Long Definition - Illinois Commerce Commission

Activity Code ‐ Long Definition

Code Description Definition Process Code Process Code (GL)

Process Description SubProcess Code SubProcess Code (GL)

SubProcess Description

Code Code (GL) Description

1299 UCP/POR Program Charge An adder to the Supplemental Customer Charges tariff. It is only applicable to customers taking service under distribution service rates DS‐1,DS‐2,DS‐3 (only for accounts with a maximum demand of less than 400 kw) and DS‐5.

SALES Z205 Sales Total SALESX Z705 SalesX Total

AAPA Affirmative Action Plans and Admin

This activity captures the costs for work associated with the regulatory requirements of Executive Order 11246, including affirmative action plan preparation and auditing, distribution of plans and defending the company during mandatory OFCCP compliance reviews.

EMP_COMP Z131 Employment Compliance EMP_COMPX Z631 Employment Compliance

ABIL ARES Billing Activities associated with generating and delivering settlement and business service invoices to an ARES. Includes posting payments received from ARES to AIBS and sending journal entries to accounting.

ARES ARES ARES Business Center ARESX Z603 ARES Business Center

ACET ARES Cust Enrollment and Tracking

This activity captures all costs associated with ARES portfolio management and maintenance of AIBS systems. ARES ARES ARES Business Center ARESX Z603 ARES Business Center

ACOS Accounting Offset Used for accounting offsets such as on Payroll Distribution (PD) journals. MISCELLANEOUS Z161 Miscellaneous Acctg Entries

MISCELLANEOUSX Z661 Misc Accounting Entries

ACPO Amortize Callaway Post Oper Costs

These are used by Corporate Accounting only. Amortization of a specific regulatory asset. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


ACSP Admin Capital Spare Parts This activity is used for the administration of the capital spare parts process. ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting ServicesADHR HR Personnel Admin Maintaining and updating all personnel records. ADMIN Z101 Administration ADMINX Z601 AdministrationADIA Admn Cost Impact Alliance To track and allocate Alliance‐related administrative costs to its alliance members, the portion of the alliance

administrative costs borne by Ameren employees.NUC8_SS Z174 Nuclear Support Services S4 S4 Provide Personnel Svcs

ADIR Inquiries and Research This is a general activity to cover labor or other costs to answer internal inquiries from or research data for another Company department. This activity does not cover responses to external data requests or inquiries from any external agency. This activity also includes accounting research. It does not include Research and Development activities.

ADMIN Z101 Administration ADMINX Z601 Administration

ADMN Administrative Support and Other

This is a general activity associated with clerical or other personnel performing general administrative tasks and clerical work when it is not feasible to charge to a more specific activity. NOT VALID AT AMS


ADMS Management and Supervision

This is a general activity associated with supervisory personnel performing general oversight and coordination of employees when it is not feasible to charge time to a single more specific activity. NOT VALID AT AMS


AFP1 Auction Ancillary Charge FP1 This activity is used for ancillary charges related to the Post 2006 auction process for product FP (first interval). FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

AFP2 Auction Ancillary Charge FP2 This activity is used for ancillary charges related to the Post 2006 auction process for product FP (second interval).

FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

AFP3 Auction Ancillary Charge FP3 This activity is used for ancillary charges related to the Post 2006 auction process for product FP (third interval). FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

AFUD AFUDC Allowance for Funds Used During Construction (AFUDC). An amount recorded by the company to represent the costs of funds used to finance Construction Work in Progress. These amounts: (1) are credited on the income statement during the construction period most commonly as an allowance for borrowed funds used during construction, which reduces the net interest charges, and as an allowance for other (i.e. equity) funds used during construction, which adds to net income, and (2) are capitalized during the construction period along with other construction costs to be recovered over the life of the plant through depreciation.

MISCELLANEOUS Z161 Miscellaneous Acctg Entries


ALFP Auction Ancillary Charge LFP This activity is used for ancillary charges related to the Post 2006 auction process for product LFP. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

AMRC Advanced Meter Refusal Charge

This activity is used for monthly charges that will be assessed to AMR/AMI customers who choose to opt out of having an automated meter. This charge is to cover our cost of manually reading the meter each month since we do not have meter readers in areas with AMR or AMI meters.


AMVT ARES Mkt Value and Transn Chrg Adm

Activities associated with determination of market value rate used for PPO and CTC calculations. Includes maintenance of Competitive Pricing System.


APAD Ash Planning and Administration

Activities required to identify opportunities to maximize earnings through ash sales and minimize ash disposal costs. Verify compliance with existing contracts and monitor performance. Major activities include planning, development of strategies and contract administration.

FUEL_MGMT Z140 Fuels Management FUEL_MGMTX Z640 Fuels Management

APCS Client Service Management The activity covers the labor and other costs to provide central stewardship of all information technology projects to ensure that the information needs for all users on the project are addressed. Also included is overall account management involving building and maintaining key user relationships through communication and managing expectations.

APP_DEV_SUP Z102 Application Develpmt and Support

APP_DEV_SUPX Z602 Application Develpmt and Support

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APDV Application Development Activities associated with planning, design, development, testing and implementation of new software applications.



APEN Application Enhancements Activities associated with the planning, design, development, testing and implementation of application enhancements or additional functionality to existing software application components for the purpose of reducing costs, improving efficiency or enhancing functionality.



APFA Ash Management ‐ FAC This activity code is to be used for all ash related costs that are eligible for inclusion in the Fuel Adjustment Clause. Revenues associated with the sale of ash, as well as ash disposal costs, are to be included in this activity code. Internal labor costs should not be used in conjunction with this activity.


APHR Application Support HR Activities associated with the planning, design, testing and implementation of Human Resource applications carried out specifically by the HR Systems section of Development HR. Also providing direct support for users on all HR date related applications and responding to requests and inquiries.



APLE Amort Property Losses, etc Charges against income to extinguish over a period of years the deferred debit accounts, Extraordinary Property Losses and Unrecovered Plant and Regulatory Study Costs, to which was charged the depreciated value of property abandoned or damaged.



APMS Application Mtce and Support

Activities associated with the planning, design, development, testing and implementation of application fixes and maintenance of existing software components. Also provide support to application users by researching, if necessary, responding to user inquiries, engaging technical experts for problem resolution and maintining application documentation.



APMT Ash Management This activity code is to be used for all ash related costs. Revenues associated with the sale of ash, as well as ash disposal costs, are to be included in this activity code. Internal labor costs should not be used in conjunction with this activity.


APSF American Payment Systems Fees

Fees paid to American Payment Systems covering Bill Stub processing, agent fees for MO & IL, handling fee for bad checks and bank bad check charges

CASH_RP Z111 Cash Remittance Processing

CASH_RPX Z611 Cash Remittance Processing

ARDB A/R Daily Balancing Activity used in daily balancing of customer accounts receivables from various payment methods. ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting ServicesAREG ARES Registration Activities associated with validating ARES' applications for doing business in Ameren's service territory. Includes

negotiating service contracts with ARES regarding credit applications, OATT agreement, tariff service agreement, trading partner EDI agreement


AREZ ARES Affiliate and Non‐Affiliate

This activity is used to track the usage for ARES affiliate and non‐affiliate IL customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

ARPR Annual Report Prep The labor, material, and outside services costs to prepare and print the Company's annual report. RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting ExternalARRC Audits and Reviews Reg

ComplianceActivities associated with scheduling, conducting, reporting, and coordinating internal audits and reviews to ensure compliance with Regulatory Policies and Procedures.

REGULATORY Z193 Regulatory REGULATORYX Z693 Regulatory

ARSS Asset Recovery Scrap and Salvage

This activity captures all tasks associated with the sale of or scrap/salvage of surplus materials and equipment. Also, includes activities related to accommodation sales.

SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

ARTP Auction Ancillary Charge RTP This activity is used for ancillary charges related to the Post 2006 auction process for product RTP. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

ASAU Asset Unitization Activities associated with labor and other resource costs to take asset transactions and create units of property for asset accounting purposes.

ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting Services

ASBR Bank Reconciliations This activity captures the resource cost of reconciling bank statements. ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting ServicesASCB Closing the Books This activity involves the labor and other costs associated with closing the books and includes but is not limited

to support of external feeder systems, filing, monthly journal vouchers, temporary facilities, salvage accounting review, maintenance of aut


ASCN Consolidations Activities related to consolidation of financial statements. ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting ServicesASCV Asset Conversion This activity covers the resource costs associated with converting assets to the standard format. ACCT_SRV Z100 Accounting Services ACCT_SRVX Z600 Accounting ServicesASDP Disbursement Processing This activity captures the resource costs associated with receiving, sorting, and processing invoices for

payment, maintaining cash voucher files, setting up and maintaining the corporate vendor file, initiating stop payments and cancellations, processing


ASDR ARES Settlement Dispute Resol

Activities associated with receiving, logging, and resolving an ARES dispute. Includes maintaining dispute status, attempts to negotiate dispute resolution, generating and delivering adjusted invoices (if necessary).


ASFA Fuel Accounting Activities capturing the resource costs associated with accounting for gas, oil, coal and nuclear fuel purchases, power purchases and sales, and fuel transportation costs.


ASMA Maintain Assets This activity includes maintaining the capitalization policy, supporting external feeder systems, electric coop trades, maintaining automated asset accounting systems, asset retirements, asset transfers, PO reviews, and all other activities associated with


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ASMP Recapture of ASM Payments MISO ASM charge for penalty. MISO_RROA Z162 MISO_RROA Related Processes

MISO_RROAX Z662 MISO_RROA Related Processes

ASPT Plant Accounting Support This activity includes providing budget and other accounting support to the business lines and the plant accounting department.


ASSA Stores Accounting Captures the labor costs associated with preparing stores price changes, stores accounting reports & MMIS reconciliation.


ASVC Ancillary Services This represents the recovery of costs incurred for the provision of ancillary services required for transmission services for retail customers taking electric supply service from the utility under real‐time pricing. These costs are recovered from the retail customer either through a demand charge (KW‐day) or a KWH charge.


ASWO Work Order and Svc Req Processing

This activity includes all resource costs associated with work order and service request processing including, support of external feeder systems, filing, maintaining automated accounting systems, AFUDC/Westinghouse credits, temporary WO transfers, service


AUTO Automation This activity will be used to track a centralized approach for enterprise adoption of Robotic Process Automation, RPA, and other automation technologies across teams and business lines. Including the development and providing best practices for implementation, governance, change‐management, standardization of tools and training, and performance measurements. Ensure consistent standards are set and enforced, methods are defined and followed, the maximum value of automation tools are delivered across the company, and automation goals are achieved. Assess all automation opportunities presented and prioritize implementation of use cases to align with our business needs and strategy.

BUS_STRPLN Z109 Business and Strategic Planning

BUS_STRPLNX Z609 Business and Strategic Planning

AVBU Average Base Uncollectible This activity will be used to accumulate the "included in rates" delivery service portion of customer bills for the uncollectibles riders.


AVIN Avian Protection All activities associated with retrofitting exiting overhead faciities to protect against potential avian contact or to correct existing overhead protection when an avian kill has occurred. Common activities include installing animal guards, replacing bare ground wire, installing cover on primary, replacing bare jumpers, etc.

TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

B106 FAS 106 Expense Expense incurred for post retirement medical expense as required by FAS 106. BEN_MGMT Z107 Benefits Cost Management

BEN_MGMTX Z607 Benefits Cost Management

B112 FAS 112 Expense This activity is to specifically capture the expenses recorded for items such as COBRA costs or post‐employment employee long and short‐term disability expenses for persons who are not direct employees such as retirees,ex‐spouses, etc.

BEN_MGMT Z107 Benefits Cost Management


B401 401(K) and ESOP Plan Admin Activities associated with employee time, expenses and administrative costs related to the Company's 401(k) and Employee Stock Ownership (ESOP) Plans.



BACO Advertising Community This activity includes the labor, expenses, and outside consultant fees for advertising costs associated with involving the Company in the community for the betterment of the community and the economic well‐being of the Company.

BRAND Z108 Brand Awareness and Loyalty

BRANDX Z608 Brand Awareness and Loyalty

BACS Customer Surveys This activity captures all tasks associated with the administration, development, monitoring, and implementation of Company customer surveys.



BADI Advertising Direct This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising using direct mailing to promote Company as a provider of energy or Company's territory as a place to locate new industry.



BAED Advertising Economic Develop

This activity includes the labor, expenses, and outside consultant fees associated with the creation and placement of advertising promoting the Ameren Economic Development team and their products/services.



BANE Advertising Newspaper This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising using newspaper media to promote Company as a provider of energy or Company's territory as a place to locate new industry.



BAOT Advertising Other This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising when it is not feasible to charge to a single more specific activity.



BAOU Advertising Outdoor This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising using billboards, signs, bus placquards, etc.



BAPD Advertising Phone Directory This activity captures the labor, expenses, and outside consultant fees associated with the creation of advertising within the yellow pages of the telephone directory to promote the Company as a provider of energy or Company's territory as a place to locate new industry.



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BAPG Promotions Grants This activity captures labor, administrative costs and grant monies for community betterment grant programs sponsored by Corporate Communications in AmerenUE and AmereCIPS service territories.



BAPN Advertising Public Notice This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising for mandated posting of public notices throughout the Ameren service territory.



BARA Advertising Radio This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising using radio media to promote Company as a provider of energy or Company's territory as a place to locate new industry.



BASA Advertising Safety This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising for Public Service Commission mandated awareness advertising.



BASV Promotions Sport Venues This activity captures the labor and costs related to AmerenUE/AmerenCIPS signage and event sponsorship within professional sport venues in our service territories.



BATV Advertising TV This activity includes the labor, expenses, and outside consultant fees associated with the creation of advertising using television media to promote Company as a provider of energy or Company's territory as a place to locate new industry.



BBPS Corp Business Planning Support

Activities associated with analysis, evaluation, research or document preparation necessary to support members of Company's Strategy Committee for the purpose of making strategic decisions.



BCAS Benefits Actuarial and Cons Service

This activity captures all costs associated with designing , implementing and monitoring employee benefits including internal labor costs and external consulting, actuarial consulting and compliance review.



BCII Competitive and Industry Intelligence

This activity captures labor and other costs to gather and analyze utility and energy industry intelligence related to competitive costs, pricing, product and service offerings etc.



BCNG Benefits CNG Vehicle Incentive Program

This activity captures all costs associated with the CNG (Compressed Natural Gas) Vehicle Incentive Program. BEN_MGMT Z107 Benefits Cost Management


BCPS Business and Corporate Services Planning and Support

Activities associated with the planning, analysis and consultation to B&CS leadership. BUS_STRPLN Z109 Business and Strategic Planning


BCRM Business and Corporate Risk Mgmt

This activity is used to capture the expense of employees performing tasks to implement and maintain a business and corporate risk management process.



BDIA Disability Insurance and Admin

This activity captures all costs associated with providing disability insurance benefits to employees including labor, employee expenses, contractors etc along with the actual insurance cost.



BDTC Disruptive Technologies This activity captures all costs related to the development of the Disruptive Technology strategy and execution plan to incorporate Distributed Generation into our regulated business model.



BDVC Benefits Dental Vision Contr This activity captures all costs associated with providing dental and vision insurance benefits to contract employees including employee expenses, contractors, etc. along with the actual insurance cost.



BDVI Dental Vision Insurance and Admin

This activity captures all labor costs associated with providing dental and vision insurance benefits to employees.



BDVM Benefits Dental Vision Mgmt This activity captures all costs, excluding labor, associated with providing dental and vision insurance benefits to management employees, including employee expenses, contractors, etc. along with the actual insurance cost.



BEAP Employee Assistance Program

Track costs associated with providing Employee Assistance Program BEN_MGMT Z107 Benefits Cost Management


BECA Economic Analysis Activities associated with the economic analysis and evaluations typically used to examine costs, revenues and/or quality characteristics associated with products, processes, materials, supplies, and services, or to examine the financial ramifications.



BEHR HR Policy Development The development, recommendation and implementation of various policies and programs which define the time off provisions and or flexible work life programs for the management/salaried workforce. This activity also captures governance over all relevant HR‐related policies, including serving in an advisory role for policy decisions, including but not limited to policy enforcement as required by regulatory agencies.

BEN_ADMIN Z106 Benefits Administration BEN_ADMINX Z606 Benefits Administration

BERB Relocation Benefit Admin This activity captures all administrative tasks associated with employee time, expenses or other costs related to the movement of employees either currently employed or as a condition of employment.


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BFSA FSA Administration This activity captures labor, employee expenses and other costs associated with administering the Company's Flexible Spending Account (FSA) benefits.



BG3A Chargeoff/Recovery BGS 3A Activity to track any chargeoff/recovery on revenue billed as BG3A (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


BG3B Chargeoff/Recovery BGS 3B Activity to track any chargeoff/recovery on revenue billed as BG3B (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


BGS1 Chargeoff/Recovery BGS 1 Activity to track any chargeoff/recovery on revenue billed as BGS1 (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries








BLDF Load Forecasting Activities associated with load forecasting including model development and usage costs of any computer‐based planning models and tools, preparation and analysis of price forecasts, econometric models.



BLDR Load Research Activities associated with Load Research for the purpose of rate cases, data for reports, marketing, and the State regulatory commissions.



BLIA Life Insurance and Admin This activity captures all costs associated with providing life insurance benefits to employees including labor, employee expenses, contractors etc along with the actual insurance cost.



BLRD Bl Comp and Pm Design Mgmt

All activities associated with the design, development and ongoing management of business‐line level compensation, performance management and recognition programs.

COMP_ADMIN Z115 Compensation Admin COMP_ADMINX Z615 Compensation Admin

BLSD Bus Line Scorecard Dev and Admin

This activity involves the labor and other costs to develop and administer business line performance scorecards including but not limited to gathering both financial and non‐financial data in order to make KPI calculations, distribution and/or reporting o

PERF_MGMT Z187 Performance Management

PERF_MGMTX Z687 Performance Management

BMAA M and A Analysis Activities associated with the strategic, financial, valuation, dilution, cost of capital, and specialized analyses for potential merger and acquisition candidates.



BMAI Merger and Acquisition Integration

Mergers & Acquisition Integration BUS_STRPLN Z109 Business and Strategic Planning


BMIA Medical Insurance and Admin

This activity captures all labor costs associated with providing medical insurance benefits to employees. BEN_MGMT Z107 Benefits Cost Management


BMIC Benefits Medical Insurance Contribution

This activity captures all costs associated with providing medical insurance benefits to contract employees including employee expenses, contractors, etc. along with actual insurance cost.



BMIM Benefits Medical Insurance Mgmt

This activity captures all costs associated with providing medical insurance benefits to management employees, including employee expenses, contractors, etc. along with the actual insurance cost.



BNQP Non Qualified Plan Admin This activity captures all costs associated with providing non‐qualified plans such as deferred compensation and supplemental pension benefits to employees including labor, employee expenses, contractors etc along with the actual benefit costs.



BOSS Business Operations System Support

Activities associated with the support of non‐traditional IT systems and systems that are used exclusively by a business line and are unique to Ameren or a utility company. They are systems that would not typically be used in just any business, like banking or medicine. These include wireless data services. Examples include: ESO and DDOS terminals, control servers and PCs on a plant network, generation specific systems, PI, ABB Expert Advisor, sootblowing system, BHA/Forrey systems, EtaPRO, Smart Signal, Emonitor, ash systems, Kepware, EDAS, Remote Diag, and business line specific applications ‐ EMPRV, Bolts, Zainet.

COMP_OM Z116 Computer Operations and Mgmt

COMP_OMX Z616 Computer Operations and Mgmt

BOTI Benefit and Other Trust Inv Support

Activities associated with monitoring and investment management of benefit funds such as Pension, 401(k), Post‐Retirement and Active Medical, Dental, and others. Also includes Investment and Trust support for the Nuclear Decommission Trust and Investment

INV_MGMT Z148 Investment Management INV_MGMTX Z648 Investment Management

BPAD Benefit Plan Administration The labor costs associated with planning and administration of the Company's non‐pension benefit plans. BEN_MGMT Z107 Benefits Cost Management


BPCO Benefit Plan Compliance The labor costs and other resource costs associated with review and analysis of the Company's benefit plans to ensure compliance with state or federal regulations.



BPEV Benefits Plug‐in Electric Vehicles

This activity captures all costs associated with the Plug‐in Electric Vehicle Incentive Program. BEN_MGMT Z107 Benefits Cost Management


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BPPA Pension Plan Admin bobpp BEN_MGMT Z107 Benefits Cost Management


BQDR QDRO Administration This activity captures labor, employee expenses and other costs associated with administering Qualified Domestic Relations Orders.



BRSP Resource Planning Activities associated with the analysis of generating units, power sale proposals, pump storage, physical assets and purchase of power.



BSCM Cash Management This is a general activity associated with the disbursement/receipt/transfer of funds, maintenance, analysis, forecasting, and daily/monthly reporting of eight companies' cash positions as well as maintenance and reconciliation of the companies' bank accounts

BANK_SRV Z105 Banking Services BANK_SRVX Z605 Banking Services

BSO2 SO2 Allowance Trading Activities associated with buying, selling, and banking of emission allowances on a least cost basis in conjunction with the fuel procurement process.


BSPR Banking Payment and Receipt Process

This activity includes but is not limited to check preparation/distribution, preparation of bank deposits, Form 7's and Form 1353s, stop payments, cash‐in‐transit, and reconciliation with Accounts Payable.

BANK_SRV Z105 Banking Services BANK_SRVX Z605 Banking Services

BSPS Special Studies Activities associated with projects and programs specific to one or more functions, where there is a need to identify and track related time and expenses. This activity requires user definition as appropriate.



BSSI Strategic Sourcing Initiatives Activity to track the costs and the savings related to the Strategic Sourcing Initiatives. BUS_STRPLN Z109 Business and Strategic Planning


BSTP Strategic Planning This activity includes corporate joint strategic planning with Ameren business lines to align corporate strategy with business line goals and objectives and to identify global resource requirements to meet this goals and objectives.



BTRK Pensions and OPEB Tracker and Amortization

Activity to track the Pensions and OPEB tracker and amortization starting 1/1/2015. BEN_MGMT Z107 Benefits Cost Management


BUNM Unemployment Administration

Work related to the administration of employee unemployment claims. BEN_MGMT Z107 Benefits Cost Management


BUPE Backup Power Energy Charge Cost of energy for Backup Power customers with generation of 5MW or more. SALES Z205 Sales Total SALESX Z705 SalesX Total

BWEB Benefits Web Enrollment This activity captures the costs associated with the ongoing administration of benefit plans including internal labor costs and external Third Party Administration contracts.



BWEL Wellness Programs This activity will collect charges related to the Ameren Wellness Programs. BEN_MGMT Z107 Benefits Cost Management


C1SS Cfg Ctrl All General Stn Support

All activities associated with the maintenance of the configuration control process. This includes all processes required to ensure that any alteration of the plant operational configuration, design configuration or design basis is documented and maintained through construction and operation, until decommissioning. Configuration control ensures that information, including design requirements, final safety analysis reports, inspection records, as‐built data, and unit specific differences are uniquely identified, accessible, and controlled so that a paper trail may be followed when trying to understand previous decisions or changes. Configuration control is also a mechanism to document non‐conforming issues and the disposition of those issues for STATION SUPPORT ‐ NUC.

NUC4_CC Z168 Nuclear Configuration Control

C1 C1 Provide Configuration Control

C2A6 Des Chng All Turbine Gen System

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for TURBINE GENERATOR ‐ NUC.


C2 C2 Provide Design Changes

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C2A7 Des Chng All Main and Aux Steam

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for MAIN & AUXILIARY STEAM ‐ NUC.



C2A8 Des Chng All Feedwater Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for FEEDWATER ‐ NUC.



C2A9 Des Chng All Condensate Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for CONDENSATE ‐ NUC.



C2B9 Des Chng All Cvcs Systems All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for CHEMICAL & VOLUME CONTROL ‐ NUC.



C2BB Des Chng Reactor Coolant All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for REACTOR COOLANT ‐ NUC.



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C2D9 Des Chng All Circ Water Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for CIRCULATING WATER ‐ NUC.



C2E9 Des Chng All Accessory Elec Equip

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for ACCESSORY ELECTRIC EQUIPMENT ‐ NUC.



C2EA Des Chng Service Water All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for SERVICE WATER ‐ NUC.



C2EB Des Chng Closed Cooling Water

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for CLOSED COOLING WATER ‐ NUC.



C2EC Des Chng Fuel Pool Cooling and Cleanup

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for FUEL POOL COOLING AND CLEANUP ‐ NUC.



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C2EF Des Chng Essential Serv Water

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for ESSENTIAL SERVICE WATER ‐ NUC.



C2EG Des Chng Comp Cooling Water

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for COMPONENT COOLING WATER ‐ NUC.



C2EJ Des Chng Residual Heat Removal

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for RESIDUAL HEAT REMOVAL ‐ NUC.



C2EN Des Chng Containment Spray All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for CONTAINMENT SPRAY ‐ NUC.



C2EP Des Chng Safety Injection All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for ACCUMULATOR SAFETY INJECTION ‐ NUC.



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C2G9 Des Chng All HVAC Systems All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for HEATING, VENTILATION, AIR CONDITIONING ‐ NUC.



C2IS Des Chng Training Simulator All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for TRAINING CENTER SIMULATOR ‐ NUC.



C2K8 Des Chng All Fire Protection Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for FIRE PROTECTION ‐ NUC.



C2K9 Des Chng All Air and Gas Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for AIR & GAS SYSTEMS ‐ NUC.



C2M8 Des Chng All Switchyard, Sub Equip

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for SWITCHYARD AND SUBSTATION ‐ NUC.



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C2M9 Des Chng All Misc Plant Equip

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for MISCELLANEOUS NUCLEAR PLANT ‐ NUC.



C2N9 Des Chng All Emerg D G Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for EMERGENCY DIESEL GENERATOR ‐ NUC.



C2R9 Des Chng All Accessory Rpv Equip

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for ACCESSORY REACTOR EQUIPMENT ‐ NUC.



C2S9 Des Chng All Nuclear I and C Systems

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for NUCLEAR INSTRUMENTATION & CONTROL ‐ NUC.



C2SS For All General Station Support

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for STRUCTURES, BUILDINGS & GROUNDS ‐ NUC.



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C2U9 Des Chng All Misc Bldgs and Grounds

All activities associated with the development of design changes. This includes all processes required to ensure that all design changes are justified based on the value added to safety, plant reliability, and efficiency. Also included are all processes to control plant design configuration alterations while maintaining the plant within approved design bases. Additional tasks such as providing alternate replacement items, modifications, setpoint changes, temporary plant alterations, and minor physical changes are included. Developing new or modifying existing documents based on project requirements may include design analysis, calculations, drawings, instructions, etc. Design changes also include the planning, identifying, tracking and reconciliation of documents and procedures needing revision as a result of a change in design or specification for STRUCTURES, BUILDINGS & GROUNDS ‐ NUC.



C3SS Dsgn Bas All Gen Stn Support All activities associated with the provisions required for design basis changes. Including all processes required to ensure that the design bases are supplemented by, and make reference to, design codes, standards and conventions, engineering analysis, federal, state, or local requirements. All of these tasks must be performed in addition to those tasks mentioned in CC002 for STATION SUPPORT ‐ NUC.


C3 C3 Provide Design Basis Chgs

C4SS Fuel Mgmt All Gen Stn Support

All activities associated with the provisions required for fuel management services. This includes developing core designs, providing safety analysis calculations and support, monitoring fuel performance, providing strategies for reactivity management, maintaining the tools (computer programs and hardware) used to support the described tasks. Also included in this action are all tasks associated with monitoring and analyzing the fuel market for STATION SUPPORT ‐ NUC.


C4 C4 Provide Fuel Mgmt Services

C5ND Decom Planning for Nuclear Decom

All activities associated with the provisions required for a decommissioning plan of any station or plant for NUCLEAR DECOMMISSIONING.


C5 C5 Perf Decommissioning Planning

C5SS Decom Planning All Gen Stn Support

All activities associated with the provisions required for a decommissioning plan of any station or plant ‐‐ for All General Station Support


C5 C5 Perf Decommissioning Planning

CACT Career Transition Programs Arrange, schedule and implement Outplacement Services for employees on a case basis as required to meet employee transition needs as a result of corporate downsizing or reorganization.


CAFA Coal Additives Management ‐ FAC

This activity code is to be used for Limestone, Urea, Activated Carbon and other additives to the coal burning process that are eligible for inclusion in the Fuel Adjustment Clause. Costs that are to be included in this activity are the cost of the commodity, as well as the transportation, processing and hedging costs associated with the commodity. Internal labor costs should not be used in conjunction with this activity.


CAFP Coal and Alt Fuels Procurement

Activities required to procure fuel (coal and alternate fuels excluding pet coke and oil) and feedstock for the plants. Major activities include contract negotiation and RFP's.


CAHS Mtce Corr for Air Heating All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AIR HEATING.

WM_GEN Z241 Work Management Gen AHS AHS Air Heating System

CAIP Incentive Plan Design and Admin

The design, development and ongoing management of corporate compensation, performance management and/or recognition programs.


CAIS Air Inlet System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Air Inlet System. This includes all tasks associated with emergent work for the Air Inlet System.

WM_CTG Z239 Work Management Ctg CTG CTG Combustion Turbine Generator

CAMG Construction Audit This activity records the time and expense required to provide the construction audit function for the business lines. This service includes reviewing invoices, processing retentions, applying accounting in API and working with various people to resolve related issues.


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CAMT Coal Additives Management This activity code is to be used for Limestone, Urea, Activated Carbon and other additives to the coal burning process including the cost of the commodity, as well as the transportation, processing and hedging costs. Internal labor costs should not be used in conjunction with this activity.


CAPA Coal and Alt Fuels Planning and Admin

Activities required to identify fuel (coal and alternate fuels excluding pet coke and oil) needs for the plants and verify compliance with existing contracts and monitor performance. Major activities include fuel planning and contract administration.


CAPS Mtce Corr for Ash Pond System

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for ASH POND SYSTEM.

WM_GEN Z241 Work Management Gen APS APS Ash Pond System

CAPY Payroll Admin Captures the labor costs related to payroll accounting (deduction reconciliation, file maintenance, administration of outside payroll processing, and payroll taxes), and employee non‐productive time.


CASA Salary Analysis All analysis and reporting activities designed to support management decision making. Includes the reporting associated with core compensation programs (EPB, Tech Path, etc,), ad‐hoc requests from leadership, senior‐level summary reports provided to senior leadership and regulatory data requests.


CASC Special Compensation Adminstration of the systems and processes involved in the corporate annual merit and incentive cycle. Includes all planning, communication and consulting activities completed as part of the pay and performance process. Also covers planning meetings, merit budget development, performance appraisal preparation, the development of communication materials, consultation with leadership and administration of the ePrism and MeritNet Compensation system, etc.


CASD Salary Determination Management of Ameren's overall compensation structure and salary administration including decisions regarding offer packages, promotional increases and market rates.


CATA Commercial and Transmission Analysis

No definition supplied. BUS_STRPLN Z109 Business and Strategic Planning


CAXB Mtce Corr for Auxiliary Boiler All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AUXILIARY BOILER.

WM_GEN Z241 Work Management Gen AXB AXB Auxiliary Boiler

CAXS Mtce Corr for Auxiliary Steam All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AUXILIARY STEAM.

WM_GEN Z241 Work Management Gen AXS AXS Auxiliary Steam

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CBAR Mtce Corr for Bottom Ash Removal

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOTTOM ASH REMOVAL.

WM_GEN Z241 Work Management Gen BAR BAR Bottom Ash Removal

CBCC Mtce Corr for Boiler Chemical Cleaning

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CHEMICAL CLNG.

WM_GEN Z241 Work Management Gen BCC BCC Boiler Chemical Cleaning

CBCF Mtce Corr for Boiler Chemical Fd

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CHEMICAL FEED AND SAMPLE.

WM_GEN Z241 Work Management Gen BCF BCF Boiler Chemical Feed and Sample

CBCW Mtce Corr for Boiler Circ Water

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CIRC WATER.

WM_GEN Z241 Work Management Gen BCW BCW Boiler Circ Water

CBDR Commodity Settlements Activities associated with all customer system activities surrounding the deregulated sales accounts. To include maintaining, billing, printing and mailing of bills to customers of deregulated sales.

CUST_BILL Z122 Customer Billing CUST_BILLX Z622 Customer Billing

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CBDS Mtce Corr for Boiler Dft System

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER DRAFT SYSTEM.

WM_GEN Z241 Work Management Gen BDS BDS Boiler Draft System

CBFW Mtce Corr for Boiler Feedwater

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER FEEDWATER.

WM_GEN Z241 Work Management Gen BFW BFW Boiler Feedwater

CBLC Billing Lg Commercial and Industrial

Activities associated with all customer system activities surrounding the LCI sales accounts. To include maintaining, billing, printing and mailing of bills to customers of LCI sales.


CBLK Blackberry Support Activities associated with Blackberry support. COMP_OM Z116 Computer Operations and Mgmt


CBLR Mtce Corr for Boiler All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER.

WM_GEN Z241 Work Management Gen BLR BLR Boiler

CBMC Billing Misc Activities associated with manual or special preparation of customer bills which includes certain types of special billing. To include "charge back's", "mutual assistance" and "miscellaneous ledger" billings.


CBME Mtce Corr for Boat and Marine Equip

Corrective Mtce for BOATS & MARINE EQUIPMENT. This activity is used to maintain a fleet of pontoon boats and trailers for our mosquito spraying operation each summer. This includes engine purchase and repair, and boat/trailer purchase and repair.

WM_GEN Z241 Work Management Gen BME BME Boats and Marine Equipment

CBMV Mv90 System Support Activities associated the operation and support of MV90 system interface with CSS and any other electronic billing system used by the Company.


CBRS Billing Residential and Sm Commercial

Activities associated with all customer system activities surrounding the residential and small commercial sales accounts. To include maintaining, billing, printing and mailing of bills to customers of residential and small commercial sales.


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CBSB Mtce Corr for Boiler Startup Bypass

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER STARTUP AND BYPASS.

WM_GEN Z241 Work Management Gen BSB BSB Boiler Startup and Bypass

CBSS Billing Supervision and Support

Administrative activities associated with supervising and supporting Customer Accounts and all billing‐related functions. To include supervision, management, evaluations, projects, studies, performance management and meetings.


CBUR Billing Unregulated Printing bills and sending them to the customers for unregulated sales. This includes inserting, calculating, sequencing, and verifying the bills.


CBYS Mtce Corr for Bldg Yard Structure

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BUILDINGS, YARDS AND STRUCTURES.

WM_GEN Z241 Work Management Gen BYS BYS Buildings, Yards and Structures

CCAC Critical Cyber Asset Costs To track North American Reliability Council (NERC) Cyber Security Standard compliance costs. COMP_OM Z116 Computer Operations and Mgmt


CCAS Mtce Corr for Compressed Air

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMPRESSED AIR.

WM_GEN Z241 Work Management Gen CAS CAS Compressed Air System

CCBI Customer and Billing Inquiry Activities associated with receiving and resolving a customer inquiry for billing or any other purpose. Inquiries can be in person, by phone or by written correspondence for any class of customer including wholesale customers.

CUST_CONT Z123 Customer Contact CUST_CONTX Z623 Customer Contact

CCBT CBT Training Development Activities associated with developing computer‐based training programs such as CD ROMs and other interactive type media.

COMM_SRV Z114 Communications Services COMM_SRVX Z614 Communications Services

CCCI Reg Compliance ISRS CI Replace Con

Construction activities required to ensure compliance with various regulatory codes that are ISRS qualified. TD_REG_COMP Z222 T and D Regulatory Compliance

TD_REG_COMPX Z722 T and D Regulatory Compliance

CCCM Contribution and Membership Admin

The labor and other resource costs associated with planning and administration of the Company's contribution program, including donations for charitable, civic, or community welfare purposes. This activity also includes membership administration.

CORP_COMM_SVC Z119 Corp Communications Svcs Misc

CORP_COMM_SVCX Z619 Corp Communications Svcs Misc

CCCO Reg Compliance Construct Construction activities required to ensure compliance with various regulatory codes. TD_REG_COMP Z222 T and D Regulatory Compliance


CCCP Reg Compliance Cathodic Pro Cathodic protection activities done as part of a regulatory compliance program. TD_REG_COMP Z222 T and D Regulatory Compliance


CCCR Community Relations All actions associated with involving the company in the community for the betterment of the community and the economic well‐being of the company (includes visitor center and public communications).



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CCDC Customer Care ‐ Digital Channels

Activities related to responding/assisting customers with their inquiries, complaints and requests through digital channels. Digital channels would include social media, eCustomer, e‐mail, website support, Chat, IVR, alerts and mobile applications.

CUST_CONT Z123 Customer Contact CUST_CONTX Z623 Customer Contact

CCEC Employee Communications This activity captures all tasks associated with the administration, development, monitoring, and distribution of internal and external employee communication instruments.



CCEP Education Programs The expenses of providing education programs to Company's customers and others in the community. CORP_COMM_SVC Z119 Corp Communications Svcs Misc


CCES Call Center Engineering Support

This activity involves evaluation of call center options, telecom systems design, definition of technical specifications, and daily support of call center system operations.

CALL_CTR_TLCM Z110 Call Centers Telecom CALL_CTR_TLCMX Z610 Call Centers Telecom

CCFS Mtce Corr for Cyclone Fuel All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CYCLONE FUEL.

WM_GEN Z241 Work Management Gen CFS CFS Cyclone Fuel System

CCH1 Cust Chg IP Seasonal Tier 1 No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total



CCHO Cust Chg Daily Use>10,000 No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalCCHP Mtce Corr for Coal Handling All activities directly related to the repair, restoration, or rework of structures, systems, components or

equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PLANT COAL HANDLING.

WM_GEN Z241 Work Management Gen CHP CHP Plant Coal Handling

CCHS Call Center Home Agent Support

This activity involves evaluation of Home Agent options, telecom systems design, and definition of high level and detailed technical specifications.


CCHU Cust Chg Daily Use<10,000 No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalCCIP Reg Compliance Inspect Inspections required to comply with regulatory programs. TD_REG_COMP Z222 T and D Regulatory

ComplianceTD_REG_COMPX Z722 T and D Regulatory

ComplianceCCIS Reg Compliance CI Service

ReplaceCast iron service replacements done to comply with regulatory requirements. TD_REG_COMP Z222 T and D Regulatory


ComplianceCCLA Library Administration This activity captures the cost of tasks and expenses associated with administering the cost of library services,

news, subscriptions, periodicals, and books.CORP_COMM_SVC Z119 Corp Communications

Svcs MiscCORP_COMM_SVCX Z619 Corp Communications

Svcs MiscCCLE Lobbying Expenses Expenditures for the purpose of influencing public opinion with respect to elections, legislation or influencing

the decisions of public officials.CORP_COMM_SVC Z119 Corp Communications

Svcs MiscCORP_COMM_SVCX Z619 Corp Communications

Svcs MiscCCLS Reg Compliance Leak Survey Gas leak surveys performed as required for regulatory compliance. TD_REG_COMP Z222 T and D Regulatory


ComplianceCCMC CTI/VRU Applications Mtce Work performed on the CTI/VRU system to either prevent failure or to restore the system to operation after a

failure has occurred.CALL_CTR_TLCM Z110 Call Centers Telecom CALL_CTR_TLCMX Z610 Call Centers Telecom

CCMR Reg Compliance Other Mn Replace

Gas main replacements done on other than cast iron mains as part of regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


CCMU Call Center Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading call center telephone equipment.


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CCOD Reg Compliance Odorization Activities associated with the odorization of gas. TD_REG_COMP Z222 T and D Regulatory Compliance


CCOM Mtce Corr for Communications

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMMUNICATIONS.

WM_GEN Z241 Work Management Gen COM COM Communications

CCON Mtce Corr for Condensesr and Aux

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CONDENSER AND AUXILIARIES.

WM_GEN Z241 Work Management Gen CON CON Condenser and Auxiliaries

CCOS Control Oil System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Control Oil System. This includes all tasks associated wiht emergent work for the Control Oil System.


CCPA Reg Compliance Patrolling Patrolling of the gas/electric system required for regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


CCPC Contracted Capacity Charge New

Unbundled charge assessed to Rider RTP‐L customers to recover the cost of securing capacity to serve these customers. The charge is based on customer's on‐peak KW‐day demand. The charge is also applied to Rider RTP customers.


CCPH Photography This activity includes the labor, expenses, and outside consultant fees associated with photography for insurance claims, newsletters, employee portraits, public relations coverage, etc.



CCPI Reg Compliance Pipeline Integ

Pipeline integrity inspections and maintenance‐This activity includes all labor and materials for completing the pipeline integrity management requirements including close interval surveys, smart pigging, consulting services, direct assessments, identification of high consequence areas, transmission mapping and all maintenance activities performed as a result of the pipeline integrity management requirements.

TD_REG_COMP Z222 T and D Regulatory Compliance


CCPR Public Relations All actions associated with involving the company in gaining publicity through the media. CORP_COMM_SVC Z119 Corp Communications Svcs Misc


CCPV Reg Compliance Pvc Replace Gas main replacements done on PVC mains as part of regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


CCRB Capacity Cost Reimbursement

Take‐or‐pay type charge for customers leaving RTP‐L service before the end of the Capacity Obligation Period (4 summer months unless advance notice provided and each non summer month.)


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CCRC Mtce Corr for Coal Reclaim All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COAL RECLAIM.

WM_GEN Z241 Work Management Gen CRC CRC Coal Reclaim

CCRI Reg Compliance Regulatory Insp

Activities associated with regulator station inspections required for regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


CCRP Reg Compliance Routine Repair

Non‐emergency equipment repairs made as part of a regulatory compliance program. TD_REG_COMP Z222 T and D Regulatory Compliance


CCRR Reg Compliance Regulator Replace

Gas regulator replacements done to comply with regulatory requirements. TD_REG_COMP Z222 T and D Regulatory Compliance


CCRS Mtce Corr for Coal Receiving All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COAL RECEIVING.

WM_GEN Z241 Work Management Gen CRS CRS Coal Receiving System

CCSM Call Center Software Mtce Work performed on the software associated with the call center system to either prevent failure or to restore the system to operation after a failure has occurred.


CCSR Reg Compliance Steel Svc Replace

Gas service piping replacements done to comply with regulatory requirements. TD_REG_COMP Z222 T and D Regulatory Compliance


CCTG Mtce Corr for Ct Gen All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMBUSTION TURBINE GENERATOR.


CCTT Reg Compliance Vegetation Control

Tree trimming/vegetation control associated with work required for regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


CCVS Reg Compliance Valve Survey Activities associated with valve inspections required for regulatory compliance. TD_REG_COMP Z222 T and D Regulatory Compliance


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CCWS Mtce Corr for Circ Water Gen All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CIRCULATING WATER.

WM_GEN Z241 Work Management Gen CWS CWS Circulating Water System

CCWW Comp Water Wash System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Comp Water Wash System. This includes all tasks associated wiht emergent work for the Comp Water Wash System.


CDB2 DB2 Database Administration Activities associated with maintaining the physical database structure of the DB2 Enterprise. Includes database definition, performance monitoring and tuning, backup/recovery environment and procedures, reorganizations, data refresh upon request, capacity planning and reporting.



CDEM Mtce Corr for Demin All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for DEMINERALIZER.

WM_GEN Z241 Work Management Gen DEM DEM Demineralizer

CEAC Clean Energy Assistance Charge

Clean Energy Assistance Charge represents the costs and collections under Rider CEAC to recover the costs of zero emission credits associated with zero emission facilities.


CEGS Mtce Corr for Emergency Generator

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for EMERGENCY / LETDOWN GENERATOR.

WM_GEN Z241 Work Management Gen EGS EGS Emergency and Letdown Generator System

CELV Mtce Corr for Elev, Cranes and Hoists

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for ELEVATORS, CRANES AND HOISTS.

WM_GEN Z241 Work Management Gen ELV ELV Elevators, Cranes and Hoists

CEMA Enterprise Middleware Admin

Activities associated with maintaining the Enterprise Middleware infrastructure. Includes definitions, performance monitoring and tuning, backup/recovery environment and procedures, capacity planning and reporting.



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CEPC Cep Credit Adjustment This is for Rider CEP ‐ Customer Elect Plan where we are giving customers a cents/kWH credit during the 3 year accrual period and then seeking repayment during a subsequent 3 year repayment period.


CEXS Mtce Corr for Extraction Steam

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for EXTRACTION STEAM.

WM_GEN Z241 Work Management Gen EXS EXS Extraction Steam

CFAR Mtce Corr for Flyash Removal All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLYASH REMOVAL.

WM_GEN Z241 Work Management Gen FAR FAR Flyash Removal

CFCS Mtce Corr for Flood Control Sys

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLOOD CONTROL SYSTEM‐GENERAL.

WM_GEN Z241 Work Management Gen FCS FCS Flood Control System General

CFGC Mtce Corr for Flue Gas Conditioning

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLUE GAS CONDITIONING.

WM_GEN Z241 Work Management Gen FGC FGC Flue Gas Conditioning

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CFGD Mtce Corr for Fuel Gas Delivery

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FUEL GAS DELIVERY SYSTEMS.

WM_GEN Z241 Work Management Gen FGD FGD Fuel Gas Delivery Systems

CFMO Corp Forecasting and Modeling

Activities involved with corporate financial modeling and forecasting. PERF_MGMT Z187 Performance Management


CFOS Fuel Oil System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Fuel Oil System. This includes all tasks associated with emergent work for the Fuel Oil System.


CFP1 FP Capacity Charges No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


CFPS Mtce Corr for Fire Protection Gen

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FIRE PROTECTION.

WM_GEN Z241 Work Management Gen FPS FPS Fire Protection System

CGAR Audits and Reviews Activities associated with scheduling, conducting, reporting, and coordinating audits and reviews to ensure compliance with corporate policies and effective operations. This includes operational and capital project reviews.

AUDIT Z104 Auditing Services AUDITX Z604 Auditing Services

CGCE Mtce Corr for Governor Cntl Equip

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GOVERNOR CONTROL EQUIPMENT.

WM_GEN Z241 Work Management Gen GCE GCE Governor Control Equipment

CGEN Mtce Corr for Main Generator

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for MAIN GENERATOR.

WM_GEN Z241 Work Management Gen GEN GEN Main Generator

CGFS Mtce Corr for Gas Fuel System

Corrective Mtce for the Gas Fuel System which is composed of equipment that provides fuel to the "Combustion Turbine Assembly" (CTG) and the "Heat Recovery Steam Generator" (HRSG).

WM_GEN Z241 Work Management Gen GFS GFS Gas Fuel System

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CGIB Mtce Corr for Instr and Ctrl Boiler

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for INSTRUMENTS & CONTROLS ‐ BOILER.

WM_GEN Z241 Work Management Gen GIB GIB Instrument and Controls Boiler

CGIC Mtce Corr for Gen Instr and Ctrl

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GENERAL INSTRUMENT AND CONTROLS.

WM_GEN Z241 Work Management Gen GIC GIC General Instrument and Controls

CGIE Mtce Corr for Instr and Ctrl Electrical

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests & submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for INSTRUMNT & CONTRLS‐ELECTRICAL.

WM_GEN Z241 Work Management Gen GIE GIE Instrument and Controls Electrical

CHGT Mtce Corr for Turbine Generator

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for TURBINE GENERATOR‐GENERAL.

WM_GEN Z241 Work Management Gen HGT HGT Turbine Generator General

CHRG Mtce Corr for Heat Recov Steam

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HEAT RECOVERY STEAM GENERATOR.

WM_GEN Z241 Work Management Gen HRG HRG Heat Recovery Steam Generator

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CHVA Mtce Corr for HVAC Gen All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HEATING, VENTILATION AND A/C.

WM_GEN Z241 Work Management Gen HVA HVA Heating, Ventilation and A/C

CHYD Mtce Corr for Hydro Plant All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also, includes quality control activities such as, ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HYDRO PLANT.

WM_GEN Z241 Work Management Gen HYD HYD Hydro Plant

CIAC Cont in Aid of Construction This activity is used to track contributions in aid of construction. CONT_AID_CON Z117 Cont. in Aid of Construction

CONT_AID_CONX Z617 Cont. in Aid of Construction

CISD Climate Change This activity is used to track development of coalitions, development of strategies to inform and impact climate legislation and regulation and coordinate development of strategies to implement and comply with federal and state requirements.

RM_ENVIR Z199 Risk Management Environmental

RM_ENVIRX Z699 Risk Management Environmental

CIWC Inlet Wet Comp System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Inlet Wet Comp System. This includes all tasks associated wiht emergent work for the Inlet Wet Comp System.


CJAW Mtce Corr for Jacket and Aux Clng

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also, includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for JACKET/AUXILIARY COOLING.

WM_GEN Z241 Work Management Gen JAW JAW Jacket and Auxiliary Cooling

CLAB Mtce Corr for Lab and Test Equip

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also, includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work order, and implementing a non‐destructive examination program for LABORATORY AND TEST EQUIPMENT.

WM_GEN Z241 Work Management Gen LAB LAB Laboratory and Test Equipment

CLCI Collections Large Comm and Industry

Activities associated with collection of past due large commercial or industrial customer accounts, such as account analysis, payment schedules, and/or correspondence with customers and collection agents.

COLLECT Z113 Collections COLLECTX Z613 Collections

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CLMC Cellular Service Maintenance Work performed on the cellular phone user equipment to either prevent failure or to restore the equipment to operation after a failure has occurred.

CELL_TLCM Z112 Cellular Telecom CELL_TLCMX Z612 Cellular Telecom

CLNU Collections Non‐Utility Activities associated with property damage collections, scrap item sales, facilities work (including line extensions, house moving, loaned crews, overtime call outs, etc.) and miscellaneous collections.


CLOC Governmental Affairs Local Activities associated with analyzing local legislative issues and the like but not actual lobbying of legislators or other government officials.

GOV_AFF Z147 Governmental Affairs GOV_AFFX Z647 Governmental Affairs

CLOS Lube Oil System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Lube Oil System. This includes all tasks associated with emergent work for the Lube Oil System.


CLRS Collections Residential and Sm Comm

Activities associated with collection of past due residential and small commercial customer accounts, such as account analysis, payment schedules, and/or correspondence with customers and collection agents.


CLSR Cellular Service Regular This activity covers the processing and payment of bills on Cellular service for regular use as well as ordering new service and issuing removals/additions to existing service.


CLTG Mtce Corr for Lighting All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for LIGHTING.

WM_GEN Z241 Work Management Gen LTG LTG Lighting

CMDV Corporate Metrics Development

Activities associated with the development, analysis, feedback and action planning of various human capital and satisfaction metrics.

ORG_DEVELOP Z184 Organization Development

ORG_DEVELOPX Z684 Organization Development

CMIS Mtce Corr for Misc All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for MISCELLANEOUS.

WM_GEN Z241 Work Management Gen MIS MIS Miscellaneous

CMPR Mtce Corr for Pyrite Rmvl All activities directly related to the repair, restoratio, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for MILL PYRITE REMOVAL.

WM_GEN Z241 Work Management Gen MPR MPR Mill Pyrite Removal

CMTR Community Tree Replacement

This activity is for payments to communities to support tree replacement programs. CORP_COMM_SVC Z119 Corp Communications Svcs Misc


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COAR Mtce Corr for Other Ash Rmvl

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for OTHER ASH REMOVAL.

WM_GEN Z241 Work Management Gen OAR OAR Other Ash Removal

COCI Converged Infrastructure Mtce and Support

All activities associated with the maintenance, repair, upgrade, system administration and management of Converged Infrastructure including but not limited to Exadata, VBlock and Teradata systems. All hardware, software and storage related activities related to converged infrastructure as well as associated peripheral equipment should be included.



CODA Database Administration Activities associated with maintaining the physical database structures of the enterprise. Includes database definition, performance monitoring and tuning, backup/recovery environment and procedures, reorganizations, data refresh upon request, capacity planning and reporting.



CODB Oracle Database Administration

Activities associated with maintaining the physical database structure of the Oracle Enterprise. Includes database definition, performance monitoring and tuning, backup/recovery environment and procedures, reorganizations, data refresh upon request, capacity planning and reporting.



COEI Computer Equip Installation Activities which include the labor, materials and equipment required to install computer equipment which may include PCs, printers and other peripherals, servers, mainframe equipment, hubs, routers, cable or any other computer equipment related component.



COEM Email System Mtce and Support

Activities which include the labor, materials, software and equipment required to maintain, support and upgrade the corporate email system.



COFS Mtce Corr for Other Fuel Support

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for OTHER FUEL SUPPLY.

WM_GEN Z241 Work Management Gen OFS OFS Other Fuel Supply

COHU Hardware Mtce and Upgrades

Activities which include the labor, materials and equipment required to install upgrades or other enhancements to new or existing computer equipment which includes PCs, Printers, Servers, Mainframe equipment and any other network component .



COMA Other Middleware Admin Activities associated with maintaining other Middleware infrastructures. Includes definitions, performance monitoring and tuning, backup/recovery environment and procedures, capacity planning and reporting.



COMV Mainframe Computer Sys Mtce/Support

All activities associated with the maintenance, repair, upgrade, software systems programming and management of mainframe infrastructure. All hardware and software related activities related to mainframe servers and associated peripheral equipment should be included.



CONL Lan Server Mtce and Support Activities which include the labor, materials, software and equipment required to maintain, support and upgrade the infrastructure of the LAN/WAN.



CONP Network Print Mtce and Support

Activities which include the labor, materials, software and equipment required to maintain, support and upgrade Network Printing within the LAN/WAN.



CONW WAN Maintenance Support Activities associated with WAN maintenance support. COMP_OM Z116 Computer Operations and Mgmt


COOP Output Processing All activities associated with production processing of computer output including but not limited to; printing, distribution of paper, microfiche, and other media. Also includes support and assistance for generally used tools and utilities in the product



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COPC Production Control All activities associated with production processing of computer networks, systems and applications (online and batch) including but not limited to; setup, scheduling, monitoring, failure diagnosis, restart/rerun, complete verification and result notification



CORA Remote Netwk Access Mtce and Support

Activities which include the labor, materials, software and equipment required to maintain, support and upgrade remote access to the LAN/WAN.



CORT Requirements and Technical Analysis

This activity involves evaluation of technology options and definition of high level and detailed technical specifications.



COSA Computer System Security Admn

All activities associated with processing computer user authentication and authorization requests. Includes routine administration such as issuing users ideas and passwords for computer networks and systems.



COSB System Backup Activities associated with ensuring that computer systems/platforms are properly backed up in case of a failure. These activities are not associated with Disaster Recovery which contains hot site planning and recovery and associated charges.



COSC Mtce Corr for Oil Storage All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for OIL STORAGE AND CONDITIONING.

WM_GEN Z241 Work Management Gen OSC OSC Oil Storage and Conditioning

COSD System Security Design Activities associated with developing, maintaining, administering and monitoring compliance across the entire network to ensure security of computing/telecommunications equipment and software along with the data residing on it.



COSM Software Mtce and Upgrades Activities associated with the analysis, programming, testing, distribution and implementation of system or other non‐application software upgrades, enhancements, software fixes, maintenance or minor improvements.



COSO Computer System Operations All activities associated with production operation of computer networks, systems (hardware and software) and application processing (on‐line and batch). Includes support and implementation of fire protection equipment, equipment inspections, equipment problem identification, maintenance of operations logs, reports and records regarding equipment performance and any engineering evaluations in support of this action. Also includes writing routine and emergency operating procedures which address computer operations.



COSP System Programming Activities associated with operating system software programming necessary to operate the core infrastructure.



COSS Cost Of Service Studies Activities associated with inside or outside resources performing cost of service studies for the purpose of establishing revenue requirements and functionalizing these costs in such a manner that they can be assigned to tariff rate classes. Includes rate structure and tariff design.


COST Computer Storage Management

Activities which include the labor, materials, software and equipment required to maintain, support and upgrade the computer storage infrastructure, excluding backups.



COTO Tape Operations All activities associated with production processing of tape operations including but not limited to; printing, distribution of paper, microfiche and other media. Also includes support and assistance for generally used tools and utilities in the product



COTR Coal Trading Activities required to market or trade coal. FUEL_MGMT Z140 Fuels Management FUEL_MGMTX Z640 Fuels ManagementCOUX Unix Computer Sys Mtce and

SupportAll activities associated with the maintenance, repair, upgrade, system administration and management of Unix based systems including but not limited to Solaris, AIX and HP‐UX systems. All hardware and software related activities related to servers and associated peripheral equipment should be included.



COWI Windows Server Mtce and Support

Activities which include the labor, materials, software and equipment required to maintain, support and upgrade the Windows NT infrastructure



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CPBK Mtce Corr Pumpback Related Sys

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PUMPBACK RELATED SYSTEMS.

WM_GEN Z241 Work Management Gen PBK PBK Pumpback Related Systems

CPBS Mtce Corr for Pumpback Station

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PUMPBACK STATIONS.

WM_GEN Z241 Work Management Gen PBS PBS Pumpback Station

CPCB Mtce Corr for PCB Retrofil All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PCB RETROFILLING.

WM_GEN Z241 Work Management Gen PCB PCB PCB Retrofilling

CPCS Personal Computer Mtce and Support

All activities associated with the maintenance, repair, upgrade, software support and management of PC infrastructure. All hardware and software related activities related to desktop computers and associated peripheral equipment should be included.



CPCY Sch 10 Capacity MISO administrative costs recovered on a capacity basis for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX TotalCPDW Mtce Corr for Potable Water All activities directly related to the repair, restoration or rework of structures, systems, components or

equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for DOMESTIC/POTABLE WATER.

WM_GEN Z241 Work Management Gen PDW PDW Domestic and Potable Water

CPEV Capital Project Evaluation Activities associated with assisting other departments with capital project analysis as well as maintaining the Company project evaluation models. This activity also includes support to the Capital Funding Committee for budgetary purposes.


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CPFS Mtce Corr for Pulverized Fuel All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PULVERIZED FUEL.

WM_GEN Z241 Work Management Gen PFS PFS Pulverized Fuel System

CPMS Mtce Corr for Pollution Monitoring

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for POLLUTION MONITORING.

WM_GEN Z241 Work Management Gen PMS PMS Pollution Monitoring System

CPRC Mtce Corr for Precipitator All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PRECIPITATOR.

WM_GEN Z241 Work Management Gen PRC PRC Precipitator

CPWT Mtce Corr for Primary Water Trtmt

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for PRIMARY WATER TREATMENT.

WM_GEN Z241 Work Management Gen PWT PWT Primary Water Treatment

CRAC Rotor Air Cooler System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Rotor Air Cooler System. This includes all tasks associated wiht emergent work for the Rotor Air Cooler System.


CRCA Credit Assistance Activities associated with life support collections, energy assistance programs, and moratorium activities (local authority notification, third party notification, etc.).

CREDIT Z121 Credit Total CREDITX Z621 CreditX Total

CRCR Credit Risk Assessment Activities associated with credit investigations for new customer accounts, which may involve phone or personal interviews, performing credit bureau checks or reviewing other sources of information to determine credit worthiness.

CREDIT Z121 Credit Total CREDITX Z621 CreditX Total

CRES Conventional Radio Eng Support

This activity involves evaluation of conventional radio options, telecom systems design, definition of technical specifications, and daily support of Trunked radio system operations.

CONV_RADIO Z118 Conventional Radio CONV_RADIOX Z618 Conventional Radio

CRMC Conventional Radio Mtce This activity covers the maintenance of conventional radio infrastructure and user equipment. CONV_RADIO Z118 Conventional Radio CONV_RADIOX Z618 Conventional Radio

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CRMU Conven Radio Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading conventional radio equipment.

CONV_RADIO Z118 Conventional Radio CONV_RADIOX Z618 Conventional Radio

CRRI Mtce Corr Rich Reagent Injection

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for RICH REAGENT INJECTION SYSTEM.

WM_GEN Z241 Work Management Gen RRI RRI Rich Reagent Injection

CRTP RTP Capacity Charges No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


CRWP Create Web Pages Create web pages for the corporate intranet using Front Page, Photo Shop, and HTML. COMM_SRV Z114 Communications Services COMM_SRVX Z614 Communications Services

CRWS Mtce Corr for Raw Water System

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for RAW WATER SYSTEM.

WM_GEN Z241 Work Management Gen RWS RWS Raw Water System

CSBS Mtce Corr for Soot Blowing All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for SOOT BLOWING.

WM_GEN Z241 Work Management Gen SBS SBS Soot Blowing System

CSDA Sybase Database Administration

Activities associated with maintaining the physical database structure of the Sybase Enterprise. Includes database definition, performance monitoring and tuning, backup/recovery environment and procedures, reorganizations, data refresh upon request, capacity planning and reporting.



CSDR Directors' Relations This activity captures tasks/costs associated with fees and retainer paid to / deferred by active board members, and pension benefits paid for retired directors (such deferral of fees and payment of director retirement benefits set forth under terms of applicable Company‐sponsored plans). Also includes payment/reimbursement of expenses to directors in connection with their service on the board.

CORP_SEC_SVC Z120 Corp Secretary Services CORP_SEC_SVCX Z620 Corp Secretary Services

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CSFA Mtce Corr for Safety First Aid All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for SAFETY AND FIRST AID.

WM_GEN Z241 Work Management Gen SFA SFA Safety and First Aid

CSMC Mortgage Compliance Activities associated with compliance filings under the various indentures. CORP_SEC_SVC Z120 Corp Secretary Services CORP_SEC_SVCX Z620 Corp Secretary Services

CSMR Cellular Service Meter Reading

This activity covers the processing and payment of bills on Cellular service used specifically for automated meter reading equipment as well as ordering new service and issuing removals/additions to existing service.


CSMS Communications Mgmt Support

Support provided for Ameren Corporation management communications projects. COMM_SRV Z114 Communications Services COMM_SRVX Z614 Communications Services

CSNW Customer Sales Non Wholesale

Selling of products or services to prospects within and outside Ameren service territories. SALES Z205 Sales Total SALESX Z705 SalesX Total

CSOM Social Media Activities Meetings and projects involving company communication in the social media community; Facebook, You Tube,Twitter, etc.



CSPO PO/Receiving Verification Activities associated with verification that purchase orders and receivables match. SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt

SRC_SUPP_CMX Z706 Sourcing and Supply Chain Mgmt

CSPS Starting Package System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Starting Package System. This includes all tasks associated wiht emergent work for the Starting Package System.


CSQL MS SQL Database Administration

Activities associated with maintaining the physical database structure of the MS‐SQL Enterprise. Includes database definition, performance monitoring and tuning, backup/recovery environment and procedures, reorganizations, data refresh upon request, capacity planning and reporting.



CSRE Customer Sales Retail This activity captures the resource costs associated with scheduling, marketing, trading of retail electric power. MARKET Z160 Marketing MARKETX Z660 Marketing

CSRM Records Management Activities associated with disposition and storage of Company documents along with administering any records retention policy.

CORP_SEC_SVC Z120 Corp Secretary Services CORP_SEC_SVCX Z620 Corp Secretary Services

CSSD Mtce Corr for Sanitary Sewage Disp

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for SANITARY SEWAGE DISPOSAL.

WM_GEN Z241 Work Management Gen SSD SSD Sanitary Sewage Disposal

CSSE Mtce Corr for Station Svc Elec All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for STATION SERVICE ELECTRICAL.

WM_GEN Z241 Work Management Gen SSE SSE Station Service Electrical

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CSSM Stockholder Meetings Activities associated with setting‐up and hosting annual stockholder meetings. CORP_SEC_SVC Z120 Corp Secretary Services CORP_SEC_SVCX Z620 Corp Secretary Services

CSTA Governmental Affairs State Activities associated with analyzing state legislative issues and the like but not actual lobbying of legislators or other government officials.

GOV_AFF Z147 Governmental Affairs GOV_AFFX Z647 Governmental Affairs

CSTE Mtce Corr for Steam Plant All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for STEAM PLANT.

WM_GEN Z241 Work Management Gen STE STE Steam Plant

CSVP Video Production This activity captures the tasks of writing, production, shooting, directing, editing, and distribution of video productions to the appropriate audiences.

COMM_SRV Z114 Communications Services COMM_SRVX Z614 Communications Services

CSWH Customer Sales Wholesale This activity captures the resource costs associated with scheduling, marketing, trading of wholesale electric power.

MARKET Z160 Marketing MARKETX Z660 Marketing

CSYE Mtce Corr for Switchyard Gen

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for SWITCHYARD.

WM_GEN Z241 Work Management Gen SYE SYE Switchyard

CTOL Mtce Corr for Tools and Equip

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for TOOLS AND EQUIPMENT.

WM_GEN Z241 Work Management Gen TOL TOL Tools and Equipment

CTRB Mtce Corr for Main Turbine All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for MAIN TURBINE.

WM_GEN Z241 Work Management Gen TRB TRB Main Turbine

CTSF Contingency Supply Factor The purpose of the Contingency Supply Factor (CSF) is to determine the appropriate charges to be included in the Market Value Adjustment (MVA) in the event that the provisions of the Limitations and Contingencies part of Rider MV are employed.


CTTD Claims Temp Total Disability Activities that capture the resource costs associated with investigation and evaluation of temporary total disability benefits.

WRKMEN_CMP_CLM Z242 Workmens Comp Claims WRKMEN_CMP_CLMX Z742 Workmens Comp Claims

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CUCH Customer Charge An amount to be paid monthly by a retail customer for customer‐related costs which includes costs such as service line, billing, customer‐support functions ‐ call center, credit, collections, and certain meter‐related costs such as current and potential meter transformers.


CUDC Customer Demand Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

CUSE Company Use Dekatherm / Kilowatt Hour

This activity captures the company usage of gas (dekatherms) and electricity (kilowatt hours). SALES Z205 Sales Total SALESX Z705 SalesX Total

CVME Mtce Corr for Mobile Equip All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for VEHICLES AND MOBILE EQUIPMENT.

WM_GEN Z241 Work Management Gen VME VME Vehicles and Mobile Equipment

CVVO Communication Volt VAR Optimization

Communication‐related construction, operation, and maintenance activities related to the implementation of voltage optimization and conservation voltage reduction projects for purposes of optimizing VAR flows and maintaining voltages along a circuit at the lower ranges of required levels to reduce customer energy usage. Work may include, but not limited to, the installation, operation, and maintenance of communication equipment to allow for remote access and control, and the installation, operation, and maintenance of appropriate communication‐related software and network access.


CWCA Cash Working Fund Capital Adj

This adjustment to Competitive Procurement Process Retail Supply Charges which compensates the utility for the amount of funds required to finance the day‐to‐day operations for utility‐supplied power and energy.


CWCG Cost of Working Capital Gas Cost of Working Capital Adjustment Adder for AIC PGA Gas Customers ‐ 2018 Gas Rate Case * NOTE: to be used for AIC only


CWEL Mtce Corr for Well Water All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for WELL WATER.

WM_GEN Z241 Work Management Gen WEL WEL Well Water

CWIS Water Injection System Activities related to planned, periodic and preventive mainenance, installation of, repair, restore, re‐work of and operating activities of structures, systems, components or equipment relating to the Water Injection System. This includes all tasks associated wiht emergent work for the WATER INJECTION SYSTEM.


CWTP Mtce Corr for Water Treatment

All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for WATER TREATMENT.


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CWWS Mtce Corr for Waste Water All activities directly related to the repair, restoration or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance where these programs exist), staging parts, tagout requests/submittals, cost to repair fuel assemblies or core components which were damaged after receipt inspection, performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage) and any engineering evaluations in support of this action. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders and implementing a non‐destructive examination program for WASTE WATER.

WM_GEN Z241 Work Management Gen WWS WWS Waste Water System

DAEC Day Ahead Energy Charge This is the hourly energy price, equal to the Day Ahead LMP used in MISO administered markets, multiplied by energy submitted in the customer's day‐ahead nomination. This charge is for RTP‐LI customers.


DAHS Mtce Pred for Air Heating All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AIR HEATING.


DAIA Data Analytics and Insight Analysis

Activities associated with advanced analytics to include statistical analysis, predictive analysis, forecasting and optimization.



DAIB Data Accounting Interchg Bill Activities associated with providing data relating to interchange transactions, including billing. SYS_DATA_ACCTG Z211 System Data Accounting SYS_DATA_ACCTGX Z711 System Data Accounting

DALF Day Ahead Load Forecasting Activity to record day ahead hourly load forecasting. MARKET Z160 Marketing MARKETX Z660 Marketing

DAPS Mtce Pred for Ash Pond System

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for ASH POND SYSTEM.


DARC Data Architecture Services To provide Data Architecture services for the enterprise. IT_SS Z152 IT Support Services IT_SSX Z652 IT Support Services

DASR Data Accounting Statistical Reports

Activities associated with developing various statistical reports on energy system operation (unit generation reports, system load reports, inadvertent reports, etc.).

SYS_DATA_ACCTG Z211 System Data Accounting SYS_DATA_ACCTGX Z711 System Data Accounting

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DAXB Mtce Pred for Auxiliary Boiler All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AUXILIARY BOILER.


DAXS Mtce Pred for Auxiliary Steam

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for AUXILIARY STEAM.


DBAR Mtce Pred for Bottom Ash Removal

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOTTOM ASH REMOVAL.


DBCC Mtce Pred for Boiler Chemical Cleaning

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CHEMICAL CLNG.


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DBCF Mtce Pred for Boiler Chemical Fd

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CHEMICAL FEED AND SAMPLE.


DBCW Mtce Pred for Boiler Circ Water

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER CIRC WATER.


DBDS Mtce Pred for Boiler Dft System

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER DRAFT SYSTEM.


DBFO Dept Budgeting and Forecasting

Activities associated with the departmental financial forecasting and the preparation, strategic and financial analysis, development, submission, and tracking of the budget.



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DBFW Mtce Pred for Boiler Feedwater

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER FEEDWATER.


DBLR Mtce Pred for Boiler All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER.


DBME Mtce Pred for Boat and Marine Equip

All activities directly related to the planned, periodic and predictive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.


DBSB Mtce Pred for Boiler Startup Bypass

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for BOILER STARTUP AND BYPASS


DBYS Mtce Pred for Bldg Yard Structure

All activities directly related to the planned, periodic and predictive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.


DC3P Claims 3rd Party Property Activities that capture the resource costs associated with investigation, evaluation, defense, and settlement of third party property damage claims against the Company.

DAM_CLM Z125 Damage Claims DAM_CLMX Z625 Damage Claims

DCAP Claims Ameren Property Activities associated with investigation, evaluation, defense, and settlement related to filing property damage claims against a third party for damage to Company property resulting from construction activities and normal daily operations of that third party.


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DCAS Mtce Pred for Compressed Air

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMPRESSED AIR.


DCBL Demand Charges Base Load The portion of the charge of electric service based upon the electric capacity consumed for base load, billed on the basis of billing demand under applicable rate schedule.



DCCL Claim Work Collections Activities associated with collection of past due damage claim accounts, such as account analysis, payment schedules, and/or correspondence with the damaging party or collection agents.


DCCW Damage Claims T and D Claim Work

Activities performed to repair damage caused by the public, other utilities, or contractors. DAM_CLM Z125 Damage Claims DAM_CLMX Z625 Damage Claims

DCFS Mtce Pred for Cyclone Fuel All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CYCLONE FUEL.


DCHP Mtce Pred for Coal Handling All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PLANT COAL HANDLING.


DCIC Delivery Chg Inadequate Capacity

No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

DCIS Demand Charges Interchg Sales

The portion of the charge of electric service based upon the electric capacity consumed for interchange sales, billed on the basis of billing demand under an applicable rate schedule.



DCMD Demand Charge Mdcq No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalDCNR Delinquent Calls Non‐

ResidentialThis activity covers the cost to answer calls involving non‐residential customers who have had their service cut off or are about to have their service cut off due to bill non‐payment.


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DCOM Mtce Pred for Communications

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMMUNICATIONS.


DCON Mtce Pred for Condensesr and Aux

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CONDENSER AND AUXILIARIES.


DCPI Claims Personal Injury Litigation

Activities associated with investigation, evaluation, defense, and settlement of personal injury claims against the Company.


DCPL Claims Property Litigation Activities associated with investigation, evaluation, defense, and settlement of injury, property damage, or other non‐personal injury claims against the Company.


DCRC Mtce Pred for Coal Reclaim All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COAL RECLAIM.


DCRE Delinquent Calls Residential This activity covers the cost to answer calls involving residential customers who have had their service cut off or are about to have their service cut off due to bill non‐payment.


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DCRS Mtce Pred for Coal Receiving All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COAL RECEIVING.


DCTG Mtce Pred for Ct Gen All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for COMBUSTION TURBINE GENERATOR.


DCVE Claims Vehicle Activities capturing the resource costs associated with investigation, evaluation, defense, and settlement of vehicle damage claims against the Company.


DCWH Demand Charges Wholesale To record demand (capacity charges) for wholesale customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

DCWP Debt CWIP An allowance to the company for borrowed funds used to finance Construction Work in Progress. This amount is credited on the income statement as a reduction to the net interest charges.



DCWS Mtce Pred for Circ Water Gen All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for CIRCULATING WATER.


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DDEM Mtce Pred for Demin All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for DEMINERALIZER.


DECO Decommissioning Costs Cost accumulated by a company to transform a nuclear power plant into an out‐of‐service state and eventually, provide for its complete removal. Decommissioning activities are intended to place the facility in a condition that provides for the health and safety of the general public and the environment.



DEDC Real‐Time Excessive/Deficient Energy Deployment Charge

A MISO charge that represents the charge to an Asset Owner owning Generation where the Asset Owner's unit fails to follow MISO setpoint instructions for 4 consecutive intervals within 1 hour without an exception.

MISO_RROA Z162 MISO_RROA Related Processes


DEGS Mtce Pred for Emergency Generator

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for EMERGENCY / LETDOWN GENERATOR.


DELV Mtce Pred for Elev, Cranes and Hoists

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for ELEVATORS, CRANES AND HOISTS.


DEPR Depreciation Activities that capture the resource costs associated with depreciation. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


DERE Demand Revenue The rate at which electric energy is delivered to or by a system, part of a system, or a piece of equipment expressed in kilowatts at a given instant or averaged over any designated time period.



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DERI Distributed Energy Resource Integration

This activity captures work related to the interconnection, monitoring, and control of distributed energy resources, and their successful integration of these resources into the Ameren distribution system.

TD_SYS_ADMIN Z223 T and D System Administration

TD_SYS_ADMINX Z723 T and D System Administration

DESE Delivery Services Services provided by the local electric utility, included standard metering and billing, that are necessary for the delivery of power to customers.



DEXS Mtce Pred for Extraction Steam

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for EXTRACTION STEAM.


DFAC Distribution Connection Facility

No definition supplied. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

DFAE Directors Fees and Expenses Fees and expenses of the Board of Directors paid in connection with the general management of the utility. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


DFAR Mtce Pred for Flyash Removal

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLYASH REMOVAL.


DFCS Mtce Pred for Flood Control Sys

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLOOD CONTROL SYSTEM‐GENERA.


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DFGC Mtce Pred for Flue Gas Conditioning

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FLUE GAS CONDITIONING.


DFGD Mtce Pred for Fuel Gas Delivery

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FUEL GAS DELIVERY SYSTEMS.


DFPS Mtce Pred for Fire Protection Gen

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for FIRE PROTECTION.


DGCE Mtce Pred for Governor Cntl Equip

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GOVERNOR CONTROL EQUIPMENT.


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DGEN Mtce Pred for Main Generator

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for MAIN GENERATOR.


DGFS Mtce Pred for Gas Fuel System

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GAS FUEL SYSTEM.


DGIB Mtce Pred for Instr and Ctrl Boiler

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GENERAL INSTRUMENT AND CONTROLS.


DGIC Mtce Pred Gen Instr and Ctrl All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for GENERAL INSTRUMENT AND CONTROLS.


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DGIE Mtce Pred for Instr and Ctrl Electrical

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for INSTRUMENTS & CONTROLS ‐ ELECTRICAL.


DHGT Mtce Pred for Turbine Generator

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for TURBINE GENERATOR‐GENERAL.


DHRG Mtce Pred for Heat Recov Steam

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HEAT RECOVERY STEAM GENERATOR.


DHVA Mtce Pred for HVAC Gen All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HEATING, VENTILATION AND A/C.


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DHYD Mtce Pred for Hydro Plant All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for HYDRO PLANT.


DINT Data Integration Services Activities associated with data integration services, business intelligence, data warehousing and service‐oriented architecture.



DIVC Diversity Council This activity includes all diversity activities associated with the Ameren Corporate Diversity Council including meetings, consultants, training and development diversity committee support within business lines and program development and support.

EMP_PGM_POL Z132 Employee Programs and Policies

EMP_PGM_POLX Z632 Employee Programs and Policies

DIVS Diversity Services This activity is for diversity services which includes consultation, planning administration of diversity programs and initiatives, community outreach and program development.



DJAW Mtce Pred for Jacket and Aux Clng

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for JACKET/AUXILIARY COOLING.


DLAB Mtce Pred for Lab and Test Equip

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for LABORATORY AND TEST EQUIPMENT.


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DLTG Mtce Pred for Lighting All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for LIGHTING.


DMCM DDOS MAS Communications Mtce

Work performed on the DDOS MAS communication system to either prevent failure or to restore the system to operation after a failure has occurred.

DDOS DDOS DDOS Telecom DDOSX Z626 DDOS Telecom

DMES DDOS MAS Communication Eng Support

This activity involves evaluation of DDOS MAS communication technology options, systems design, definition of technical specifications, and daily support of the DDOS MAS communication system operations.


DMIS Mtce Pred for Misc All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for MISCELLANEOUS.


DMMU DDOS MAS Comm Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading DDOS MAS communication system equipment.


DMND Demand Charges The portion of the charge of electric service based upon the electric capacity consumed, billed on the basis of billing demand under an applicable rate schedule.


DMPR Mtce Pred for Pyrite Rmvl All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PYRITE REMOVAL.


DMWP Day‐Ahead RSG Make Whole Payment

A MISO charge for Day Ahead Revenue Sufficiency Guarantee Make Whole Payment. This is a charge type for the guaranteed recovery of production offers for Resources committed by MISO for the Day‐Ahead Market.



DOCS T and D Direct Ovhd Clerical Support

Clerical support time associated with District/Region construction operations, performed by personnel located at the District Region.

TD_DRCT_OH Z217 T and D Direct Overheads TD_DRCT_OHX Z717 T and D Direct Overheads

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DOED DOE Decommissioning Payments made to the Uranium Enrichment Decontamination and Decommissioning Fund by any domestic utility which has purchased separative work units from the Department of Energy (DOE) for the purpose of commercial electrical generation during the period 1945 to October 23, 1992. The fund will be used to pay for the costs of decontamination and decommissioning and remedial action activities at DOE's uranium enrichment facilities.



DOEN T and D Direct Ovhd Engineering

Engineering time associated with District and Region construction operations, performed by District/Region personnel.


DOES T and D Direct Ovhd Estimating

Estimating time associated with District/Region construction operations, performed by District/Region personnel.


DOFS Mtce Pred for Other Fuel Support

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for OTHER FUEL SUPPLY.


DOMT T and D Direct Ovhd Major Tools

This activity captures the cost of major tools (Class 84 items) issued to district/region personnel that are not associated with a specific job or activity.


DOSC Mtce Pred for Oil Storage All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for OIL STORAGE AND CONDITIONING.


DOSV T and D Direct Ovhd Supervision

Supervision costs for District and Region personnel supporting construction operations. TD_DRCT_OH Z217 T and D Direct Overheads TD_DRCT_OHX Z717 T and D Direct Overheads

DPBK Mtce Pred Pumpback Related Sys

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PUMPBACK RELATED SYSTEMS.


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DPBS Mtce Pred for Pumpback Station

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PUMPBACK STATIONS.


DPCB Mtce Pred for PCB Retrofil All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PCB RETROFILLING


DPDW Mtce Pred for Potable Water All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for DOMESTIC / POTABLE WATER.


DPFS Mtce Pred for Pulverized Fuel All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PULVERIZED FUEL.


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DPMS Mtce Pred for Pollution Monitoring

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for POLLUTION MONITORING.


DPRC Mtce Pred for Precipitator All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PRECIPITATOR.


DPWT Mtce Pred for Primary Water Trtmt

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for PRIMARY WATER TREATMENT.


DRAD Application Disaster Recovery

A MISO charge for Real Time Demand Response Allocation Uplift. This is a charge type used to collect Demand Response Compensation when the LMP Demand Response Resource exceeds the Net Benefits Price Threshold.

DIS_RECV Z127 Disaster Recovery DIS_RECVX Z627 Disaster Recovery

DRAU Demand Response Allocation Uplift

The cost delivered at the station of all fuel used in other power generation. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

DRID Infrastructure Disaster Recovery

This activity captures all costs associated with the coordination, testing, and maintenance of a Disaster Recovery plan for the computer/network/voice network infrastructure, which includes hardware, software, and data recovery. Also includes on‐going recovery exercises.


DRLA Demand Rate Limiter Credit For DS‐3 and DS‐4 customers whose average Distribution Delivery and Transformation Charges exceed the limit.


DRRI Mtce Pred Rich Reagent Injection

All acitivities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work.


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DRRP Disaster Recovery Planning This activity captures all costs associated with the coordination and maintenance of the overall Corporate Disaster Recovery plan for all information systems components and software applications including overall monitoring of recovery exercises.


DRWS Mtce Pred for Raw Water System

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for RAW WATER SYSTEM.


DS01 Chargeoff/Recovery Ds Rate 1

Activity to track any chargeoff/recovery on revenue billed as DS1 (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries

















DS3A Chargeoff/Recovery Ds Rate 3A

Activity to track any chargeoff/recovery on revenue billed as DS3A (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


DS3B Chargeoff/Recovery Ds Rate 3B

Activity to track any chargeoff/recovery on revenue billed as DS3B (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


DSBS Mtce Pred for Soot Blowing All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for SOOT BLOWING.


DSDC Sales Delivery Charge Step 2 No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

DSDL Distribution Delivery Chg An amount to be paid by a retail customer for the delivery of electric power and energy based upon costs incurred for the state‐jurisdictional distribution system; varies with demand or energy consumption.


DSES DDOS Scada Engineering Support

This activity involves evaluation of DDOS SCADA technology options, systems design, definition of technical specifications, and daily support of the DDOS SCADA system operations.


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DSFA Mtce Pred for Safety First Aid All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for SAFETY AND FIRST AID.


DSMC DDOS Scada Maintenance Work performed on the DDOS SCADA system to either prevent failure or to restore the system to operation after a failure has occurred.


DSMU DDOS Scada Moves/Upgrades/Adds

This activity covers the resource costs associated with physically moving, adding, or upgrading DDOS SCADA system equipment.


DSSD Mtce Pred for Sanitary Sewage Disp

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for SANITARY SEWAGE DISPOSAL.


DSSE Mtce Pred for Station Svc Elec

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for STATION SERVICE ELECTRICAL.


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DSTE Mtce Pred for Steam Plant All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for STEAM PLANT.


DSYE Mtce Pred for Switchyard Gen

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for SWITCHYARD.


DTOL Mtce Pred for Tools and Equip

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for TOOLS AND EQUIPMENT.


DTRB Mtce Pred for Main Turbine All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for MAIN TURBINE.


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DUIC Daily Usage Information Chrg No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

DVME Mtce Pred for Mobile Equip All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for VEHICLES AND MOBILE EQUIPMENT.


DVVO Distr Volt VAR Optimization Construction, operation, and maintenance activities related to the implementation of voltage optimization and conservation voltage reduction projects for purposes of optimizing VAR flows and maintaining voltages along a circuit at the lower ranges of required levels to reduce customer energy usage. Work may include, but not limited to, the installation, operation, and maintenance of regulators and capacitors, the replacement and upgrade, operations, and maintenance of regulator and capacitor controls to allow for remote access and control, and the installation, operation, and maintenance of appropriate control software.


DWCR Debt Westinghouse Credits Reverse AFUDC associated with the debt component of Westinghouse Credits. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


DWEL Mtce Pred for Well Water All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for WELL WATER.


DWWS Mtce Pred for Waste Water All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action. All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT or other code required hydrostatic testing (when not included in support of corrective maintenance or modification action), any engineering evaluations in support of testing requirements or evaluating results, and all tests required by the plant technical specifications. Also includes quality control activities such as ensuring and verifying component integrity, performing quality inspections, quality monitoring, reviewing safety related and quality related work orders, and implementing a non‐destructive examination program for WASTE WATER.


E1SS Lt Mtce All General Stn Support

All aspects of developing a long term maintenance plan to ensure the optimum performance of plant structures, systems, and components. This includes all tasks associated with the implementation of the maintenance rule, the administration of preventive (

NUC3_ER Z167 Nuclear Equipment Reliability

E1 E1 Develop and Maintain Mtce Plan

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E2EL Surv Test All Elect Prod Equip All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT


E2 E2 Conduct Surv and Perf Tests

E2M9 Surv Test All Misc Plant Equip All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT



E2SS For All General Station Support

All activities related to planning, performing, evaluating and monitoring repetitive testing of components or systems. Includes calibrating/cataloging/maintaining/testing equipment, in‐service inspections and tests (ISI/IST), performance of LLRT or ILRT



E3EL Rel Anal All Elect Prod Equip Activities associated with establishing, maintaining and analyzing information related to the condition and efficiency of structures, systems, and components. Includes: analysis of identified plant problems, trending and evaluating system and component pe


E3 E3 Analyze Perf and Reliability

E3M9 Rel Anal All Misc Plant Equip Activities associated with establishing, maintaining and analyzing information related to the condition and efficiency of structures, systems, and components. Includes: analysis of identified plant problems, trending and evaluating system and component pe



E3SP Rel Anal All Steam Production Equip

Activities associated with establishing, maintaining and analyzing information related to the condition and efficiency of structures, systems, and components. Includes: analysis of identified plant problems, trending and evaluating system and component pe




Activities associated with establishing, maintaining and analyzing information related to the condition and efficiency of structures, systems, and components. Includes: analysis of identified plant problems, trending and evaluating system and component pe



E4A6 Mtce Prd All Turbine Gen System

All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.


E4 E4 Perform Predictive Maintenance

E4A7 Mtce Prd All Main and Aux Steam




E4A8 Mtce Prd All Feedwater Systems




E4A9 Mtce Prd All Condensate Systems




E4B9 Mtce Prd All Cvcs Systems All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4BB Mtce Prd Reactor Coolant All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4D9 Mtce Prd All Circ Water Systems




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E4E9 Mtce Prdall Accessory Elec Equip




E4EA Mtce Prd Service Water All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4EB Mtce Prd Closed Cooling Water




E4EC Mtce Prd Fuel Pool Cooling and Cleanup




E4EF Mtce Prd Essential Serv Water




E4EG Mtce Prd Comp Cooling Water




E4EJ Mtce Prd Residual Heat Removal




E4EM Mtce Prd Hi Press Coolant Injection




E4EN Mtce Prd Containment Spray All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4EP Mtce Prd Safety Injection All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4G9 Mtce Prd All HVAC Systems All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



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E4IS Mtce Prd Training Simulator All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4K7 Mtce Prd All Misc Water Systems




E4K8 Mtce Prd All Fire Protection System




E4K9 Mtce Prd All Air and Gas System




E4M8 Mtce Prd All Switchyard, Sub Equip




E4M9 Mtce Prd All Misc Plant Equip All activities directly related to the implementation of predictive maintenance for structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post‐maintenance testing, cleanup of job site during and after work, writing of procedures, documentation closeout (signatures and delivery for storage), and any engineering evaluations in support of this action.



E4N9 Mtce Prd All Emerg D G System




E4R9 Mtce Prd All Accessory Rpv Equip




E4S9 Mtce Prd All Nuclear I and C System








E4U9 Mtce Prd All Misc Bldgs and Grounds




ECCM E and C Construction Management

Activities associated with general field oversight and coordination of contractors working on construction projects.

WM_EC Z240 Work Management E and C

WM_ECX Z740 Work Management E and C

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ECCO E and C Construction This activity covers the material, equipment, and labor required to construct or install equipment facilities or modifications.



ECDR E and C Drafting Activities associated with the preparation, revision, and maintenance of drawings. WM_EC Z240 Work Management E and C


ECED E and C Engineering and Design

Actions associated with preparation of calculations, specifications, general arrangement drawings, construction drawings, bid packages, system sizing, design and material requirements, surveying, studies, consulting, and procurement.



ECHM E Business Change Management

Manage implementation of internal policy, process and procedure changes necessary for effective and efficient integration of eBusiness initiatives into the organization.

EBUSINESS_DEVEL Z128 E Business Development EBUS_DEVELX Z628 E Business Development

ECOM E Business Communications Communicate with internal and external stakeholders. EBUSINESS_DEVEL Z128 E Business Development EBUS_DEVELX Z628 E Business Development

ECPM E and C Project Management Activities associated with oversight and guidance of large capital project management activities, including cost and schedule management, expediting, issue resolution, and engineering contractor management.



ECWP Equity CWIP An allowance to the company for internal funds used to finance Construction Work in Progress. This amount is credited on the income statement as an increase to the net income.



EDRU Rider Edr Uncollectibles No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalEDT1 Excess Demand Tier 1 ‐ DS6 This activity is used for monthly charges related to customers who elect to take service under distribution

service rate DS‐6. Tier 1 demand means a customer’s maximum demand in kilowatts during On‐Peak hours of any day during the current billing period when average temperature is equal to or greater than 78 degrees Fahrenheit but less than 83 degrees Fahrenheit. A Tier 1 demand charge can only be recorded on days within the temperature thresholds described above during the time period between May 15th and September 14th for each year.


EDT2 Excess Demand Tier 2 ‐ DS6 This activity is used for monthly charges related to customers who elect to take service under distribution service rate DS‐6. Tier 2 demand means customer’s maximum demand in kilowatts during On‐Peak hours of any day during the current billing period when average temperature is equal to or greater than 83 degrees Fahrenheit. A Tier 2 demand charge can only be recorded on days within the temperature thresholds described above during the time period between May 15th and September 14th of each year.


EDTE Drug Testing Captures costs related to administration of drug and alcohol testing programs. STF_EMP Z207 Staffing and Employment STF_EMPX Z707 Staffing and Employment

EEAC Electric Environmental Adj An adjustment factor to recover the costs of environmental activities (commonly referred to as Coal Tar Costs) from retail customers taking electric service. (Note: As of 1/2007, AmerenCILCO did not have this adjustment for electric customers.)


EEEA Rider EE ‐ Revenue Requirement Amort

To track the revenue requirement amortization for Rider EE. SALES Z205 Sales Total SALESX Z705 SalesX Total

EEEC Rider EE ‐ Electric Energy Efficiency Charge

Electric Energy Efficiency Charge represents the costs and collections related to SB2814 energy efficiency programs.


EECY Energy Efficiency To support energy efficiency policy development, planning and implementation. BUS_STRPLN Z109 Business and Strategic Planning


EEOC EEO Compliance This activity captures all tasks associated with the compliance of EEOC regulations and administration of employee investigations.

EMP_COMP Z131 Employment Compliance EMP_COMPX Z631 Employment Compliance

EEPC Energy Efficiency Program Chg


EESH ES and H Monitoring and Spec Studies

This activity covers labor and resource costs associated with special studies and monitoring to support corporate planning and facilities. Interface with customers, regulators and/or outside consultants to define work scope. Collect field data, analyze

ENVIR_MISC Z135 Environmental Misc ENVIR_MISCX Z635 Environmental Misc

EIMA Energy Infrastructure Modernization Act


EMES Ems Support Ems/Scada Support

Activities associated with the support of the EMS/SCADA systems. EMS_SUPPT Z133 Ems Support EMS_SUPPTX Z633 Ems Support

EMET E Business Metrics Develop and implement metrics to measure the effectiveness of eBusiness initiatives. EBUSINESS_DEVEL Z128 E Business Development EBUS_DEVELX Z628 E Business Development

EMEV Medical Evaluations This activity covers the resource costs associated with providing employee medical evaluations required by OSHA as well as utilizing external occupational medicine specialists for the evaluation of employees' abilities to perform the essential functions of their positions.


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EMTS Ems Support Equipment Test Testing activities performed to enhance system reliability. EMS_SUPPT Z133 Ems Support EMS_SUPPTX Z633 Ems Support

ENER Energy Portion of the charge for electric service based upon the electric energy consumed or billed. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


ENIS Energy Imbalance Service Debits or Credits provided when a difference occurs between the scheduled and the actual delivery of energy to a load located within a Control Area over a single hour.

TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

ENPE Environmental Permitting This activity covers the resource cost associated with obtaining and maintaining environmental permits and other approvals required for facility construction, modification, operation and maintenance in accordance with regulatory requirements, coordinating


ENRG Sch 10 Energy MISO administrative costs recovered on an energy basis for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX TotalENSU Environmental Enforcement

SportThis activity covers the labor and resource cost associated with responding to and negotiation with regulatory agencies on enforcement issues and supporting corporate and operating groups in resolution.


ENTH Energy Theft This activity captures all tasks associated with the administration, investigation, review, monitoring, and remediation of all theft of energy services by customers.

REV_PROT Z198 Revenue Protection REV_PROTX Z698 Revenue Protection

EPLN E Business Proj Planning and Mgmt

Plan and manage the development and implementation of eBusiness initiatives. EBUSINESS_DEVEL Z128 E Business Development EBUS_DEVELX Z628 E Business Development

EPME Misc Employee Programs Activities associated with labor for enrollment, recordkeeping, analysis and reporting related to the Company's benefit plans. Note this excludes administration of medical and dental benefits which is covered under another activity.



EPOL E Business Policies, Procedures and Stds

Develop policies, procedures and standards necessary for effective and efficient integration of eBusiness initiatives into the organization.


EPSA Service Awards The expenses associated with providing monetary or other awards to employees based on years of service. EMP_PGM_POL Z132 Employee Programs and Policies


EREE Recruiting and Employment External

Activities associated with interviewing prospective external resources, performing background investigations, and other activities related to locating and hiring consultants as well as ongoing followup.

STF_EMP Z207 Staffing and Employment STF_EMPX Z707 Staffing and Employment

EREI Recruiting and Employment Internal

Activities associated with interviewing prospective employees, performing background investigations, and other activities related to locating and hiring employees as well as providing new employee orientation.


ERES E Business Research Research developments in eBusiness in the utilities market as well as industry in general. Work with business units to evaluation potential opportunities.


ERMA Regulatory Rate Case Strategy

Activites associated with general strategy and administration of Gas and Electric rate cases, or rate filings including conferences and meetings.


ERPS Emergency Response Plan and Support

This activity covers the resource costs associated with developing, presenting and administering emergency response plans, procedures, and training programs for oil spills, chemical spills and fire protection. It also includes providing on‐site support i

EMER_RESP Z130 Emergency Response EMER_RESPX Z630 Emergency Response

ESCA ES and H Informal Compliance

This activity covers labor and resource costs associated with the Informal Compliance Assistance Program. This program provides for regular visits by environmental specialists to review compliance with regulations at over 130 Ameren facilities on an informal basis.


ESED Engineering Support Ed Apps This activity is for enginerring support for energy delivery computer applications. TD_SYS_ADMIN Z223 T and D System Administration


ESES ESOS Engineering Support This activity involves evaluation of ESOS technology options, systems design, definition of detailed technical specifications, and daily support of ESOS EMS/SCADA system operations.

ESOS ESOS ESOS Telecom ESOSX Z636 ESOS Telecom

ESGL Safety Glasses This activity covers labor and resource costs associated with providing prescription safety glasses as determined by company policy or labor contract.


ESHC ES and H Compliance Review and Sprt

This activity covers the resource cost associated with developing and implementing programs to monitor environmental compliance, identifying and advising where improvement or corrective action is needed, assisting in the development of solutions to problems


ESHS Env Safety and Health Svcs and Support

This activity covers the labor and resource cost associated with developing programs, procedures and training to interpret and communicate regulatory requirements to operating groups and coordinating with operating groups to develop cost effective implementation


ESIH ES and H Field Safety Health This activity covers labor and resource costs associated with Industrial Hygiene studies, monitoring, data collection, reporting and research required by safety and health regulations/policy in support of operating groups.


ESMC ESOS Maintenance Work performed on the ESOS EMS/SCADA system to either prevent failure or to restore the system to operation after a failure has occurred.


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ESMU ESOS Moves/Upgrades/Additions

This activity covers the resource costs associated with physically moving, adding, or upgrading ESOS EMS/SCADA system equipment.


ESSC Environmental On Site This activity covers labor and resource costs associated with providing on‐site environmental support to operations personnel. This activity code is to be used by ES&H department personnel specifically assigned to designated facilities.


ESSH Safety Shoes This activity covers the resource costs associated with providing safety shoes as determined by labor contract. ENVIR_MISC Z135 Environmental Misc ENVIR_MISCX Z635 Environmental Misc

EUCB Customer Billing and Reconciliation

Activities associated with billing and billing reconciliation for customers of gas end user transportation services. END_USER Z134 End User Transportation Svcs

END_USERX Z634 End User Transportation Svcs

EUDA Rate Design and Analysis Activities associated with rate design and analysis performed in support of gas end user transportation services. END_USER Z134 End User Transportation Svcs


EUNU Customer Nominations and Usage

Activities associated with collecting, managing, and administering gas customer nomination and usage. END_USER Z134 End User Transportation Svcs


EUPP Excess Usage Point to Point NEC 916 MISCELLANEOUS Z161 Miscellaneous Acctg Entries


EWEO Emergency and Outage Calls This activity includes work to respond to a customer contact. Such contacts could be due to a storm or accident or any other occurrence that leaves a customer without electric or gas service. Such occurrences could also result in limited service as in p

EMER_CALL Z129 Emergency Calls EMER_CALLX Z629 Emergency Calls

EWTA Architecture Enterprise Wide T

Attending meetings and performing other associated planning activities related to the Information Technology Enterprise Wide Technical Architecture process.

EWTAX Z137 Architecture Enterprise Wide T

EWTAXX Z637 Architecture Enterprise Wide T

FBFO Fuel Burned Base Load Fossil The cost of fuel used in the production of steam for the generation of electricity for base load. Also includes expenses in unloading fuel from the shipping media and handling thereof up to the point where the fuel enters the boiler plant structure.


FBNU Fuel Burned Base Load Nuclear

Amortization of the net cost of nuclear fuel assemblies used in the production of energy for base load. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

FCTG Contracted CTG OM Expenses associated with contracted, routine O & M services for Combustion Turbine Generators. Includes maintenance activities that normally recur at time intervals less than one year.


FENV Compliance Environmental Regulation

This activity captures expenditures necessary to comply with environmental regulations. Examples would be asbestos abatement and disposal, lamp waste disposal, lead abatement, pcb disposal.

FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FEPC FERC Electric Program Costs An annual assessment from FERC passed on through MISO Sch 10 charges for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

FERC External Reporting FERC The labor involved in preparing financial and other reports for the Federal Energy Regulatory Commission. RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting External

FFEN Financially Firm Energy An energy transaction with a customer whereas delivery is required for an agreed upon price regardless of any supplier cost or system problems which may arise. In this type of transaction the supplying utility must deliver or pay damages.



FFP1 Auction FTR FP1 This activity is used for financial transmission rights (FTRs) related to the Post 2006 auction process for product FP (first interval).


FFP2 Auction FTR FP2 This activity is used for financial transmission rights (FTRs) related to the Post 2006 auction process for product FP (second interval).


FFP3 Auction FTR FP3 This activity is used for financial transmission rights (FTRs) related to the Post 2006 auction process for product FP (third interval).


FGMA Garage Maintenance This is a general activity intended to capture all garage building and garage equipment maintenance, custodial and janitorial tasks when it is not more feasible to charge such work to a more specific activity.

FLT_MGMT Z139 Fleet Management FLT_MGMTX Z639 Fleet Management

FHVC HVAC Maintenance Corrective

This activity captures all tasks associated with the corrective maintenance, investigation, repair, to HVAC equipment in Company operated buildings or facilities.


FHVM HVAC Mtce Mod and Install Activities associated with O&M modification/installation of HVAC building systems. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FHVP HVAC Mtce Preventive This activity captures all tasks associated with preventive maintenance to HVAC equipment in Company operated buildings or facilities.


FILT Financing Long Term Activities associated with financing or refinancing of long term debt for Ameren or it's affiliates. This includes regulatory filings, testimony, underwriters' fees, and on‐going remarketing and auction costs for floating rate debt issuances. This also


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FINL Financial Transaction Settlements

Activities associated with financial transaction settlements. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

FIST Financing Short Term Activities associated with maintaining short term borrowing capacity for both Ameren Corporation and the individual business units. This includes committed credit lines and revolving credit facilities.


FLFP Auction FTR LFP This activity is used for financial transmission rights (FTRs) related to the Post 2006 auction process for product LFP.


FLOW Flow thru Comp of Bgs Unbilled

To capture the flow‐thru component of BGS unbilled. SALES Z205 Sales Total SALESX Z705 SalesX Total

FMAM Ash Marketing Activities required to market ash. Major activities include market development, customer contacts, and sales contract negotiation.


FMBO Building Operations This activity captures all resource costs associated with the operation of company owned or operating buildings including rentals, utilities, and any other building non‐maintenance cost not included in another activity.


FMCO Cafeteria Operations This activity covers the operating and maintenance costs associated with operating the Ameren GOB cafeteria. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FMCP Cafeteria Mtce Preventive This activity covers the preventive maintenance costs associated with operating the Ameren GOB cafeteria. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FMCR Building Mtce Corrective This activity captures all tasks associated with the general maintenance and repairs to Company owned or operated buildings.


FMFE Facilities Engineering Engineering of a general nature relating to facilities operations & maintenance, including HVAC, roofing, paving, electrical systems, etc.


FMFI Facility Improvements Activities associated with installation of capital projects. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities MgmtFMGM Building General

MaintenanceThis activity captures all tasks associated with the general maintenance and repairs to Company owned or operated buildings.


FMHS Building Mtce Honeywell System

Activities associated with operation and maintenance of the Honeywell Building Management System. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FMJA Janitorial Activities associated with routine janitorial or housekeeping services to maintain Company facilities in a safe and sanitary manner. Includes but not limited to daily cleaning and trash collection.


FMLA Family and Medical Leave Act Administration of the Family and Medical Leave Act and processing of the Sick Leave Control Agreement forms, 4801's, for the entire corporation.


FMMG Mowing and Groundskeeping

Activities associated with routine groundskeeping services necessary to maintain Company facilities in a safe and eye‐pleasing manner. Includes, but is not limited to: mowing, landscaping, etc.


FMMI Building Mtce Mod and Install

Activities associated with O&M modification/installation of non‐HVAC building systems. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FMPA Building Mtce Painting This activity captures all costs associated with painting the interior or exterior of Company owned or operated buildings.


FMPR Building Mtce Preventive This activity captures all tasks associated with preventive maintenance to Company owned or operated buildings. This activity excludes HVAC maintenance or any type of corrective maintenance.


FMPV Building Maintenance Paving This activity captures all costs associated with paving walkways or roadways at Company owned or operated buildings.


FMRM Office Relocation and Modification

Activities associated with employee time, expenses and other costs related to movement of employee offices and modifications to those offices or facilities.


FMRO Building Maintenance Roofing

This activity captures all costs associated with repairing roofs on Company owned or operated buildings. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

FMSP Space Planning Activities associated with planning, lay‐out, and reconfiguring office space and movable partitions and or work stations.


FMSR Snow Removal This activity covers the labor or contractor costs to remove snow from walks and roads that are part of Company owned or operated buildings or other facilities.


FMTL Facility Mgmt Tower Leasing Activities associated with the leasing of communications towers, transmission towers and distribution poles to communication service providers and other entities


FMWM Waste Management and Recycling

Activities associated with supporting, developing, identifying, evaluating, measuring, and implementing specific processes related to procurement, use recycle and disposal of products and materials to minimize pollution.


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FRIN Fraud Investigation This activity captures all tasks associated with the administration, investigation, review, monitoring, and remediation of attempts by customer or other parties to use electronic or other non‐physical means to steal energy or reduce the price paid for it from the Company


FRTP Auction FTR RTP This activity is used for financial transmission rights (FTRs) related to the Post 2006 auction process for product RTP.


FTOP Fuel Trans Operations Activities required to arrange for the delivery of fuel (coal and alternate fuels excluding pet coke and oil) and feedstock to the plants. Major activities include operational coordination.

FUEL_TRAN Z142 Fuel Transportation FUEL_TRANX Z642 Fuel Transportation

FTPA Fuel Trans Planning and Admin

Activities required to identify transportation logistical needs for the delivery of fuel (coal and alternate fuels excluding pet coke and oil) to the plants and verify compliance with existing contracts and monitor performance. Major activities include t


FTPR Fuel Trans Procurement Activities required to procure resources to transport fuel (coal and alternate fuels excluding pet coke and oil) and feedstock to the plants. Major activities include contract negotiation and RFP's.


FTRR Firm Transport Reservation No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

FTTM Telecom Tower Mtce and Inspection

Activity for the costs & labor associated with the inspection and the maintenance of Telecommunications towers.


FUOT Fuel Other The cost delivered at the station of all fuel used in other power generation. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

FVDR Vehicle Damage Repairs This activity captures all tasks associated with the body and other damage repair work performed on Company fleet vehicles which is the result of either a collision or abnormal wear and tear. Minor vehicle repairs or those required due to normal wear and tear


FVIC Vehicle Inspections Contract This activity covers the labor and other resource costs to perform vehicle inspections required by the bargaining unit agreement.


FVIR Vehicle Inspections Regulation

This activity covers the labor and other resource costs to perform vehicle inspections required by state or federal regulation.


FVMC Vehicle Mtce Corrective This activity captures all tasks associated with maintenance work to repair broken or worn out parts and body repairs due to either rust or normal wear and tear performed on Company fleet vehicles and which is required to keep the vehicles operating safely


FVMP Petroleum This activity captures all tasks associated with the fueling of vehicles. This includes the purchase of fuel and the administration of a fueling program.


FVOT Vehicle Other This activity captures labor and resource costs not directly associated with maintenance or repairs performed on Company vehicles. Examples of items that should be included are vehicle licenses, vehicle fuel, or other miscellaneous operating costs direct


GAES Governmental Advocacy ES and H

This activity covers the resource costs associated with monitoring and reviewing federal, state and local environmental, safety and health laws and regulations affecting Company operations. It also includes influencing as appropriate these laws and regulations



GBMA Benchmarking Activities All activities associated with benchmarking activities in support of the GBP. GEN_BUSINESS_PL Z146 Generation Business Plan GEN_BUS_PLANX Z646 Generation Business Plan

GCAC Reg Compliance Atmsopheric Corrosion

Atmospheric corrosion activities done as part of the gas regulatory compliance program. TD_REG_COMP Z222 T and D Regulatory Compliance


GCAG Govt Compliance Adjustment Gas


GCFC Gas Costs Fixed Costs No definition supplied. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

GCSS Gas Cap Release and Off System Sales

This activity captures resources for performing capacity releases, off‐system sales, and other non‐traditional trading activities.

GAS_SUPP_TRAD Z145 Gas Supply and Trading GAS_SUPP_TRADX Z645 Gas Supply and Trading

GCVC Gas Costs Variable Costs No definition supplied. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

GDSO Gas Daily System Operations Daily operation of gas supply including load forecasting, nominations, scheduling, storage mgt., balancing. GAS_SUPP_TRAD Z145 Gas Supply and Trading GAS_SUPP_TRADX Z645 Gas Supply and Trading

GEAC Environmental Actv Adj An adjustment factor to recover the costs of environmental activities from retail customers taking gas service. SALES Z205 Sales Total SALESX Z705 SalesX Total

GECP Rider Ger Charges Prior Per No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

GERC Rider Ger Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalGERU Rider Ger Uncollectible No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

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GEUP Rider Ger Uncollectible Prior Per


GGSP Gas Supply Planning This activity captures resources required for gas supply planning and gas supply portfolio management involving forecasting, system modeling, demand analysis, weather analysis, financial risk assessment associated with gas derivatives, etc.


GMCM Gas Scada MAS Comm Maint Work performed on the Gas SCADA MAS communication system to either prevent failure or to restore the system to operation after a failure has occurred.

GAS_SCADA Z143 Gas Scada Telecom GAS_SCADAX Z643 Gas Scada Telecom

GMES Gas Scada MAS Comm Eng Support

This activity involves evaluation of Gas SCADA MAS communication technology options, systems design, definition of technical specifications, and daily support of the Gas SCADA MAS communication system operations.


GMMU Gas Scada MAS Comm Move/Up/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading Gas SCADA MAS communication system equipment.


GPCA Gas Procurement Capacity All activities associated with the evaluation and procurement of pipeline and storage capacity. Includes capacity sourcing, invoice processing, contract negotiation, administration of capacity contracts, and any other matters directly related to transport


GPGG Gas Procurement Gas Generating

No definition supplied. GAS_SUPP_TRAD Z145 Gas Supply and Trading GAS_SUPP_TRADX Z645 Gas Supply and Trading

GPGS Gas Procurement Gas Supply All activities associated with the evaluation and procurement of gas supply. Includes gas supply trading (spot & term), invoice processing, contract negotiation, administration of gas supply contracts, and any other matters directly related to gas supply


GPID Plant Implementation Deliverables

All activities associated with the implementation of the GBP's task team deliverables GEN_BUSINESS_PL Z146 Generation Business Plan GEN_BUS_PLANX Z646 Generation Business Plan

GQIP Gas Qualified Infrastucture Plant

This activity is used to identify the revenue activitiy associated with the qualified infrastructure plant (QIP) rider.


GRAP Gas Res Assistance Program No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

GRTX Gross Receipts Tax Municipal gross receipts tax collected from electric and gas customers in the state of Missouri. SALES Z205 Sales Total SALESX Z705 SalesX TotalGSCG Gas Supply Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalGSES Gas Scada Engineering

SupportThis activity involves evaluation of Gas SCADA technology options, systems design, definition of technical specifications, and daily support of the Gas SCADA SCADA system operations.


GSMC Gas Scada Maintenance Work performed on the Gas SCADA system to either prevent failure or to restore the system to operation after a failure has occurred.


GSMU Gas Scada Moves/Upgrades/Adds

This activity covers the resource costs associated with physically moving, adding, or upgrading Gas SCADA system equipment.


GTDT Team Deliverable Training All activities assocaited with the required training on the new processes developed by the GBP Task Teams. GEN_BUSINESS_PL Z146 Generation Business Plan GEN_BUS_PLANX Z646 Generation Business Plan

GTFO Gas Transported for Others Revenue from transporting gas for other companies through the production, transmission, and distribution lines, or compressor stations of the utility.



GTTS Task Team Support of GBP All activities associated with the GBP team members efforts to design, build, implement and Business support team deliverables as defined in their team charter

GEN_BUSINESS_PL Z146 Generation Business Plan GEN_BUS_PLANX Z646 Generation Business Plan

GUAU Unauthorized Use No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalGVBA Gas Volume Balancing Adj An amount to be paid by GDS‐1 and GDS‐2 customers for the difference between the delivery service gas

charge and delivery service revenue recognition stipulated by the state. SALES Z205 Sales Total SALESX Z705 SalesX Total

HSEC HSS Energy Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalHSSC HSS Supplier Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalHSSM HSS Supply Cost Adj Market

SetNo definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

HSSP HSS Supply Cost Adj Procurement

A supply procurement adjustment adder (second of the three components that make up the Supply Cost Adjustment) associated with HSS service (hourly prices service for larger customers). This is money the company gets to keep to compensate for the Power Supply & Infrastructure Development group spending time and resources on power procurement activities.


HSSU HSS Supply Cost Adj Uncollectible

An uncollectibles adjustment adder (third of three components that make up the Supply Cost Adjustment) associated with HSS service (hourly prices service for larger customers). This is money the company keeps to establish the "included in rates" uncollectibles associated with hourly price supply. Not to be confused with the Rider EUA uncollectibles factors, which is really an over/under from what is shown in Account 904 and "included in rates" amounts (these are shown in UES8 and UNES).


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HSSW HSS Supply Cost Adj Working Capital

A cash working capital adjustment adder (one of the three components that make up the Supply Cost Adjustment) associated with HSS service (hourly prices service for larger customers). This is money the company keeps to compensate for the float between when the bills are paid to MISO and when cash is received from the customers.


HZMA Hazardous Materials Adj This adjustment addresses the recovery of costs related to the utility's asbestos liability. (Note: This adjustment has only been filed and approved for AmerenIP at this time.)


IAHS Project Instl for Air Heating Costs attributed to the labor, materials and equipment required to install systems or equipment for AIR HEATING.


IAPS Project Instl for Ash Pond System

Costs attributed to the labor, materials and equipment required to install systems or equipment for ASH POND SYSTEM.


IAXB Project Instl for Auxiliary Boiler

Costs attributed to the labor, materials and equipment required to install systems or equipment for AUXILIARY BOILER.


IAXS Project Instl for Auxiliary Steam

Costs attributed to the labor, materials and equipment required to install systems or equipment for AUXILIARY STEAM.


IBAR Project Instl for Bottom Ash Removal

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOTTOM ASH REMOVAL.


IBCC Project Instl for Boiler Chemical Cleaning

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER CHEMICAL CLNG.


IBCF Project Instl for Boiler Chemical Fd

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER CHEMICAL FEED AND SAMPLE.


IBCW Project Instl for Boiler Circ Water

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER CIRC WATER.


IBDS Project Instl for Boiler Dft System

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER DRAFT SYSTEM.


IBFW Project Instl for Boiler Feedwater

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER FEEDWATER.


IBLR Project Instl for Boiler Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER. WM_GEN Z241 Work Management Gen BLR BLR Boiler

IBME Project Instl for Boat and Marine Equip

Install for BOATS & MARINE EQUIPMENT. This activity is used to maintain a fleet of pontoon boats and trailers for our mosquito spraying operation each summer. This includes engine purchase and repair, and boat/trailer purchase and repair. It also includes


IBSB Project Instl for Boiler Startup Bypass

Costs attributed to the labor, materials and equipment required to install systems or equipment for BOILER STARTUP AND BYPASS.


IBYS Mtce Instl for Bldg Yard Structure

Costs attributed to the labor, materials and equipment required to install systems or equipment for BUILDINGS, YARDS & STRUCTURES.


ICAS Project Instl for Compressed Air

Costs attributed to the labor, materials and equipment required to install systems or equipment for COMPRESSED AIR.


ICCL Internal Compliance Control Activities associated with maintaining the controls between financial systems as well as maintaining current procedures in the finance area.



ICCS ICC Supplemental Gas Charge This activity will be used to track CSS billings/refunds related to the AIC Supplemental Gas Charge Rider. AIC is required to pay a supplemental fee to help fund the ICC. The gas portion of the fee is part of the rider. The electric portion runs through formula rates. AIC will track gas billings/refunds containing activity ICCS against payments to develop an over/under related to the rider.


ICFS Project Instl for Cyclone Fuel Costs attributed to the labor, materials and equipment required to install systems or equipment for CYCLONE FUEL.


ICHP Project Instl for Coal Handling

Costs attributed to the labor, materials and equipment required to install systems or equipment for PLANT COAL HANDLING.


ICOM Project Instl for Communications

Costs attributed to the labor, materials and equipment required to install systems or equipment for COMMUNICATIONS.


ICON Project Instl for Condensesr and Aux

Costs attributed to the labor, materials and equipment required to install systems or equipment for CONDENSER AND AUXILIARIES.


ICRC Project Instl for Coal Reclaim Costs attributed to the labor, materials and equipment required to install systems or equipment for COAL RECLAIM.


ICRS Project Instl for Coal Receiving

Costs attributed to the labor, materials and equipment required to install systems or equipment for COAL RECEIVING.


ICSF Individual CSF Rate Amount received through the Contingency Supply Factor for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

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ICTA Invested Capital Tax Charge This activity will be used to track CSS billings related to the AIC Invested Capital Tax Cost Adjustment (ICTA) Rider. "The Public Utilities Act" (Act) authorizes a public utility to charge its Customers, an additional charge equal to the total amount of certain taxes; Gas Revenue Tax and Gross Revenue (Public Utility Fund) Tax. This relates to gas only at AIC.


ICTG Project Instl for Ct Gen Costs attributed to the labor, materials and equipment required to install systems or equipment for COMBUSTION TURBINE GENERATOR.


ICWS Project Instl for Circ Water Costs attributed to the labor, materials and equipment required to install systems or equipment for CIRCULATING WATER.


IDDI Dividend Disbursement This activity captures costs associated with the calculation and payment of dividends and interest on common stock, preferred stock, and bonds.

INV_SRV Z150 Investor Services INV_SRVX Z650 Investor Services

IDEM Project Instl for Demin Costs attributed to the labor, materials and equipment required to install systems or equipment for DEMINERALIZER.


IDRP Dividend Reinvestment Plan Admin

This activity captures all costs associated with the administration and maintenance of the dividend reinvestment plan.


IEAD Escheatment Admin This activity captures costs associated with administration and maintenance of lost stockholders. INV_SRV Z150 Investor Services INV_SRVX Z650 Investor ServicesIEDT Illinois Electric Dist Tax The Illinois Electric Distribution Tax, a component of the Tax Additions tariff, is designed to recover the IEDT tax

obligation using prices established in a rate case. There is no true‐up. This is margin the company keeps. It is currently not a part of the revenue requirement (but it is for ComEd). It is assessed on a separate line item on customers' bills. It is similar to the Distribution Delivery Charge (DSDL) within our DS tariffs in the way it operates.


IEGS Project Instl for Emergency Generator

Costs attributed to the labor, materials and equipment required to install systems or equipment for EMERGENCY / LETDOWN GENERATOR.


IELV Project Instl for Elev, Cranes and Hoists

Costs attributed to the labor, materials and equipment required to install systems or equipment for ELEVATORS, CRANES AND HOISTS.


IEXS Project Instl for Extraction Steam

Costs attributed to the labor, materials and equipment required to install systems or equipment for EXTRACTION STEAM.


IFAC Transmission Interconnection Facility

This activity code will capture expense and revenue payments that various Ameren companies make/receive for Transmission Interconnection Facility use with other companies.


IFAR Project Instl for Flyash Removal

Costs attributed to the labor, materials and equipment required to install systems or equipment for FLYASH REMOVAL.


IFCS Project Instl for Flood Cntl Sys

Costs attributed to the labor, materials and equipment required to install systems or equipment for FLOOD CONTROL SYSTEM‐GENERAL.


IFGC Project Instl for Flue Gas Conditioning

Costs attributed to the labor, materials and equipment required to install systems or equipment for FLUE GAS CONDITIONING.


IFGD Project Instl for Fuel Gas Delivery

Costs attributed to the labor, materials and equipment required to install systems or equipment for FUEL GAS DELIVERY SYSTEMS.


IFPS Project Instl for Fire Protection

Costs attributed to the labor, materials and equipment required to install systems or equipment for FIRE PROTECTION.


IGCE Project Instl for Governor Cntl Equip

Costs attributed to the labor, materials and equipment required to install systems or equipment for GOVERNOR CONTROL EQUIPMENT.


IGEN Project Instl for Main Generator

Costs attributed to the labor, materials and equipment required to install systems or equipment for MAIN GENERATOR.


IGIB Project Instl for Instr and Ctrl Boiler

Costs attributed to the labor, materials and equipment required to install systems or equipment for INSTRUMENTS AND CONTROLS ‐ BOILER.


IGIC Project Instl for Gen Instr and Ctrl

Costs attributed to the labor, materials and equipment required to install systems or equipment for GENERAL INSTRUMENT AND CONTROLS.


IGIE Project Instl for Instr and Ctrl Electrical

Costs attributed to the labor, materials and equipment required to install systems or equipment for INSTRUMENTS & CONTROLS ‐ ELECTRICAL.


IHGT Project Instl for Turbine Generator

Costs attributed to the labor, materials and equipment required to install systems or equipment for TURBINE GENERATOR.


IHRG Project Instl for Heat Recov Steam

Costs attributed to the labor, materials and equipment required to install systems or equipment for HEAT RECOVERY STEAM GENERATOR.


IHVA Project Instl for HVAC Costs attributed to the labor, materials and equipment required to install systems or equipment for HEATING, VENTILATION AND A/C.


IHYD Project Instl for Hydro Plant Costs attributed to the labor, materials and equipment required to install systems or equipment for HYDRO PLANT.


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IICO Investor Correspondence Captures costs related to administration and maintenance of telephone and written inquiries from investors. INV_SRV Z150 Investor Services INV_SRVX Z650 Investor Services

IJAW Project Instl for Jacket and Aux Clng

Costs attributed to the labor, materials and equipment required to install systems or equipment for JACKET/AUXILIARY COOLING.


ILAA Illinois Auction Ancillary Chg This activity will contain charges related to the Illinois Auction Ancillary charges. MISO_RROA Z162 MISO_RROA Related Processes


ILAB Project Instl for Lab and Test Equip

Costs attributed to the labor, materials and equipment required to install systems or equipment for LABORATORY AND TEST EQUIPMENT.


ILSW Illinois Swap Settlement No definition supplied. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


ILTG Project Instl for Lighting Costs attributed to the labor, materials and equipment required to install systems or equipment for LIGHTING. WM_GEN Z241 Work Management Gen LTG LTG Lighting

IMIS Project Instl for Misc Costs attributed to the labor, materials and equipment required to install systems or equipment for MISCELLANEOUS.


IMPR Project Instl for Pyrite Rmvl Costs attributed to the labor, materials and equipment required to install systems or equipment for MILL PYRITE REMOVAL.


IMPT Illinois Municipal Percent Tax This activity will be used to track the Illinois Municipal Percent Tax. SALES Z205 Sales Total SALESX Z705 SalesX Total

IMVF Individual MVAF Rate Amount received through the Market Value Adjustment Factor for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX TotalINEX External Investigations This activity captures all tasks associated with the administration, review, and monitoring of external

investigations.INVESTIG Z151 Investigations INVESTIGX Z651 Investigations

ININ Internal Investigations This activity captures all tasks associated with the administration, review, and monitoring of internal investigations.

INVESTIG Z151 Investigations INVESTIGX Z651 Investigations

INTR Individual Tree Replacement This activity is for payments to individuals to support tree replacement programs. CORP_COMM_SVC Z119 Corp Communications Svcs Misc


INVA Inventory Adjustments All costs associated with inventory write‐off. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresINVO Inventory Adjustments

ObsoleteThis activity code will be used to capture the adjustments for obsolete inventory. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

IOAR Project Instl for Other Ash Rmvl

Costs attributed to the labor, materials and equipment required to install systems or equipment for OTHER ASH REMOVAL.


IOFS Project Instl for Other Fuel Support

Costs attributed to the labor, materials and equipment required to install systems or equipment for OTHER FUEL SUPPLY.


IONP Cut In and Cut Out Np Activities associated with the physical connection and disconnection of electric and gas services in the field for customers with delinquent account balances.


IOSC Project Instl for Oil Storage Costs attributed to the labor, materials and equipment required to install systems or equipment for OIL STORAGE AND CONDITIONING.


IPBK Project Instl Pumpback Related Systems

Costs attributed to the labor, materials and equipment required to install systems or equipment for PUMPBACK RELATED SYSTEMS.


IPBS Project Instl for Pumpback Statio

Costs attributed to the labor, materials and equipment required to install systems or equipment for PUMPBACK STATIONS.


IPCB Project Instl for PCB Retrofil Costs attributed to the labor, materials and equipment required to install systems or equipment for PCB RETROFILLING.


IPDW Project Instl for Potable Water

Costs attributed to the labor, materials and equipment required to install systems or equipment for DOMESTIC / POTABLE WATER.


IPFS Project Instl for Pulverized Fuel

Costs attributed to the labor, materials and equipment required to install systems or equipment for PULVERIZED FUEL.


IPMS Project Instl for Pollution Monitoring

Costs attributed to the labor, materials and equipment required to install systems or equipment for POLLUTION MONITORING.


IPRC Project Instl for Precipitator Costs attributed to the labor, materials and equipment required to install systems or equipment for PRECIPITATOR.


IPWT Project Instl for Primary Water Trtmt

Costs attributed to the labor, materials and equipment required to install systems or equipment for PRIMARY WATER TREATMENT.


IRAI Advertising Investor This activity includes the labor, expenses, and outside consultant fee associated with the creation of advertising to shareholders and prospective shareholders.

INV_REL Z149 Investor Relations INV_RELX Z649 Investor Relations

IRIC Investor Communications This activity captures the cost of responding to analyst's requests, calls, and other inquiries. INV_REL Z149 Investor Relations INV_RELX Z649 Investor RelationsIRPR Investor Relations

PresentationsCaptures costs related to trips and presentations for investor relations. INV_REL Z149 Investor Relations INV_RELX Z649 Investor Relations

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IRRI Project Instl Rich Reagent Injection

Costs attributed to the labor, materials and equipment required to install systems or equipment for RICH REAGENT INJECTION SYSTEM.


IRS2 Infrastructure Replacemt Chg 0808

Activity to track the infrastructure replacement surcharge on customer's bills. SALES Z205 Sales Total SALESX Z705 SalesX Total





IRS5 Infrastructure Replacement Chg 0713


IRWS Project Instl for Raw Water System

Costs attributed to the labor, materials and equipment required to install systems or equipment for RAW WATER SYSTEM.


ISAS Distribution Is Apps/Operations Support

This activity is for Energy Delivery operational system analysis. TD_SYS_ADMIN Z223 T and D System Administration


ISBS Project Instl for Soot Blowing Costs attributed to the labor, materials and equipment required to install systems or equipment for SOOT BLOWING.


ISFA Project Instl for Safety First Aid

Costs attributed to the labor, materials and equipment required to install systems or equipment for SAFETY AND FIRST AID.


ISFO Fuel Burn Interchg Sales Fossil

The cost of fuel used in the production of steam for the generation of electricity for interchange sales. Also includes expenses in unloading fuel from the shipping media and handling thereof up to the point where the fuel enters the boiler plant structure


ISGU Illinois State Gas Use Tax No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalISNU Fuel Burn Interchg Sales

NuclearAmortization of the net cost of nuclear fuel assemblies used in the production of energy for interchange sales. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased

PowerISPA External Audit Fees and

ConsultingActivities associated with projects and programs specific to one or more functions, where there is a need to identify and track related time and expenses. This activity requires user definition as appropriate. No new definition provided after activity name change.

AUDIT Z104 Auditing Services AUDITX Z604 Auditing Services

ISRS Infrastructure Replacemt Surcharge


ISSD Project Instl for Sanitary Sewage Disp

Costs attributed to the labor, materials and equipment required to install systems or equipment for SANITARY SEWAGE DISPOSAL.


ISSE Project Instl for Station Svc Elec

Costs attributed to the labor, materials and equipment required to install systems or equipment for STATION SERVICE ELECTRICAL.


ISSF Interchange Sales Set Fossil Fossil Fuels ‐ Fuel cost to supply energy transfers under the joint dispatch agreement. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

ISSN Interchange Sales Set Nuclear

Nuclear Fuels ‐ Fuel cost to supply energy transfers under the joint dispatch agreement. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

ISTE Project Instl for Steam Plant Costs attributed to the labor, materials and equipment required to install systems or equipment for STEAM PLANT.


ISTR Stock Transfers Activities associated with the transfer of company stock from a plan or shareholder and the administrative costs associated with it.


ISTU Illinois State Tax Usage Therms


ISYE Project Instl for Switchyard Costs attributed to the labor, materials and equipment required to install systems or equipment for SWITCHYARD.


ITCS IT Cloud Services & Support Activity to track the labor and non‐labor costs associated with the subscription/usages fees of cloud based solutions & products and the support of various cloud environments operated by Ameren. The activity should not be used for solutions where the vendor is providing and managing the cloud environments.



ITDA IT Dept Admin Duties Activities associated with the performance of Department Admin duties, to include user administration, data calls, server management & other misc. tasks.

IT_SS Z152 IT Support Services IT_SSX Z652 IT Support Services

ITDT Develpmt Tools Testing and Install

Activities associated with the evaluation, testing and installation of development tool software such as SQL Builder, PVCS, and the like that are either upgrades to existing tools or new tools to be used by Information Technology to develop, enhance or ma


ITEC IT EDI and EC Support and Integration

This activity captures the maintenance of new EC technologies awareness and how they may be applied within Ameren, as well as promotion and education of EC to various user groups within and outside of Ameren. Operations & maintenance of the enterprise EC


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ITGE IT Generation Process Support

Activities performed by IT staff in support of non‐business systems at the power plants. IT_SS Z152 IT Support Services IT_SSX Z652 IT Support Services

ITHD IT Service Desk Activities associated with fielding, logging, researching, and responding to inquiries from IT system users, passing on problems to technical experts for resolution, and maintaining Service Desk procedures. (Level I)


ITIS Internal IT Technical Support This activity captures the resource cost to provide support to personnel within the IT Department for both mainframe and client server applications and other types of support.


ITMS IT Project Management Support

Activities associated with the development, implementation, and training of project management processes and tools to allow IT project leaders to more accurately plan and execute projects.


ITNT New Technology Research This activity captures the resource cost to research and potentially test new types of information technology that could potentially benefit the corporation as a whole.


ITOL Project Instl for Tools and Equip

Costs attributed to the labor, materials and equipment required to install systems or equipment for TOOLS AND EQUIPMENT.


ITOS IT Outage Support Activities performed by IT staff in support of the ramp‐up and support of additional staff and equipment deployed to support a major outage.


ITPA IT Problem Analysis and Research

Activities performed by technical experts in problem determination and resolution. (Level 2 & 3) IT_SS Z152 IT Support Services IT_SSX Z652 IT Support Services

ITPE Phone Equip Desktop Support

Activities involving routine installation of telecommunications equipment, connections, and upgrades along with hardware repairs including receiving trouble calls/reports.


ITPL IT Planning This activity includes 1) joint planning with Ameren business lines to align IT efforts with business line goals and objectives; 2) tactical IT planning to allocate resources, prioritize work activities and develop IT budgets; 3) strategic IT planning to


ITPM IT Project Management Activities associated with oversight and guidance for IT related projects including cost and schedule management, expediting, issue resolution, and contractor management.


ITRB Project Instl for Main Turbine Costs attributed to the labor, materials and equipment required to install systems or equipment for MAIN TURBINE.


ITSM IT Service Management Activities directed by policies, organized and structured in processes and supporting procedures that are performed by an organization or part of an organization to plan, deliver, operate and control IT services offered to customers. It is thus concerned with the implementation of quality IT services that meet the needs of customers, and is performed by the IT service provider through an appropriate mix of people, process and information technology. This includes: change management, software asset management, problem management, and incident management to include a few.


ITSS IT Special Studies and Projects

This activity will cover short‐term projects initiated by the IT lead team in direct response to a critical tactical issue. Feasibility study efforts conducted prior to the start of a project are also charged to this activity.


IVGP Illinois Voluntary Green Program


IVME Project Instl for Mobile Equip Costs attributed to the labor, materials and equipment required to install systems or equipment for VEHICLES AND MOBILE EQUIPMENT.


IWEL Project Instl for Well Water Costs attributed to the labor, materials and equipment required to install systems or equipment for WELL WATER.


IWTP Project Instl for Water Treatment

Costs attributed to the labor, materials and equipment required to install systems or equipment for WATER TREATMENT.


IWWS Project Instl for Waste Water Costs attributed to the labor, materials and equipment required to install systems or equipment for WASTE WATER.


L1SS Sec All General Stn Support All activities associated with managing access control, providing physical security, managing security regulatory and administrative matters, and protecting plant resources and public safety. Also includes response to alarms and administering/participati

NUC7_LP Z173 Nuclear Loss Prevention L1 LP1 Provide Security Measures

L2SS Perf Imp All Gen Stn Support All activities taken to verify effectiveness and compliance with regulations and codes, including those in support of internal decisions which assist in assuring compliance. This action would include any activities taken to identify, make root cause dete

NUC7_LP Z173 Nuclear Loss Prevention L2 LP2 Mon Performance and Compliance

L3SS Safety All General Stn Support

All activities related to the preparation, research and interpretation of regulations, and implementation of safety procedures, industrial hygiene programs, medical services and hazardous materials response service for STATION SUPPORT ‐ NUC

NUC7_LP Z173 Nuclear Loss Prevention L3 LP3 Provide Safety Services

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L4SS Reg Com All Gen Stn Support All activities associated with obtaining and maintaining environmental permits, managing regulatory (NRC and non‐NRC) relationships, obtaining and maintaining the operating license, providing regulatory guidance and interpretation, monitoring and evaluating

NUC7_LP Z173 Nuclear Loss Prevention L4 LP4 Maintain Licenses and Permits

L5SS Emergency Ops All Gen Stn Support

All activities associated with developing, conducting and supporting Emergency Preparedness (EP) plan, and maintenance of equipment. Includes all costs associated with EP training, drills, rehearsals and graded exercises for STATION SUPPORT ‐ NUC.

NUC7_LP Z173 Nuclear Loss Prevention L5 LP5 Perform Emergency Planning

L6SS Fire Protection All Gen Stn Support

All activities associated with developing, conducting and supporting Fire Protection. Administration of plant fire protection programs in accordance with NFPA codes, NML, NRC and technical specification requirements, including such activities as control of

NUC7_LP Z173 Nuclear Loss Prevention L6 LP6 Provide Fire Protection

LAPV Load and Price Volatility Perform load and price volatility modeling to develop strategies for forward commodity hedging, BUS_STRPLN Z109 Business and Strategic Planning


LBCC Litigation Bankruptcy and Credit and Coll

This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company bankruptcy and credit and collection litigation issues.

LIT_MGMT Z157 Litigation Mgmt LIT_MGMTX Z657 Litigation Mgmt

LBSV Lab Services Loading This activity captures all costs associated with the lab services loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


LCON Litigation Contracts This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company contractual litigation issues.


LCRP Legal Corporate Services This activity captures all activities performed by the legal department to provide support on corporate matters including: securities regulation, corporate governance and financings.

LGL_SRV Z156 Legal Services LGL_SRVX Z656 Legal Services

LCSF Litigation Corp Sec and Finance

This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company SEC and financing litigation issues.


LCSS Security for Stn Support Gen All activities associated with managing access control, providing physical security, managing security regulatory and administrative matters, and protecting plant resources and public safety. Also includes response to alarms and administering/participati

LOSS_PREV_GEN Z158 Loss Prevention Gen ADMIN_SS_LPRV Z658 Admin Station Support Lprv

LENV Legal Environmental Services This activity captures all activities performed by the legal department to provide support in environmental matters including: regulatory compliance, litigation and transaction support.


LESS Emergency Ops for Stn Support Gen

All activities associated with developing, conducting and supporting Emergency Preparedness (EP) plan, and maintenance of equipment. Includes all costs associated with EP training, drills, rehearsals and graded exercises for STATION SUPPORT.


LFED Legal Federal Regulatory Other

Activities associated with the legal fees and settlement costs related to representing the Company before federal regulatory agencies other than FERC. Examples of such agencies include: NLRB, DOJ, OSHA, FCC, STB, etc.

LGL_REG_REL Z155 Legal Regulatory Relations LGL_REG_RELX Z655 Legal Regulatory Relations

LFRG Legal Federal Regulatory Services

This activity captures all activities performed by the legal department to provide federal regulatory services to Ameren and its subsidiaries to include: representation of the Company before the Federal Energy Regulatory Commission in rate matters, complaints, tariff filings and other docketed matters as well as FERC compliance related matters.


LFSS Fire Protection for Stn Support Gen

All activities associated with developing, conducting and supporting Fire Protection. Administration of plant fire protection programs in accordance with NFPA codes, NML, NRC and technical specification requirements, including such activities as control of


LGCA Local Government Compliance Charge


LGEN Litigation General This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees for litigation when it is not feasible to charge to a more specific activity.


LGTC Lighting Charge Illinois taxes on electric energy usage ‐ not the charges. This function is being used to flag charges for non‐lighting components that are not eligible for municipal discounts.


LIHR Litigation Human Resources This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Human Resources litigation issues.


LINS Litigation Insurance This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Insurance litigation issues.


LIPR Litigation Intellectual Prop This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company intellectual property litigation issues.


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LIRE Litigation Industrial Relatn This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Industrial Relations litigation issues.


LLBR Legal Labor and Employment Svcs

This activity captures all activities performed by the legal department for labor and employment matters including providing strategic legal advice related to negotiations, union avoidance, re‐organizations, monitoring arbitrations, defending EEO charges and employment related litigation and employment related policies, agreements and contracts, providing counsel and advice on ADA, FMLA, USERRA, WARN Act, FLSA, state wage‐hour laws, DOT, OSHA, discipline and discharge, employment benefits, unemployment and immigration.


LMAD Litigation M and A, Divestitures

This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company mergers & acquisitions and divestitures.


LMGT Litigation Management This activity captures all tasks associated with the administration, development, review, investigation, filing, legal counsel fees and settlements for the following litigation services: bankruptcy, credit & collection, contracts, corporate securities & financings, intellectual property, mergers/acquisitions & divestitures, municipal, nuclear, real estate and any other type of general litigation service not listed above.


LMLS Land Sales Captures all costs for disposal/sale of Company property. LAND_MGMT Z153 Land Management LAND_MGMTX Z653 Land ManagementLMPM Property Management Activities associated with oversight and guidance of Company properties, including cost and scheduled

management, expediting, issue resolution, contractor management and responses to external data requests.LAND_MGMT Z153 Land Management LAND_MGMTX Z653 Land Management

LMPR Property Rental Mgmt This activity captures both the labor and other resource costs associated with managing rental income producing property along with the revenues received from third parties renting Ameren land or facilities.

LAND_MGMT Z153 Land Management LAND_MGMTX Z653 Land Management

LMUN Litigation Municipal Activities associated with the legal counsel fees and settlement costs related to representing the Company regarding municipal litigation issues.


LNUC Litigation Nuclear This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company nuclear litigation issues.


LPSS Perf Imprvmt for Stn Support Gen

All activities taken to verify effectiveness and compliance with regulations and codes, including those in support of internal decisions which assist in assuring compliance. This action would include any activities taken to identify, make root cause dete


LRES Litigation Real Estate This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Real Estate litigation issues.


LRGE Legal Regulatory Services This activity captures all tasks associated with the administration, development, review, investigation, filing, legal counsel fees and settlements for the following regulatory services: federal (to include FERC, SEC, NLRB, DOJ, OSHA, STB, etc.) and state ( to include Missouri and Illinois agencies).


LRPE Land Rights Permitting Activities associated with acquiring various types of land use permits such as construction, zoning, special use permits, highway permits and the like. Environmental or other non‐land use permitting are not covered by this activity.

LAND_RTS Z154 Land Rights LAND_RTSX Z654 Land Rights

LRRE Row and Easements Captures costs related to acquisition of land rights for electric and gas distribution and transmission right of way, including but not limited to the costs of route selection, property right acquisition and contract negotiations.


LRSA Site Acquisition Captures all costs related to acquisition of non‐right of way land rights for Company projects including but not limited to the costs of site selection, property right acquisition and contract negotiations.


LRSS Reg Controls for Stn Support All activities associated with obtaining and maintaining environmental permits, managing regulatory (NRC and non‐NRC) relationships, obtaining and maintaining the operating license, providing regulatory guidance and interpretation, monitoring and evaluating


LSBC Legal Bankruptcy and Credit and Coll

This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company bankruptcy and credit & collection issues.


LSCO Legal Contracts This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company contractual issues.


LSEC Legal SEC Regulatory Activities associated with the legal fees and settlement costs related to representing the Company before the SEC.


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LSEN Legal Environmental The activities associated with providing legal counsel on regulatory and compliance environmental issues generated by the electric and gas operating areas.


LSGE Legal General This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees when it is not feasible to charge to a more specific activity.


LSHR Legal Human Resources This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Human Resource issues.


LSIP Legal Intellectual Property This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to company intellectual property issues.


LSIR Legal Industrial Relations This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company Industrial Relations issues.


LSMD Legal M and A, Divestitures This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company mergers and acquisitions and divestitures.


LSMU Legal Municipal Activities associated with the legal counsel fees and settlement costs related to representing the Company regarding municipal issues.


LSNU Legal Nuclear This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company nuclear issues.


LSRE Legal Real Estate This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company real estate issues.


LSSF Legal Corp Sec and Financing This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company corporate issues up to and including SEC and financing issues.


LSSS Safety Svcs for Stn Support Gen

All activities related to the preparation, research and interpretation of regulations, and implementation of safety procedures, industrial hygiene programs, medical services and hazardous materials response service for STATION SUPPORT.


LSTR Legal State Regulatory Services

This activity captures all activities performed by the legal department to provide state regulatory services to Missouri and Illinois to include: representation of the Company before the MPSC and/or ICC in rate matters, customer complaints, tariff filings and other docketed matters.


LTRS Legal Transactional Services This activity captures all activities performed by the legal department to provide transaction support to include certain M&A, real estate, credit & collection, nuclear, coop & municipal, commodity trading, interconnection agreements and fuel & transportaion services.


LUCA Lg Use Del Chg Adder System No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

M1SS Inv Mgmt All Gen Stn Support

All activities relating to the identification, tracking, and stock level maintenance of warehoused materials prior to use. Includes inventory planning, inventory control and optimization, tool control and maintenance, consumable/free issue management, rec

NUC5_MS Z171 Nuclear Materials and Services

M1 M1 Provide Inventory Management

M2EA MEEIA 2 ‐ Earnings Opportunity Amortization

To capture the earnings opportunity amortization of the Missouri Energy Efficiency Investment Act Cycle 2 (MEEIA 2).


M2EO MEEIA 2 ‐ Earnings Opportunity

To capture the earnings opportunity of the Missouri Energy Efficiency Investment Act Cycle 2 (MEEIA 2). SALES Z205 Sales Total SALESX Z705 SalesX Total

M2OU MEEIA 2 ‐ Over/Under ‐ TD To track the over/under for throughput disincentive (TD) revenues of the Missouri Energy Efficiency Investment Act Cycle 2 (MEEIA 2).


M2PC MEEIA 2 ‐ Program Costs To capture the program costs of the Missouri Energy Efficiency Investment Act Cycle 2 (MEEIA 2). SALES Z205 Sales Total SALESX Z705 SalesX TotalM2SS Mat and Svcs All Gen Stn

SupportAll activities associated with the evaluation and procurement of materials (including low value purchases) and services. Includes processing and administration of purchase requisitions, purchase orders and internal supply requests, contracts and leases, e


M2 M2 Procure Materials and Services

M2TA MEEIA 2 ‐ Throughput Disincentive Amortization

To track the amortization of the throughput disincentive (TD) over/under of the Missouri Energy Efficiency Investment Act Cycle 2(MEEIA 2).


M2TD MEEIA 2 ‐ Throughput Disincentive

To capture the throughput disincentive (TD) of the Missouri Energy Efficiency Investment Act Cycle 2 (MEEIA 2). SALES Z205 Sales Total SALESX Z705 SalesX Total

M3EA MEEIA 3 ‐ Earnings Opportunity Amortization

To capture the earnings opportunity amortization of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3).


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M3EO MEEIA 3 ‐ Earnings Opportunity

To capture the earnings opportunity of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3). SALES Z205 Sales Total SALESX Z705 SalesX Total

M3OU MEEIA 3 ‐ Over/Under ‐ TD To track the over/under for throughput disincentive (TD) revenues of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3).


M3PC MEEIA 3 ‐ Program Costs To capture the program costs of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3). SALES Z205 Sales Total SALESX Z705 SalesX TotalM3SS Contr Svcs All Gen Stn

SupportAll activities associated with contract services. Including the development, awarding and maintenance associated with services rendered from outside agencies. This also includes contract negotiations with "vendors of choice" as well as low bid contractors


M3 M3 Provide Contract Services

M3TA MEEIA 3 ‐ Throughput Disincentive Amortization

To track the amortization of the throughput disincentive (TD) over/under of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3).


M3TD MEEIA 3 ‐ Throughput Disincentive

To capture the throughput disincentive (TD) of the Missouri Energy Efficiency Investment Act Cycle 3 (MEEIA 3). SALES Z205 Sales Total SALESX Z705 SalesX Total

M4PC MEEIA 4 ‐ Program Costs To capture the program costs of the Missouri Energy Efficiency Investment Act Cycle 4 (MEEIA 4). SALES Z205 Sales Total SALESX Z705 SalesX TotalM4SS Warehousing All Gen Stn

SupportAll activities relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, issuing of tools, equi


M4 M4 Provide Warehousing

M5SS Rprs Rtns All Gen Stn Support All activities associated with repairs, refurbishment and returns of stocked items, including quality control activities and dispositioning of over, short, damaged and discrepant materials for STATION SUPPORT ‐ NUC.


M5 M5 Maintain Repairs and Returns

M6SS Inv Rcry All Gen Stn Support All activities relating to the recovery of inventory investment by disposing of obsolete/surplus/scrap inventory. Identification of unneeded inventory/scrap is not included in this sub‐process but is included in MS002, Provide Inventory Management for STATION SUPPORT ‐ NUC.


M6 M6 Dispose Surplus Inventory

M7SS Nuclear Fuel Pr All Gen Stn Support

All activities associated with the provision and transportation of nuclear fuel, including contract negotiations and administration for STATION SUPPORT ‐ NUC.


M7 M7 Provide and Transport Fuel

M8SP Nuclear Fuel Mg All Gen Stn Support

All activities associated with receiving and storing new nuclear fuel, storage analyses, managing spent fuel shipping and storage, cask fleet, irradiated channel disposal, developing dry storage contingency and disposing of spent fuel for STEAM PRODUCTION.


M8 M8 Store and Dispose Fuel

M8SS For All General Station Support

All activities associated with receiving and storing new nuclear fuel, storage analyses, managing spent fuel shipping and storage, cask fleet, irradiated channel disposal, developing dry storage contingency and disposing of spent fuel for STATION SUPPORT.


M8 M8 Store and Dispose Fuel

MADV Advertising Creation and distribution of advertising. MARKET Z160 Marketing MARKETX Z660 MarketingMAIN M.A.I.N. Assessment Payments made annually to the Mid America Interpool Network, a reliability council, which monitors the

integrity of the generating capacities and transmission systems for a specified region (Mid‐Americas).MISCELLANEOUS Z161 Miscellaneous Acctg

EntriesMISCELLANEOUSX Z661 Misc Accounting Entries

MARG Margin Comp of Bgs Unbilled To capture the margin component of BGS unbilled. SALES Z205 Sales Total SALESX Z705 SalesX Total

MARR RTO Auction Revenue Rights No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


MASE Mailing Services Activities associated with handling and postage for outgoing, non‐customer related mail, and delivery within the company of all incoming and intercompany mail and correspondence.

MAIL_SRV Z159 Mailing Services MAIL_SRVX Z659 Mailing Services

MBGS Municipal Bgs Discount This represents the amount of Basic Generation Service discount given to municipalities with franchise agreements that allow a percentage discount on service. Does not include usage covered under a "free service" agreement.


MCGC Municipal Free Service Cgc Credit for commodity gas charge component related to municipal free service. SALES Z205 Sales Total SALESX Z705 SalesX Total

MCII Competitive, Industry Intelligence

Gathering and analyzing competitor intelligence and industry intelligence related to competitive costs, pricing, product and service offerings etc.


MCNG RTO Congestion No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


MDAF Meter Data Access Fee No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalMDCO Demand Chg MDCQ

W/MAOP>60 PSIGDemand Charges related to all Therms of Customer's Maximum Daily Contract Quantity (MDCQ) based on Company's Gas Main Maximum Allowable Operating Pressure (MAOP) from which Customer is served with more than a 60 Per Square Inch Gauge (PSIG).


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MDCU Demand Chg MDCQ W/MAOP<60 PSIG

Demand Charges related to all Therms of Customer's Maximum Daily Contract Quantity (MDCQ) based on Company's Gas Main Maximum Allowable Operating Pressure (MAOP) from which Customer is served with less than a 60 Per Square Inch Gauge (PSIG).


MDEV RTO Uninstructed Deviation A MISO charge for Real Time Uninstructed Deviation. This is a charge to generators by MISO that do not follow the Midwest ISO Real Time Energy Market dispatch signal.



MDGC Municipal Free Service Dgc Credit for demand gas charge component related to municipal free service. SALES Z205 Sales Total SALESX Z705 SalesX Total

MDL6 MDCQ Overrun W/ MAOP<=60 PSIG


MDMA Meter Data Management Agent

This activity captures the cost of providing MISO/MDMA services to both Ameren affiliated operating companies and non‐Ameren entities.


MDOC MDCQ Overrun Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalMDQO Max Daily Qty W/MAOP>60

PSIGNo definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

MDQU Max Daily Qty W/MAOP<60 PSIG


MDSS Doc Control for Stn Support Gen

All costs associated with processing records to ensure they are legible, identifiable and retrievable by establishing and complying with procedures that provide for their collection, review indexing, protection and disposition. Publishing and maintaining

SUPP_SRV_GEN Z210 Support Services Gen STATION_SUPPORT Z710 Station Support

MEOA MEEIA ‐ Ordered Adjustments

To capture the ordered adjustments of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MEOU MO Energy Eff Inv Act ‐ Over/Under ‐ S/B

To track the over/under revenues of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MEPC MO Energy Eff Inv Act ‐ Pgrm Costs

To capture the program costs of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MEPA MEEIA ‐ Performance Incentive Amortization

To capture the performance incentive amortization of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MEPI MO Energy Eff Inv Act ‐ Performance Incentive

To capture the performance incentives of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MESB MO Energy Eff Inv Act ‐ Shared Benefits

To capture the shared benefits of the Missouri Energy Efficiency Investment Act (MEEIA). SALES Z205 Sales Total SALESX Z705 SalesX Total

MFLO Municipal Free Service Flo Thru

Credit for flo‐thru component related to municipal free service. SALES Z205 Sales Total SALESX Z705 SalesX Total

MFP1 Market Settlement FP No definition supplied. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

MFTR RTO Financial Transmission Rights

Analysis and management of transmission congestion and Financial Transmission Rights. MISO_RROA Z162 MISO_RROA Related Processes


MIDV RTO Inadvertent Distrib No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


MIOC Ind Ovhd Loading Corporate Activity to capture costs related to the Corporate Indirect Overhead Loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


MIOF Ind Ovhd Loading Functional Activity to capture costs related to the Functional Indirect Overhead Loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


MIOL Ind Ovhd Loading Direct Activity to capture costs related to the Direct Indirect Overhead Loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


MISO RTO Activities Activities associated with support of and coordination with the midwest ISO. MISO_RROA Z162 MISO_RROA Related Processes


MITR MISO Transmission Fees MISO transmission expenses related to Schedules 7 (Long Term Firm and Short Term Firm Point to Point Transmission Service), Schedule 8 (Non Firm Point to Point Transmission Service) and Schedule 9 (Network Integration Transmission Service).



MKSA Market Settlement Cost Adj Market Settlement Adjustment is an amount that represents the difference between the Company's revenue and costs incurred at MISO for purchases of energy on the real‐time and day‐ahead energy market for Rider RTP‐L customers.


MLOS RTO Losses This activity consists of 6 different MISO loss charges/credits. They are: Day Ahead Financial Bilateral Transaction Loss, Real Time Financial Bilateral Transaction Loss, RT Distribution of Losses, DA Loss Rebate on Carve‐out Grandfathered Agreements, DA Loss Rebate on Option B GFAs and RT Loss Rebate on Carve Out GFAs.



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MMAR Municipal Free Service Margin

Credit for margin component related to municipal free service. SALES Z205 Sales Total SALESX Z705 SalesX Total

MMRA Market Research and Analysis

Market Research including both the gathering and analysis of the data. MARKET Z160 Marketing MARKETX Z660 Marketing

MMTL Minor Materials Loading This activity captures all costs associated with the minor materials loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


MNFR Municipal Free Service Credit for service related to municipalities. SALES Z205 Sales Total SALESX Z705 SalesX TotalMNPD New Product Development Activities associated with taking a product or service from concept to sales deployment. MARKET Z160 Marketing MARKETX Z660 Marketing

MOG6 MDCQ Overrun W/ MAOP>60 PSIG


MOL6 MDCQ Overrun W/MAOP < = 60 PSIG


MPCC Monitoring and Rptg Cost of Capital

Activities associated with calculating and reporting cost of capital for internal and regulatory purposes. This does not include rate case support.


MPFO Planning and Forecasting Development of sales forecasts and long‐range, strategic business, marketing and sales plans MARKET Z160 Marketing MARKETX Z660 MarketingMPMO Price Modeling Activities associated with the development of formulas for the pricing of products and services. MARKET Z160 Marketing MARKETX Z660 MarketingMPRA Product Research and

AnalysisActivities associated with product research including both the gathering and analysis of the data specifically to determine the market viability, potential profitability and feasibility of Ameren to provide the product or service. Includes pricing support for regulated transactions, including modeling and contract review.


MPRO Promotions Creation and coordination of seminars, trade shows, presentations, multi‐media and other types of promotions. Also includes promotional discounts and give‐away items.


MPSC External Reporting MPSC The labor involved in preparing financial and other reports for the Missouri Public Service Commission. RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting External

MPSP Product and Service Pricing Development and evaluation of pricing for the sales of a particular product or service. MARKET Z160 Marketing MARKETX Z660 Marketing

MRDR Direct Kae/Bde Resources Direct the KAE/BDE resources to support Business Development's external and internal customers. Assure assignments meet the needs of the customer and the skill set of the assigned KAE/BDE. Coach the KAE/BDE to assure retention of qualified individuals.

RELATIONSHIP_MG Z195 Relationship Management RELATION_MGMTX Z695 Relationship Management

MREA Marketing Regulatory Analysis

Analysis of State and Federal rules, regulations and regulatory filings for impacts on the marketing of new or existing products and services.


MRKR Key Account, Retail Overall account management including building and maintaining key customer relationships through communication and managing expectations. Serve as the primary interface between Ameren and key customers. Develop strategies for dealing with key customers


MRKW Key Account, Wholesale Overall account management including building and maintaining relationships with Wholesale, REA and Coop customers through communication and managing expectations. Serve as the primary interface between Ameren and the Wholesale, REA and Coop customers.


MRLI Market Settlement RTPl I This activity is used for market settlement charges for product RTPL‐I. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

MRMR Meter Reading Meter Reader Activities associated with the physical reading of commercial, industrial and residential electric and gas meters in the field by employees classified as Meter Readers.

MTR_READING Z164 Meter Reading MTR_READINGX Z664 Meter Reading

MRNE Meter Reading Network Activities associated with the electronic or physical reading of commercial, industrial and residential electric and gas meters in the field by CellNet or any other contract meter reading firm.


MRNU RTO Revenue Neutrality Uplift

A MISO charge for Real Time Revenue Uplift. This is a charge type set up as a revenue distribution balancing mechanism for charges and credits that have no other distribution method to Asset Owners.



MROT Meter Reading Other Activities associated with the physical reading of commercial, industrial and residential electric and gas meters in the field by employees not classified as Meter Readers or Power Meter Men.


MRPM Meter Reading Power Meter Man

Activities associated with the physical reading of commercial, industrial and residential electric and gas meters in the field by employees classified as Power Meterman.


MRSG RTO Rev Sufficiency Guarantee

A grouping of 4 different Revenue Sufficiency Guarantee charges/credits by MISO: Day Ahead Revenue Sufficiency Guarantee Distribution, DA Revenue Sufficiency Guarantee Make Whole Payment, Real Time Revenue Sufficiency Guarantee First Pass Distribution and RT Revenue Sufficiency Guarantee Make Whole Payment.



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MRSK Marketing Credit Risk Activities associated with evaluation and management of counter‐party credit risk. RM_FIN Z200 Risk Management Finance RM_FINX Z700 Risk Management Finance

MRSU Meter Reading Supv and Support

Administrative activities associated with supporting the meter readings such as processing of meter reading information of commercial and residential electric and gas meters including uploads, downloads, meter routes rerouting. This activity does not include


MRTP Market Settlement RTP This activity is used for market settlement charges for product RTP. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

MSCU Corporate Mailings Customer This activity captures costs related to enclosing, handling and postage for customer bills and customer correspondence.


MSIN Internal Mail Services Activities associated with sorting and delivery within the company of printed matter, including all mail received from both internal and external sources.


MSOT Corporate Mailings Other This activity captures costs related to enclosing, handling and postage for non customer mailings. MAIL_SRV Z159 Mailing Services MAIL_SRVX Z659 Mailing ServicesMSSR MISO System Support

ResourceThis activity is used to report the expense charged by MISO for plants designated as a System Support Resource (SRR) plant.



MTAX Municipal Contract Tax Discnt

This activity represents the amount of tax discount given to municipalities with franchised agreements that allow a percentage discount on service. Does not include usage covered under a "free service" agreement. AmerenIP only.


MTCH Meter Charge An amount to be paid monthly by a retail customer electing metering service from the utility; the charge is based upon the costs incurred for the carrying costs of the meter, ongoing maintenance of the meter, and meter reading, exclusive of demand or energy consumption.


MTGA Mitigation Adj The Retail Supply Charges derived from the Rate Prism for retail customers served under Rider BGS may include a mitigation adjustment. The overall increase shall be limited to 20% or 150% of the average annual increase, for retail customers served under Rider BGS, whichever is larger.


MTRA Meter Re Assignment Chg The Meter Reassignment Charge only applies to AmerenCIPS customers owning their own transformation with delivery service being measured at the high voltage side of customer‐owned transformation will be assessed a Customer Charge and Meter Charge as if they were being served on the low‐side but the retail customer will pay a additional monthly charge for this privilege.


MUNI Municipal Discount (Ds Chgs) This represents the amount of Delivery Service discount given to municipalities with franchise agreements that allow a percentage discount on service. Does not include usage covered under a "free service" agreement.


MVAF Mv Adjustment Factor The purpose of the Market Value Adjustment Factor (MVAF) is to periodically equalize the revenues from retail customers for electric power and energy supply procured for them by the utility and the expenses incurred by the utility for the procurement of such supply. The MVAF and CSF roll up into the MVA on a customer's bill.


MVCC Mv Capacity Charge This charge represents recovery of the Hourly Price Section Supplier Charge as defined in Rider MV for Rider RTP‐L customers.


MVEC Mv Energy Charge This charge represents recovery of the Hourly Energy Supply Charges as defined in Rider MV for Rider RTP‐L customers; it is the three‐part Locational Marginal Price at the MISO Delivery Point times the customer's usage adjusted for distribution losses.


MVRS Mv Retail Supply Chg Summer

The Market Value Retail Supply Charge Summer means the retail supply charge as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS 1, BGS‐2 and BGS‐5.


MVRW Mv Retail Supply Chg Winter The Market Value Retail Supply Charge Winter means the retail supply charge for the non‐summer periods as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS‐1, BGS‐2 and BGS‐5. (BGS‐1 has a block rate break for non‐summer use.)


MW84 Meter Work Major Tool Repair

Activities associated with the handling, inspection, cleaning, testing, and repairing of major tools (Stock Class 84). This includes items such as cable locators.

TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

MWBI Meter Work Billing Meter work associated with corrrecting billing problems. This includes investigating, testing, and repairing electro‐mechanical and AMR equipment.


MWCI Meter Work Cut In and Out Disconnections and reconnections associated with inactive accounts. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

MWLE Meter Work Laboratory Equip

Activities associated with the handling, testing, and repair of new and used laboratory equipment and field testing instruments such as field watt‐hour standards, field and lab instruments such as voltmeters, ammeters, XDER, calibrators, etc., meter compa


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MWMC Meter Work Meter Change Routine gas and/or electric meter changes including sample, periodic, and gas mileage meter changes. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

MWMI Meter Work Miscellaneous This activity captures the cost associated with meter sockets that are sold to third parties from the meter shop. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

MWNM Meter Work New Meters Activities associated with the handling, processing, and testing of new meters (purchased). This includes receiving, handling, sample testing, and preparation for issue


MWOP Meter Work Operate Activities associated with the turn on/off of natural gas for customers. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter WorkMWPE Meter Work Protective Equip Activities associated with the handling, inspection, cleaning, testing, and repair of protective equipment such as

rubber gloves, rubber blankets, miscellaneous rubber goods, lines hoses, protective sleeeves, hot sticks, line jumpers, and similar items.


MWPP Meter Work Power Plant Equip

Activities associated with the handling, inspection, testing, and repair of meters and instruments from power plants.


MWRP Meter Work Routine Repair Non‐emergency repair of electric and gas meters. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

MWSS Meter Work Special Service Meter work associated with installing or removing special services. This includes demand meters or other special metering requested by customers and installing or removing life support tags.


MWST Meter Work Scheduled Testing

Activities associated with the scheduled change‐out or testing of gas or electric meters. This includes meter change‐outs resulting from failed sample test lots.


MWTE Meter Work T and D Equipment

Activities associated with the handling, inspection, and repair of miscellaneous T&D equipment except major tools (Stock Class 84). This includes such items as voltmeters from Service Test


MWUM Meter Work Used Meters Activities associated with the handling, inspection, cleaning, testing, and repair of all meters that have been removed from service. This includes receiving meters from the field, sorting reparable meters from scrap, logging, cleaning meters, painting,


MWUT Meter Work Unscheduled Test

Activities associated with the unscheduled testing of meters and meter‐related equipment. TD_MTR_WRK Z219 T and D Meter Work TD_MTR_WRKX Z719 T and D Meter Work

NABE Billing External Activities associated with preparing the printed bills and sending them to the customers for miscellaneous sales not covered by another billing activity. This includes inserting, sequencing, and verifying the bills.


NABI Billing Intercompany Activities associated with preparing the printed bills and sending them to the customers for intercompany sales. This includes inserting, sequencing, and verifying the bills.


NBCL New Business Construct New Line

This activity captures the costs associated with connecting a new customer to the electric system, including the installation and removal of equipment. This activity should also be used if constructing new lines or providing service to increase load of a

TD_NEW_BUS Z220 T and D New Business TD_NEW_BUSX Z720 T and D New Business

NBCS New Business Construct Substation

Activities associated with constructing a new substation for a specific customer, including the installation and removal of equipment.


NBLT New Business Lighting Work Activities associated with installation or removal of street or dusk‐to‐dawn lights for a new or existing customer.


NBOL New Business Construct Ovhd Line

Activities associated with constructing an overhead line extension to connect a new customer to the electric system, including the installation and removal of equipment. This activity used for all new business line related costs, including extensions of transmission and distribution lines, regardless of voltage.


NBOR Customer Orders Activities associated with constructing an overhead line extension to connect a new customer to the electric system, including the installation and removal of equipment.


NBOS New Business Construct Ovhd Svc

Activities associated with constructing a new service to connect a new customer to the electric system, including the installation and removal of equipment.


NBSC New Business Scada Testing SCADA testing activities associated with new business additions. TD_NEW_BUS Z220 T and D New Business TD_NEW_BUSX Z720 T and D New Business

NBST New Business Scheduled Test Scheduled testing of relays and other equipment associated with new business additions, performed by system relay and other departments.


NBTS New Business Equip Testing Equipment testing performed by the Relay Department to support new business installations. TD_NEW_BUS Z220 T and D New Business TD_NEW_BUSX Z720 T and D New Business

NBTT New Business Vegetation Cntl

Tree trimming/vegetation control associated with new business installations TD_NEW_BUS Z220 T and D New Business TD_NEW_BUSX Z720 T and D New Business

NBUL New Business Construct Undgd Line

Activities associated with constructing an underground line extension to connect a new customer to the electricgas system, including the installation and removal of equipment.


NBUS New Business Construct Undgd Svc

Activities associated with constructing an underground service to connect a new customer to the electricgas system, including the installation and removal of equipment.


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NCDC Non‐Compliance Demand Charge

Amount received from assessing a non‐compliance charge due to customer failure to curtail interruptible use for RTP‐LI customers.


NCGC Non‐Commodity Gas Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

NENR Non‐Energy Revenues s of electricity. It includes forfeited discounts, miscellaneous service revenues, rent from electric property, interdepartmental rents, and other electric revenues.



NESC National Electric Safety Code Compliance

This activity is to capture costs associated with property repairs and replacements required to comply with the National Electric Safety Code.

TD_REG_COMP Z222 T and D Regulatory Compliance


NLRB NLRB Relations This activity includes preparing for and filing or responding to charges, attending hearings, filing testimony, and related items for the National Relations Board.

UNION_REL Z236 Union Relations UNION_RELX Z736 Union Relations

NMSB Nomination Submittals/Resubmtl

Charges for submitting or resubmitting day‐ahead hourly usage schedules for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

NMSC Nomination Scheduling Chg A fixed monthly fee paid by RTP‐LI customers for the privilege to submit hourly demand schedules to be passed on to MISO.


NOPS IT Network Operations Ctr Support

All activities associated with the operation of Ameren IT networks (data, telephone and wireless), the support and operation of the Network Operations Center and it's associated systems.


NPEM New Project Eval and Monitoring

Activities associated with review and support for the analysis of non‐regulated, new venture projects as well as support for the New Venture Committee. This also includes support for CIPSCO Investment Co. investments and the day‐to‐day operation of CIPSC


NRGA Net Regulation Adjustment Amount

A MISO charge for Real Time Net Regulation Adjustment Amount. This charge type represents charges or credits to a Resource providing deployed Regulation Service such that the Resource is indifferent to deploying Energy above or below its Dispatch Target for Energy to provide the Regulation Services.



NSPO Procurement Non‐Stock (PO's)

All activities associated with preparing, obtaining and evaluating proposals and preparing purchase orders for non‐stock material.

SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt


NWIC Network Integration Charge MISO Sch 9 demand charge for use of Ameren Illinois (AMIL) transmission lines for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX Total

O1EL Op System All Elect Prod Equip

All activities associated with preparing and placing systems and components in and out of service (e.g., tag‐outs and clearances) to support normal and off‐normal system operations. Includes support and implementation of fire protection programs, plant w

NUC1_OP Z165 Nuclear Plant Operations O1 O1 Operate and Monitor Plant

O1M9 Op System All Misc Plant Equip



O1SP Op System All Steam Production Equip



O1SS For All General Station Support



O2EL Effluents Ctrls All Elect Prod Equip

All activities associated with treatment, measurement, control, minimization, collection, compaction, storage, filtration, ion exchange and other processing, reporting, handling, shipping, disposing of low‐level waste and effluents. Includes industrial s

NUC1_OP Z165 Nuclear Plant Operations O2 O2 Monitor and Control Effluents

O2SP Effluents Ctrls All Steam Production Equip






O3EL Chem Ctrls All Elect Production Equip

All activities associated with establishing and maintaining chemistry program, monitor and control plant chemistry, and manage chemical use and safety program in order to maintain component integrity and optimize plant efficiency. Also collecting and pro

NUC1_OP Z165 Nuclear Plant Operations O3 O3 Monitor and Control Chemistry

O3SP Chem Ctrls All Steam Production Equip



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OAAV Analysis Unit Availability R Activities associated with analyzing unit availability. OPER_ANALYSIS Z182 Operations Analysis OPER_ANALYSISX Z682 Operations Analysis

OAFB Analysis Fossil Fuel Schedule Activities associated with forecasting fossil fuel requirements. OPER_ANALYSIS Z182 Operations Analysis OPER_ANALYSISX Z682 Operations Analysis

OAHS Oper for Air Heating Operating activity relating to AIR HEATING WM_GEN Z241 Work Management Gen AHS AHS Air Heating System

OAOA Analysis Power Plant Ops Analysis

Activities associated with the analysis of power plant operations. OPER_ANALYSIS Z182 Operations Analysis OPER_ANALYSISX Z682 Operations Analysis

OAOS Analysis Unit Outage Analysis Activities associated with generating unit outage scheduling. OPER_ANALYSIS Z182 Operations Analysis OPER_ANALYSISX Z682 Operations Analysis

OAPS Oper for Ash Pond System Operating activity relating to ASH POND SYSTEM WM_GEN Z241 Work Management Gen APS APS Ash Pond System

OAUC Analysis Unit Control/Dispatch

Activities associated with unit commitment, economic dispatch, the coordination of generating unit dispatch between AmerenEnergy and Energy Supply, and activities associated with meeting system performance requirements.

OPER_ANALYSIS Z182 Operations Analysis OPER_ANALYSISX Z682 Operations Analysis

OAXB Oper for Auxiliary Boiler Operating activity relating to AUXILIARY BOILER WM_GEN Z241 Work Management Gen AXB AXB Auxiliary Boiler

OAXS Oper for Auxiliary Steam Operating activity relating to AUXILIARY STEAM WM_GEN Z241 Work Management Gen AXS AXS Auxiliary Steam

OBAR Oper for Bottom Ash Removal

Operating activity relating to BOTTOM ASH REMOVAL WM_GEN Z241 Work Management Gen BAR BAR Bottom Ash Removal

OBCC Oper for Boiler Chemical Cleaning

Operating activity relating to BOILER CHEMICAL CLNG WM_GEN Z241 Work Management Gen BCC BCC Boiler Chemical Cleaning

OBCF Oper for Boiler Chemical Fd Operating activity relating to BOILER CHEMICAL FEED & SAMPLE WM_GEN Z241 Work Management Gen BCF BCF Boiler Chemical Feed and Sample

OBCW Oper for Boiler Circ Water Operating activity relating to BOILER CIRC WATER WM_GEN Z241 Work Management Gen BCW BCW Boiler Circ Water

OBDS Oper for Boiler Dft System Operating activity relating to BOILER DRAFT SYSTEM WM_GEN Z241 Work Management Gen BDS BDS Boiler Draft System

OBFW Oper for Boiler Feedwater Operating activity relating to BOILER FEEDWATER WM_GEN Z241 Work Management Gen BFW BFW Boiler Feedwater

OBLR Oper for Boiler Operating activity relating to BOILER WM_GEN Z241 Work Management Gen BLR BLR Boiler

OBSB Oper for Boiler Startup Bypass

Operating activity relating to BOILER STARTUP AND BYPASS WM_GEN Z241 Work Management Gen BSB BSB Boiler Startup and Bypass

OBYS Oper for Bldg Yard Structure Operating activity relating to BUILDINGS, YARDS & STRUCTURES WM_GEN Z241 Work Management Gen BYS BYS Buildings, Yards and Structures

OCAS Oper for Compressed Air Operating activity relating to COMPRESSED AIR SYSTEM WM_GEN Z241 Work Management Gen CAS CAS Compressed Air System

OCFS Oper for Cyclone Fuel Operating activity relating to CYCLONE FUEL SYSTEM WM_GEN Z241 Work Management Gen CFS CFS Cyclone Fuel System

OCHP Oper for Coal Handling Operating activity relating to PLANT COAL HANDLING WM_GEN Z241 Work Management Gen CHP CHP Plant Coal Handling

OCOM Oper for Communications Operating activity relating to COMMUNICATIONS WM_GEN Z241 Work Management Gen COM COM Communications

OCON Oper for Condensesr and Aux Operating activity relating to CONDENSER AND AUXILIARIES WM_GEN Z241 Work Management Gen CON CON Condenser and Auxiliaries

OCRC Oper for Coal Reclaim Operating activity relating to COAL RECLAIM WM_GEN Z241 Work Management Gen CRC CRC Coal Reclaim

OCRS Oper for Coal Receiving Operating activity relating to COAL RECEIVING SYSTEM WM_GEN Z241 Work Management Gen CRS CRS Coal Receiving System

OCSP Chem Controls for Steam Prod Gen


OP_PLT_GEN Z176 Operate Plant Gen STM_PROD_OP_PLT Z681 Steam Production

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OCTG Oper for Ct Gen Operating activity relating to COMBUSTION TURBINE GENERATOR WM_CTG Z239 Work Management Ctg CTG CTG Combustion Turbine Generator

OCWS Oper for Circ Water Operating activity relating to CIRCULATING WATER SYSTEM WM_GEN Z241 Work Management Gen CWS CWS Circulating Water System

ODCN Od Consulting Activities associated with the identification, data gathering, diagnosis, action planning, implementation, and evaluation of projects focused on organizational effectiveness, and change management.

ORG_DEVELOP Z184 Organization Development

ORG_DEVELOPX Z684 Organization Development

ODEM Oper for Demin Operating activity relating to DEMINERALIZER WM_GEN Z241 Work Management Gen DEM DEM Demineralizer

OEER Other Electric Equipment Repairs

All activities directly related to the repair, restoration, or rework of miscellaneous electric equipment that fails to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back

SUPP_CHN_SO Z208 Supply Chain Shop Operations

SUPP_CHN_SOX Z708 Supply Chain Shop Operations

OEGS Oper for Emergency Generator

Operating activity relating to EMRGNCY&LETDOWN GENERATOR SYST WM_GEN Z241 Work Management Gen EGS EGS Emergency and Letdown Generator System

OELV Oper for Elev, Cranes and Hoists

Operating activity relating to ELEVATORS, CRANES AND HOISTS WM_GEN Z241 Work Management Gen ELV ELV Elevators, Cranes and Hoists

OESP Env Controls for Steam Prod All activities associated with treatment, measurement, control, minimization, collection, compaction, storage, filtration, ion exchange and other processing, reporting, handling, shipping, disposing of low‐level waste and effluents. Includes industrial s

OP_PLT_GEN Z176 Operate Plant Gen STM_PROD_OP_PLT Z681 Steam Production

OEXS Oper for Extraction Steam Operating activity relating to EXTRACTION STEAM WM_GEN Z241 Work Management Gen EXS EXS Extraction Steam

OFAR Oper for Flyash Removal Operating activity relating to FLYASH REMOVAL WM_GEN Z241 Work Management Gen FAR FAR Flyash Removal

OFCS Oper for Flood Control Sys Operating activity relating to FLOOD CONTROL SYSTEM‐GENERAL WM_GEN Z241 Work Management Gen FCS FCS Flood Control System General

OFGC Oper for Flue Gas Conditioning

Operating activity relating to FLUE GAS CONDITIONING WM_GEN Z241 Work Management Gen FGC FGC Flue Gas Conditioning

OFGD Oper for Fuel Gas Delivery System

Operating activity relating to FUEL GAS DELIVERY SYSTEMS WM_GEN Z241 Work Management Gen FGD FGD Fuel Gas Delivery Systems

OFPS Oper for Fire Protection Operating activity relating to FIRE PROTECTION SYSTEM WM_GEN Z241 Work Management Gen FPS FPS Fire Protection System

OFSM Mv Retail Sup Chg Off Peak Summer

The Market Value Retail Supply Charge Off Peak Summer means the retail supply charge for the summer periods as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS 3 for the hours from 10 PM ‐ 10 AM.


OFWT Mv Retail Sup Chg Off Peak Winter

The Market Value Retail Supply Charge Off Peak Winter means the retail supply charge for the non‐summer periods as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS 3 for the hours from 10 PM ‐ 10 AM.


OGCE Oper for Governor Control Equip

Operating activity relating to GOVERNOR CONTROL EQUIPMENT WM_GEN Z241 Work Management Gen GCE GCE Governor Control Equipment

OGEN Oper for Main Generator Operating activity relating to MAIN GENERATOR WM_GEN Z241 Work Management Gen GEN GEN Main Generator

OGFS Oper Corr for Gas Fuel System

Operations for the Gas Fuel System which is composed of equipment that provides fuel to the "Combustion Turbine Assembly" (CTG) and the "Heat Recovery Steam Generator" (HRSG).


OGIB Oper for Instr and Ctrl Boiler Operating activity relating to INSTRUMENTS & CONTROLS ‐ BOILER WM_GEN Z241 Work Management Gen GIB GIB Instrument and Controls Boiler

OGIC Oper for Gen Instrument and Ctrl

Operating activity relating to GENERAL INSTRUMENT AND CONTROLS WM_GEN Z241 Work Management Gen GIC GIC General Instrument and Controls

OGIE Oper for Electrical Operating activity relating to INSTRUMENTS & CONTROLS ‐ ELECTRICAL WM_GEN Z241 Work Management Gen GIE GIE Instrument and Controls Electrical

OHGT Oper for Turbine Generator Gen

Operating activity relating to TURBINE GENERATOR‐GENERAL WM_GEN Z241 Work Management Gen HGT HGT Turbine Generator General

OHRG Oper for Heat Recov Steam Gen

Operating activity relating to HEAT RECOVERY STEAM GENERATOR WM_GEN Z241 Work Management Gen HRG HRG Heat Recovery Steam Generator

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OHVA Oper for HVAC Operating activity relating to HEATING, VENTILATION AND A/C WM_GEN Z241 Work Management Gen HVA HVA Heating, Ventilation and A/C

OHYD Oper for Hydro Plant Operating activity relating to HYDRO PLANT WM_GEN Z241 Work Management Gen HYD HYD Hydro Plant

OJAW Oper for Jacket and Aux Clng Operating activity relating to JACKET & AUXILIARY COOLING WM_GEN Z241 Work Management Gen JAW JAW Jacket and Auxiliary Cooling

OLAB Oper for Lab and Test Equip Operating activity relating to LABORATORY AND TEST EQUIPMENT WM_GEN Z241 Work Management Gen LAB LAB Laboratory and Test Equipment

OLTG Oper for Lighting Operating activity relating to LIGHTING WM_GEN Z241 Work Management Gen LTG LTG Lighting

OMIS Oper for Misc Operating activity relating to MISCELLANEOUS WM_GEN Z241 Work Management Gen MIS MIS Miscellaneous

OMPR Oper for Pyrite Rmvl Operating activity relating to MILL PYRITE REMOVAL WM_GEN Z241 Work Management Gen MPR MPR Mill Pyrite Removal

OMSS Mgmt Supv Ops for Stn Support

Activities associated with supervisory personnel performing general operations oversight and coordination of employees when it is not feasible to charge time to a single more specific activity for STATION SUPPORT

OP_PLT_GEN Z176 Operate Plant Gen SS_OP_PLT Z680 Station Support

ONSM Mv Retail Sup Chg On Peak Summer

The Market Value Retail Supply Charge Off Peak Summer means the retail supply charge for the summer periods as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS 3 for the hours from 10 AM ‐ 10 PM.


ONWT Mv Retail Sup Chg On Peak Winter

The Market Value Retail Supply Charge Off Peak Winter means the retail supply charge for the non‐summer periods as determined pursuant to Rider MV (and mitigated where appropriate) applicable to retail customers electing electric power and energy supply from the utility under BGS 3 for the hours from 10 AM ‐ 10 PM.


OOAR Oper for Other Ash Rmvl Operating activity relating to Ash Removal. WM_GEN Z241 Work Management Gen OAR OAR Other Ash Removal

OOFS Oper for Other Fuel Support Operating activity relating to OTHER FUEL SUPPLY WM_GEN Z241 Work Management Gen OFS OFS Other Fuel Supply

OOSC Oper for Oil Storage Operating activity relating to OIL STORAGE AND CONDITIONING WM_GEN Z241 Work Management Gen OSC OSC Oil Storage and Conditioning

OPAP Oil Planning, Admin and Procurement

Activities required to identify and procure oil needs for the plants and verify compliance with existing contracts and monitor performance. Major activities include oil planning, contract negotiation and administration, and RFP's.


OPBK Oper for Pumpback Related Systems

Operating activity relating to Pumpback Related Systems. WM_GEN Z241 Work Management Gen PBK PBK Pumpback Related Systems

OPBS Oper for Pumpback Station Operating activity relating to Pumpback Stations. WM_GEN Z241 Work Management Gen PBS PBS Pumpback Station

OPCB Oper for PCB Retrofil Operating activity relating to PCB RETROFILLING WM_GEN Z241 Work Management Gen PCB PCB PCB Retrofilling

OPDW Oper for Potable Water Operating activity relating to DOMESTIC & POTABLE WATER WM_GEN Z241 Work Management Gen PDW PDW Domestic and Potable Water

OPFS Oper for Pulverized Fuel Operating activity relating to PULVERIZED FUEL SYSTEM WM_GEN Z241 Work Management Gen PFS PFS Pulverized Fuel System

OPMS Oper for Pollution Monitoring

Operating activity relating to POLLUTION MONITORING SYSTEM WM_GEN Z241 Work Management Gen PMS PMS Pollution Monitoring System

OPRC Oper for Precipitator Operating activity relating to PRECIPITATOR WM_GEN Z241 Work Management Gen PRC PRC Precipitator

OPWT Oper for Primary Water Treatment

Operating activity relating to PRIMARY WATER TREATMENT WM_GEN Z241 Work Management Gen PWT PWT Primary Water Treatment

ORRI Oper Rich Reagent Injection Operating activity relating to RICH REAGENT INJECTION SYSTEM. WM_GEN Z241 Work Management Gen RRI RRI Rich Reagent Injection

ORWS Oper for Raw Water System Operating activity relating to RAW WATER SYSTEM WM_GEN Z241 Work Management Gen RWS RWS Raw Water System

OSBS Oper for Soot Blowing Operating activity relating to SOOT BLOWING SYSTEM WM_GEN Z241 Work Management Gen SBS SBS Soot Blowing System

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OSEP Op Sys and Equip for Elec Prod Gen


OP_PLT_GEN Z176 Operate Plant Gen ELECTRIC_PROD Z677 Electric Production

OSFA Oper for Safety First Aid Operating activity relating to SAFETY AND FIRST AID WM_GEN Z241 Work Management Gen SFA SFA Safety and First Aid

OSFH Op Sys and Equip for Fuel Handling


OP_PLT_GEN Z176 Operate Plant Gen FUEL_HANDLING Z678 Fuel Handling

OSFO Ops Supv Forced Outages Activities associated with responding to transmission forced outages. OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSOS Ops Supv Unit Outage Sch Activities associated with generating unit outage scheduling. OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSOT Op Sys and Equip for Other All activities associated with preparing and placing systems and components in and out of service (e.g., tag‐outs and clearances) to support normal and off‐normal system operations. Includes support and implementation of fire protection programs, plant w

OP_PLT_GEN Z176 Operate Plant Gen OTHER Z679 Other

OSSD Oper for Sanitary Sewage Disp

OPER for SANITARY SEWAGE DISPOSAL WM_GEN Z241 Work Management Gen SSD SSD Sanitary Sewage Disposal

OSSE Oper for Station Svc Elec Operating activity relating to STATION SERVICE ELECTRICAL WM_GEN Z241 Work Management Gen SSE SSE Station Service Electrical

OSSM Ops Supv System Monitor Activities associated with monitoring the transmission system. OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSTE Oper for Steam Plant Operating activity relating to STEAM PLANT WM_GEN Z241 Work Management Gen STE STE Steam Plant

OSTO Ops Supv Trns Outage Schedule

Activities associated with transmission system outage scheduling. OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSUC Ops Supv Unit Cmtmt/Control

Activities associated with unit commitment, economic dispatch, the coordination of generating unit dispatch between AmerenEnergy and Energy Supply, and activities associated with meeting system performance requirements.

OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSWP Ops Supv Wpa and Switch Activities associated with administration of the transmission workers' protection assurance program and routine switching operations in support of normal system operations.

OPER_SUPV Z183 Operations Supervision OPER_SUPVX Z683 Operations Supervision

OSYE Oper for Switchyard Operating activity relating to SWITCHYARD WM_GEN Z241 Work Management Gen SYE SYE Switchyard

OTOL Oper for Tools and Equip Operating activity relating to TOOLS AND EQUIPMENT WM_GEN Z241 Work Management Gen TOL TOL Tools and Equipment

OTRB Oper for Main Turbine Operating activity relating to MAIN TURBINE WM_GEN Z241 Work Management Gen TRB TRB Main Turbine

OVME Oper for Mobile Equip Operating activity relating to VEHICLES AND MOBILE EQUIPMENT WM_GEN Z241 Work Management Gen VME VME Vehicles and Mobile Equipment

OWEL Oper for Well Water Operating activity relating to WELL WATER WM_GEN Z241 Work Management Gen WEL WEL Well Water

OWTP Oper Water Treatment Operating activity relating to WATER TREATMENT. WM_GEN Z241 Work Management Gen PWT PWT Primary Water Treatment

OWWS Oper for Waste Water Operating activity relating to WASTE WATER SYSTEM WM_GEN Z241 Work Management Gen WWS WWS Waste Water System

PAHO Holiday This activity captures costs related to holiday pay. It does not include Holiday hours or dollars for employees on fixed accounting distribution.

PD_ABS Z186 Paid Absence PD_ABSX Z686 Paid Absence

PAHS Mtce Prev for Air Heating All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PANP Non Productive Offset This activity captures all costs to offset vacation, sick, holiday, and other allowed time. PD_ABS Z186 Paid Absence PD_ABSX Z686 Paid AbsencePAOA Other Allowed This activity captures costs related to other allowed paid absences with the exclusion of holiday, vacation, or

sick pay. It does not include Other Allowed hours or dollars for employees on fixed accounting distribution.PD_ABS Z186 Paid Absence PD_ABSX Z686 Paid Absence

PAPS Mtce Prev for Ash Pond System

All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


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PASI Sick This activity captures costs related to sick pay. It does not include Sick Leave hours or dollars for employees on fixed accounting distribution.


PATA Portfolio and Trading Analysis

Commercial analytical services to trading organizations for evaluation of commodity hedging strategies to optimize the generation portfolios.



PAVA Vacation This activity captures costs related to vacation pay. It does not include Vacation hours or dollars for employees on fixed accounting distribution.


PAXB Mtce Prev for Auxiliary Boiler All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PAXS Mtce Prev for Auxiliary Steam



PBAR Mtce Prev for Bottom Ash Removal



PBCC Mtce Prev for Boiler Chemical Cleaning



PBCF Mtce Prev for Boiler Chemical Fd



PBCW Mtce Prev for Boiler Circ Water



PBDS Mtce Prev for Boiler Dft System



PBFW Mtce Prev for Boiler Feedwater



PBLR Mtce Prev for Boiler All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PBME Mtce Prev for Boat and Marine Equip

Preventive Mtce for BOATS & MARINE EQUIPMENT. This activity is used to maintain a fleet of pontoon boats and trailers for our mosquito spraying operation each summer. This includes engine purchase and repair, and boat/trailer purchase and repair. It also


PBSB Mtce Prev for Boiler Startup Bypass



PBYS Mtce Prev for Bldg Yard Structure



PCAP Pet Coke Plan, Admin, Procure and Op

Activities required to identify, procure, and deliver pet coke needs for the plants and verify compliance with contracts and monitor performance. Major activities include pet coke planning, contract negotiation and administration, RFP's, and operational


PCAS Mtce Prev for Compressed Air



PCEP Prim Curtailment Event Payment


PCFS Mtce Prev for Cyclone Fuel All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PCHP Mtce Prev for Coal Handling All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


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PCIP Penalty Chg Interstate Pipeline


PCNG PJM Congestion Charges No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


PCOM Mtce Prev for Communications



PCON Mtce Prev for Condensesr and Aux



PCRC Mtce Prev for Coal Reclaim All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PCRS Mtce Prev for Coal Receiving All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PCSF Contingency Supply Factor This activity is used for the contingency supply factor related to the Post 2006 auction process. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

PCTG Mtce Prev for Ct Gen All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PCWS Mtce Prev for Circ Water Gen All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PDEM Mtce Prev for Demin All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PDEV PJM Uninstructed Deviation Ch

This is a charge to generators by PJM that do not follow the PJM market dispatch signal. MISO_RROA Z162 MISO_RROA Related Processes


PDHS Power Dispatch Hourly Svc Sked

Activities associated with the scheduling of hourly transmission service. PWR_DSPTCH Z192 Power Dispatching PWR_DSPTCHX Z692 Power Dispatching

PDIS Power Dispatch Power Dispatch

Activities associated with dispatching power through and across the transmission system. PWR_DSPTCH Z192 Power Dispatching PWR_DSPTCHX Z692 Power Dispatching

PEAF Purchased Electric Adj Factor No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

PECW Purchase Electric Cash Wrk Cap Adj

Cash working capital adjustment adder (one of the three components that make up the Supply Cost Adjustment) associated with BGS service. Small hourly customers, those on RTP (not HSS), also pay the same factor. This is money the company gets to keep to compensate for the float between when the company pays the bills to suppliers/MISO and when the company receives cash from the customers.


PEGS Mtce Prev for Emergency Generator



PELE Charge Off/Recovery Electric Supply


PELV Mtce Prev for Elev, Cranes and Hoists



PEMR Personal Energy Manager Rebate

No definition supplied. MKT_FUL_SUPP Z163 Marketing Fulfillment and Support

MKT_FUL_SUPPX Z663 Marketing Fulfillment and Support

PEOS Purchase Electric Off Peak Summer


PEOW Purchase Electric Off Peak Winter


PEPO Prim Energy Purchase Option No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

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PEPS Purchase Electric On Peak Summer


PEPW Purchase Electric On Peak Winter


PERS Purchase Electric Summer No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalPERW Purchase Electric Winter No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalPESA Purchase Electric Supply

Procure AdjA supply procurement adjustment adder (second of the three components that make up the Supply Cost Adjustment) associated with BGS service. Small hourly customers, those on RTP (not HSS), also pay the same factor. This is money the company gets to keep to compensate for the Power Supply & Infrastructure Development group spending time and resources on power procurement activities.


PEUA Purchase Electric Uncollectible Adj

Uncollectibles adjustment adder (third of the three components that make up the Supply Cost Adjustment) associated with BGS service. Small hourly customers, those on RTP (not HSS), also pay the same factor. This is money the company gets to keep to establish the "included in rates" uncollectibles associated with fixed price supply. Not to be confused with the Rider EAU uncollectibles factors which is an over/under from what is shown in Account 904 and "included in rates" amounts (shown in UES8 and UNES).


PEXS Mtce Prev for Extraction Steam



PFAR Mtce Prev for Flyash Removal



PFCS Mtce Prev for Flood Control Sys



PFGC Mtce Prev for Flue Gas Conditioning



PFGD Mtce Prev for Fuel Gas Delivery



PFP1 Auction Purchase FP1 This activity is used for energy purchases related to the Post 2006 auction process for product FP (first interval). FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

PFP2 Auction Purchase FP2 This activity is used for energy purchases related to the Post 2006 auction process for product FP (second interval).


PFP3 Auction Purchase FP3 This activity is used for energy purchases related to the Post 2006 auction process for product FP (third interval).


PFPS Mtce Prev for Fire Protection Gen



PFTR PJM Congestion and Ftr Analysis

A PJM charge for analysis and management of transmission congestion and financial transmission rights. MISO_RROA Z162 MISO_RROA Related Processes


PFUC Provision For Uncollectibles A fund set up to be charged with amounts sufficient to provide for losses from uncollectible utility revenues. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


PGAS Chargeoff/Recovery PGA Supply

Activity to track any chargeoff/recovery on revenue PGA related (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


PGCE Mtce Prev for Governor Cntl Equip



PGDE Purchased Gas Demand The portion of the charge of gas purchased for resale based on the gas capacity consumed and billed on the basis of billing demand under an applicable rate schedule.

PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGEG Purchased Gas Energy The portion of the charge of gas purchased for resale based on the gas energy consumed or billed. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGEN Mtce Prev for Main Generator



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PGFS Prev Corr for Gas Fuel System Preventive Mtce for the Gas Fuel System which is composed of equipment that provides fuel to the "Combustion Turbine Assembly" (CTG) and the "Heat Recovery Steam Generator" (HRSG).


PGIB Mtce Prev for Instr and Ctrl Boiler



PGIC Mtce Prev for Gen Instr and Ctrl



PGIE Mtce Prev for Instr and Ctrl Electrical



PGRE Purchased Gas Reservation To be used by Corporate Fuel Accounting only. Related to gas purchased for resale. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGRF Purchased Gas Refunds Money returned from gas suppliers for gas which was previously bought and paid for. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased GasPGST Purchased Gas Storage The cost of purchased gas delivered to storage during the year including all costs incurred in underground

storage operations and maintenance.PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGSV Paging Service This activity covers the processing and payment of bills on Pagers use as well as ordering new service and issuing removals/additions to existing service.

PAGE_TLCM Z185 Paging Telecom PAGE_TLCMX Z685 Paging Telecom

PGTC Purchased Gas Transition Costs

To be used by Corporate Fuel Accounting only. Related to gas purchased for resale. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGTP Purchased Gas Take Or Pay To be used by Corporate Fuel Accounting only. Related to gas purchased for resale. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PGTR Purchased Gas Transportation

The cost involved in operating transmission and distribution systems for gas purchased for resale. PURCH_GAS Z191 Purchased Gas PURCH_GASX Z691 Purchased Gas

PHGT Mtce Prev for Turbine Generator



PHRG Mtce Prev for Heat Recov Steam



PHVA Mtce Prev for HVAC Gen All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PHYD Mtce Prev for Hydro Plant All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PIDV PJM Inadvertent Distrib Amt No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


PIPP Percent of Inc Payment Pgrm No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

PISO PJM Activities No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


PITR PJM Transmission Fees Activities associated with support of and coordination with PJM. MISO_RROA Z162 MISO_RROA Related Processes


PJAW Mtce Prev for Jacket and Aux Clng



PLAB Mtce Prev for Lab and Test Equip



PLFP Auction Purchase LFP This activity is used for energy purchases related to the Post 2006 auction process for product LFP. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

PLND Distribution Plan/Asset Perform

Activities associated with planning and asset performance for the electric distribution system. TD_SYS_ADMIN Z223 T and D System Administration


PLOS PJM Losses No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


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PLTG Mtce Prev for Lighting All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PMCB Corporate Budgeting Activities associated with the preparation, strategic and financial analysis, development, and coordination of the corporate budget.



PMDA Personnel Develpmt and Admin

This activity captures the cost to administer and develop individual personal development plans and oversee progress against those plans and performing employee evaluations.



PMIC Project Mgmt Certification Costs

This activity captures costs associated with project management certification costs. WM_GEN Z241 Work Management Gen ADMIN_STA_SUPP Z741 Admin Station Support

PMIS Mtce Prev for Misc All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PMPR Mtce Prev for Pyrite Rmvl All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PMSD Corporate Scorecard Develpmt

This activity involves the labor and other costs to develop and administer the corporate performance scorecard effort including but not limited to gathering both financial and non‐financial data in order to make KPI calculations, distribution and/or reporting. Also development, analysis and feedback/action planning of various metrics such as culture and engagement, customer satisfaction and human capital.



PMWP Price Volatility Make Whole Payment

A MISO charge for Real Time Price Volatility Make‐Whole Payment Amount. This charge provides compensation for market conditions that would erode the margin earned.



PNBO Procurement Non‐Stock (BO's)

All activities associated with preparing, obtaining, and evaluating proposals and preparing blanket orders for non‐stock material. Includes administration of the blanket contract.



PNBR Break This activity is used to track crew non‐productive time due to breaks. PNPT_TD Z188 Paid Non Productive Time T and D

PNPT_TDX Z688 Paid Non Productive Time T and D

PNDL Delay Loading and Services This activity is used to track crew non‐productive time due to loading of materials and performing other services.

PNPT_TD Z188 Paid Non Productive Time T and D


PNDN Delay DOT Inspections This activity tracks crew non‐productive time due to daily DOT inspections of vehicles held at the works headquarters.



PNDR Driving This activity is used to track crew non‐productive time due to driving to the work site. PNPT_TD Z188 Paid Non Productive Time T and D


PNDT Allowed DOT/CDL This activity is used to track crew non‐productive time due to required DOT and CDL inspections of vehicles at off‐site locations.



PNDV Delay Vehicle Refueling/Svs This activity is used to track crew non‐productive time due to vehicle refueling/servicing. PNPT_TD Z188 Paid Non Productive Time T and D


PNDX Delay Other This activity is used to track crew non‐productive time due to delays not described elsewhere. PNPT_TD Z188 Paid Non Productive Time T and D


PNMS Csm Safety Meeting This activity is used to track crew non‐productive time due to safety meetings. PNPT_TD Z188 Paid Non Productive Time T and D


PNMT Csm Apprentice Training Meeting

This activity is used to track crew non‐productive time due to apprentice training meetings. PNPT_TD Z188 Paid Non Productive Time T and D


PNMU Csm Union Affairs This activity is used to track crew non‐productive time due to union affairs meetings. PNPT_TD Z188 Paid Non Productive Time T and D


PNMX Csm All Other This activity is used to track crew non‐productive time during company sponsored meetings other than those described elsewhere.



PNWI Weather Instructional This activity is used to track crew non‐productive time due to instructional activities performed during inclement weather.



PNWS Weather Safety Meeting This activity is used to track crew non‐productive time due to safety meetings during inclement weather. PNPT_TD Z188 Paid Non Productive Time T and D


PNWU Weather Unproductive This activity code is used to track crew non‐productive time due to inclement weather. PNPT_TD Z188 Paid Non Productive Time T and D


PNWX Weather Other Productive This activity tracks crew productive time during inclement weather. PNPT_TD Z188 Paid Non Productive Time T and D


POAR Mtce Prev for Other Ash Rmvl



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POFS Mtce Prev for Other Fuel Support



POOL Steno Pool Support Activities associated with the provision of temporary clerical support to various business line departments. STF_EMP Z207 Staffing and Employment STF_EMPX Z707 Staffing and Employment

POSC Mtce Prev for Oil Storage All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPAD Prior Period Adjustment Billing adjustments resulting from MISO bill or rate changes for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX TotalPPBK Mtce Prev Pumpback Related

SysAll activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPBL Purchased Power Base Load The cost at point of receipt by the utility of electricity purchased from an outside source to be used for the utilities base load.


PPBS Mtce Prev for Pumpback Station



PPCB Mtce Prev for PCB Retrofil All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPDW Mtce Prev for Potable Water All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPEG Power Plant Eng Design Actions associated with preparation of calculations, specifications, general arrangement drawings, construction drawings, bid packages, system sizing, regulator design and material requirements for power plant systems and equipment.



PPFS Mtce Prev for Pulverized Fuel All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPIS Purchased Power Interchg Sales

The cost at point of receipt by the utility of electricity purchased from an outside source for resale to some other utility.


PPMA Propane Plant Maintain Activities associated with the maintenance of propane plant facilities and equipment. PROP_PLT_OPS Z190 Propane Plant Operations PROP_PLT_OPSX Z690 Propane Plant Operations

PPMS Mtce Prev for Pollution Monitoring



PPOP Propane Plant Operate Activities associated with the operation of propane plant equipment. PROP_PLT_OPS Z190 Propane Plant Operations PROP_PLT_OPSX Z690 Propane Plant Operations

PPPP Prim Pgrm Participation Payment


PPRC Mtce Prev for Precipitator All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PPTD Claims Perm Partial and Total Disb

Activities that capture the resource costs associated with investigation, evaluation, defense, and settlement of payments for partial/total disability benefits.


PPWT Mtce Prev for Primary Water Trtmt



PR01 C/O Rcv Purch of Rec Rate 1 Activity to track any chargeoff/recovery on revenue billed on POR RT1 (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries








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PR3A C/O Rcv Purch of Rec Rate 3A Activity to track any chargeoff/recovery on revenue billed on POR RT3A (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


PR3B C/O Rcv Purch of Rec Rate 3B Activity to track any chargeoff/recovery on revenue billed on POR RT3B (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


PRCP Improve Cathodic Protection Reads

Improve Cathodic Protection Reads. This activity includes all labor and materials for those projects used to improve the cathodic protection on the steel piping in the gas system, such that cathodic protection reads are improved. Only apply this activity code to those projects that are to be associated with SB 2266 Performance Reporting.

TD_PFR Z243 T and D Performance Reporting

TD_PFRX Z743 T and D Performance Reporting

PRIN Address Inactive Srv Over 3 Years

Address Inactive Services over 3 Years. This activity includes all labor and materials used to identify and reduce the number of inactive services on the gas system. It can include reduction by correcting records and by service retirements. Identification includes both records research and field vists. Only apply this activity code to those projects that are to be associated with SB 2266 Performance Reporting.



PRLI Auction Purchase RTP Li This activity is used for energy purchases related to the Post 2006 auction process for product RTPLI. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

PRMT Payroll Management This activity captures the labor costs associated with processing and balancing time collection, wages, taxes, garnishments, deductions and any payroll related administration for management (non bargaining unit represented) employees. This includes processing and administration of payments for employees on Long Term Disability.


PRNU PJM Revenue Neutrality Uplift

No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


PRRD Cathodic Protection Remote Devices

Cathodic Protection Remote Devices. This activity includes all labor and materials used to plan, design, and install remotely‐readable cathodic protection devices. Only apply this activity code to those projects that are to be associated with SB 2266 Performance Reporting.



PRRI Mtce Prev Rich Reagent Injection

Activities related to planned, periodic and preventative maintenance,installation of, repair, restoration, re‐work of and operating activities of structures, systems, components or equipment relating to the Rich Reagent Injection System. This includes all tasks associated with emergency work for the Rich Reagent Injection System.


PRRT Payroll Retiree This activity captures the labor costs associated with processing and balancing pension payroll and all pension payroll related administration.


PRRV Remotely Controlled Shut‐off Valves

Install Remotely Controlled Shut‐off Valves. This activity includes the labor and material to plan, design, and install remotely controllable shut‐off valves on the transmission system. Only apply this activity code to those projects that are to be associated with SB 2266 Performance Reporting.



PRSG PJM Rev Sufficiency Guarantee

No definition supplied. MISO_RROA Z162 MISO_RROA Related Processes


PRTP Auction Purchase RTP This activity is used for energy purchases related to the Post 2006 auction process for product RTP. FUEL_PP Z141 Fuel and Purchased Power FUEL_PPX Z641 Fuel and Purchased Power

PRUN Payroll Union This activity captures the labor costs with processing and balancing time collection, wages, taxes, garnishments, deduction and any payroll related administration for bargaining unit represented employees.


PRWS Mtce Prev for Raw Water System



PSAQ Power Supply Acquisition Activities associated with the acquisition of power for the Illinois utilities. BUS_STRPLN Z109 Business and Strategic Planning


PSAS Porter Svcs Auditorium Set Up

This activity covers Porter labor cost involved in setting up the GOB Auditorium for major meetings or seminars. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

PSBO Procurement Stock (BO's) All activities associated with preparing, obtaining and evaluating proposals and preparing blanket orders for stock material. Includes administration of the blanket contract.



PSBS Mtce Prev for Soot Blowing All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PSCW Porter Svcs Cleaning and Windows

This activity covers Porter labor cost involved in performing cleaning tasks and window washing. FAC_MGMT Z138 Facilities Mgmt FAC_MGMTX Z638 Facilities Mgmt

PSFA Mtce Prev for Safety First Aid All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


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PSFM Porter Svcs Furniture Moves This activity covers Porter labor cost involved in moving furniture and other fixtures in Company operated buildings.


PSGS Guard Service This activity captures all resource costs associated with the administration and monitoring of the day and night contract guard services for Company‐owned or leased facilities including the generating stations.

PREM_SEC Z189 Premise Security PREM_SECX Z689 Premise Security

PSIM Product and Svc Implementation

Fulfilling the delivery, implementation and monitoring of new sales. MKT_FUL_SUPP Z163 Marketing Fulfillment and Support

MKT_FUL_SUPPX Z663 Marketing Fulfillment and Support

PSME Monitoring Equipment Mtce Activities associated with maintenance costs on the CCTV/Card Access Systems for Company‐owned or leased facilities


PSPD Porter Svcs Package Delivery This activity covers Porter labor cost involved in delivering large packages received at either a loading dock or mail room to a location with a Company operated building.


PSPO Procurement Stock (PO's) Activities associated with the purchases of goods and services. SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt


PSRS Porter Svcs Room Set Up This activity covers Porter labor cost involved in setting up assembly or conference rooms for major meetings or seminars.


PSSD Mtce Prev for Sanitary Sewage Disp



PSSE Mtce Prev for Station Svc Elec



PSSS Security Systems This activity covers the labor and other resources costs to operate and maintain security equipment such as the ID Badge equipment, surveillance cameras, etc. Internal or outside labor for security guards is covered by the activity "Guard Service"


PSTA Payroll Statistics This activity captures all payroll statistics. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


PSTE Mtce Prev for Steam Plant All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PSYE Mtce Prev for Switchyard Gen



PTLT Power Trading Long Term This activity captures labor and other expenses associated with long‐term (I.e. positions for the next month and beyond, power options, power futures, etc.) physical power trading.

TRADING Z228 Trading Total TRADINGX Z728 TradingX Total

PTOL Mtce Prev for Tools and Equip



PTRB Mtce Prev for Main Turbine All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PTRT Power Trading Real Time This activity captures labor and other expenses associated with real‐time (a.k.a. hourly) physical power trading TRADING Z228 Trading Total TRADINGX Z728 TradingX Total

PTST Power Trading Short Term This activity captures labor and other expenses associated with short‐term (I.e. next day, day ahead, balance of the month, etc.) physical power trading


PUHC External Reporting PUHCA This activity includes the labor involved in preparing financial and other reports for the SEC's PUHCA division RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting External

PVME Mtce Prev for Mobile Equip All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PWEL Mtce Prev for Well Water All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


PWTP Mtce Prev for Water Treatment



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PWWS Mtce Prev for Waste Water All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during


QFMA Qf Market Settlement Cost Adj

Historical fixed factors of market settlement costs applied as a reduction to customer's avoided cost payment (under Rider QF).


QFSA Qf Market Settlement Adj True‐up to actual market settlement costs after MISO 55 day settlement process, reflecting difference between historical fixed factors of market settlement costs and actual market settlement costs for Rider QF customers


QIAA Replace Pre‐1973 Aldyl‐A Main and Srv

Replacement or Retirement of pre‐1973 Aldyl‐A Plastic Mains and Services. This activity includes the replacement or retirement of mains and services that are constructed of pre‐1973 Aldyl‐A plastic and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.

TD_QIP Z244 T and D Qualifying Infrastructure Plant

TD_QIPX Z744 T and D Qualifying Infrastructure Plant

QIAM Gas AMI Modules and Network

Gas AMI where Electric AMI. This activity includes all labor and materials used to install advanced gas metering modules in connection with the installation of advanced electric meters. It does not apply if an advanced electric meter is not also being installed in the same Operating Center by Ameren. The communications network including hardware and software that is to be used to communicate to a gas meter can be included in this activity. This activity code can only be used for work associated with placing an advanced gas meter module in the same Operating Center where an advanced electric meters are is also being installed or have been installed by Ameren. Only apply this activity code to those projects that are to be included in the QIP Rider



QIDL Replace Difficult to Locate Main and Srv

Replace Difficult to Locate Mains and Services. This activity includes the replacement or retirement of those mains and services that are considered to be difficult to locate and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIIO Relocate Meter from Inside to Outisde

Relocation of Meters from Inside Customer's Facilities to Outside. This activity includes all labor and materials to move a meter or meters from inside a customer's facilities to outside including service line work. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIMC Replace Coupled Steel Main and Srv

Replacement or Retirement of Mechanically Coupled Steel Mains and Services. This activity includes the replacement or retirement of mains and services that contain mechanical couplings and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIOM Replace Other Matl Prone to Leakage

Replacement or Retirement of Other Approved Materials Prone to Leakage. This activity includes the replacement or retirement of mains and services that are constructed of some other type of material identified by a State or federal governmental agency as being prone to leakage and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIOP Establish Over‐Pressure Protection

Establish Over‐Pressure Protection. This activity includes the replacement or installation of transmission and distribution regulator stations, regulators, valves, and associatated facilities to establish over‐pressure protection. Only apply this activity code to those projects that are to be included in the QIP Rider.



QITF Replace Gas Trans Pipe Prone to Leaks

Replace Transmission Pipelines that are Prone to Leakage. This activity includes the replacement or retirement of transmission pipelines and associated facilities identified as having a higher risk of leakage or failure and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



QITM Replace Gas Trans Pipe to Establish an MAOP

Replace Transmission Pipelines to Establish an MAOP. This activity includes the installation or replacement of transmission pipelines and associated facilities to establish records and maximum allowable operating pressures and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIUP Upgrade Low to Distribution Pressure

Upgrade Low Pressure to Distribution Pressure. This activity includes all labor and materials to upgrade a gas distribution system from low pressure to distribution pressure, including the installation of high‐pressure facilities to support the upgrade. Only apply this activity code to those projects that are to be included in the QIP Rider.



QIUS Replace Unprotected Steel Main and Srv

Replacement or Retirement of Unprotected Steel Mains and Services. This activity includes the replacement or retirement of mains and services that are constructed of steel that is classified as not cathodically protected and that are to be included in the QIP Rider. Only apply this activity code to those projects that are to be included in the QIP Rider.



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RAHS Project Rmv for Air Heating This action captures all costs associated with the removal/retirement of company systems or equipment for AIR HEATING


RAMA Railcar Maintenance Activities required to maintain the railcar fleet used to deliver coal to the plants. FUEL_TRAN Z142 Fuel Transportation FUEL_TRANX Z642 Fuel TransportationRAPS Project Rmv for Ash Pond

SystemThis action captures all costs associated with the removal/retirement of company systems or equipment for ASH POND SYSTEM


RARE Rate Refunds Amounts previously collected from customers that are refunded back due to a rate structure change. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


RAXB Project Rmv for Auxiliary Boiler

This action captures all costs associated with the removal/retirement of company systems or equipment for AUXILIARY BOILER


RAXS Project Rmv for Auxiliary Steam

This action captures all costs associated with the removal/retirement of company systems or equipment for AUXILIARY STEAM


RBAR Project Rmv for Bottom Ash Removal

This action captures all costs associated with the removal/retirement of company systems or equipment for BOTTOM ASH REMOVAL


RBCC Project Rmv for Boiler Chemical Cleaning

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER CHEMICAL CLNG


RBCF Project Rmv for Boiler Chemical Fd

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER CHEMICAL FEED AND SAMPLE


RBCW Project Rmv for Boiler Circ Water

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER CIRC WATER


RBDS Project Rmv for Boiler Dft System

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER DRAFT SYSTEM


RBEN Benefit Plan Reporting This activity includes the labor costs associated with preparation of annual financial statements for Company benefit plans.

RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting External

RBFW Project Rmv for Boiler Feedwater

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER FEEDWATER


RBLR Project Rmv for Boiler This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER


RBME Project Rmv for Boat and Marine Equip

Removal for BOATS & MARINE EQUIPMENT. This activity is used to maintain a fleet of pontoon boats and trailers for our mosquito spraying operation each summer. This includes engine purchase and repair, and boat/trailer purchase and repair. It also includes


RBSB Project Rmv for Boiler Startup Bypass

This action captures all costs associated with the removal/retirement of company systems or equipment for BOILER STARTUP AND BYPASS


RBYS Project Rmv for Bldg Yard Structure

This action captures all costs associated with the removal/retirement of company systems or equipment for BUILDINGS, YARDS & STRUCTURES


RCAS Project Rmv for Compressed Air

This action captures all costs associated with the removal/retirement of company systems or equipment for COMPRESSED AIR


RCCR Refined Coal Credits This activity code is to be used for fees and payments related to coal refining activities. The payments/credits are related to on‐site coal refining activities performed by third parties (non‐Ameren, non‐coal vendor). The intent of the refining is to improve the combustion and emissions qualities of coal burned at the plants. The costs included refined coal processing fees/credtis, lease revenues and other costs/credits. Internal labor costs should not be used in conjunction with this activity.


RCFR Corp Financial Reporting Internal

Activities associated with preparing, submitting, approving, reviewing, modifying and analyzing business line and other internal management reports. Includes Board of Director's reporting, debt compliance reporting, and Bondable Property reporting.

RPT_INT Z203 Reporting Internal RPT_INTX Z703 Reporting Internal

RCFS Project Rmv for Cyclone Fuel This action captures all costs associated with the removal/retirement of company systems or equipment for CYCLONE FUEL


RCGC Rider Customer Generation Charge

This activity will be used to track CSS billings related to Rider CGC ‐ Customer Generation Charge. SALES Z205 Sales Total SALESX Z705 SalesX Total

RCHP Project Rmv for Coal Handling

This action captures all costs associated with the removal/retirement of company systems or equipment for PLANT COAL HANDLING


RCOM Project Rmv for Communications

This action captures all costs associated with the removal/retirement of company systems or equipment for COMMUNICATIONS


RCON Project Rmv for Condensesr and Aux

This action captures all costs associated with the removal/retirement of company systems or equipment for CONDENSER AND AUXILIARIES


RCRC Project Rmv for Coal Reclaim This action captures all costs associated with the removal/retirement of company systems or equipment for COAL RECLAIM


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RCRS Project Rmv for Coal Receiving

This action captures all costs associated with the removal/retirement of company systems or equipment for COAL RECEIVING


RCTG Project Rmv for Ct Gen This action captures all costs associated with the removal/retirement of company systems or equipment for COMBUSTION TURBINE GENERATOR


RCWS Project Rmv for Circ Water This action captures all costs associated with the removal/retirement of company systems or equipment for CIRCULATING WATER


RDEM Project Rmv for Demin This action captures all costs associated with the removal/retirement of company systems or equipment for DEMINERALIZER


RDRE Regulatory Data Requests This activity captures costs related to collecting, analyzing and reporting information in response to a data request or inquiry from a regulatory commission or agency.


REBU Regulated Bundled Remaining with the current utility for full service including: generation, transmission, and distribution. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


REAC Renewable Energy Adjustment Charge

Renewable Energy Adjustment Charge represents the costs and collections under Rider REA to recover the costs of purchasing renewable energy resources.


RECC Renewable Energy Compliance


RECS Renewable Energy Credits This activity records the purchase/sales of renewable energy credits and all costs associated with managing them.


REDA Economic Develpmt Advertising

This activity includes the labor, expenses, and outside consultant fees associated with advertising collateral materials and to promote the Company as a provider of energy or the Company's territory as a place to locate new industry.

REV_GRWTH Z197 Revenue Growth REV_GRWTHX Z697 Revenue Growth

REDE Research and Development Includes the costs of internal research and development programs as well as those conducted through such organizations as EPRI, IEA, EEI, etc.

RES_DEV Z196 Research and Development

RES_DEVX Z696 Research and Development

REDM Reactive Demand Charge Reactive Demand is the flow of reactive power in kilovars (kVAR) from electric utility's system to customer's facility in any 15‐minute billing demand period, adjusted for energy losses, if applicable. All customers with a Supply Voltage of less than 100 kV shall be billed a fixed charge per kVAR for the maximum 15 minute Reactive Demand measured during the billing period.


REEA Renewable Energy/Energy Assist

Supplemental customer charges added to the filed tariff rate for customer charges pursuant to terms of Section 75, Article 6, Section 85 of House Bill 362, as passed by the 90th General Assembly on November 14, 1997. The utility assesses these monthly charges on customers for Renewable Energy Resources and Coal Technology Development Assistance and Supplemental Low‐Income Energy Assistance.


REFI Regulatory Filing Requirements

Activities associated with support and preparation of schedules for Regulatory Rate Cases and Rate Filings. REGULATORY Z193 Regulatory REGULATORYX Z693 Regulatory

REGA Regulatory Appeals Activities related to preparing, filing, and support of the Regulatory Appeals process. REGULATORY Z193 Regulatory REGULATORYX Z693 RegulatoryREGB Regulatory Briefs Activities related to preparing for and attending Regulatory Briefings. REGULATORY Z193 Regulatory REGULATORYX Z693 RegulatoryREGS Project Rmv for Emergency

GeneratorThis action captures all costs associated with the removal/retirement of company systems or equipment for EMERGENCY / LETDOWN GENERATOR


REHG Regulatory Hearings Activities associated with preparing for and attending Regulatory Hearings. REGULATORY Z193 Regulatory REGULATORYX Z693 RegulatoryRELV Project Rmv for Elev, Cranes

and HoistsThis action captures all costs associated with the removal/retirement of company systems or equipment for ELEVATORS, CRANES AND HOISTS


REPP Regulatory Policy and Planning

This activity captures costs related to analysis of regulatory filings for impacts of pricing, products or market entry, along with collecting and analyzing data. This activity also includes development, recommendation, and implementation of regulatory policy


RERR ES and H Regulatory, Records and Reports

This activity covers the resource costs associated with developing programs to manage environmental recordkeeping and reporting required for compliance, providing support to Company operations to collect and maintain records, coordinating the preparation


RESU Regulatory Support Activities associated with preparing testimony, schedules, and other filing materials, as well as testifying and responding to data requests, for rate cases for regulated affiliates other than financings. This also includes other regulatory support for fi


REXS Project Rmv for Extraction Steam

This action captures all costs associated with the removal/retirement of company systems or equipment for EXTRACTION STEAM


RFAR Project Rmv for Flyash Removal

This action captures all costs associated with the removal/retirement of company systems or equipment for FLYASH REMOVAL


RFCS Project Rmv for Flood Cntl Sys

This action captures all costs associated with the removal/retirement of company systems or equipment for FLOOD CONTROL SYSTEM‐GENERAL


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RFED Regulatory Affairs Federal This action captures costs related to Federal filing/reconciliations, including collecting and analyzing data, monitoring regulatory filing, and preparing and filing documents.


RFGC Project Rmv for Flue Gas Conditioning

This action captures all costs associated with the removal/retirement of company systems or equipment for FLUE GAS CONDITIONING


RFGD Project Rmv for Fuel Gas Delivery

This action captures all costs associated with the removal/retirement of company systems or equipment for FUEL GAS DELIVERY SYSTEMS


RFOP Risk Management Operations

Activities associated with the performance of general risk management activities made necessary by corporate and/or department risk management polices, such as technical analyses, documentation, risk management reporting, oversight body coordination, etc.

RM_FIN Z200 Risk Management Finance RM_FINX Z700 Risk Management Finance

RFOV Risk Management Oversight Activities associated with reviewing internal and external calculations and/or methods related to price forecasting, contract valuation, risk measurement and reporting, etc. Also includes activities associated with review of new product and new venture p


RFPP Risk Mgmt Policies and Procedures

Activities associated with the development, implementation, and administration of corporate and departmental risk management policies and procedures.


RFPS Project Rmv for Fire Protection

This action captures all costs associated with the removal/retirement of company systems or equipment for FIRE PROTECTION


RFRA RTO Ancillary Regulation Adj MISO ASM charge for regulation adjustment. MISO_RROA Z162 MISO_RROA Related Processes


RFRS RTO Ancillary Reg and Freq Res

This service is necessary to provide for the continuous balancing of resources (generation and interchange) with load and for maintaining scheduled Interconnection frequency at sixty cycles per second (60Hz). Regulation and Frequency Response Service is



RFTD Risk Mgmt Technology Developmt

Activities associated with researching and developing new or enhanced technical methods related to risk management, including the formal documentation and review of risk management methods.


RGBD Business Development Activities associated with tasks for identifying, analyzing, purchasing, negotiating, exploring, and exploiting new aspects or lines of business or markets which AMEREN or its subsidiaries does not currently have a basis of operations.


RGCD Community Development Activities associated with providing support to communities in Company's service territory in developing business retention and expansion programs.


RGCE Customer Events Activities associated with the retention of current customers and the attraction of new customers. Includes entertainment forums such as golf tournaments/outings, sporting events, cultural events, and other gatherings.


RGEN Project Rmv for Main Generator

This action captures all costs associated with the removal/retirement of company systems or equipment for MAIN GENERATOR


RGFS Project Rmv for Gas Fuel System

Removal for the Gas Fuel System which is composed of equipment that provides fuel to the "Combustion Turbine Assembly (CTG) and the Heat Recovery Steam Generator" (HRSG).


RGIB Project Rmv for Instr and Ctrl Boiler

This action captures all costs associated with the removal/retirement of company systems or equipment for INSTRUMENTS & CONTROLS ‐ BOILER


RGIC Project Rmv for Gen Instr and Ctrl

This action captures all costs associated with the removal/retirement of company systems or equipment for GENERAL INSTRUMENT AND CONTROLS


RGIE Project Rmv for Instr and Ctrl Electrical

This action captures all costs associated with the removal/retirement of company systems or equipment for INSTRUMENTS & CONTROLS ‐ ELECTRICAL


RGIS Industrial Solicitation Activities associated with attracting new industrial and large commercial customers to locate facilities or offices in Company's service territory.


RGRM Gas Regulatory Matters This activity captures costs related to rate cases, hearings, testimony, and other regulatory proceedings related to gas rate matters.


RGTM Regulatory Testimony Activities associated with preparing for and providing Regulatory witness testimony. REGULATORY Z193 Regulatory REGULATORYX Z693 RegulatoryRHGT Project Rmv for Turbine

GeneratorThis action captures all costs associated with the removal/retirement of company systems or equipment for TURBINE GENERATOR‐GENERAL


RHRG Project Rmv for Heat Recov Steam

This action captures all costs associated with the removal/retirement of company systems or equipment for HEAT RECOVERY STEAM GENERATOR


RHVA Project Rmv for HVAC This action captures all costs associated with the removal/retirement of company systems or equipment for HEATING, VENTILATION AND A/C


RHYD Project Rmv for Hydro Plant This action captures all costs associated with the removal/retirement of company systems or equipment for HYDRO PLANT


RICC External Reporting ICC The labor involved in preparing financial and other reports for the Illinois Commerce Commission. RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting External

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RICM RTP Incremental Meter Chg A monthly charge of $5.00 per meter will be added to bills of Rates DS1, DS2, and DS3 customers, where applicable, if the customer chooses to purchase power and energy from the utility under Rider RTP.


RICN Risk Mgmt Contract Negotiation

All activities associated with negotiation for the procurement of insurance, insurance certificate review, negotiating risk reduction activities and other risk management services.

RM_INSUR Z201 Risk Management Insurance

RM_INSURX Z701 Risk Management Insurance

RIIL Insurance Liability This activity captures the labor and premium expense of liability insurance. RM_INSUR Z201 Risk Management Insurance


RIIP Insurance Property This activity captures the labor and premium expense of property insurance. RM_INSUR Z201 Risk Management Insurance


RIMR Market Risk Analysis This activity captures labor and other expenses associated with market risk analysis, including analysis of open trading positions, the creation and maintenance of "Value at Risk" models, development of mark‐to‐market models and development of forward pri



RINC Residential Incremental Chrg Monthly charge added to DS‐1 Customer Charge to cover costs for implementing and administering Rider PRP ‐ Price Response Program.


RINL Insurance Nuclear Liability This activity captures the labor and premium expense of nuclear liability insurance. RM_INSUR Z201 Risk Management Insurance


RINP Insurance Nuclear This activity captures the labor and premium expense of nuclear property and liability insurance. This activity also includes administering Company nuclear insurance programs, consulting and negotiating risk reduction activities and insurance requirements.



RIRC Risk Management Construction

Activities associated with the developing, directing, procuring and administering Company construction insurance programs and consulting and negotiating risk reduction activities and insurance requirements. This activity does not include employee benefit



RISB Surety and Appeal Bonding This activity captures the labor and premium expense of bonds. RM_INSUR Z201 Risk Management Insurance


RIWC Risk Management Workers Comp

Activities associated with developing, directing and administering Company self insurance programs and consulting and negotiating risk reduction activities and insurance requirements. This activity does not include employee benefit insurance plans.



RJAW Project Rmv for Jacket and Aux Clng

This action captures all costs associated with the removal/retirement of company systems or equipment for JACKET/AUXILIARY COOLING


RLAB Project Rmv for Lab and Test Equip

This action captures all costs associated with the removal/retirement of company systems or equipment for LABORATORY AND TEST EQUIPMENT


RLRQ Customer Requests All costs associated with performing the administrative tasks on customer orders for a service changes, such a service line relocation, including canceling/updating orders in the various customer systems, setting up customers to be billed, etc.

CUST_REL_WRK Z124 Customer Relocation Work

CUST_REL_WRKX Z624 Customer Relocation Work

RLTG Project Rmv for Lighting This action captures all costs associated with the removal/retirement of company systems or equipment for LIGHTING


RMER Regulatory Risk Management This activity captures all resource costs associated with the comprehensive review and advice regarding liability management involving the sale and acquisition of property. It also includes record searches and opinion memos to site characterization and c



RMES Site Remediation This activity captures all resource costs associated with the comprehensive review, project management and oversight, community relations, and advice regarding liabilities and implementation of site management/ remediation efforts of the site. It also includes



RMIS Project Rmv for Misc This action captures all costs associated with the removal/retirement of company systems or equipment for MISCELLANEOUS


RMPR Project Rmv for Pyrite Rmvl This action captures all costs associated with the removal/retirement of company systems or equipment for MILL PYRITE REMOVAL


RMWP Real‐Time RSG Make Whole Payment

A MISO charge for Real‐Time Revenue Sufficiency Guarantee Make Whole Payment Amount. This is a charge type for the guaranteed recovery of production offers for Resources committed by MISO for the Real‐Time market.



ROAR Project Rmv for Other Ash Rmvl

This action captures all costs associated with the removal/retirement of company systems or equipment for OTHER ASH REMOVAL


ROEM Office Equipment Mtce Activities associated with routine reprographics equipment maintenance which may or may not occur with any particular frequency (e.g. days, months, machine hours, etc.)

OFF_EQ_REP Z175 Office Equip and Reprographics

OFF_EQ_REPX Z675 Office Equip and Reprographics

ROES Office Equipment Services This activity captures costs related to procurement (both purchase and lease) and managing of office equipment.



ROFS Project Rmv for Other Fuel Support

This action captures all costs associated with the removal/retirement of company systems or equipment for OTHER FUEL SUPPLY


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ROSC Project Rmv for Oil Storage This action captures all costs associated with the removal/retirement of company systems or equipment for OIL STORAGE AND CONDITIONING


RP01 Fac Recovery Period 1 Activity to track the billling of the calculated fuel adj clause revenue during the recovery period of 10/09‐9/10. SALES Z205 Sales Total SALESX Z705 SalesX Total

RP02 Fac Recovery Period 2 Activity to track the billling of the calculated fuel adj clause revenue during the recovery period of 02/10‐1/11.. SALES Z205 Sales Total SALESX Z705 SalesX Total

RP03 Fac Recovery Period 3 Activity to track the billling of the calculated fuel adj clause revenue during the recovery period of 06/10‐5/11. SALES Z205 Sales Total SALESX Z705 SalesX Total

RPAJ Fac Recovery Adj ‐ Oct 2009‐Sep 2010


RPAP Railcars Plan, Admin and Procuremnt

Activities required to identify and procure railcar needs for the delivery of coal to the plants and verify compliance with existing lease agreements and monitor performance. Major activities include railcar requirements planning, contract administration,


RPBK Project Rmv for Pumpback Related Systems

This action captures all costs associated with the removal/retirement of company systems or equipment for Pumpback Related Systems.


RPBS Project Rmv for Pumpback Station

This action captures all costs associated with the removal/retirement of company systems or equipment for Pumpback Stations.


RPCB Project Rmv for PCB Retrofil This action captures all costs associated with the removal/retirement of company systems or equipment for PCB RETROFILLING


RPDW Project Rmv for Potable Water

This action captures all costs associated with the removal/retirement of company systems or equipment for DOMESTIC / POTABLE WATER


RPEB E Commerce Coordination Bills

This activity captures expenses related to the establishment, maintenance and administration of E‐Commerce electronically billed customer accounts and includes oversight of account setup, contract review and other activities relative to electronically billed acounts.



RPEC E Commerce Coordination Payments

This activity captures expenses related to the establishment, maintenance and administration of E‐Commerce electronic payments of customer accounts and includes oversight of account setup and functional acknowledgements for E‐Commerce payment postings,



RPED Reliability Eng/Asset Perform This activity is for development and support of the ED reliability strategy, electrical equipment life‐cycle analysis and operational guidelines.



RPET Rev Prot Energy Theft Activities associated with investigating, prosecuting, and preventing the theft of gas and/or electric service. REV_PROT Z198 Revenue Protection REV_PROTX Z698 Revenue Protection

RPFI Rev Prot Fraud Investigate Activities associated with the administration, investigation, review, monitoring, and remediation of attempts by customer or other parties to use electronic or other non‐physical means to steal energy or reduce the price paid for it from the Company


RPFS Project Rmv for Pulverized Fuel

This action captures all costs associated with the removal/retirement of company systems or equipment for PULVERIZED FUEL


RPLB Customer Lock Box Processing

This activity captures expenses related to lock box processing of customer payments received, and includes but is not limited to: sorting, opening, scanning and posting payments, preparing and processing bank deposits, balancing of daily receipts and cha



RPMC Miscellaneous Cashiering In addition to normal cashiering duties, this activity includes processing employee expense accounts and retiree insurance premium payments as well as administration of the customer refund accounts.



RPMS Project Rmv for Pollution Monitoring

This action captures all costs associated with the removal/retirement of company systems or equipment for POLLUTION MONITORING


RPNP Rev Prot Cut In and Out Np Disconnections/reconnections resulting from the non‐payment of delinquent accounts or unknown users. REV_PROT Z198 Revenue Protection REV_PROTX Z698 Revenue Protection

RPOL Other Lockbox Processing This activity captures expenses related to processing of other payments and proxies received, and includes but is not limited to: sorting, opening, scanning and posting payments, preparing and processing bank deposits, but excludes the processing of customer



RPRC Project Rmv for Precipitator This action captures all costs associated with the removal/retirement of company systems or equipment for PRECIPITATOR


RPSP Rider Psp Participation Chg The participation charge is a fee to cover Program Administrator costs of managing residential real‐time pricing through Rider PSP.


RPWT Project Rmv for Primary Water Trtmt

This action captures all costs associated with the removal/retirement of company systems or equipment for PRIMARY WATER TREATMENT


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RQ21 Customer Requests St Clearing

Street clearing work performed under St. Louis County Ordinance. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQAM Customer Rqsts Antenna Instlmtc

Activities associated with the installation and maintenance of foreign company antennas on transmission facilities at customer request.

TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQBB Customer Requests Bill Back Cont

Bill back when acting as a contractor. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQCA Customer Requests Accomodation

Activities associated with customer accomodation, including holding/securing poles and equipment, installing/removing coverup, temporary line lifting, etc.


RQCI Customer Requests Cut In and Out

Gas/Electric disconnections/reconnections done at the customer's request, including temporary disconnections/reconnections, successors, and move in/move out activity.


RQCR Customer Requests Customer Relocate

Gas/electric equipment or line relocations performed at the customer's request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQCS Customer Requests Construct Subs

Activities associated with substation construction performed at customer request on either company‐owned or customer‐owned facilities.


RQGC Customer Req Govt Ci Relocate Isrs

Activities associated with the relocation of gas lines at governmental request and are ISRS qualified. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQGR Customer Requests Govt Relocate

Activities associated with the relocation of gas and/or electric lines at governmental request TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQLT Customer Requests Lighting Work

Activities associated with street or dusk‐to‐dawn lighting performed at the customer's request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQMA Customer Requests Maintain Activities associated with the maintenance of transmission equipment at customer request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQOL Customer Requests Construct Ovhd Ln

Construction work on overhead lines performed at special customer request, including foreign company and CATV requests for facility rearrangements, pole installations, additional pole space, andor line relocations.


RQOS Customer Requests Construct Ovhd Svc

Construction work on overhead services performed at special customer request, including foreign company requests for facility rearrangements, pole installations, and/or line relocations.


RQPQ Customer Requests Power Quality Invst

Power quality investigations resulting from customer requests/complaints TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQRM Customer Requests Svc Removal

Activities associated with service removals performed at the customer's request. This includes the removals of substation equipment due to changes in system load or due to specific customer request.


RQSC Customer Requests Scada Test

SCADA testing done on customer owned equipment at customer request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQTS Customer Requests Equip Testing

Equipment testing performed by the Relay Department by specific customer request TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQTT Customer Requests Vegetation Cntl

Tree trimming/vegetation control performed at the customer's request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RQUL Customer Requests Construct Undrgd Line

Construction work on underground lines performed at special customer request, including foreign company and CATV requests for facility rearrangements.


RQUS Customer Requests Construct Undrgd Svc

Construction work on underground services performed at special customer request, including foreign company and CATV requests for facility rearrangements, and/or gas service relocations.


RQUT Customer Requests Unsched Test

Unscheduled testing of customer owned relays or other equipment performed at the customer's request. TD_CUST_REQ Z216 Customer Requests TD_CUST_REQX Z716 Customer Requests

RR12 IL Revenue Requirement Amort

Activity to track revenue requirement amortization for Illinois. SALES Z205 Sales Total SALESX Z705 SalesX Total

RROA SERC NERC Reg Reliability Org

Activities associated with reional reliability organizations. MISO_RROA Z162 MISO_RROA Related Processes


RRPR Reproduction and Printing Activities associated with tasks related to producing printed materials for use by other Ameren departments, such as copying, desktop publishing, binding, etc.



RRR0 Residential Balance Reduction

Legislative settlement for residential customers with more than $1000 in arrears who are not on LIHEAP or who have electrically operated medical equipment in their homes.

SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRR1 Rate Relief Variable Legislative settlement variable credits applied to non‐summer billed use for the period 1/02/07 through the May monthly billing period, per Rider RMC.


RRR2 Rate Relief Fixed Legislative settlement fixed credits covering the period 1/2/07 through 8/07, per Rider RMC. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

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RRR3 Fixed Credit (Rt Relief Ongoing)

Legislative settlement fixed credits covering the monthly billing periods from 9/07 until program termination (12/09), per Rider RMC.


RRR4 Variable Credit (Rt Relief Ongoing)

Legislative settlement variable credits applied to non‐summer billed use for the period 10/07 through 12/31/07, per Rider RMC.


RRR5 Rate Relief Credit Ds2 Legislative settlement fixed credits applied to customers with increases projected to be over certain amounts, per Rider CRM.


RRR6 Rate Relief Credit Ds3 Legislative settlement fixed credits applied to customers under 400KW with increases projected to be over certain amounts, per Rider CRM.


RRR7 Late Pay Charge Write Off Legislative settlement provision to waive late payment charges associated with unpaid electric bills for usage on and after 1/02/07 through the 9/07 billing period.


RRR8 Rate Relief Credit Reimb Generator

No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRR9 Rate Relief Credit Expense No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRA Relief Pgrm Res Cooling No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRB Relief Pgrm Res Bill Payment No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRC Relief Pgrm Res Hardship No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRD Relief Pgrm Percent of Income Hardship


RRRE Relief Pgrm Non‐Res Hardship


RRRF Relief Pgrm Muni Street Lighting


RRRG Relief Pgrm Flourescent Bulb No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRH Relief Pgrm Space Htg Weatherization


RRRI Project Removal for Rich Reagent Injection

This action captures all costs associated with the removal/retirement of company systems or equipment for Rich Reagent Injection.


RRRJ Rate Relief Pgrm Reimb Interge


RRRK Rate Relief Pgrm Exp No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRL Rate Relief Pgrm Reimb Outgen


RRRM Relief Pgrm Res Bal Reduct Sp Hardship


RRRN Relief Pgrm Res Space Heating

Legislative settlement provision for residential electric space heating credits for new premises in 2007 and 2008.


RRRP Relief Pgrm Sup Res Assistance


RRRR Relief Pgrm Sup Liheap Cooling


RRRS Relief Pgrm Res Reconnect Assistance


RRRT Relief Pgrm Res Sr Rate Relief No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRRU Relief Pgrm Non‐Res Supplement


RRRV Relief Pgrm Res Stimulus Rate relief credit for residential. Recipients of credit TBD. SALES Z205 Sales Total SALESX Z705 SalesX Total RATE_RELIEF Z999 Total Rate Relief

RRWS Project Rmv for Raw Water System

This action captures all costs associated with the removal/retirement of company systems or equipment for RAW WATER SYSTEM


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RSBS Project Rmv for Soot Blowing This action captures all costs associated with the removal/retirement of company systems or equipment for SOOT BLOWING


RSCA Reserve Capacity Assurance RCA insures the utility has capacity to serve customers returning from RES service and is applicable to Rider RTP‐L and any RES served customers.


RSCH Rtp Supplier Charge New Retail supply charge applicable to small RTP customers (Rider RTP‐1, ‐2 and ‐3). Combines capacity and ancillary services costs into a single price.


RSEC External Reporting SEC This activity is associated with the distribution of financial information to the SEC. RPT_EX Z202 Reporting External RPT_EXX Z702 Reporting ExternalRSFA Project Rmv for Safety First

AidThis action captures all costs associated with the removal/retirement of company systems or equipment for SAFETY AND FIRST AID


RSFT Software Intercompany Rental

This activity captures costs associated with rental income producing software along with the revenues received from affiliated companies renting Ameren software.


RSGC Rsg Charge Charges for RSG and other MISO settlement costs for RTP‐LI customers. SALES Z205 Sales Total SALESX Z705 SalesX TotalRSHC New Premise 07‐08 Res

Space Heat CreditNo definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

RSSD Project Rmv for Sanitary Sewage Disp

This action captures all costs associated with the removal/retirement of company systems or equipment for SANITARY SEWAGE DISPOSAL


RSSE Project Rmv for Station Svc Elec

This action captures all costs associated with the removal/retirement of company systems or equipment for STATION SERVICE ELECTRICAL


RSTA Regulatory Affairs State This action captures costs related to State filing/reconciliations, including collecting and analyzing data, monitoring regulatory filing, and preparing and filing documents.


RSTE Project Rmv for Steam Plant This action captures all costs associated with the removal/retirement of company systems or equipment for STEAM PLANT


RSUA Rider S Uncollectible Adj No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalRSVC Reactive Supply/Voltage

ContIn order to maintain transmission voltages on the Transmission Provider's transmission facilities within acceptable limits, generation facilities are operated to produce (or absorb) reactive power. The transmission customer's charge will be determined ba


RSYE Project Rmv for Switchyard This action captures all costs associated with the removal/retirement of company systems or equipment for SWITCHYARD


RT3A Chargeoff/Recovery RTP 3A Activity to track any chargeoff/recovery on revenue billed as RTP3A (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


RT3B Chargeoff/Recovery RTP 3B Activity to track any chargeoff/recovery on revenue billed as RTP3B (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries


RTEC Real Time Energy Charge This is the hourly energy price, equal to the Real Time LMP used in MISO administered markets, multiplied by energy that differs from nominated energy provided by customer. This could be positive or negative. This charge is for RTP‐L customers.


RTOL Project Rmv for Tools and Equip

This action captures all costs associated with the removal/retirement of company systems or equipment for TOOLS AND EQUIPMENT


RTP1 Chargeoff/Recovery RTP 1 Activity to track any chargeoff/recovery on revenue billed as RTP1 (SB1299). MISCELLANEOUS Z161 Miscellaneous Acctg Entries








RTPC 1 Time 07 RTP HPSSC Bill Adj One time 2007 credit applied after summer billing period to reflect difference betweeen charging customers based on maximum on‐peak demand (old method) and coincident peak demand (approved August 30, 2007) during summer 2007 billing periods.


RTRB Project Rmv for Main Turbine This action captures all costs associated with the removal/retirement of company systems or equipment for MAIN TURBINE


RTRV Travel and Exp Report Processing

Activity to capture the labor costs related to processing travel and expense report disbursements, cash advance disbursements (direct deposit and checks) and related working fund transfers processed by the Cashiers Working Fund employees.



RTSB Rate Stabilization Adj The Rate Stabilization Adjustment allows for the adjustment of customer's billing. SALES Z205 Sales Total SALESX Z705 SalesX TotalRVME Project Rmv for Mobile Equip This action captures all costs associated with the removal/retirement of company systems or equipment for

VEHICLES AND MOBILE EQUIPMENTWM_GEN Z241 Work Management Gen VME VME Vehicles and Mobile

Equipment

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RW49 Customers with 4/More Outages

This activity captures the costs associated with repair/correction of conditions that result in a customer experiencing 4 or more outages in a 3 year period. This program is part of the reliability improvement program.

REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWA9 Reliability Dist Automation Activities associated with the addition of automated dostribution devices & switches REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWC9 Reliability Buried Cable Rep Activities associated with the replacement of failed direct buried cable using flow mole. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWCA Wholesale Contract Admin All costs associated with performing the wholesale sales contract administrative tasks on customer orders including canceling/updating orders in the various customer systems, calculating and preparing the bills, etc.


RWCI Reliability Cast Iron Replace Cast iron main replacements done as part of a reliability improvement program REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWCN Reliability Conc Neut Cable Activities associated with the replacement of failed concentric neutral primary cable. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWCP Reliability Circuit Perf Imprvmt

Distribution system improvement and reliability work not mandated by State commissions. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWCS Reliability Construction Substation

Activities associated with substation construction required to increase/improve system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWD9 Device Inspection Program This activity captures the costs associated with the repair of conditions found during the device inspection program (CDIS). This program is part of the reliability improvement program.


RWEL Project Rmv for Well Water This action captures all costs associated with the removal/retirement of company systems or equipment for WELL WATER


RWH9 Hendrix Spacer Cable Replaces

This activity is used to track the costs associated with repairing or replacing Hendrix spacer cable installations. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWIP Reliability Inspect Inspections associated with insuring the reliability of the electric system REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability WorkRWIS Reliability Cast Iron Svc

ReplaceCast iron service replacements done as part of a reliability program. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWK9 Reliability Capacitor Program Activities associated with the installation of distribution line capacitors in Ameren CIPS region. This is part of a three year initiative to reduce reactive power factor.


RWL9 Reliability Lightning Program Activities required to correct a lightning problem to improve system reliability REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWM9 Multiple Device Interruption This activity captures the costs associated with repair/correction of conditions resulting in customer interruptions due to mutliple operations of a circuit protective device. This program is part of the reliability improvement program.


RWMA Reliability Maintain Activities to maintain substation and/or transmission equipment associated with reliability improvement projects.


RWMH Reliability Manhole Cleaning Activities associated with manhole cleaning and cable fireproofing, including refilling underground cable joints with insulating oil, degasifying the oil, processing of oil reservoirs, and filling reservoirs with degasified oil.


RWMR Reliability Other Main Replacemt

Gas main replacements done on other than cast iron mains as part of a reliability improvement program REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWOH Reliability Overhaul Periodic overhaul of substation equipment to maintain/enhance system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability WorkRWOL Reliability Construct Ovhd

LineActivities associated with work on overhead lines required to increase/improve system reliability. This includes work conducted under formal reliability programs such as pole inspection, etc. It also includes the voltage conversion of existing lines to enhance system re


RWP9 Reliability Pole Inspection Inspections and retreatments of utility poles as part of a program designed to enhance system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWPR Reliability Pole Reinforce Activities associated with reinforcing poles to improve system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability WorkRWR9 Reliability Infrared Inspect Infrared Inspection of installed equipment as part of a reliability improvement program REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWRA Reliability Subtran Switching This activity captures the costs related to the sub tranimission remote auto switching. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWRP Reliability Routine Repair Non‐emergency repairs to equipment as part of reliability improvement programs REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability WorkRWRR Reliability Regulator Replace Gas regulator replacements done as part of a reliability improvement program. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWRS Reliability Steel Service Replace

Gas steel service pipe replacements done as part of a reliability improvement program. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

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RWS9 Reliability Work Scada Program

Activities associated with the installation of RTUs for SCADA systems in substations. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWSC Reliability Scada Testing SCADA testing activities done to enhance system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability WorkRWST Reliability Scheduled Test Scheduled testing of relays and other equipment performed to maintain or enhance system reliability. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWT9 Reliability Tap Fusing Program

Activities associated with fusing unprotected distribution taps as part of a new reliability program. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWTP Project Rmv for Water Treatment

This action captures all costs associated with the removal/retirement of company systems or equipment for WATER TREATMENT


RWTS Reliability Work Equip Test Equipment testing performed by the Relay Department required to support equipment installations required by reliability programs.


RWTT Reliability Vegetation Control Tree trimming/vegetation control associated with reliability improvement projects. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWU9 Reliability Undgd Inspections This activity is used to capture dollars related to repair work resulting from underground facilities inspections. REL_WRK Z194 Reliability Work REL_WRKX Z694 Reliability Work

RWUL Reliability Construct Undgd Line

Activities associated with work on underground electric lines required to increase/improve system reliability. This includes work conducted under formal reliability programs. It also includes the voltage conversion of existing lines to enhance system re


RWW9 Reliability Worst Feeders Activities associated with the worst performing feeder reliability improvement program as mandated by State commissions.


RWWS Project Rmv for Waste Water This action captures all costs associated with the removal/retirement of company systems or equipment for WASTE WATER


S1SS Info Svcs All Gen Stn Support All activities related to planning, development, maintenance and operation of the company's information systems (enterprise, departmental, individual). This includes the operation and maintenance of the supporting network and mainframe infrastructure. A

NUC8_SS Z174 Nuclear Support Services S1 S1 Provide Information Svcs

S26A Multi Value Project Usage Rate

Activity to record RTO charges/credits by Schedule number. MISO_RROA Z162 MISO_RROA Related Processes


S26C TMEP Cost Recovery ‐ MISO MISO Schedule 26‐C allows for recovery of revenue requirements associated with Targeted Market Efficiency Projects (TMEP) constructed by MISO transmission owners.



S26D TMEP Cost Recovery ‐ PJM MISO Schedule 26‐D allows for recovery of revenue requirements associated with Targeted Market Efficiency Projects (TMEP) constructed by PJM transmission owners.



S2SS Bus Svcs All Gen Stn Support All activities associated with budgeting, cost control, and accounting. This includes the development and administration of the strategic plan; development, monitoring, forecasting and reporting the budget; executive discretionary funds used for activities

NUC8_SS Z174 Nuclear Support Services S2 S2 Provide Business Services

S3SS Doc Control All Gen Stn Support

All costs associated with processing records to ensure they are legible, identifiable and retrievable by establishing and complying with procedures that provide for their collection, review indexing, protection and disposition. Publishing and maintaining

NUC8_SS Z174 Nuclear Support Services S3 S3 Provide Rec Mgmt and Doc Control

S42A Entergy Charge to Recover Interest

Activity to record RTO charges/credits by Schedule number. This activity is related to Entergy and its wholesale customers and represents charges for the accrued and paid interest for transmission customer prepayments consistent with the settlement in FERC Docket No ER04‐886.



S42B Entergy Credit Assoc with AFUDC

Activity to record RTO charges/credits by Schedule number. This activity pertains to Entergy wholesale customers and represents the credits resulting from the AFUDC reversal consistent with the settlement in FERC Docket No. ER04‐886.



S4SS Pers Svcs All Gen Stn Support All activities associated with providing labor relations, organization and human resources development, and human resource related services, employee relocation expenses, providing performance management guidance (setting individual performance goals, mea

NUC8_SS Z174 Nuclear Support Services S4 S4 Provide Personnel Svcs

S5SS Mtce Grnds All Gen Stn Support

All activities related to the planning, administration and maintenance of buildings, facilities, utilities and grounds maintenance. Includes activities associated with providing transportation services and maintenance of other company vehicles for STATION

NUC8_SS Z174 Nuclear Support Services S5 S5 Maintain Grounds and Vehicles

S6SS Com Gov Rel All Gen Stn Support

All activities associated with involving the company in the community for the betterment of the community and the economic well‐being of the company (includes visitor center and public communications). Also includes activities related to political action

NUC8_SS Z174 Nuclear Support Services S6 S6 Suppt Community and Government

S7SS Prof Assn All Gen Stn Support All activities associated with efforts to represent the company and provide technical input to committees, owner groups and industry, professional and trade associations that support the electric utilities' interest. Includes dues for these types of activities

NUC8_SS Z174 Nuclear Support Services S7 S7 Support Industry Prof Assns

SAAD Safety Administration All costs associated with Safety Administration (excludes Safety training.) SAF_HEALTH Z204 Safety and Health SAF_HEALTHX Z704 Safety and Health

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SACS T and D Systm Admin Clerical Support

This activity covers clerical support and estimating support at the GOB/headquarters. TD_SYS_ADMIN Z223 T and D System Administration


SADF T and D System Admin Drafting

Drafting expenses incurred by District and GOB personnel in support of T&D operations. TD_SYS_ADMIN Z223 T and D System Administration


SAEN T and D System Admin Engineering

Engineering associated with operation of the T&D system performed by GOB/headquarters personnel. TD_SYS_ADMIN Z223 T and D System Administration


SAES System Admin Estimating Estimating time associated with District/Region operations not attributable to direct overheads. This includes estimating work done by GOB/headquarters personnel.



SAFA Service Area Franchise Admin

Activities associated with negotiating rates and administering service area franchise agreements with muni's, coops, etc.


SAMD System Admin Miscellaneous Miscellaneous expenses associated with T&D (transmission and distribution) System administration. TD_SYS_ADMIN Z223 T and D System Administration


SAMT System Admin Major Tools Activities associated with administering T & D system. TD_SYS_ADMIN Z223 T and D System Administration


SAOS System Admin Office Supplies

Activities associated with obtaining office supplies or other office related expenses. TD_SYS_ADMIN Z223 T and D System Administration


SARE System Admin Rentals Equipment rentals associated with the T&D business line TD_SYS_ADMIN Z223 T and D System Administration


SASS Prof Assn for Stn Support Gen

All activities associated with efforts to represent the company and provide technical input to committees, owner groups and industry, professional and trade associations that support the electric utilities' interest. Includes dues for these types of activities


SASV T and D System Admin Supervision

Supervision costs for GOB/headquarters personnel. TD_SYS_ADMIN Z223 T and D System Administration


SAWQ System Admin Welder Quals Activities associated with developing and administering welder qualification programs. TD_SYS_ADMIN Z223 T and D System Administration


SBAD Supply Balancing Adjustment No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX Total

SC01 RTO Sch 1 Sch Sys Cntrl/Dsptch



SC02 RTO Sch 2 React Supp Volt Cntr



SC07 RTO Sch 7 Firm PTP Trans Activity to record RTO charges/credits by Schedule number. MISO_RROA Z162 MISO_RROA Related Processes


SC08 RTO Sch 8 Non‐Firm PTP Trans



SC10 RTO Sch 10 Cost Recovery Adder



SC14 RTO Sch 14 Reg Through and Out



SC16 RTO Sch 16 Ftr Admin Activity to record RTO charges/credits by Schedule number. MISO_RROA Z162 MISO_RROA Related Processes


SC17 RTO Shc 17 Da Rt Market Admin



SC18 RTO Sch 18 Sub Region Fate Adj



SC20 RTO Sch 20 Treatment Power Station



SC21 RTO Sch 21 Seca Paid By PJM Activity to record RTO charges/credits by Schedule number. MISO_RROA Z162 MISO_RROA Related Processes


SC22 RTO Sch 22 Seca Paid By MISO



SC24 RTO Sch 24 Cntl Area Recovery



SC26 RTO Sch 26 Network Upgrade Trans



SC33 RTO Sch 33 Black Start Service



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SC34 RTO Sch 34 Penalty Assessment



SC37 MTEP Project Cost Rec‐ATSI Zone

Activity to record RTO charges/credits by Schedule number. This activity is related to First Energy. MISO_RROA Z162 MISO_RROA Related Processes


SC38 MTEP Project Cost Recovery for CIN Zone

Activity to record RTO charges/credits by Schedule number. This activity is related to Duke Ohio and Duke Kentucky. Schedules 37 and 38 are a subset of the costs and revenues that were previously included in in Schedule 26. These new schedules were needed as a result of certain transmission owners leaving MISO for PJM and no longer taking MISO transmission service, but still being responsible for paying for projects that were approved while they were still members.



SC41 Charge to Recover Entergy Storm Securitization

Activity to record RTO charges/credits by Schedule number. This activity is related to Entergy and its wholesale customers and represents their share of the storm recovery costs previously accepted by FERC.



SC45 Cost Recovery of NERC Recommendation or Essential Action

Activities associated with MISO Schedule 45 ‐ Cost Recovery of NERC Recommendation or Essential Action MISO_RROA Z162 MISO_RROA Related Processes


SC47 Charge to Recover Entergy Transition

Activity to record the recovery of the deferred operation and maintenance costs and accured carrying charges accumulated by the Entergy Operating Companies related to their integration into MISO (collectively, the "Transition Costs").



SC50 O&M Recovery ‐ Transmission Owner Interconnection Facilities

MISO Schedule 50 allows transmission owners to recover from interconnection customers expenses associated with the operation, maintenance, and repair of interconnection facilities.



SCEX Expediting This activity captures the labor and other costs associated with expediting the delivery of materials or equipment purchased to meet a specific date required by the requisitioner.



SCFT Freight and Transportation Handling

All activities to move material into and out of Ameren's system including moves internal to the Ameren system. SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt


SCGA PGA Commodity Gas Adj Step 2


SCGC PGA Commodity Gas Charge Activity to capture charges for system gas revenue that is the commodity component in determining purchased gas adjustments.


SCIP Invoice Processing This activity captures the task of processing and tracking invoices related to purchases. SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt


SCMM Materials Management All actions relating to the identification, tracking, and stock level maintenance of warehoused materials prior to use. Includes inventory planning, inventory control and optimization, tool control and maintenance, consumable/free issue management, recor


SCMV Minority Vendor Admin All activities associated with Minority and Women owned business development. SRC_SUPP_CM Z206 Sourcing and Supply Chain Mgmt


SCNA Contract Negotation and Admin

All activities associated with contracting for "on‐site" services. Includes the development, awarding and maintenance of contracts associated with services rendered from third parties.



SCOF Customer Sales Off System Activity to capture the cost of Off System Sales SALES Z205 Sales Total SALESX Z705 SalesX Total

SCON Customer Sales On System Activity to capture the cost of On System Sales SALES Z205 Sales Total SALESX Z705 SalesX Total

SCPD Contract Proposal and Developmt

Developing proposals and contracts, which includes responding to customer RFPs. SALES Z205 Sales Total SALESX Z705 SalesX Total

SCPP Process and Procedure Admin

Includes all activities associated with changes, modifications, or improvements in the procurement processes or procedures.



SCSM Supplier Management Includes all activities related to new/existing supplier evaluation including adding to the acceptable suppliers' list, resolving disputes, commodity team activities and performance management.



SCSS Com Gov Rel for Stn Sprt Gen All activities associated with involving the company in the community for the betterment of the community and the economic well‐being of the company (includes visitor center and public communications). Also includes activities related to political action


SDGC PGA Demand Gas Charge Activity to capture charges for system gas revenue that is the demand component in determining purchased gas adjustments.


SDOR Dielectric Oil Reclamation Activities associated with processing dielectric oil for reuse. SUPP_CHN_SO Z208 Supply Chain Shop Operations


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SFAP Supplier Fee Auction Purchase

The supplier fee is to reimburse for the total costs of the Illinois auction and related costs associated with providing administration to the LFP and FP products.


SFCO Storage Field Ops Construct Construction required for gas storage field operations. GAS_STOR_FO Z144 Gas Storage Field Operations

GAS_STOR_FOX Z644 Gas Storage Field Operations

SFIP Storage Field Ops Inspect Inspections associated with gas storage field operations. GAS_STOR_FO Z144 Gas Storage Field Operations


SFMA Storage Field Maintain Maintenance of gas storage fields and equipment GAS_STOR_FO Z144 Gas Storage Field Operations


SFOP Storage Field Operate Activities associated with the normal operation of gas storage fields and equipment GAS_STOR_FO Z144 Gas Storage Field Operations


SFPA Storage Field Ops Patrolling Routine patrolling of gas storage fields as part of normal operations GAS_STOR_FO Z144 Gas Storage Field Operations


SFWD Storage Field Ops Well Drill Well drilling associated with gas storage field operations GAS_STOR_FO Z144 Gas Storage Field Operations


SFWW Storage Fields Well Workover

Well work over work associated with gas storage field operations GAS_STOR_FO Z144 Gas Storage Field Operations


SGCG Solar Generation Charge This activity code is associated with the MO Subscriber Solar program and represents the fixed piece of the charge related to billed Subscribed Solar KWH blocks. The Subscribed solar KWH blocks will replace an equal amount of KWH the customer would otherwise be billed under their energy charge.


SGCL System Growth Construct Line

Activities associated with making improvements to the existing gas/electric lines resulting from general load growth not attributable to a specific customer.

TD_SYS_GRW Z224 T and D System Growth TD_SYS_GRWX Z724 T and D System Growth

SGCO System Growth Construct Activities associated with making improvements to the existing gas/electric system resulting from general load growth not attributable to a specific customer.


SGCS System Growth Construct Subs

Activities associated with making improvements to substations, including new substation construction, resulting from load growth not attributable to a specific customer. This includes equipment installation and removal.


SGOL System Growth Construct Ovhd Line

Activities associated with making improvements to existing electric overhead lines resulting from general load growth not attributable to a specific customer. This includes the voltage conversion of existing lines.


SGSC System Growth Scada Test SCADA testing associated with additions for system growth. TD_SYS_GRW Z224 T and D System Growth TD_SYS_GRWX Z724 T and D System Growth

SGST System Growth Scheduled Test

Scheduled testing of relays and other equipment done to support additions due to system growth. TD_SYS_GRW Z224 T and D System Growth TD_SYS_GRWX Z724 T and D System Growth

SGTS System Growth Equip Testing Equipment testing performed by the Relay Department to support equipment installations required by load growth.


SGTT System Growth Vegetation Cntl

Vegetation control activities associated with system improvements due to load growth TD_SYS_GRW Z224 T and D System Growth TD_SYS_GRWX Z724 T and D System Growth

SGUL Sys Growth Construct Undgd Line

Activities associated with making improvements to existing electric/gas underground lines resulting from general load growth not attributable to a specific customer. This includes the voltage conversion of existing lines.


SISO Southwest Power Pool Activities

Activities associated with support of and coordination with the Southwest Power Pool (SPP). MISO_RROA Z162 MISO_RROA Related Processes


SISS Info Services for Stn Support Gen

All activities related to planning, development, maintenance and operation of the company's information systems (enterprise, departmental, individual). This includes the operation and maintenance of the supporting network and mainframe infrastructure. A


SLAD SLA Development and Admin This activity covers the labor and other costs to prepare and administer service level agreements with any of Ameren's Business Lines or Subsidiaries.



SOCE T and D Ops Comm Equpt Activities associated with work on Company owned communications equipment by Transmission Department personnel.


SOCR Capacitor Repairs All activities directly related to the repair, restoration, or rework of capacitors that fail to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



SODI T and D Operations Dispatching

Dispatching labor associated with transmission and distribution system operations TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOFA Fabrication Activities associated with the shop fabrication of special materials or tools, equipment, or other special items not general available for purchase.



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SOGO Other Gas Operations Activities associated with other gas operations. TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D OperationsSOIP T and D Operations Inspect Inspections associated with normal operation of the electric system TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOLI T and D Ops Leak Investigations

Leak investigations performed as part of routine T&D system operations. TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOLM T and D Ops Load and Unload Material

Loading and unloading material by substations personnel to support system operations. TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOLO T and D Ops Locate Locating and marking underground cable and gas lines as part of routine system operations. This activity is peformed under the Missouri One Call and Illinois JULIE programs


SOLR Solar Generation Support This activity is to be used for costs associated with the construction, operation and maintenance of Solar Generation systems.

WM_GEN Z241 Work Management Gen ADMIN_STA_SUPP Z741 Admin Station Support

SOLS T and D Ops Leak Survey Routine gas leak surveys performed as part of the gas system operations TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D OperationsSOLT T and D Operations Lighting

WorkActivities associated with work on street or dusk‐to‐dawn lights as part of normal system operations. TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOOP T and D Operations Operate Routine operation of gas and electric equipment or components to support the normal operation of the T&D system. Gas operations include, but are not limited to, recording chart changing, system pressure checks, rectifier reads, and clearing of drips.


SOPA T and D Ops Patrolling Routine patrolling of the electric system TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D OperationsSOPL T and D Ops Light and Relight

PilotsLighting and/or relighting pilot lights at customer request or as part of the restoration of service. This also includes clearing red tags on gas equipment or appliances.


SORI T and D Ops Reg Station Insp/Exp

Activities associated with regulator station inspection and expenses not associated with requlatory code compliance.


SORP T and D Ops Routine Repair Non‐emergency equipment repairs peformed as part of normal system operations TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SOSR Switch Repairs All activities directly related to the repair, restoration, or rework of electric switches that fail to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



SOSW T and D Ops Switching Routine switching operations in support of normal system operations TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D OperationsSOTR Tool Repairs All activities directly related to the repair, restoration, or rework of major tools that fail to perform the designed

function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



SOTT T and D Ops Vegetation Control

Tree trimming/vegetation control associated with normal system operations. TD_OPER Z221 T and D Operations TD_OPERX Z721 T and D Operations

SPCA Supply Cost Adjustment This activity represents the Supply Cost Adjustment within Rider MV that allows for the recovery of procurement, cash working capital and uncollectible costs associated with providing Utility supplied power for RTP‐L and RTP‐LI customers.


SPFU Spent Fuel Costs An annual fee of all nuclear utilities paid to the Nuclear Waste Fund as provided for in the Nuclear Waste Policy Act of 1997. This money will be used by the D.O.E. for study and provide for spent fuel disposal in the United States.



SPNS Procurement Non‐Stock All activities associated with the evaluation and procurement of non‐stock materials. Includes processing and administration of purchase requisitions, purchase orders and internal supply requests. (Note ‐ For procurement of non‐stock materials or services



SPPA Supply Procurement Adj The Supply Procurement Adjustment compensate the utility for all direct and indirect costs of procuring and administering electric power and energy supply for its customers, other than amounts incurred under Supplier Forward Contracts or amounts recovered under the cash working capital adjustment, the uncollectible adjustment, the MVAF, and the CSF.


SPRS RTO Ancillary Spinning This service is needed to serve load immediately in the event of a system contingency. It may be provided by generating units that are on‐line and loaded at less than maximum output.



SRCS System Repair Construct Subs

Activities associated with substation construction required to make repairs resulting from equipment failures, storm damage, or public induced damage.

TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRER System Repair Emergency Repairs

Emergency repairs of the electric/gas system to restore service interruptions. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRGM Other Gas Maintenance Other gas maintenance work TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System RepairSRLT System Repair Lighting Work Activities associated with the repair of street or dusk‐to‐dawn lights. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRMA System Repair Maintain Corrective maintenance on substation and/or transmission equipment performed to restore system operation. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

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SRML Gas Main Leak Repair Activities associated with gas main leak repair. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System RepairSRMM Gas Meter Maintenance Activities associated with gas meter maintenance. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System RepairSRMP RTO Ancillary Ramp

CapabilityThese charges compensate ramp‐capable capacity for expected and unexpected net load variations which can be used in a future interval dispatch when needed.



SRMR System Repair ‐ Minor Storms

Emergency repairs of the electric/gas system to restore service interruptions due to minor storms. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SROL System Repair Construct Ovhd Line

Construction activities required to make repairs to the electric system overhead lines resulting from equipment failures, storm damage, or public induced damage, including defective pole and transformer replacements.


SROS System Repair Construct Ovhd Svc

Construction activities required to make repairs to electric system overhead services resulting from equipment failures, storm damage, or public induced damage, including defective pole and transformer replacements.


SROU System Repair Outside Utility Construction activities performed for outside utilities when providing assistance in repairing storm damage. This activity is to be used when AmerenUE/CIPS crews and/or personnel are sent to assist other utilities in storm restoration


SRRC Summer Rate Relief Credit The summer rate mitigation credit is the mitigation credit applied to residential use in 2007. SALES Z205 Sales Total SALESX Z705 SalesX Total

SRRP System Repair Routine Repair

Non‐emergency repairs made to the gas/electric system TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRSC System Repair Scada Test SCADA testing done as part of system repairs. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System RepairSRSL Gas Service Leak Repair Activities associated with gas service leak repair. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System RepairSRSR System Repair Storm Repair Activities associated with repairs to the electric system due to storm induced damage. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRST System Repair Scheduled Test

Scheduled testing of relays and other equipment done to support repairs to the electric/gas system. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRTR System Repair Transformer Rewind

Transformer rewind activities performed by or for the substation group.. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRTS System Repair Equip Testing Equipment testing performed by the Relay Department required to support repairs to the electric/gas system TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRTT System Repair Vegetation Cntl

Tree trimming/vegetation control associated with repairs to the gas/electric system. TD_SYS_RPR Z225 T and D System Repair TD_SYS_RPRX Z725 T and D System Repair

SRUL System Repair Construct Undgd Line

Construction activities required to make repairs to the electric/gas system underground lines resulting from equipment failures, storm damage, or public induced damage, including transformer replacements.


SRUS System Repair Construct Undgd Svc

Construction activities required to make repairs to the electric/gas system underground services resulting from equipment failures, storm damage, or public induced damage, including transformer replacements.


SSCD Schedule Sys Ctrl and Disp Service

This is a charge to the transmission customer for scheduling the movement of power through, out of, within, or into a Control Area.


SSLR Street Light Repairs All activities directly related to the repair, restoration, or rework of street lights that fail to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



STFC Solar Total Facilities Charge This activity code is associated with the MO Subscriber Solar program and represents the transmission/distribution piece of the charge (can change with future rate cases) related to billed Subscribed Solar KWH blocks. The Subscribed solar KWH blocks will replace an equal amount of KWH the customer would otherwise be billed under their energy charge.


STRR Transformer Repairs All activities directly related to the repair, restoration, or rework of transformers that fail to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



STSS Task Teams For Stn Support No definition supplied. SUPP_SRV_GEN Z210 Support Services Gen STATION_SUPPORT Z710 Station Support

SURS RTO Ancillary Supplemental This service is needed to serve load in the event of a system contingency; however it is not available immediately to serve load but rather within a short period of time. It may be provided by generating units that are on‐line but unloaded, by quick‐star



SVRR Voltage Regulator Repairs All activities directly related to the repair, restoration, or rework of voltage regulators that fail to perform the designed function where the purpose is to restore them to a condition where they can be sent back out to a job or put back in inventory.



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T1SS Dvlp Trng All Gen Stn Support

All activities associated with the development of training programs, including the development of training programs, instructor preparation time, production of class materials and the assessment of the training. Some examples are: INPO accreditation activities

NUC6_T Z172 Nuclear Training T1 T1 Develop Training Programs

T2SS Conduct Training All Gen Stn Support

All activities associated with conducting training. Some examples are: INPO accreditation activities, human performance improvement, qualification/certifications, fire drills, employee development training, job specific (discipline) training and operator

NUC6_T Z172 Nuclear Training T2 T2 Conduct Training

T3SS Attend Training All Gen Stn Support

All participants time in attending training courses. This includes classroom instruction, one‐on‐one training, correspondence courses, self‐study, computer‐based training, specialized training, participation in human performance improvement training, on

NUC6_T Z172 Nuclear Training T3 T3 Attend Training

TAAT Analysis Atc Posting Activities associated with Available Transmission Capacity determination and posting. TRN_SVC_ANLYS Z233 Transmission Service Analysis

TRN_SVC_ANLYSX Z733 Transmission Service Analysis

TALR Analysis Line Loading Relief Activities associated with relieving transmission line loading. TRN_SVC_ANLYS Z233 Transmission Service Analysis

TRN_SVC_ANLYSX Z733 Transmission Service Analysis

TBLT Cellular Service ‐ Tablet This activity covers the processing and payment of bills on cellular service for tablet devices as well as ordering new service and issuing removals/additions to existing tablet service.


TBSC Rider TBS Capacity Charge No definition supplied. SALES Z205 Sales Total SALESX Z705 SalesX TotalTCRA Tariff and Customer

Relationship AdminActivities associated with administering file tariffs. This includes interpretations, complaints, computation of bills, etc.


TCTG Contracted CTG OM Overtime

Billed overtime associated with contracted O & M services for Combustion Turbine Generators. WM_CTG Z239 Work Management Ctg CTG CTG Combustion Turbine Generator

TDIS Dispatch Transmission Dispatching

Activities associated with dispatching transmission services. TRN_DSPTCH Z231 Transmission Dispatching TRN_DSPTCHX Z731 Transmission Dispatching

TDSC Transport Delivery Gas Service


TENS Transport Engineering Support

This activity involves evaluation of Transport technology (private microwave, fiber optics) options, telecom systems design, and definition of high level and detailed technical specifications.

TRN_SYS Z234 Transport Systems TRN_SYSX Z734 Transport Systems

TKWH Rider Ts Uncollectibles KWH The uncollectibles "included in rates" associated with serving kWh metered Rider TS customers, who would also be taking BGS service. This revenue is kept by the company.


TLCM Telecom Loading This activity captures all costs associated with the telecom loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


TLSC Transport Leased Circuits This activity covers the processing and payment of bills on dedicated, single‐use, leased circuits as well as ordering new service and issuing removals/additions to existing service.


TMEC Stock Material Delivery Callaway

Activities associated with the transport of stock material and equipment for Callaway Plant. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TMED Material and Equipment Delivery

Activities associated with the transport of material and equipment from one geographic location to another. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TMEM Stock Material Delivery Metro

Activities associated with the transport of stock material and equipment for T&D Metropolitan Districts. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TMEO Stock Material Delivery Other Activities associated with the transport of stock material and equipment for other work groups. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TMEP Pole Delivery Activities associated with the transport of distribution and transmission poles. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresTMER Stock Material Delivery

RegionalActivities associated with the transport of stock material and equipment for Regional Districts SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TMTC Transport Maintenance Work performed on the transport system to either prevent failure or to restore the system to operation after a failure has occurred.


TMUA Transport Moves/Upgrades/Adds

This activity covers the resource costs associated with physically moving, adding, or upgrading transport system equipment.


TPIS Transfer Plant in Service Activities that capture the costs associated with transfer plant in service. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


TRAI Training Non‐Safety in Illinois Activities associated with "attending" non‐safety training that meets the requirements for the Illinois tax credit. Generally, requirements for the Illinois tax credit include: 1)Illinois residents attending non‐safety training anywhere in Missouri, Illinois or any other place. 2)Non‐Illinois residents attending non‐safety training in the State of Illinois.

TRAINING Z229 Training Total TRAININGX Z729 TrainingX Total

TRCD Commodity Margin Reporting/Analysis

Activities associated with the review, negotiation, and administration of Master Trading Agreements (i.e. tariffs, enabling agreements, ISDA's, etc.) with counterparties. No new definition provided after activity name change.

TRAD_OPER Z227 Trading Operations TRAD_OPERX Z727 Trading Operations

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TRCN Trading Confirmations Activities associated with the documentation of transactions with counterparties. This includes written and verbal communications with counterparties and tracking deal status to execution.


TRCV Trading Data Collect and Verification

Activities associated with populating Ameren Energy's operating system with transactional information. This includes set‐up and maintenance of the operating system, verification of data accuracy and integrity, and maintenance of counterparty/contact info


TRDI Training Developmt in Illinois Activities associated with "developing" training that meets the requirements for the Illinois tax credit. Generally, requirements for the Illinois tax credit include: 1)Employees developing training in the State of Illinois. This could also include employees in Missouri developing training for the State of Illinois. 2)Vendors developing or conducting training in the State of Illinois.


TRES Trunked Radio Engineering Support

This activity involves evaluation of Trunked radio options, telecom systems design, definition of technical specifications, and daily support of Trunked radio system operations.

TRUNKED_RADIO Z235 Trunked Radio TRUNKED_RADIOX Z735 Trunked Radio

TRFC Transformation Charge The Transformation Charge is a charge by the utility, for utility‐owned and operated transformation, to transform electric energy from Supply Voltage to the Delivery Voltage as required by retail customers under Rates DS‐3 and DS‐4. The customer's kW for the transformation charge is based on the highest billing demand in the most recent 12 monthly billing periods including the current billing period. The customer is billed a fixed charge per kW.


TRIM Trunked Radio Infrastructure Mtce

This activity covers the maintenance of the Trunked radio infrastructure. TRUNKED_RADIO Z235 Trunked Radio TRUNKED_RADIOX Z735 Trunked Radio

TRKW Transmission Svc KWH Charge

Transmission Service kW Charge represents recovery of transmission‐related costs from retail customers taking electric supply service from the utility not recovered otherwise through Rider MV which is based upon a kW basis.


TRMC Trunk Radio Mobile/Ctrl Base Mtce

This activity covers the maintenance of mobile radios and control bases for the Trunked radio system. TRUNKED_RADIO Z235 Trunked Radio TRUNKED_RADIOX Z735 Trunked Radio

TRML 3rd Party Coal Terminal Activities

This activity includes the revenues and costs associated with operating 3rd party coal terminals at Meramec Plant and the Gateway Terminal.


TRMS Transmission Service KWH Charge

Transmission Service kWh Charge represents recovery of transmission‐related costs from retail customers taking electric supply service from the utility, not recovered otherwise through Rider MV, which is based upon a kWh basis.


TRMU Trunked Radio Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading Trunked radio equipment.

TRUNKED_RADIO Z235 Trunked Radio TRUNKED_RADIOX Z735 Trunked Radio

TRNA Training Attend Activities associated with taking/attending training courses or seminars which are required to satisfy the training requirements of that individual employee's position description or job class or are at the discretion of management. NOT VALID AT AMS


TRND Training Developmt and Delivery

Activities associated with developing and delivering training programs. This includes need/gap analyses, developing associated training plans, developing class materials, preparing for and delivering training, and assessing the training. NOTE: Training


TRNL Leadership Development Providing development experiences to various levels of leadership such as Supervisor Orientation, Management Development Forum and IMS certifications. Increasing effectiveness of existing and future leadership through executive coaching and planning for future capacity through succession planning.


TRPM Trunked Radio Portable Mtce This activity covers the maintenance of portable radios for the Trunked radio system. TRUNKED_RADIO Z235 Trunked Radio TRUNKED_RADIOX Z735 Trunked Radio

TRPS Power Scheduling This activity captures labor and other expenses associated with physical power scheduling. This includes recording trades in OASIS and PowerWorks


TRSF Training Safety Mandated This activity covers the labor and other costs associated with attending OSHA, DOT, NRC or any other regulatorial required safety training.

SAF_HEALTH Z204 Safety and Health SAF_HEALTHX Z704 Safety and Health

TRSI Training Safety in Illinois Activities associated with attending safety training in Illinois. Generally, requirements for the Illinois tax credit include: 1)Illinois residents attending safety training anywhere in Missouri, Illinois or any other place. 2) Non‐Illinois residents attending safety training in the State of Ilinois.


TRSM Training Safety Meetings This activity covers the labor costs and any other expenses associated with weekly safety meetings required in the bargaining unit contract.

SAF_HEALTH Z204 Safety and Health SAF_HEALTHX Z704 Safety and Health

TRUN Transmission Unbundled The delivery of electricity from a generating facility to local utility distribution facilities, typically over high voltage power lines.


TSAD Telephone System Admin This activity covers the processing of telephone bills on dedicated circuits, the ordering of new dedicated circuits, and issuing removals/additions to existing circuits.

TELE_SYS Z226 Telephone System TELE_SYSX Z726 Telephone System

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TSCA Transmission Sch Contract Admin

Activities associated with contract administration for the transmission system. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSEN Transmission Sales Energy This is a charge to the Transmission Customer each month for reserved capacity. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSES Telephone System Engineering Support

This activity involves evaluation of telephone technology options, telecom systems design, definition of detailed technical specifications, and daily support of telephone system operations.


TSKW Rider Ts Uncollectibles KW Dem

The uncollectibles "included in rates" associated with serving kW metered Rider TS customers, who would also be taking RTP or HSS service (possibly BGS customers, but not normally). This revenue is kept by the company.


TSLC Transmission Svc Losses Capacity and energy losses occur when a Transmission Provider delivers electricity across its transmission facilities for a Transmission Customer. This is a charge when the Transmission Customer agrees to have the Transmission Provider supply the capacity


TSLD Long Distance Telephone Services

This activity covers the processing and payment of bills on Long Distance Service as well as ordering new service and issuing removals/additions to existing service.


TSLE Transmission Svc Losses Energy

Capacity and energy losses occur when a Transmission Provider delivers electricity across its transmission facilities for a Transmission Customer. This is a charge when the Transmission Customer agrees to have the Transmission Provider supply the capacity


TSMC Telephone System Maintenance

Work performed on the telephone system to either prevent failure or to restore the system to operation after a failure has occurred.


TSMU Telephone System Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading telephone system equipment.


TSPD Transmission Sch Procedure Develpmt

Activities associated with the development of procedures for the transmission scheduling system. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSPL Transmission Planning This action serves to consolidate costs associated with the Transmission Planning process. TRAN_SYS_PLN Z230 Transmission System Planning

TRAN_SYS_PLNX Z730 Transmission System Planning

TSRL Transmission Svc Revenue Losses

Capacity and energy losses occur when a Transmission Provider delivers electricity across its transmission facilities for a Transmission Customer. This is a charge when the Transmission Customer agrees to have the Transmission Provider supply the capacity


TSRN Transmission Sch Retail Network

Activities associated with developing and administering retail access to the transmission system. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSSB Substation Telephone Services

This activity covers the processing and payment of bills for Substations as well as ordering new service and issuing removals/additions to existing service.


TSSD Transmission Sch Scheduling Activities associated with scheduling transmission service by the ESO. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSSM Telephone Systm Software Mtce

Work performed on the software associated with the telephone system to either prevent failure or to restore the system to operation after a failure has occurred.


TSSS Transmission Sch Sch System Activities associated with the operation of the transmission scheduling system. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSST Switched Telephone Services This activity covers the processing and payment of bills on Direct In Dials, Out Dials, Central Office Lines, and Incoming trunks as well as ordering new service and issuing removals/additions to existing service.


TSTG Scheduling Activities associated with the electronic tagging. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TSVB Transmission Sch Verify/Billing

Activities associated with the verification and billing of scheduled transmission service. TRN_SCHED Z232 Transmission Scheduling TRN_SCHEDX Z732 Transmission Scheduling

TTHA Transformer Handling Activities associated with storeroom receiving, inspecting, storing and redelivery of electric transformers. SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

TXCM Tax Compliance Activities associated with the timely preparation and filing of original and amended federal, state and local tax returns and refund claimsthe timely payment of federal, state and local taxes for all Ameren entities as well as the related tax accounting

TAX_COMP Z212 Tax Compliance TAX_COMPX Z712 Tax Compliance

TXCN Tax Controversies Activities associated with federal and state audits, appeals and litigation of all Ameren tax returns, including providing information to examining agents, providing legal analysis of issues raised by examining agents, negotiating proposed deficiencies w

TAX_COMP Z212 Tax Compliance TAX_COMPX Z712 Tax Compliance

TXPY Tax Payments Accrual and/or payment of Federal, State or local taxes for all Ameren entities. TAXPAY Z215 Tax Payments TAXPAYX Z715 Tax PaymentsTXWK Tax Work Activities associated with the preparation and filing of federal, state, and local tax returns and the related

payment of taxes for all Ameren entities; activities associated with tax accounting and reporting activities; activities associated with federal

TAX_WORK Z214 Tax Work TAX_WORKX Z714 Tax Work

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UBCC Unsubscribed Bank Capacity Charge


UCTG CTG Major Maint Expenses associated with major maintenance, inspection and overhaul activities that normally recur at time intervals longer than one year.


UDRS Ind Relations Data Requests and Surveys

This activity captures the resource costs associated with responding to external agency data requests and conducting bargaining unit employee surveys.


UED8 6D Uncollectible Adj 08 Electric Ds

New Uncollectible Riders EUA and GUA will collect (or credit) to customers the difference between actual writeoffs recorded in FERC account 904 and an amount determined to be "included in rates". We will assess factors (charges) to begin collecting this difference. It is likely that as we assess the factors, we will collect slightly more or less than is recorded in 904. The difference will be rolled forward into a future factor for recovery/credit.


UES8 6E Uncollectible Adj 08 Electric Supply



UGD8 6F Uncollectible Adj 08 Gas Ds



UGP8 6G Uncollectible Adj 08 Gas PGA



UIRC Industrial Relations Counselng

This activity includes advising and counseling line management functions in the meaning and interpretation of the various labor agreements, past practices, side agreements, arbitration cases, grievance implications, dealing with problems, disciplinary action


ULCN Labor Contract Negotiation This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company labor contract negotiation issues.


UNCA Uncollectible Adj The uncollectible adjustment amount will be based on the utility's uncollectible experience for the utility‐supplied electric power and energy. The Uncollectible Adjustment to the Competitive Procurement Auction resulting Retail Supply Charge will only apply to retail customers taking electric power and energy from the utility.


UNED 6H Uncollectible Adj Electric Ds



UNES 6I Uncollectible Adj Electric Supply



UNGD 6J Uncollectible Adj Gas Ds New Uncollectible Riders EUA and GUA will collect (or credit) to customers the difference between actual writeoffs recorded in FERC account 904 and an amount determined to be "included in rates". We will assess factors (charges) to begin collecting this difference. It is likely that as we assess the factors, we will collect slightly more or less than is recorded in 904. The difference will be rolled forward into a future factor for recovery/credit.


UNGP 6K Uncollectible Adj Gas PGA New Uncollectible Riders EUA and GUA will collect (or credit) to customers the difference between actual writeoffs recorded in FERC account 904 and an amount determined to be "included in rates". We will assess factors (charges) to begin collecting this difference. It is likely that as we assess the factors, we will collect slightly more or less than is recorded in 904. The difference will be rolled forward into a future factor for recovery/credit.


URGA Grievance Admin Activities related to labor relations involving dispute resolution and grievance administration. UNION_REL Z236 Union Relations UNION_RELX Z736 Union Relations

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URLA Labor Arbitration This activity captures all tasks associated with the administration, development, review, investigation, filing, and legal counsel fees related to Company labor arbitration issues.


USHP Utility Shop Loading This activity captures all costs associated with the utility shop loading. MISCELLANEOUS Z161 Miscellaneous Acctg Entries


VBA1 Volume Balancing Adj Over‐Under

To capture the monies owed to/from GDS‐1 and GDS‐2 customers for the difference between the delivery service gas charge and delivery service revenue recognition stipulated by the state.


VBA2 Volume Balancing Adj Over‐Under Amort

To capture the monies received/refunded from/to GDS‐1 and GDS‐2 customers for the difference between the delivery service gas charge and delivery service revenue recognition stipulated by the state.


VCES Video Conferencing Eng Support

This activity involves evaluation of video conferencing options, telecom systems design, definition of technical specifications, and daily support of videoconferencing system operations.

VIDEO Z237 Video Conferencing VIDEOX Z737 Video Conferencing

VCMC Video Conferencing Mtce This activity covers the maintenance of videoconferencing systems. VIDEO Z237 Video Conferencing VIDEOX Z737 Video ConferencingVCMU Videoconference

Move/Upgrade/AddThis activity covers the resource costs associated with physically moving, adding, or upgrading video conferencing equipment.

VIDEO Z237 Video Conferencing VIDEOX Z737 Video Conferencing

VCTG Contracted CTG OM Incentive

Performance based incentive compensation for O & M services for Combustion Turbine Generators. WM_CTG Z239 Work Management Ctg CTG CTG Combustion Turbine Generator

VITA Variable Income Tax Adjustment Rider

This activity will be used to track CSS billings/refunds related to the AIC Variable Income Tax Adjustment (VITA) Rider. This charge is a credit to the customer for the tax savings from the new tax reform. This relates to gas only at AIC.


W001 Warehousing Dorsett All activities at the Dorsett Warehouse relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W003 Warehousing Callaway All activities at the Callaway Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W004 Warehousing Underground All activities at the Underground Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W005 Warehousing Major Storm Materials

All activities at the Dorsett ‐ Major Storm Materials & Tools Facility relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W008 Warehousing Meramec All activities at the Meramec Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W009 Warehousing Sioux All activities at the Sioux Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W010 Warehousing Labadie All activities at the Labadie Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W011 Warehousing Rush Island All activities at the Rush Island Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W012 Warehousing Ellisville Hdqtrs All activities at the Ellisville District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W018 Warehousing Ray Hdqtrs All activities at the Ray Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction


W020 Warehousing Mackenzie Hdqtrs

All activities at the Mackenzie District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W021 Warehousing GOB All activities at the General Office Building Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


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W022 Warehousing Berkeley Hdqtrs

All activities at the Berkley District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W025 Warehousing Dorsett Hdqtrs All activities at the Dorsett District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W026 Warehousing Geraldine Hdqtrs

All activities at the Geraldine District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W027 Warehousing Watson All activities at the Watson Overhead Center relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W032 Warehousing Franklin Hdqtrs All activities at the Franklin District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W034 Warehousing St Charles Hdqtrs

All activities at the St Charles District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W036 Warehousing Festus All activities at the Festus Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, is


W038 Warehousing Jefferson Hdqtrs

All activities at the Jefferson District Headquarters relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W042 Warehousing Rivermines All activities at the Rivermines Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W045 Warehousing Dorsett Shop All activities at the Dorsett Shop Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W046 Warehousing Osage All activities at the Osage Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, iss


W050 Warehousing Lakeside All activities at the Lakeside Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W051 Warehousing Venice All activities at the Venice Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction


W054 Warehousing East St Louis All activities at the East St. Louis Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W055 Warehousing St Charles Poles

All activities at the St. Charles (Poles) Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W057 Warehousing Hayti All activities at the Hayti Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W058 Warehousing Potosi All activities at the Potosi Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W061 Warehousing Alton All activities at the Alton Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, iss


W062 Warehousing Cape Girardeau All activities at the Cape Girardeau Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


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W063 Warehousing Charleston All activities at the Charleston Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W064 Warehousing Dexter All activities at the Dexter Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W065 Warehousing Columbia All activities at the Columbia Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W066 Warehousing Versailles All activities at the Versailles Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W067 Warehousing Jefferson City All activities at the Jefferson City Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W068 Warehousing Mexico All activities at the Mexico Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W069 Warehousing Excelsior Springs

All activities at the Excelsior Springs Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W070 Warehousing Kirksville All activities at the Kirksville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W071 Warehousing Boonville All activities at the Boonville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W073 Warehousing Moberly All activities at the Moberly Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W075 Warehousing Keokuk All activities at the Keokuk Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W076 Warehousing Gerald All activities at the Gerald Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W078 Warehousing Wentzville All activities at the Wentzville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W079 Warehousing Tipton All activities at the Tipton Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W086 Warehousing Moberly Ctg All activities at the Moberly CTG Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W087 Warehousing Moreau Ctg All activities at the Moreau CTG Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W101 Warehousing Marion All activities at the Marion Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W152 Warehousing Benton All activities at the Benton Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W164 Warehousing Harrisburg All activities at the Harrisburg Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


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W178 Warehousing Anna All activities at the Anna Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W183 Warehousing Murphysboro All activities at the Murphysboro Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W1SS Work Plan All Gen Station Support

All activities associated with the performance of work order planning. Includes the detailed planning required to maintain all structures, systems and components in optimum condition. This action includes any formal evaluations required to support this a

NUC2_WM Z166 Nuclear Work Management

W1 W1 Perform Planning

W202 Warehousing Beardstown All activities at the Beardstown Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W210 Warehousing Jerseyville All activities at the Jerseyville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W215 Warehousing White Hall All activities at the White Hall Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W222 Warehousing Pittsfield All activities at the Pittsfield Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W231 Warehousing Virden All activities at the Virden Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W238 Warehousing Petersburg All activities at the Petersburg Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W247 Warehousing Canton All activities at the Canton Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W256 Warehousing Quincy All activities at the Quincy Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W263 Warehousing Havana All activities at the Havana Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W269 Warehousing Macomb All activities at the Macomb Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W285 Warehousing Carthage All activities at the Carthage Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W2SS Scheduling All Gen Station Support

All activities associated with the performance of scheduling. Includes the scheduling of outages, corrective, preventive, plant improvement maintenance, and surveillance and performance testing. This action also includes the scheduling of all related s


W2 W2 Perform Scheduling

W303 Warehousing Mattoon All activities at the Mattoon Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W312 Warehousing Paris All activities at the Paris Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W318 Warehousing Tuscola All activities at the Tuscola Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W325 Warehousing Effingham All activities at the Effingham Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


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W331 Warehousing Olney All activities at the Olney Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W335 Warehousing Albion All activities at the Albion Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W339 Warehousing Robinson All activities at the Robinson Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W340 Warehousing Lawrenceville All activities at the Lawrenceville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W353 Warehousing Taylorville All activities at the Taylorville Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W358 Warehousing Pana All activities at the Pana Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W370 Warehousing Hoopeston All activities at the Hoopeston Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W376 Warehousing Paxton All activities at the Paxton Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W381 Warehousing Gilman All activities at the Gilman Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W3A6 Mtce Prev All Turbine Gen System



W3 W3 Perform Preventive Maintenance

W3A7 Mtce Prev All Main and Aux Steam




W3A8 Mtce Prev All Feedwater System




W3A9 Mtce Prev All Condensate Systems




W3B9 Mtce Prev All Cvcs Systems All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3BB Mtce Prev Reactor Coolant All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3D9 Mtce Prev All Circ Water Systems




W3E9 Mtce Prev All Accessory Elec Equip




W3EA Mtce Prev Service Water All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3EB Mtce Prev Closed Cooling Water




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W3EC Mtce Prev Fuel Pool Cooling and Cleanup




W3EF Mtce Prev Essential Serv Water




W3EG Mtce Prev Comp Cooling Water




W3EJ Mtce Prev Residual Heat Removal




W3EM Mtce Prev Hi Press Coolant Injection




W3EN Mtce Prev Containment Spray




W3EP Mtce Prev Safety Injection All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3G9 Mtce Prev All HVAC Systems All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3IS Mtce Prev Training Simulator All activities directly related to the planned, periodic and preventive maintenance of structures, systems, components or equipment. Includes staging/acquiring parts, the actual performance of the work, post maintenance testing, cleanup of job site during



W3K7 Mtce Prev All Misc Water System




W3K8 Mtce Prev All Fire Protection System




W3K9 Mtce Prev All Air and Gas System




W3M8 Mtce Prev All Switchyard, Sub Equip




W3M9 Mtce Prev All Misc Plant Equip




W3N9 Mtce Prev All Emergency D G System




W3R9 Mtce Prev All Accessory Rpv Equip




W3S9 Mtce Prev All Nuclear I and C System




W3SS For All General Station Support




W3U9 Mtce Prev All Misc Bldgs and Grds




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W404 Warehousing Springfield All activities at the Springfield Storeroom relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W4A6 Mtce Corr All Turbine Gen System

All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance


W4 W4 Perform Corrective Maintenance

W4A7 Mtce Corr All Mtce and Aux Steam




W4A8 Mtce Corr All Feedwater System




W4A9 Mtce Corr All Condensate Systems




W4B9 Mtce Corr All Cvcs Systems All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



W4BB Mtce Corr Reactor Coolant All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



W4D9 Mtce Corr All Circ Water Systems




W4E9 Mtce Corrall Accessory Elec Equip




W4EA Mtce Corr Service Water All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



W4EB Mtce Corr Closed Cooling Water




W4EC Mtce Corr Fuel Pool Cooling and Cleanup




W4EF Mtce Corr Essential Serv Water




W4EG Mtce Corr Comp Cooling Water




W4EJ Mtce Corrresidual Heat Removal




W4EM Mtce Corr Hi Press Coolant Injection




W4EN Mtce Corr Containment Spray




W4EP Mtce Corr Safety Injection All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



W4G9 Mtce Corr All HVAC Systems All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



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W4IS Mtce Corr Training Simulator All activities directly related to the repair, restoration, or rework of structures, systems, components or equipment that fail to perform designed function. Includes all tasks associated with emergent work (excluding minor maintenance and Fix‐It‐Now maintenance



W4K7 Mtce Corrall Misc Water System




W4K8 Mtce Corr All Fire Protection System




W4K9 Mtce Corr All Air and Gas System




W4M8 Mtce Corr All Switchyard, Sub Equip




W4M9 Mtce Corr All Misc Plant Equip




W4N9 Mtce Corr All Emerg D G System




W4R9 Mtce Corr All Accessory Rpv Equip




W4S9 Mtce Corr All Nuclear I and C Syst








W4U9 Mtce Cor All Misc Bldgs and Grounds




W510 Warehousing Grand Tower All activities at the Grand Tower relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, iss


W520 Warehousing Meredosia All activities at the Meredosia Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W530 Warehousing Hutsonville All activities at the Hutsonville Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


W540 Warehousing Coffeen All activities at the Coffeen Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, iss


W550 Warehousing Newton All activities at the Newton Plant relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction, iss


W5M9 Mtce Non‐Plant All Misc Plant Equip

All activities related to the planning, administration and maintenance of non plant equipment. Includes activities associated with maintenance of Health Physics instruments and measurement and testing equipment (M&TE), and routine tool maintenance for


W5 W5 Maintain Non‐Plant Equip


All activities related to the planning, administration and maintenance of non plant equipment. Includes activities associated with maintenance of Health Physics instruments and measurement and testing equipment (M&TE), and routine tool maintenance for


W5 W5 Maintain Non‐Plant Equip

W600 Warehousing Mdf 600A Material Distribution Facility SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW605 Warehousing Decatur 605A Decatur Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW610 Warehousing Meter Shop 610A Meter Shop SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

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W615 Warehousing Galesburg 615A Galesburg Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW620 Warehousing Kewanee 620A Kewanee Delivery Site SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW625 Warehousing La Salle 625A La Salle Servie Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW635 Warehousing Jacksonville 635A Jacksonville Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW640 Warehousing Bloomington 640A Bloomington Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

W645 Warehousing Champaign/Urbana

645A Champaign/Urbana Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

W650 Warehousing Maryville 650A Maryville District SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW655 Warehousing Hillsboro 655A Hillsboro Servie Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW660 Warehousing Belleville 660A Belleville‐Metro South Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW675 Warehousing Sparta 675A Sparta District SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW680 Warehousing Mt Vernon 680A Mt Vernon Service Area SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW685 Warehousing Centralia Operate Centralia warehouse SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW6A6 Plant Impr All Turbine Gen

SystAll activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang


W6 W6 Perf Plant Improvement Mtce

W6A7 Plant Impr All Main and Aux Steam

All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6A8 Plant Impr All Feedwater System




W6A9 Plant Impr All Condensate Systs




W6B9 Plant Impr All Cvcs Systems All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6BB Plant Impr Reactor Coolant All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6D9 Plant Impr All Circ Water Systs




W6E9 Plant Impr All Accessory Elec Equip




W6EA Plant Impr Service Water All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6EB Plant Impr Closed Cooling Water




W6EC Plant Impr Fuel Pool Cooling and Cleanup




W6EF Plant Impr Essential Serv Water




W6EG Plant Impr Comp Cooling Water




W6EJ Plant Impr Residual Heat Removal




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W6EM Plant Impr Hi Press Coolant Injection




W6EN Plant Impr Containment Spray




W6EP Plant Impr Safety Injection All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6G9 Plant Impr All HVAC Systems All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6IS Plant Impr Training Simulator All activities associated with constructing, implementing, or testing modification projects (includes AFUDC). Includes project planning and project management, pre‐installation preparations and fabrication; visual inspection of installed change and chang



W6K7 Plant Impr All Misc Water System




W6K8 Plant Impr All Fire Protection Systems




W6K9 Plant Impr All Air and Gas Systems




W6M8 Plant Impr All Switchyard, Sub Equip




W6M9 Plant Impr All Misc Plant Equip




W6N9 Plant Impr All Emerg D G System




W6R9 Plant Impr All Accessory Rpv Equip




W6S9 Plant Impr All Nuclear I and C System








W6U9 Plant Impr All Misc Bldgs and Grounds




W700 Operate Pioneer Park Strm Operate Pioneer Park Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

W710 Operate Persimmon Street Strm

Operate Persimmon Street Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

W720 Operate Washington Street Strm

Operate Washington Street Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

W730 Operate Springfield Strm Operate Springfield Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW733 Operate Homer Strm Operate Homer Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW734 Operate Tuscola Strm Operate Tuscola Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW740 Operate Lincoln Strm Operate Lincoln Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW780 Operate Edwards Strm Operate Edwards Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain StoresW790 Operate Duck Creek Strm Operate Duck Creek Storeroom SUPP_CHN_STR Z209 Supply Chain Stores SUPP_CHN_STRX Z709 Supply Chain Stores

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W7SP Rad Ctrl All Steam Production Equip

All activities associated with providing radiation exposure control. Includes establishing and monitoring health physics program, controlling and monitoring personnel work and their work locations, performing activities necessary to maintain ALARA (shiel


W7 W7 Monitor and Control Exposure


All activities associated with providing radiation exposure control. Includes establishing and monitoring health physics program, controlling and monitoring personnel work and their work locations, performing activities necessary to maintain ALARA (shiel


W7 W7 Monitor and Control Exposure

W8SP Contam Ctl All Steam Production Equip

All activities associated with providing contamination control. Includes controlling and monitoring contaminated areas of plant, and providing decontamination services for STEAM PRODUCTION ‐ NUC


W8 W8 Monitor and Ctrl Contamination


All activities associated with providing contamination control. Includes controlling and monitoring contaminated areas of plant, and providing decontamination services for STATION SUPPORT ‐ NUC


W8 W8 Monitor and Ctrl Contamination

W9A6 Min Mtce All Turbine Gen System

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for TURBINE


W9 W9 Perform Minor Maintenance

W9A7 Min Mtce All Main and Aux Steam

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for MAIN & AUXILIARY STEAM



W9A8 Min Mtce All Feedwater System

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for FEEDWATER SYSTEM



W9A9 Min Mtce All Condensate Systems

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CONDENSATE SYSTEMS



W9B9 Min Mtce All Cvcs Systems All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CHEMICAL



W9BB Min Mtce Reactor Coolant All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for REACTOR COOLANT



W9D9 Min Mtce All Circ Water Systems

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CIRCULAR WATER SYSTEMS



W9E9 Min Mtce All Accessory Elec Equip

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for ACCESSORY ELEC EQUIP



W9EA Min Mtce Service Water All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for SERVICE WATER



W9EB Min Mtce Closed Cooling Water

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CLOSED COOLING WATER



W9EC Min Mtce Fuel Pool Cooling and Cleanup

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for FUEL POOL COOLING AND CLEANUP



W9EF Min Mtce Essential Serv Water

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for ESSENTIAL



W9EG Min Mtce Comp Cooling Water

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for COMPONENT COOLING WATER



W9EJ Min Mtce Residual Heat Removal

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for RESIDUAL HEAT REMOVAL



W9EM Min Mtce Hi Press Coolant Injection

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for HIGH PRESS COOLANT



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W9EN Min Mtce Containment Spray All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CONTAINMENT SPRAY



W9EP Min Mtce Safety Injection All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for ACCUMULATOR SAFETY INJECTION



W9G9 Min Mtce All HVAC Systems All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for HEATING, VENTILATION AND A/C



W9IS Min Mtce Training Simulator All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for TRAINING SIMULATOR



W9K7 Min Mtce All Misc Water System

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for MISC WATER SYSTEMS



W9K8 Min Mtce All Fire Protection Systems

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for FIRE PROTECTION



W9K9 Min Mtce All Air and Gas Systems

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for AIR & GAS



W9M8 Min Mtce All Switchyard, Sub Equip

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for SWITCHYARD AND SUBSTATION



W9M9 Min Mtce All Misc Plant Equip

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for MISCELLANEOUS NUCLEAR PLANT



W9N9 Min Mtce All Emerg D G System

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for EMERGENCY DIESEL GENERATOR



W9R9 Min Mtce All Accessory Rpv Equip

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for CCESSORY REACTOR EQUIPMENT



W9S9 Min Mtce All Nuclear I and C System

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for NUCLEAR INSTRUMENTATION & CONTROL




All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for STATION SUPPORT



W9U9 Min Mtce All Misc Bldgs and Grounds

All activities associated with planning, scheduling and performing maintenance work by a process similar to INPO AP‐901. This scope is an abbreviated alternative to the normal planning, scheduling and conduct of work described by INPO AP‐915 for STRUCTURE



WADM Admin and Other Station Support

This is a general activity associated with clerical or other personnel performing general administrative tasks and clerical work when it is not feasible to charge to a more specific activity for STN Support.


WADS Mgmt and Supvn Station Support

This is a general activity associated with supervisory personnel performing general oversight and coordination of employees when it is not feasible to charge time to a single more specific activity for STN support.


WASS Spv Admin Dty for Station Support

No definition supplied. WM_GEN Z241 Work Management Gen ADMIN_STA_SUPP Z741 Admin Station Support

WBTR Betterment Engr All activities performed by the Betterment Engineering group of PPM&E including such items as CEM testing & reporting; Pagasus and smart sootblowing; heat rate improvement; turbine testing and mill changeout and boiler studies.


WCCM Claims Medical Activities that capture the resource costs associated with investigation and evaluation of the medical cost of work related injuries.


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WCLI Claims Litigation Activities associated with investigation, evaluation, defense, and settlement of employee injuries against the Company.


WDDS Wireless Data Services Activities associated with the payment and provisioning of wireless data services WIRE_DATA Z238 Wireless Data WIRE_DATAX Z738 Wireless DataWDES Wireless Data Engineer

SupportThis activity involves evaluation of wireless data options, wireless data systems design, definition of technical specifications, and daily support of wireless data system operations.

WIRE_DATA Z238 Wireless Data WIRE_DATAX Z738 Wireless Data

WDMC Wireless Data Maintenance Work performed on the wireless data system to either prevent failure or to restore the system to operation after a failure has occurred.


WDMU Wireless Data Move/Upgrade/Add

This activity covers the resource costs associated with physically moving, adding, or upgrading wireless data equipment.


WDSM Wireless Data Software Mtce Work performed on the software associated with the wireless data system to either prevent failure or to restore the system to operation after a failure has occurred.


WESS Engineer and Design for Station Support

All activities directly associated with establishing, maintaining and analyzing information in support of maintenance tasks, plant operations, component and system performance, monitoring and testing of equipment, and the evaluation and procurement of materials


WETR Travel for Station Support All travel related activities associated with traveling in support of work at the various company sites. WM_GEN Z241 Work Management Gen ADMIN_STA_SUPP Z741 Admin Station Support

WFGD Flue Gas Desulfurization This activity will collect charges related to flue gas desulfurization. WM_GEN Z241 Work Management Gen FGS FGS Flue Gas Desulfurization

WGPS Gypsum Stackout This activity will collect charges related to gypsum stackout. WM_GEN Z241 Work Management Gen GPS GPS Gypsum Stackout

WHSE Warehousing All activities relating to the on‐site receipt, inspection and reservation, storage and distribution of materials prior to use. Includes receipt/dispatch of materials, warehouse operation, handling and storage, packaging reduction,


WKPL Workforce Planning Analysis of staffing levels to identify current or future staffing gaps with the business lines and the devlopment of a mitigation plan.


WLSS Lt Mtce Plan for Station Support Gen

All aspects of developing a long term maintenance plan to ensure the optimum performance of plant structures, systems, and components. This includes all tasks associated with the implementation of the maintenance rule, the administration of preventive (


WMSS Mgmt Supv Mnt for Station Support Gen

Activities associated with supervisory personnel performing general maintenance oversight and coordination of employees when it is not feasible to charge time to a single more specific activity for STATION SUPPORT


WOSS Maj Out Pln for Station Support

All activities associated with the performance of work order planning for major outages. Includes the detailed planning required to maintain all structures, systems and components in optimum condition. This action includes any formal evaluations required


WPSS Planning for Station Support All activities associated with the performance of work order planning for other than major outages. Includes the detailed planning required to maintain all structures, systems and components in optimum condition. This action includes any formal evaluations required


WRPS Reagent Prep System This activity will collect charges related to reagent prep system. WM_GEN Z241 Work Management Gen RPS RPS Reagent Prep System

WSCR Selective Catalytic Reduction This activity will collect charges related to the selective catalytic reduction system components. WM_GEN Z241 Work Management Gen SCR SCR Selective Catalytic Reduction

WSSS Scheduling for Station Support Gen

All activities associated with the performance of scheduling. Includes the scheduling of outages, corrective, preventive, plant improvement maintenance, and surveillance and performance testing. This action also includes the scheduling of all related s


WTRN Training ‐ Attend for Station Support

Activities associated with taking/attending training courses or seminars which are required to satisfy the training requirements of that individual employee's position description or job class or are at the discretion of management for STN support.


XPMP Transformer/Meter Purchases

Invoice cost of gas and electric meters. This includes the invoice cost of current and potential transformers associated with electric meters.

TD_MTR_PURCH Z218 Transformer/Meter Purchases

TD_MTR_PURCHX Z718 Transformer/Meter Purchases

XPTP Transformer Purchase Invoice cost of line and network transformers. TD_MTR_PURCH Z218 Transformer/Meter Purchases

TD_MTR_PURCHX Z718 Transformer/Meter Purchases

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Product ‐ Long Definition

Code Description Definition Parent Code Parent Description

01 Electric or Common All electric related activity should use this product. Also to be used when you cannot assign a more specific product.

1 Electric and Common

02 Gas All gas related activity should use this product. 2 Gas04 Steamed Heat No definition supplied. 1 Electric and Common05 Chilled Water No definition supplied. 1 Electric and CommonAB Abacus Daily energy management & control information at various submetering points for business

customers in selected time and area breakdowns, in terms of kilowatts, kilowatthours, and other units as necessary.


BL Abillity Manage multi‐site customers utilities' accounts payable process and supply them with energy management information.


CE Customer Energy Exchange Financial credit to customers who reduce their energy usage during times of peak demand, high market prices or system constraints.


CM Coal Methane No definition supplied. 1 Electric and CommonDI Diagnosis No definition supplied. 1 Electric and CommonEN Enporion Enporion is an open global supply chain e‐marketplace for the energy industry, established

by Ameren and six other founding members.1 Electric and Common

HV High Voltage High voltage maintenance for customers. 1 Electric and CommonLA Lighting and Audits No definition supplied. 1 Electric and CommonMS Physical Meter Service Engineering, installation, maintenance and testing of electric, gas and water meter points. 1 Electric and Common

NG Natural Gas Behind Meter No definition supplied. 1 Electric and CommonPP Payment Power Insurance will pay the customer's Ameren/UE bill in the event of involuntary unemployment,

disability or death up to $400/month up to six months.1 Electric and Common

PR Power Reliability High voltage facility maintenance, high voltage facility training and power quality service to customers who need improved on‐site power reliability.


PT Powerline Telecom The use of power lines for delivery of telecommunications services such as voice, data, or internet access.


SD Sub‐Metering Data Monthly data acquisition service at various sub‐metering for business customers which provides acquisition cost allocation and energy information reports.


TE Technical Energy Services Detailed assessment of the customers' compressed air systems. 1 Electric and CommonUT Utility Tax Service Utility tax service analysis & exemption identification opportunities in various manufacturing

and recycling processes for business customers in qualifying states and exemption classification.


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Long Definition - Illinois Commerce Commission

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