| VCMRR001 Submission of Fuel Costs |
RCWG |
Approved |
Dec 10 '13 |
Jan 28 '14 |
| VCMRR002 Verifiable Costs for Cancellation of RUC- Committed Resources |
ERCOT |
Approved |
Apr 1 '14 |
Apr 24 '14 |
| VCMRR003 Administrative Changes for the June 1, 2014 Verifiable Cost Manual |
ERCOT |
Approved |
May 14 '14 |
May 14 '14 |
| VCMRR004 ! Caps for Energy Storage Resources |
Chamisa Energy |
Approved |
Jul 30 '14 |
Aug 28 '14 |
| VCMRR005 ! Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events |
RCWG |
Approved |
Oct 27 '14 |
Dec 18 '14 |
| VCMRR006 Fuel Adder Timeline Update |
Resource Cost... |
Approved |
Feb 13 '15 |
Mar 26 '15 |
| VCMRR007 Alignment with NPRR699, Energy Offer Curve Caps for Make-Whole Calculations for Resource Type Other |
RCWG |
Approved |
Apr 29 '15 |
Aug 27 '15 |
| VCMRR008 Alignment with NPRR700, Utilizing Actual Fuel Cost in Startup Offer Caps |
RCWG |
Approved |
Apr 29 '15 |
Aug 27 '15 |
| VCMRR010 Alignment with NPRR714, Real-Time Make-Whole Payment for Exceptional Fuel Cost |
RCWG |
Approved |
Aug 24 '15 |
Oct 29 '15 |
| VCMRR011 ! Timeline for Reviewing Resources Verifiable Costs for Five Year Updates |
ERCOT |
Approved |
Sep 30 '15 |
Oct 29 '15 |
| VCMRR012 Alignment with NPRR732, Adjustments to Verifiable Costs for Required Resubmissions and Clarification of RUC Forced Outage and Cancellation Procedures |
ERCOT |
Approved |
Oct 28 '15 |
Dec 16 '15 |
| VCMRR009 Calculation of the Minimum Requirements Fee |
Paul Vinson on... |
Approved |
Jun 3 '15 |
May 26 '16 |
| VCMRR014 ! Revise Fuel Adder Factor for Coal and Lignite Resources |
Paul Vinson on... |
Approved |
Apr 27 '16 |
May 26 '16 |
| VCMRR015 Administrative Changes for July 1, 2016 Verifiable Cost Manual – Section 21 Alignment |
ERCOT |
Approved |
Jun 16 '16 |
Jun 16 '16 |
| VCMRR013 Clarifications to Verifiable Cost Appeals Process |
ERCOT |
Approved |
Apr 26 '16 |
Oct 27 '16 |
| VCMRR016 Reformatting of the Verifiable Cost Manual |
ERCOT |
Approved |
Nov 9 '16 |
Nov 9 '16 |
| VCMRR017 Administrative Changes for January 1, 2017 Verifiable Cost Manual – Alignment with Section 21 |
ERCOT |
Approved |
Dec 13 '16 |
Dec 13 '16 |
| VCMRR018 Verifiable Cost Manual Revision Request Process |
ERCOT |
Approved |
Mar 22 '17 |
May 25 '17 |
| VCMRR019 Verifiable Cost Process Clarifications |
ERCOT |
Approved |
Jul 17 '17 |
Nov 30 '17 |
| VCMRR020 ! Delay the Fuel Adder Sunset Related to VCMRR014, Revise Fuel Adder Factor for Coal and Lignite Resources |
Reliant Energy... |
Approved |
Mar 22 '18 |
May 24 '18 |
| VCMRR021 ! Related to NPRR847, Exceptional Fuel Cost Included in the Mitigated Offer Cap |
ERCOT |
Approved |
Apr 25 '18 |
Aug 7 '18 |
| VCMRR022 Determination of Fuel Adder Price for Coal and Lignite Resources |
ERCOT |
Approved |
May 3 '18 |
Aug 7 '18 |
| VCMRR024 Allocation of Auxiliary Equipment Power Costs in Variable O&M |
Golden Spread... |
Approved |
Jul 2 '19 |
Sep 25 '19 |
| VCMRR023 Related to NPRR940, Removal of Language Related to NPRR664, Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events |
ERCOT |
Approved |
May 2 '19 |
Oct 8 '19 |
| VCMRR025 Related to NPRR957, RTF-4 Definition of Energy Storage Resource and Related Registration and Telemetry Requirements |
ERCOT |
Approved |
Sep 17 '19 |
Dec 10 '19 |
| VCMRR028 Administrative Changes for March 1, 2020 Verifiable Cost Manual – Update ERCOT Email Address |
ERCOT |
Approved |
Feb 10 '20 |
Feb 10 '20 |
| VCMRR026 Related to NPRR970, Reliability Unit Commitment (RUC) Fuel Dispute Process Clarification |
ERCOT |
Approved |
Sep 17 '19 |
Feb 11 '20 |
| VCMRR027 Related to NPRR986, BESTF-2 Energy Storage Resource Energy Offer Curves, Pricing, Dispatch, and Mitigation |
ERCOT |
Approved |
Dec 5 '19 |
Aug 11 '20 |
| VCMRR029 Related to NPRR1003, Elimination of References to Resource Asset Registration Form |
ERCOT |
Approved |
Feb 26 '20 |
Aug 11 '20 |
| VCMRR030 Related to NPRR1039, Replace the Term MIS Public Area with ERCOT Website |
ERCOT |
Approved |
Aug 18 '20 |
Dec 8 '20 |
| VCMRR032 Calculation of Average Running Hours per Start when Determining the Variable O&M for QSGRs |
ERCOT |
Approved |
Oct 19 '21 |
Feb 10 '22 |
| VCMRR033 Excluding Exceptional Fuel Costs from Fuel Adders |
ERCOT |
Withdrawn |
Jun 21 '22 |
Feb 6 '23 |
| VCMRR037 Related to NPRR1172, Fuel Adder Definition, Mitigated Offer Caps, and RUC Clawback |
Consumers |
Withdrawn |
Apr 11 '23 |
May 3 '23 |
| VCMRR036 ! Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process |
ERCOT |
Approved |
Feb 22 '23 |
May 11 '23 |
| VCMRR035 Allow Verified Contractual Costs in Fuel Adder Calculation |
TexGen Power |
Rejected |
Jul 8 '22 |
Jul 12 '23 |
| VCMRR031 Clarification Related to Variable Costs in Fuel Adders |
ERCOT |
Approved |
Feb 3 '21 |
Jul 20 '23 |
| VCMRR034 Excluding RUC Approved Fuel Costs from Fuel Adders |
ERCOT |
Approved |
Jun 21 '22 |
Oct 12 '23 |
| VCMRR038 Administrative Change for Verifiable Cost Manual – Remove Obsolete Reference from List of Appealable TAC Actions |
ERCOT |
Approved |
Oct 12 '23 |
Dec 14 '23 |
| VCMRR041 SO2 and NOx Emission Prices Used in Verifiable Cost Calculations |
ERCOT |
Rejected |
Apr 24 '24 |
Aug 7 '24 |
| VCMRR039 Related to NPRR1216, Implementation of Emergency Pricing Program |
ERCOT |
Approved |
Jan 23 '24 |
Sep 26 '24 |
| VCMRR040 Methodology for Calculating Fuel Adders for Coal-Fired Resources |
ERCOT |
Approved |
Apr 23 '24 |
Sep 26 '24 |
| VCMRR042 SO2 and NOx Emission Index Prices Used in Verifiable Cost Calculations |
Luminant |
Approved |
Jul 23 '24 |
May 15 '25 |
| VCMRR044 RTC+B – Mitigated Offer Cap for Hydro Generation Resources |
ERCOT |
Approved |
Apr 22 '25 |
Nov 6 '25 |
| VCMRR046 Administrative Change for Verifiable Cost Manual – NPRR1298 |
ERCOT |
Approved |
Nov 25 '25 |
Jan 15 '26 |
| VCMRR047 Related to NPRR1314, Planning Guide Glossary Transition |
ERCOT |
Approved |
Dec 16 '25 |
May 29 '26 |
| VCMRR043 Related to NPRR1264, Creation of a New Energy Attribute Certificate Program |
Texas Energy Buyers... |
Revision Request Consideration (TAC) |
Dec 19 '24 |
Jun 3 '26 |
| VCMRR045 Related to NPRR1306, Removal of Digital Certificate References for Market Participants with ERCOT MIS Access |
ERCOT |
Approved |
Oct 28 '25 |
Jul 9 '26 |