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TAC Meeting

August 27, 2025
09:30 AM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Boardroom B
Teleconference: 877-668-4493
Meeting number: 2557 719 1574
Meeting password: Mie#26

Comments

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All votes will conducted via roll call.


Agenda

1.

Antitrust Admonition

Caitlin Smith

9:30  a.m.

2.

Approval of TAC Meeting Minutes (Vote)

Caitlin Smith

9:35 a.m.


  • July 30, 2025


3.

Meeting Updates

Caitlin Smith

9:40  a.m.


  • PUCT Open Meeting Updates


4.

Biennial TAC/TAC Subcommittee Structural and Procedural Review Update

Caitlin Smith

9:45 a.m.


  • Changes/Consolidation of Working Groups




  • Late Comments and Materials

Ann Boren


5.

Prioritization Workshop Update

Amanda Frazier/ Keith Collins

10:05 a.m.

6.

Review of Revision Request Summary/ERCOT Market Impact Statement/Opinions

Ann Boren/ IMM

10:25 a.m.

7.

PRS Report (Vote)

Diana Coleman

10:30 a.m.


  • NPRR1265, Unregistered Distributed Generator




  • NPRR1266, Opt-Out Status Held by a Transmission-Voltage Customer Cannot be Transferred




  • NPRR1279, Reinstate Enhancements to the Exceptional Fuel Cost Process



  • NPRR1283, Modification of SSR Mitigation Timeline



  • NPRR1290, Gap Resolutions and Clarifications for the Implementation of RTC+B



  • NPRR1291, Modify Annual Demand Response Report Posting Date and Include Language to Address PUCT SUBST. R. 25.186



  • SCR832, Discontinue Report that makes COPs available to TSPs


8.

Revision Requests Tabled at TAC (Possible Vote)

Caitlin Smith

10:50 a.m.


  • NOGRR264, Related to NPRR1235, Dispatchable Reliability Reserve Service as a Stand-Alone Ancillary Service


9.

RMS Report

Debbie McKeever

10:55 a.m.

10.

ROS Report (Vote)

Katie Rich

11:15 a.m.


  • NOGRR272, Advanced Grid Support Requirements for Inverter-Based ESRs – URGENT



  • NOGRR278, Related to NPRR1290, Gap Resolutions and Clarifications for the Implementation of RTC+B



  • PGRR121, Related to NOGRR272, Advanced Grid Support Requirements for Inverter-Based ESRs – URGENT



  • PGRR129, Establish Grid Reliability and Resiliency Assessment (GRRA) Posting Requirements


11.

WMS Report

Jim Lee

11:35 a.m.

12.

Credit Finance Sub Group (CFSG) Report (Vote)

Loretto Martin

11:55 a.m.


  • Approval of CFSG Membership


13.

Large Load Working Group (LLWG) Report

Bob Wittmeyer

12:15 p.m.


  • Large Load Interconnection Status Update

Julie Snitman


14.

RTC+B Task Force Report

Matt Mereness

12:35 p.m.

15.

Proposed Changes to Ancillary Service Methodology for 2026 (Possible Vote)


12:55 p.m.


  • ERCOT Presentation

Luis Hinojosa



  • IMM Presentation

Jeff McDonald


16.

ERCOT Reports


1:35 p.m.


  • RPG Project - BTU - Texas A&M University System RELLIS Campus Reliability Project (Possible Vote)

Prabhu Gnanam



  • RPG Project - CNP Baytown Area Load Addition Project (Waive Notice - Possible Vote)

Prabhu Gnanam



  • Grid Research, Innovation and Transformation (GRIT) Update

Prashant Kansal/ Venkata Tirupati



  • Day-Ahead Market Price Correction - Incorrect Generic Transmission Constraint Limit used in the Day-Ahead Market

David Zhou


17.

Other Business


2:10 p.m.


  • September Board/Stakeholder Engagement

Rebecca Zerwas



  • Annual Meeting of ERCOT Members - TAC Representative

Caitlin Smith



  • PUCT Staff update on Ancillary Service cost allocation study

Julie Gauldin



  • Action Items List Review

Martha Henson



  • TAC Procedures

Ann Boren


18.

Combo Ballot (Vote)

Caitlin Smith

2:40 p.m.


Adjourn


2:45 p.m.

Scheduled TAC Meetings

Key Documents

Aug 27, 2025 - xls - 118 KB
Aug 27, 2025 - xls - 113 KB
Aug 27, 2025 - xls - 116 KB
Aug 21, 2025 - docx - 76.7 KB
Aug 25, 2025 - docx - 126.1 KB
Aug 20, 2025 - zip - 409.8 KB
Aug 27, 2025 - pptx - 40.3 KB
Aug 26, 2025 - zip - 88.2 KB
Aug 20, 2025 - zip - 1.6 MB
Aug 20, 2025 - zip - 344 KB
Aug 21, 2025 - zip - 110.8 KB
Aug 22, 2025 - zip - 768.2 KB
Aug 21, 2025 - zip - 1.6 MB
Aug 20, 2025 - zip - 7.6 KB
Aug 26, 2025 - zip - 567.5 KB
Aug 25, 2025 - zip - 640.4 KB
Aug 25, 2025 - zip - 2.2 MB
Aug 28, 2025 - zip - 13.6 MB
Aug 21, 2025 - zip - 1.2 MB

All information is posted as Public in accordance with the ERCOT Websites Content Management Corporate Standard.

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