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TAC Meeting

May 19, 2026
09:30 AM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Boardroom B
Teleconference: 877-668-4493
Meeting number: 2553 073 1816
Meeting password: BPx42#

Comments

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    • Use the Chat function to queue for comments/motions – reply to Everyone

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.


  • April 29, 2026


3.

Meeting Updates

Caitlin Smith

9:40 a.m.


  • PUCT Open Meeting Updates



4.

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

Ann Boren/IMM

9:50 a.m.

5.

Regional Planning Group (RPG) Projects (Possible Vote)

Prabhu Gnanam

9:55 a.m.


  • Combined 25RPG017 CPS Energy Helotes 345/138-kV Switching Station & Autotransformer Addition at Eastside Switching Station Project & 25RPG013 CPS Energy Reactive Power Planning Project




  • 25RPG009 Oncor and LCRA TSC Muscovy and Voss Lake 345/138-kV Project



  • Combined 25RPG040 Oncor Set 1 North & Central Texas Reliability Project & 25RPG042 Oncor Set 2 North & Central Texas Reliability Project



  • Combined 25RPG041 Oncor Set 1 North Central & South Central Texas Reliability Project & 25RPG043 Oncor Set 2 North Central & South Central Texas Reliability Project



  • 26RPG001 LCRA TSC and CEHE Euclid 765-kV Substation and Transmission Line Addition Project


6.

Revision Requests Tabled at TAC (Possible Vote)

Caitlin Smith

11:55 a.m.


  • NPRR1302, Addition of a Market Participant Service Portal within the MIS Certified Area and Revision of Forms



  • NPRR1306, Removal of Digital Certificate References for Market Participants with ERCOT MIS Access


7.

RMS Report (Vote)

John Schatz

12:15 p.m.


  • RMGRR184, Related to NPRR1306, Removal of Digital Certificate References for Market Participants with ERCOT MIS Access


8.

WMS Report (Vote)

Blake Holt

12:35 p.m.


  • COPMGRR052, Related to NPRR1306, Removal of Digital Certificate References for Market Participants with ERCOT MIS Access



  • VCMRR045, Related to NPRR1306, Removal of Digital Certificate References for Market Participants with ERCOT MIS Access


9.

Combo Ballot (Vote)

Caitlin Smith

12:55 p.m.

10.

ERCOT Reports


1:00 p.m.


  • ADER Pilot Governing Document (Possible Vote)

Katherine Gross



  • FFSS Settlement Report

Magie Shanks



  • Potential Price Correction for Real-Time Market

Matt Young



  • 2027 Ancillary Services Methodology Timeline Discussion

Luis Hinojosa



  • PUC Ancillary Services Cost Allocation Study

Nitika Mago


11.

Batch Study Items (Waive Notice – Possible Vote)

  • PGRR145, Batch Zero Process for Large Load Interconnections – URGENT
  • NPRR1325, Related to PGRR145, Batch Zero Process for Large Load Interconnections – URGENT


2:00 p.m. 

12.

Other Business




Adjourn



Scheduled TAC Meetings

Key Documents

May 19, 2026 - xls - 115.5 KB
May 19, 2026 - xls - 113 KB
May 19, 2026 - xls - 109.5 KB
May 13, 2026 - docx - 75.4 KB
May 14, 2026 - zip - 93.3 KB
May 17, 2026 - zip - 5.9 MB
May 12, 2026 - zip - 1.1 MB
May 14, 2026 - zip - 115.2 KB
May 12, 2026 - zip - 245.2 KB
May 19, 2026 - zip - 1.5 MB
May 19, 2026 - zip - 8.2 MB

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

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