TAC Meeting by Webex Only

September 29, 2021
09:30 AM
Teleconference: 877-668-4493
Meeting number: 182 315 6564
Meeting password: AsN#2


TAC Standing Representatives intending to vote should join through Webex and have access to their company email.

  • Submit Alternate Representative or Proxy designations by 3PM no later than one day prior to the meeting
  • An email with a unique validation code will be sent to all TAC Standing Representatives and their designated Alternative Representative
    • To allow validation of your login and ensure your ability to vote in the meeting as a representative of your company, please copy and paste your login given in the email when logging into the WebEx
  • If you are using a phone for audio, please associate your phone to your name by using the "Call me" option (easiest) or the "Call in" option and enter your assigned Attendee ID when prompted
  • All votes will be conducted via roll call
  • Use the Chat function to queue for comments/motions (not Raise Hand or commenting from the phone) – reply to Everyone
  • Log in to Webex 15 minutes prior to the meeting start so that quorum can be established and logins can be validated



Antitrust Admonition

Clif Lange

9:30 a.m.


Approval of TAC Meeting Minutes (Vote)

Clif Lange

9:35 a.m.

August 27, 2021


TAC/TAC Subcommittee Structural and Procedural Review (Vote)

Clif Lange

9:40 a.m.

Alignment of TAC Goals and Approved Revision Requests

Subcommittee/Working Group/Task Force Assessment

2021 TAC Goals

Open Action Items


Emergency Conditions Issues List Review (Possible Vote)

Clif Lange

10:10 a.m.


Review of ERCOT Market Impact Statements and ERCOT Opinions

Ann Boren

10:30 a.m.


PRS Report (Vote)

Martha Henson

10:40 a.m.

NPRR1082, Emergency Response Service (ERS) Test Exception for Co-located ERS Loads

NPRR1087, Prohibit Participation of Critical Loads as Load Resources or ERS Resources - URGENT

NPRR1090, ERS Winter Storm Uri Lessons Learned Changes and Other ERS Items - URGENT

NPRR1093, Load Resource Participation in Non-Spinning Reserve - URGENT

Notice of Rejection – NPRR1056, Market Impact Generic Transmission Constraint (GTC) Notification


Other Binding Document Revision Requests (Vote)

Sandip Sharma

11:00 a.m.

OBDRR032, Non-Spin Changes Related to NPRR1093, Load Resource Participation in Non-Spinning Reserve

OBDRR033, ORDC Changes Related to NPRR1093, Load Resource Participation in Non-Spinning Reserve


Revision Requests Tabled at TAC (Vote)

Clif Lange

11:15 a.m.

OBDRR026, Change Shadow Price Caps to Curves and Remove Shift Factor Threshold

RRGRR030, Allow New Voltage Levels in Resource Registration Information


RMS Report

Jim Lee

11:25 a.m.


ROS Report (Vote)

Katie Rich

11:45 a.m.

NOGRR223, Add Phasor Measurement Recording Equipment Requirement to Modified Generating Facilities in Interconnection Process

NOGRR232, Related to NPRR1093, Load Resource Participation in Non-Spinning Reserve - URGENT

PGRR093, Replace Inadvertent Deletions in Section 5

PGRR094, Clarify Notification Requirement for Generator Construction Commencement or Completion

Major Transmission Elements (MTE) List


WMS Report

Resmi Surendran

12:05 p.m.


ERCOT Reports

12:25 p.m.

Under-Frequency Load Shedding (UFLS) Survey Results

Daniel Sanchez

Port Lavaca Area Improvement RPG Project (Possible Vote)

Fred Huang

Revisions to Boundary Threshold (Waive Notice - Vote)

John Bernecker


Other Business

12:45 p.m.

  • TAC Review of Reliability Deployment Process Proxy Bid Curve (Section, Determination of Real-Time On-Line Reliability Deployment Price Adder)

Dave Maggio


Combo Ballot (Vote)

12:55 p.m.


1:00 p.m.

Scheduled tac Meetings

Key Documents

Jan 14, 2022 - doc - 255 KB
Sep 28, 2021 - doc - 99.5 KB
Sep 29, 2021 - xls - 145 KB
Sep 29, 2021 - xls - 142 KB
Sep 22, 2021 - doc - 233 KB
Sep 28, 2021 - zip - 473.9 KB
Sep 22, 2021 - zip - 18.9 KB
Sep 28, 2021 - zip - 786.5 KB
Sep 22, 2021 - zip - 150.2 KB
Sep 22, 2021 - zip - 1.7 MB
Sep 28, 2021 - pptx - 104.5 KB
Sep 28, 2021 - zip - 660.7 KB
Sep 27, 2021 - pptx - 490 KB
Sep 27, 2021 - zip - 1.1 MB

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

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