Market Information System Grid and Market Conditions

TAC Meeting by Webex Only

May 26, 2021
09:30 AM
Teleconference: 877-668-4493
Meeting number: 142 395 2560
Meeting password: 24PiZr7#


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.


April 28, 2021



Emergency Conditions Issues List Review

Clif Lange

9:40 a.m.


Summer Preparedness Workshop Update

Clif Lange

9:50 a.m.


Passport Update/Discussion

Matt Mereness

10:00 a.m.


PRS Report (Vote)

Martha Henson

10:20 a.m.


NPRR1064, Identification of Chronic Congestion


NPRR1071, Minor Revisions to the Reporting of Demand Response by Retail Electric Providers and Non-Opt-In Entities


NPRR1075, Update Telemetered HSL and/or MPC for ESRs in Real-Time to Meet Ancillary Service Resource Responsibility – URGENT



Revision Requests Tabled at TAC (Vote)

Clif Lange

10:40 a.m.


NOGRR210, Related to NPRR1005, Clarify Definition of Point of Interconnection (POI) and Add Definition Point of Interconnection Bus (POIB)


RRGRR025, Related to NPRR1005, Clarify Definition of Point of Interconnection (POI) and Add Definition Point of Interconnection Bus (POIB)


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


OBDRR029, Revisions to Demand Response Data Definitions and Technical Specifications


NPRR1073, Market Participant Application Changes - URGENT


NPRR1074, "mp" Definition Revision – URGENT



NPRR1062, Modify IDR Meter Requirement and Eliminate IDR Meter Requirement Report - 5/11/21 ERCOT Comments (Vote)

Randy Roberts

11:00 a.m.


RMS Report (Vote)

Jim Lee

11:10 a.m.


LPGRR068, Add BUSLRG and BUSLRGDG Profile Types


2021 RMS Goals



ROS Report (Vote)

Chase Smith

11:30 a.m.


PGRR088, Include Financial Security Amount in the Monthly Generator Interconnection Status Report


2021 ROS Goals



WMS Report

Resmi Surendran

11:50 a.m.


ERCOT Reports


12:10 p.m.

  • Listserv Status Update

Jayapal Parakkuth



Other Business


12:30 p.m.


NPRR902 Implementation Update

Jon Levine


Clarification of Potential Uplift Credit Component

Bill Barnes



Combo Ballot (Vote)

Clif Lange

12:40 p.m.




12:45 p.m.

Scheduled TAC Meetings