1.

Antitrust Admonition

Clif Lange

9:30 a.m.

2.

Approval of TAC Meeting Minutes (Possible Vote)

Clif Lange

9:35 a.m.

• February 20, 2023

3.

Meeting Updates

Clif Lange

9:40 a.m.

• February 27-28 Board Meetings

4.

Review of ERCOT Market Impact Statements/Opinions and IMM Opinions

Ann Boren/

Carrie Bivens

9:50 a.m.

5.

PRS Report (Vote)

Martha Henson

9:55 a.m.

• NPRR1145, Use of State Estimator-Calculated ERCOT-Wide TLFs in Lieu of Seasonal Base Case ERCOT-Wide TLFs for Settlement

• NPRR1155, Attestation Regarding Market Participant Citizenship, Ownership, or Headquarters

• 2023 PRS Goals

6.

Other Binding Documents

10:15 a.m.

• OBDRR044, Related to NPRR1085, Ensuring Continuous Validity of Physical Responsive Capability (PRC) and Dispatch through Timely Changes to Resource Telemetry and Current Operating Plans (COPs)

David Maggio

7.

Revision Requests Tabled at TAC (Vote)

Clif Lange

10:25 a.m.

• NPRR1157, Incorporation of PUCT Approval into Revision Request Process

8.

RMS Report (Vote)

Debbie McKeever

10:35 a.m.

• RMGRR173, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• LPGRR071, Reduced Timing Requirement for Submittal of Usage and Demand Values by Opt-In Entities – URGENT

• LPGRR072, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

9.

ROS Report (Vote)

Chase Smith

10:55 a.m.

• NOGRR248, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• PGRR104, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• RRGRR034, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• 2023 ROS Goals

10.

WMS Report (Vote)

Eric Blakey

11:15 a.m.

• COPMGRR049, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• SMOGRR026, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

• VCMRR036, Related to NPRR1157, Incorporation of PUCT Approval into Revision Request Process – URGENT

11.

Market Credit Working Group (MCWG) Report (Vote)

Brenden Sager

11:25 a.m.

• Formation of New Credit and Finance Sub Group (CFSG) and Charter

12.

TAC Procedures (Vote)

Clif Lange

11:45 a.m.

13.

Phase 2 Bridging Options (Possible Vote)

Kenan Ogelman

11:55 a.m.

14.

ERCOT Reports

12:30 p.m.

• Review of Potential Price Correction for Feb. 5, 2023 – Generic Transmission Constraint Error Impacting Real-Time

David Maggio

• Winter Storm Elliott – Load Forecast and Resource Performance Update

David Kezell/Jeff Billo

• ECRS Market Readiness

Matt Mereness

• Real-Time Co-optimization (RTC) Update

15.

Other Business

1:15 p.m.

16.

Combo Ballot (Vote)

Clif Lange

1:20 p.m.

Adjourn

1:25 p.m.