TAC Meeting

July 24, 2019
09:30 AM
ERCOT Austin 206
7620 Metro Center Dr.
Austin, TX 78744
Teleconference: 877-668-4493
Meeting number: 625 338 094
Meeting password: TAC



Antitrust Admonition

B. Helton

9:30 a.m.


Election of TAC Vice Chair (Vote)


9:35 a.m.


Approval of TAC Meeting Minutes (Vote)

B. Helton

9:40 a.m.


May 22, 2019



June Board Update

B. Helton

9:45 a.m.


PRS Report (Vote)

M. Henson

9:50 a.m.


NPRR823, Amend the Definition of an Affiliate


NPRR904, Revisions to Real-Time On-Line Reliability Deployment Price Adder for ERCOT-Directed Actions Related to DC Ties


NPRR931, As Built Hub Average Calculation


NPRR932, Addition of Load to Existing Load Zone


NPRR935, Post All Wind and Solar Forecasts


NPRR939, Modification to Load Resources Providing RRS to Maintain Minimum PRC on Generators During Scarcity Conditions


NPRR940, Removal of Language Related to NPRR664, Fuel Index Price for Resource Definition and Real-Time Make-Whole Payments for Exceptional Fuel Cost Events


NPRR942, Clarification of Revised Transaction Limit Posting


NPRR943, Holiday Schedule Update


NPRR944, As Built Day-Ahead Market Energy Bid Curve Submission Validation


NPRR948, Instrument Transformer Testing Schedule and Removal of Reference to Fiber-Optic Current Transformers


NPRR949, January 1, 2023 Changes to EPS Meter Communications Path


SCR801, 867_03 Final(s) Global Process ID Correction Request for IDR ESI ID(s) Posted to the 867 Activity Report


SCR802, Enhance Communications of System Inertia



Revision Requests Tabled at TAC (Vote)

B. Helton

10:15 a.m.


NPRR917, Nodal Pricing for Settlement Only Distribution Generators (SODGs) and Settlement Only Transmission Generators (SOTGs)



Other Binding Documents (Vote)


10:35 a.m.


OBDRR009, ORDC OBD Revisions for ERCOT-Directed Actions Related to DC Ties (Impact Analysis Review)



Real-Time Co-optimization Task Force (RTCTF) Report (Possible Vote)

M. Mereness

10:45 a.m.


Key Principle 1.4 Subsection 1: System Inputs into RTC


Key Principle 1.5 Subsections 1-6: Process for Deploying Ancillary Services


Key Principle 1.6 Subsections 1-4: AS Imbalance Settlement with RTC


Key Principle 3 Subsections 1-9: Reliability Unit Commitment


Key Principle 4 Supplemental Ancillary Service Market



Retail Market Subcommittee Report

J. Lee

11:30 a.m.


Reliability and Operations Subcommittee Report (Vote)

T. Hall

11:45 a.m.


NOGRR187, Related to NPRR863, Creation of ERCOT Contingency Reserve Service and Revisions to Responsive Reserve



Wholesale Market Subcommittee Report

D. Kee

12:00 p.m.


ERCOT Reports


12:15 p.m.


Other Business


12:20 p.m.


Battery Energy Storage Integration Issues and Assignments

W. Lasher


2020 Meeting Calendar (Possible Vote)

B. Helton


TAC/TAC Subcommittee Structural and Procedural Review




12:30 p.m.

Scheduled TAC Meetings