Technical Advisory Committee (TAC) Meeting

January 03, 2013
9:30 AM - 4:00 PM
ERCOT Austin Room 206
7620 Metro Center Dr.
Austin, TX 78744
Teleconference: 1-877-668-4493
Meeting number: 653 669 524
Meeting password: TAC123!!!



Antitrust Admonition


K. Hobbs

9:30 a.m.


Election of 2013 TAC Chair and Vice-Chair (Vote)


K. Hobbs

9:35 a.m.


ERCOT Board Update

  • Respond to Board Resettlement Question Related to NPRR461, Energy Storage Settlements Consistent With PUCT Project 39917, (Vote)
  • Review Alternatives to Definition of Wholesale Storage Load Created by NPRR461

K. Ögelman

9:40 a.m.


Approval of Draft November 29, 2012 TAC Meeting Minutes (Vote)



10:25 a.m.


Protocol Revision Subcommittee Report

  • Nodal Protocol Revision Requests (NPRRs) (Vote):

o   NPRR474, Clarification of Price Correction Principles and Associated Timelines

o   NPRR492, Addition of System Lambda Information

o   NPRR493, Half-Hour RUC Clawback

o   NPRR496, Revise West Hub Definition Due to Permanent Topology Change

o   NPRR498, Cleanup of ERCOT Finance and Audit Committee Responsibilities in Operational Audits

o   NPRR499, Revisions to Digital Certificate Holder Qualification Requirements

o   NPRR506, Correction of Reconfiguration SASM Language Inconsistency Urgent

o   NPRR507, Correction of PTP Obligation Settlement Language Related to NPRR322 and NPRR470 Urgent

T. Burke














10:30 a.m.


Revision Requests Previously Tabled by TAC (Vote):

  • NPRR489, Planning Reserve Margin
  • PGRR018, Clarify the Prerequisites for Adding a New Generation Resource to the Planning Models and Capacity Demand and Reserves Report


11:00 a.m.


Reliability and Operations Subcommittee Report *

  • PGRR024, Clarify Planning Assumptions and Performance Criteria (Vote)

B. Williams

11:15 a.m.


Wholesale Market Subcommittee Report*

  • TAC Review:  Minimum PTP Option Bid Price Per Protocol Section 7.7.1, Charging of PTP Option Award Fee (Vote)

J. Bevill

11:30 a.m.


Commercial Operations Subcommittee Report*

  • COMPMGRR033, Synchronization with NPRR454, Removal of Unfunded Project List Language, and Modification of Administrative COPMGRR Definition (Vote) 
  • LPGRR047, Automatic Yearly Update of Annual Validation Usage Window (Vote)
  • LPGRR048, Synchronization with NPRR454, Removal of Unfunded Project List Language, and Modification of Administrative LPGRR Definition (Vote)

T. Marsh



11:45 a.m.


Retail Market Subcommittee Report*


K. Scott

11:55 a.m.





12:05 p.m.


Market Enhancements Task Force Status (Vote)



12:35 p.m.


ERCOT Operations, Planning, and IT Report

  • AEPSC Airline/North Padre Island Area Improvements Project Review (Possible Vote)
  • TAC Review:  Market Impacts of the Dollar Value of Energy for Generation Resources Committed by the RUC Process Per Protocol Section, Energy Offer Curve for RUC-Committed Resources
  • Approval Process for Telemetry Standards and State Estimator Standards (Possible Vote)
  • 12/3/12 System Outage and Restoration Efforts Update


J. Billo

R. Surendran

B. Blevins

A. Smallwood

1:05 p.m.


Annual TAC and TAC Subcommittee Structure Review Update

  • Revised TAC Procedures (Vote)


1:55 p.m.


Other Business

  • Future Agenda Items



2:25 p.m.




2:30 p.m.

Key Documents

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