BUSINESS CASUAL

ATTIRE

ERCOT TECHNICAL ADVISORY COMMITTEE MEETING

ERCOT Met Center - Austin

7620 Metro Center Drive

Austin, Texas78744

September 7, 2006; 9:30 a.m. – 4:30 p.m.

1. /

Antitrust Admonition

/ R. Comstock / 9:30 a.m.
2. /

Approval of the Draft August 3, 2006 TAC Meeting Minutes (Vote)*

/ R. Comstock / 9:35 a.m.
3. / ERCOT Board Update * / R. Comstock / 9:40 a.m.
4. / Protocol Revisions Subcommittee Report *
  • Nodal Protocol Revision Requests:
  • NPRR011, Revision to Credit Requirements(Vote)*
  • NPRR012, CRR Granularity in CRR Auction(Vote)*
  • NPRR013, Section 2, Zonal PRR Synchronization and ERCOT Staff Clarifications(Vote)*
  • NPRR014, Zonal PRR Synchronization for Section 16(Vote)*
  • NPRR015, Zonal PRR Synchronization Section 22 Attachment H(Vote)*
  • NPRR016, TPTF Cleanup Items for Sections 2, 3, and 16(Vote)*
  • Protocol Revision Requests:
  • PRR653, OOME Ramp Rate Adherence(Vote)*
  • PRR671, Remove Sunset Date on Floor for Responsive Reserve Service Bids (Vote)*
  • PRR676, RPRS Solution with Nodal RUC-Type Procurement and Cost Allocation– URGENT (Vote)*
  • PRR682, Emergency Electric Curtailment Plan (EECP) Event Realignment – URGENT (Vote)*
  • PRR687, Replacement Reserve Under-Scheduled Capacity Delineation – URGENT (Vote)*
  • PRR688, ERCOT Nodal Implementation Surcharge – URGENT (Vote)*
  • PRR690, Termination of the Modified Competitive Solution Method Surcharge – URGENT (Vote)*
  • Notice of PRR Rejection:
  • PRR607, One-Minute Ramp Schedules*
  • PRR674, Temporary Alteration of Settlement Equations Related to the RPRS Under Scheduled Charge*
  • Constellation Appeal of PRS Decision on PRR674, Temporary Alteration of Settlement Equations Related to the RPRS Under Scheduled Charge (Possible Vote)*
/ K. Gresham
V. Priestley / 10:00 a.m.
5. / Texas Nodal Implementation
  • ERCOT Report*
  • TPTF Report*
  • Milestone – Real-Time AS Settlements Business Requirements (Vote)*
  • Milestone – RUC Settlements Business Requirements (Vote)*
  • Milestone – DAM Make-Whole Settlements Business Requirements (Vote)*
  • TAC Approved Documents Posting Discussion
/ K. Hager
T. Doggett / 11:30 a.m.
Lunch / 12:00 p.m.
Texas Nodal Implementation Continued / 1:00 p.m.
6. / Retail Market Subcommittee Report*
  • RMGRR038, TNMP Weather Zone Zip Code Table Recommendation Report and Impact Analysis(Vote)*
  • Review of ERCOT Outages and Processing Issues
/ S. Bowling / 1:30 p.m.
7. / Wholesale Market Subcommittee Report*
  • 2007 CSC Recommendations (Vote)*
  • Nodal Assignments
  • Co-optimization Recommendation (Vote)*
  • WMS/ROS Resolution for Support of ERCOT Development and Administration of NERC CEH Program for Operator Certification (Vote)*
/ B. Belk / 2:00 p.m.
8. / Reliability and Operations Subcommittee Report *
  • OGRR181, Submission of Consistent Data for Planning and Operational Models (Vote)*
  • OGRR186, Emergency Electric Curtailment Plan (EECP) Event Realignment (Vote)*
  • NPRR003, Section 5, Zonal PRR Synchronization and ERCOT Staff Clarifications (Vote)*
  • Nodal Operating Guide
  • Nodal Assignments
  • Principles of Consistency (Vote)*
  • Definition of Simple Transmission Outage (Vote)*
  • Determination of Optimum Bias (Vote)*
/ P. Breitzman / 2:45 p.m.
9. / Commercial Operations Subcommittee Report*
  • COPMGRR002, Section 4, Unplanned Outage Communication Process (Vote)*
  • COPS Working Group/Task Force Updates*
/ BJ Flowers / 3:15 p.m.
10. / Operations Update
  • Regional Entity Update
  • Atkins RMR Exit Strategy Update
  • Q&A on July Scores Related to SCE Performance and Monitoring*
/ S. Jones
B. Bojorquez
L. Grimm / 3:45 p.m.
11. / Other Business / R. Comstock / 4:15 p.m.
Adjourn / R. Comstock / 4:30 p.m.
Future TAC Meetings
  • October 6, 2006 (Friday)
  • November 2, 2006

Open Action Items from Previous Meeting(s) / Responsible Party
  • Emergency Demand Service – Demand Side Working Group
/ WMS
  • Review of Cost Benefit Analysis (CBA) Methodology and Process
/ PRS
  • WMS to look at long-term solutions to market issue of LaaRs submitting bid prices less than zero to ensure participation in the RRS market
/ WMS
  • RMS to include retail outage statistics post-implementation of SCR745 in monthly report to TAC
/ RMS
  • RMS and COPS Communications Working Group to review communication issues related to ERCOT December System Outage/Storage Failure and provide recommendations. In the interim, TAC and RMS should be notified of any system outage issues.
/ COPS
  • TPTF to consider (1) Cost-Based offers in Transition Period to Nodal and (2) Implementation of Orders issued from Project 31540
/ TPTF
  • Review of Market Guides (use, naming convention, authority)
/ TAC
  • TPTF to report back to TAC after NMMS business process document discussions with ROS and WMS.
/ TPTF
  • Subcommittee Assignments for Nodal Action/Review (Responsible subcommittee to provide monthly status reports to TAC):
  • 3.1.1 ERCOT must work with the appropriate TAC Subcommittee to develop procedures forcharacterizing a Simple Transmission Outage. (Priority: Low)
  • 3.19(2) An appropriate subcommittee approved by TAC may develop an alternative list through the analysis described below for determining Competitive Constraints. (Priority: Optional)
  • 3.19(3) The TAC Subcommittee shall perform the following analysis with the goal of developing an objective standard for determining Competitive Constraints. (Priority: Optional)
  • 5.61(4) The process for determining the verifiable actual costs must be developed by ERCOT, approved by the appropriate TAC subcommittee. (Priority: Low)
  • 5.6.3(3) The process for determining the verifiable actual costs for a startup attempt under paragraph (2) above must be developed by ERCOT, approved by the appropriate TAC subcommittee. (Priority: Low)
  • 6.5.7.6.1(2) ERCOT shall develop a methodology, subject to TAC approval, to determine the optimal frequency bias for given system conditions. (Priority: Low)
  • 6.5.7.6.2.3(1) ERCOT shall develop a procedure approved by TAC to deploy Resources providing Non-Spinning Reserve Service. (Priority: Medium)
  • 6.5.9.4.1(2)(b) ERCOT shall develop a procedure for determining which Load Resources to interrupt and to equitably allocate Load Resources to one of two deployment stacks to enable a 50% deployment, which procedure must be approved in advance by TAC. (Priority: Low)
  • 7.2.1 The appropriate TAC subcommittee shall establish a task force that is open to Market Participants, comprised of technical experts, to develop a naming convention for CRRs consistent with the requirements of the Protocols. (Priority: Medium)
  • 8.0 In some instances Section 8 requires ERCOT to develop other performance measures that must be approved by the TAC. (Priority: Medium)
/ ROS
WMS
WMS
WMS
WMS
ROS
ROS
WMS
WMS
ROS
  • Determine whether co-optimization is feasible and beneficial to implement in the nodal wholesale market as approved by PUCT in Docket 31540.
/ WMS
  • Review reserve margin calculation based on the following (1) previous year’s experience, (2) the forthcoming PUCT rulemaking on resource adequacy, and (3) issues raised by B Bojorquez in 5/4/06 CDR presentation to TAC.
/ WMS
  • Provide a methodology by August TAC to establish the appropriate level for the scaling factor used in the SCE Performance Charge calculation as defined by PRR661.
/ WMS
  • Create post Nodal implementation effectiveness evaluation plan
/ M. Dreyfus
  • Review/revise transmission planning charter based on TAC recommendation for Board approvals presented to June Board.
/ M. Walker
  • PRR for BOD approvals based on TAC recommendation presented to June Board.
/ M. Walker
  • Review NPRR003 language (Section 5.5.1(5)) for consistency with Operating Guides.
/ ROS
  • Review PRR653 for further consideration.
/ PRS
  • Consider allocation issues associated with the distribution of RPRS charges.
/ PRS
  • RMS to review recent ERCOT outages and processing issues and report back to the September TAC.
/ RMS
  • ERO update at September TAC.
/ ERCOT
EECP Action Items:
  • Review of EECP Steps
/ ROS
  • Load forecasting methodology review forum
/ ERCOT
  • Review of Resource plans and how related to EECP event
/ ROS
  • Review of Settlement calculations specific to RPRS due to capacity insufficiency situation and OOM Replacement Reserve calculation
/ WMS
  • Review of LaaR performance during April EECP event and whether other interruptible load responded.
/ WMS
  • Communication review related to Emergency and Short Supply situations: When to communicate, what to communicate, to whom and how?
/ COPS
  • Review of scheduling of planned generation outages

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