1.

Antitrust Admonition

R. Comstock

9:30 a.m.

2.

Approval of the Draft May 3-4, 2006 TAC Meeting Minutes (Vote)* 

R. Comstock

9:35 a.m.

3.

ERCOT Board Update *

R. Comstock

9:40 a.m.

4.

April EECP Follow Up

R. Comstock

9:45 a.m.

5.

Board Action Items - Board Oversight in Protocols and PRR Approval Process (Vote)*

M. Walker

10:00 a.m.

6.

Protocol Revisions Subcommittee Report *

• Protocol Revision Requests:
  • PRR654, Remove Market Solution References (Vote)*
  • PRR655, Approval of Temporary Modification to Annual Validation (Vote)*
•  Notice of PRR Rejections:
  • PRR586, SCE Performance and Regulation Cost Re-allocation
  • PRR649, Correct "K" Factor in Compliance SCE Formula
  • PRR656, SCE Performance Charge
• Board Action Item - Market Participant Funding of Projects (Vote)*
• Schedule Control Error (SCE) Background Information*
• Protocol Revision Requests Continued:
  • PRR661, SCE Performance Enforcement Criteria - URGENT (Vote)*
  • PRR662, Modify Ancillary Service Deployment Performance Conditions - URGENT (Vote)*

K. Gresham

M. Bruce

K. Gresham

10:15 a.m.

10:30 a.m.

 11:00 a.m.

Lunch

12:00 p.m.

7.

Texas Nodal Implementation

• TPTF Report*
• ERCOT Report*
• Market Coordination Team Overview*

T. Doggett
K. Hager
S. Munson

1:00 p.m.

8.

Retail Market Subcommittee Report*

• RMGRR034, Removal of Profile Working Group References (Vote)*

S. Bowling

1:45 p.m.

9.

Wholesale Market Subcommittee Report*

• SMOGRR005, Process for Settlement Metering Operating Guide Revisions (Vote)*
• Report on Nodal Assignments
  • Co-optimization Recommendation (Possible Vote)*

B. Belk

2:00 p.m.

10.

Reliability and Operations Subcommittee Report *

• Overview of ROS Review Process of EECP Event
• Report on Nodal Assignments

P. Breitzman

2:30 p.m.

11.

Commercial Operations Subcommittee Report*

BJ Flowers

2:45 p.m.

12.

Possible Recommendations to Board

• Ancillary Services Re-qualification Testing Deadline (Possible Vote)*
• RPRS Settlement Discussion (Possible Vote)*

M. Bruce

C. Greer

3:00 p.m.

13.

Operations Update

• ERO Implementation
• June TCR Auction Results*
• Capacity, Demand, and Reserve (CDR) Report

S. Jones
B. Day
B. Bojorquez

3:30 p.m.

14.

2007 Project Prioritization Update

T. Anderson

4:00 p.m.

15.

Credit Working Group Update

C. Yager

4:15 p.m.

16.

Other Business

R. Comstock

4:30 p.m.

17.

Adjourn

R. Comstock

4:35 p.m.

18.

Future TAC Meetings

• July 6, 2006
• August 3, 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

• ROS to continue examining Hurricane Rita and Lessons Learned and report back to TAC after May hurricane preparedness drills

ROS

• CWG to report their findings, i.e. exposure and collateral effects post-implementation of PRR568 and PRR638, at the May 2006 TAC Meeting

CWG

• 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

• Prepare a list of the advantages and disadvantages of Market Participants funding certain PRRs

PRS

• Develop strawman for TAC consideration of Board Action items (Board oversight in Protocols and possibility of only sending PRRs with priority/ranking above cut line to Board)

TAC Leadership;

M. Walker; N Fehrenbach

• 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 for characterizing a Simple Transmission Outage.  (Priority: Low)
  •  3.10.7.4 The appropriate TAC subcommittee shall establish a task force that is open to Market Participants, comprised of technical experts to develop a set of Telemetry Criteria consistent with the minimum requirements of the Protocols.  (Priority: High)
  •  3.10.9 The appropriate TAC subcommittee shall establish a task force that is open to Market Participants, comprised of technical experts to develop a State Estimator Performance Standard consistent with the minimum requirements of the Protocols.  (Priority: High)
  • 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

ROS

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

• BOD AI - Give enhanced input to the BOD on the appropriate level of the fee for 2007.

PRS

• BOD AI - Develop a framework for determining whether to move ahead on future zonal market improvements.

PRS

• Develop a contact list of persons responsible for implementation at each QSE for use in critical communications and escalations.

TPTF

• 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

EECP Action Items:

• Review of EECP Steps

ROS

• Load forecasting methodology review forum

ERCOT

• Review of Resource plans and how related to EECP event

WMS

• 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