1.

Antitrust Admonition

M. Dreyfus

9:00 a.m.

2.

Approval of the Draft April 7, 2006 TAC Meeting Minutes (Vote)*  

M. Dreyfus

9:05 a.m.

3.

ERCOT Board Update * 

M. Dreyfus

9:10 a.m. 

4.

Board Retreat Action Items (Possible Vote)*

M. Walker

9:30 a.m.

5.

Protocol Revisions Subcommittee Report *

K. Gresham

 9:45 a.m.

6.

Texas Nodal Implementation

T. Doggett

10:15 a.m.

7.

Commercial Operations Subcommittee Report*

• LPGRR011 - Correction to LPGRR 010, Load Profile Type Responsibility Change - URGENT (Vote)*

BJ Flowers

10:45 a.m. 

8.

Retail Market Subcommittee Report*

• Status of Mass Transition Solution
• Interim Mass Transaction Solution (Possible Vote)

S. Bowling

11:15 a.m.

9.

Credit Working Group Update on Mass Transition Review 

C. Yager

11:45 a.m.

Lunch

12:00 p.m.

10.

Operations Update

• 04/17/06 EECP Event Update
• ERO Implementation
• Capacity, Demand, and Reserves Report Status Update
• Q&A on March and Possible April Scores Related to SCE Performance and Monitoring

S. Jones 
S. Jones
B. Bojorquez

L. Grimm

1:00 p.m.

11.

 Wholesale Market Subcommittee Report*

 B. Belk 

2:00 p.m.

12.

Reliability and Operations Subcommittee Report *

• Operating Guide Revisions:
  
  • OGRR169 - Reporting of Reserve Capability Under Severe Gas Curtailments (Vote)*
  • OGRR176 - Market Participant Use of DNS or ERCOT Web-Based Front Page for Site Failover (Vote)*
  • OGRR178 - Revision to Reactive Limits Verification Form (Vote)*
  • OGRR182 - Process for Operating Guide Revisions (Vote)*

S. Nelson

2:30 p.m.

 ERCOT Project Management Update

T. Anderson

A. Martinez

3:00 p.m.

14.

M. Dreyfus

3:45 p.m.

Adjourn

M. Dreyfus

 4:00 p.m.

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

• ERCOT Compliance update related to SCE Performance beginning with January scores at the March TAC meeting

ERCOT

• 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

• Coordinate with ERCOT project management the review of 2007 projects at TAC.

K. Gresham

• 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.
•  3.10.7.1 Each Transmission Element must have a unique identifier using a consistent naming convention used between ERCOT and TSPs.  ERCOT shall develop the naming convention with the assistance of the TSP and the approval of TAC.
•  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.
•  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.
• 3.19(2) An appropriate subcommittee approved by TAC may develop an alternative list through the analysis described below for determining Competitive Constraints.  (optional)
•  3.19(3) The TAC Subcommittee shall perform the following analysis with the goal of developing an objective standard for determining Competitive Constraints.  (optional)
•  5.61(4) The process for determining the verifiable actual costs must be developed by ERCOT, approved by the appropriate TAC subcommittee.
•  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.
• 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.
• 6.5.7.6.2.3(1) ERCOT shall develop a procedure approved by TAC to deploy Resources providing Non-Spinning Reserve Service.
• 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.
• 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.
• 8.0 In some instances Section 8 requires ERCOT to develop other performance measures that must be approved by the TAC.

 
ROS

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