1.

Antitrust Admonition

R. Comstock

9:30 a.m.

2.

Approval of the Draft July 6, 2006 TAC Meeting Minutes (Vote)* 

R. Comstock

9:35 a.m.

3.

ERCOT Board Update *

• PRR650, Balancing Energy Price Adjustment Due to Non-Spinning Reserve Service Energy Deployment (Vote)*

R. Comstock

9:40 a.m.

4.

April EECP Follow Up

R. Comstock

10:00 a.m.

5.

Credit Working Group Update

M. Davies

10:15 a.m.

6.

Protocol Revisions Subcommittee Report *

• Nodal Protocol Revision Requests:
  • NPRR002, Section 3, Zonal PRR Synchronization and ERCOT Staff Clarifications (Vote)*
  • NPRR008, PRR307 Inclusion in Nodal (Vote)*
  • NPRR009, Section 6, Adjustment Period and Real-Time Operations (Vote)*
  • NPRR010, Synchronization of PRR630 and Section 3, Management Activities for the ERCOT System (Vote)*
• Protocol Revision Requests:
  • PRR658, Requirements for Entities Re-entering the ERCOT Market (Vote)*
  • PRR663, Payment When a Resource Receives an OOME Down to Zero (0) MW Dispatch Instruction (Vote)*
  • PRR664, Revise Non-Spinning Reserve Services Performance Monitoring Criteria (Vote)*
  • PRR665, Revise Responsive Reserve Service Performance Monitoring Criteria (Vote)*
  • PRR668, Distribution Loss Factor Calculations (Vote)*
  • PRR672, Retail Market Timing Necessary for PUCT Project 29637 - URGENT (Vote)*
  • Possible PRR to address RPRS issues as directed by July Board - URGENT (Possible Vote)*
• Notice of PRR Withdrawal:
  • PRR476, Ramp Rate Adherence During Local Congestion*

K. Gresham

10:45 a.m.

Lunch

12:00 p.m.

7.

Texas Nodal Implementation

• ERCOT Report*
• TPTF Report*
  • Milestone-Completion of DAM AS Settlement Business Requirements (Vote)*
  • Milestone-Completion of DAM AS Energy Settlement Business Requirements (Vote)*
• Post Nodal Implementation Plan (Possible Vote)*

K. Hager

T. Doggett

T. Doggett

1:00 p.m.

8.

Retail Market Subcommittee Report*

• CMGRR005, Process for Competitive Metering Guide Revisions (Vote)*

S. Bowling

1:45 p.m.

9.

Wholesale Market Subcommittee Report*

• EECP Action Item Status Update
• Nodal Assignments
  • Co-optimization Recommendation (Possible Vote)*

B. Belk

2:15 p.m.

10.

Reliability and Operations Subcommittee Report *

• EECP Action Item Status Update
• Nodal Assignments

S. Nelson

2:45 p.m.

11.

Commercial Operations Subcommittee Report*

• EECP Action Item Status Update
• LPGRR007, IDR Requirement Change (Vote)*

BJ Flowers

3:15 p.m.

12.

Operations Update

• CenterPoint Dynamic Reactive Project (Vote)*
• Q&A on June Scores Related to SCE Performance and Monitoring*

D. Woodfin

L. Grimm

3:45 p.m.

13.

Other Business

R. Comstock

4:15 p.m.

Adjourn

R. Comstock

4:30 p.m.

Future TAC Meetings

• September 7, 2006
• October 6, 2006 (Friday)

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 for characterizing 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

• PRR650 sponsor to work with ERCOT to develop analysis requested at June Board and report back to August TAC.

TXU

• 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

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