1.

Antitrust Admonition

B. Clemenhagen

9:30 a.m.

2.

Approval of Draft April 21, 2010 Meeting Minutes (Vote)

B. Clemenhagen

9:35 a.m.

3.

ERCOT Technical Advisory Committee (TAC), ERCOT Board and Public Utility Commission of Texas (PUCT) Updates

B. Clemenhagen

9:50 a.m.

4.

Congestion Management Working Group (CMWG) Report

• Competitive Constraint Recommendation for Market Trials (Vote)

• Congestion Revenue Right (CRR) Model Issues Resolution Update

• Nodal CRR Auction Bid Limit Determination per Nodal Protocol Section 7.5.2

• NPRR, Clarifying Method of Enforcing CRR Auction Limitation on Market Submissions (Possible Vote)

• Recommended Options for Bid Allocation Methodology (Possible Vote)

M. Wagner

I. Flores

10:00 a.m.

5.

Demand Side Working Group (DSWG)

• General Update

• Draft NPRR, Load Resource Compliance (Possible Vote)

M. Brelinsky

10:30 a.m.

6.

Metering Working Group (MWG)

• Update on SMOGRR008, Revisions for Texas Nodal Market Implementation and Synchronization with PRR821

D. DiSanto

10:45 a.m.

7.

Market Credit Working Group (MCWG) Report

• NPRR226, Procedure for Setting DAM Auction Credit Requirement Parameters (Vote)

• Draft NPRR, Align Protocols with DAM Credit Procedures (Vote)

• Nodal Short-Pay Fund Methodology Update

• Discuss Feasibility of Using 3^rd Party for Credit Administration

• Discuss 1^st Priority Security Interest Related to CRR Auction

M. Davies

10:50 a.m.

8.

QSE Managers Working Group (QMWG) Report

• Offering Reliability Must Run (RMR) Units into the Nodal Market

• ERCOT White Paper

• NPRR210, Wind Forecasting Change to P50, Synchronization with PRR841 (Possible Vote)

• Wind-powered Generation Resource Production Potential (WGRPP) Forecast Accuracy

• 2011 Ancillary Service Methodology

• Nodal Reliability Performance Metrics

• Nodal: Offering Duct Burner Capacity Update

D. Detelich

11:30 a.m.

Lunch

12:00 p.m.

9.

Verifiable Cost Working Group (VCWG)

• Consideration of Sunset Rule for Verifiable Cost

• Deriving References for Standard O&M Costs

H. Lookadoo

1:15 p.m.

10.

NPRR207, Unit Deselection (formerly "Hour Start Unit Deselection and Half Hour Start Unit RUC Clawback")

• WMS Recommendations on ERCOT Comments (Possible Vote)

B. Clemenhagen

1:30 p.m.

11.

NPRR216, Allow ERCOT Option to Cancel Commitments Previously Issued Through RUC (Possible Vote)

B. Clemenhagen

1:45 p.m.

12.

Update on NPRR091, Scarcity Pricing and Mitigated Offer Cap During the Period Commencing on the Nodal Market Implementation Date and Continuing for a Total of 45 Days (Possible Vote)

B. Clemenhagen

2:00 p.m.

13.

Draft PRR, Multiple Interconnections for Generators (Possible Vote)

M. Bruce

2:15 p.m.

14.

Quick Start Task Force (QSTF) Report

• Ten Minute Non-Spinning Reserve Service (NSRS or Non-Spin)

• Nodal Security-Constrained Economic Dispatch (SCED) Look-Ahead for Quick Start Commitment

• NPRR222, Half-Hour Start Unit RUC Clawback (Companion to NPRR207) Â? Recommended Priority (Vote)

S. Cochran

T. Jackson

2:30 p.m.

15.

Renewable Technology Working Group (RTWG) Report

• Texas Renewable Integration Plan Presentation (Possible Vote)

B. Gedrich

M. Bruce

2:45 p.m.

16.

Wind Cost Allocation Task Force (WCATF) (No Report)

J. Troutman

17.

WMS 2010 Goals Update

B. Clemenhagen

3:15 p.m.

18.

Other Business

B. Clemenhagen

3:25 p.m.

19.

Future WMS Meetings

• June 16, 2010

• July 21, 2010

Adjourn

3:30 p.m.