Wholesale Market Subcommittee (WMS) Meeting

    March 13, 2013
    9:30 AM - 3:30 PM
    ERCOT Austin Room 206
    7620 Metro Center Dr.
    Austin, TX 78744
    Teleconference: 1-877-668-4493
    Meeting number: 658 191 376
    Meeting password: WMSm123!!



    Antitrust Admonition 

    S. Cochran

    9:30 a.m.


    Approval of Meeting Minutes (Vote)

    • February 13, 2013 

    S. Cochran

    9:35 a.m.


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

    • NPRR511, Correction to Emergency Energy Settlement Language
    • NPRR520, Real-Time Mitigation Rules and Creation of a real-Time Constraint Competitiveness Test
    • Initiate the Resource Adequacy Task Force (RATF)
    • Proposed Revisions to Methodology for Setting Max Shadow Prices

    S. Cochran

    9:40 a.m.


    ERCOT Operations and Market Items:

    • NPRR429, HASL Offset Provision, Draft Alternative NPRR discussion (Possible Vote)
    • Day-Ahead Market (DAM) analysis of Feb 6 Ancillary Service Prices
    • Reactive Capability and Testing Workshop


    S. Sharma

    M. Mereness

    S. Sharma

    9:45 a.m.


    Availability of Quick Start Generation Resources (QSGRs)

    B. Jones 

    10:05 a.m.


    Metering Working Group (MWG)

    • Confirm Chair and Vice Chair (Vote

    D. DiSanto

    10:25 a.m.


    Generation Adequacy Task Force (GATF)

    • Review of 2012 Loss of Load Probability (LOLP) Study Results
    • WMS Recommendation of Reserve Margin (Vote)
    • Discuss PUCT Workshop and Future GATF Meetings 

    A. Pieniazek

    10:30 a.m.


    Congestion Management Working Group (CMWG)

    • General Update
    • NPRR503, Recommendation for Transmission Outage Report (Vote)
    • Rolling Auction Implementation Transaction Limit Recommendation (Vote)

    M. Wagner 



    M. Mereness

    11:15 a.m.


    Demand Side Working Group (DSWG)

    • General Update
    • DSWG 2013 Goals
    • Draft NPRR, Performance Measurement & Verification and Telemetry Requirements for Load Resources Providing Non-Spin (Vote)
    • DSWG Comments to NPRR522, Adjustment of Demand Response Performance for T&D Losses (Possible Vote

    T. Carter

    12:00 p.m.




    12:30 p.m.


    Emerging Technologies Working Group

    General Update 

    M. Bruce

    1:30 p.m.


    Market Credit Working Group (MCWG)

    • General Update
    • Confirm Chair & Vice Chair (Vote)
    • NPRR519, Exemption of ERS-Only QSEs from Collateral and Capitalization Requirements - (Vote)
    • Letter of Credit Concentration Subgroup - Update 

    M. Holler

    2:00 p.m.


    QSE Managers Working Group (QMWG)

    • General Update
    • Wind Generation Resource Energy Deployment Performance (GREDP) Calculation Revision to Incorporate Curtailment Flag - Update
    • Revision to GREDP - Cost of Ramping
    • SCR770, Revision to Outage Scheduler Entry for Resource Maintenance Outage Level Designation - Project information
    • Reactive Capability and Testing Workshop
    • New Generation Resource Integration Guide
    • NPRR515, Day-Ahead Market Self-Commitment of Generation Resources, (Vote

    S. Looney



    2:30 p.m.


    Resource Cost Working Group (RCWG)

    • General Update
    • Long Term Fuel Cost Solution for Fuel Adder (Vote)
    • Verifiable Cost Manual - Incorporation of NPRR511 (Vote

    B. Hellinghausen


    3:00 p.m.


    Other Business

    • QSTF Sunset (Vote)
    • Draft SCR: DC-Tie eTag Confirmation 

    S. Cochran

    3:30 p.m.




     3:35 p.m.



    Open Action items from Previous Meeting(s)

    • Criteria for Load Provided Capacity - RCWG
    • Regular Updates on Future Credit Designs - MCWG
    • Revision to Constraint Competitiveness Tests Methodology - CMWG
    • Method for Distributing Congestion Revenue Rights (CRR) Auction Revenues - CMWG
    • Alternatives to Definition of Wholesale Storage Load Created by NPRR461, Energy Storage Settlements Consistent With PUCT Project 39917 - ETWG



    Scheduled WMS Meetings