Wholesale Market Subcommittee (WMS) Meeting

    December 05, 2012
    9:30 AM - 4:00 PM
    ERCOT Austin Room 206
    7620 Metro Center Dr.
    Austin, TX 78744
    Teleconference: 1-877-668-4493
    Meeting number: 655 732 655
    Meeting password: WMSm123!!



    Antitrust Admonition 

    J. Bevill

    9:30 a.m.


    Approval of Meeting Minutes (Vote)

    • November 7, 2012 

    J. Bevill

    9:35 a.m.


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

    J. Bevill

    9:40 a.m.


    TAC Assignments (Possible Vote)

    • Criteria for Load Provided Capacity - RCWG
    • Regular Updates on Future Credit Designs - MCWG
    • Revision to Constraint Competitiveness Tests Methodology - CMWG (See CMWG Update)
    • Method for Distributing Congestion Revenue Rights (CRR) Auction Revenues - CMWG (See CMWG Update)
    • PGRR018, Clarify the Prerequisites for Adding a New Generation Resource to the Planning Models and Capacity Demand and Reserves Report
    • NPRR489, Planning Reserve Margin
    • Other TAC Assignments 

    J. Bevill

    9:50 a.m.


    ERCOT Operations and Market Items:

    • ERCOT update on Market Enhancement Task Force (METF) (Possible Vote)
    • NPRR429, HASL Offset Provision, Draft Alternative NPRR discussion
    • Review minimum Point-to-Point (PTP) Option Bid Price (Possible Vote)
    • Reminder of CRR Auction Revenue Distribution (CARD) expiration in late 2013
    • Procedure for Determining Actual Fuel Costs for RUC Make-Whole Disputes


    K. Ragsdale

    I. Flores 

    I. Flores 

    M. Mereness

    I. Gonzalez

    10:00 a.m.


    NPRR491, Updated Distributed Generation and Demand Response Information for ERCOT, Deferred to WMS by PRS (Possible Vote

    J. Bevill

    10:45 a.m.


    Generation Adequacy Task Force (GATF)

    • Update on 12/3/2012 Meeting
    • ERCOT’s Review of the Most Recent Long-Term Load Forecast
    • Status of 2012 Loss of Load Expectation (LOLE) Study
    • Status of December 2012 CDR and possible modifications to May 2014 CDR

    A. Pieniazek

    11:00 a.m.


    Demand Side Working Group (DSWG)

    • Emergency Response Service (ERS) Update
    • Price Responsive Load Subgroup Update
    • Aggregated Load Resource (ALR) Subgroup Update
    • Draft NPRR, Weather Sensitive Load (Possible Vote

    T. Carter

    11:30 a.m.





    12:00 p.m.


    Congestion Management Working Group (CMWG)

    • General Update
    • Over-mitigation in SCED
    • Revisions to Methodology for Setting Max Shadow Price Other Binding Document (OBD)
    • NPRR484, Revisions to Congestion Revenue Rights Credit Calculations and Payments, (Possible Vote

    M. Wagner

    1:00 p.m.


    QSE Managers Working Group (QMWG)

    • General Update
    • NPRR486, Calculation of Generation to be Dispatched (Possible Vote)
    • Seven-Day Load Forecast and Non-Spinning Reserve (Non-Spin) bias - Recommendation (Possible Vote)
    • Wind Forecast Accuracy Review
    • New Generation Resource Commissioning Process
    • Wind Generation Resource Energy Deployment Performance (GREDP) Calculation Revision to Incorporate Curtailment Flag - Update
    • Reactive Testing Reporting Process
    • GREDP and High Dispatch limit (HDL) / Low Dispatch Limit (LDL) Reports 

    S. Looney



    1:30 p.m.


    Resource Cost Working Group (RCWG)

    • General Update
    • NPRR444, Supplemental Reliability Deployments - Recommendations (Possible Vote)
    • Verifiable Cost Manual - Alignment with NPRR485 (Vote)
    • White Paper - Long Term Fuel Cost Solution - Fuel Adder Issue  

    B. Hellinghausen


    2:00 p.m.


    Other Business

    J. Bevill 

    2:30 p.m.


    • Emerging Technology Working Group (ETWG) - Sunset (Vote

    J. Bevill



    Market Credit Working Group (MCWG) - No Update

    M. Holler



    Metering Working Group (MWG) - No Update 

    D. DiSanto




    Future WMS Meetings

    • January 9, 2012


    2:45 p.m.

    Scheduled WMS Meetings