Wholesale Market Subcommittee (WMS) Meeting

April 12, 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: 296 774 299
Meeting password: WMS123!!!



Antitrust Admonition


S. Cochran

9:30 a.m.


Approval of March 13, 2013 Meeting Minutes (Vote)


S. Cochran

9:35 a.m.


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


S. Cochran

9:40 a.m.


ERCOT Operations and Market Items:

  • Report: RUC Make-Whole Payments for Resources with PPAs
  • Non-Spinning Reserve Service (Non-Spin) Ancillary Service Protocol
  • System-Wide Offer Cap and Scarcity Pricing Mechanism Methodology (Vote)
  • Methodology for Setting the Shadow Price Caps and Power Balance Penalties in Security-Constrained Economic Dispatch (Vote)


I. Gonzalez


M. Mereness


R. Surendran

9:45 a.m.



Revision Requests Referred by PRS

  • NPRR514, Seasonal Generation Resource (Vote)
  • NPRR528, Clarification of Assessment of Chronic Congestion (Vote)
  • NPRR529, Congestion Management Plan (Vote)

S. Cochran

10:15 a.m.


NPRR530, Transfers of Specific NOIEs Within a NOIE Load Zone to a Competitive Load Zone (Vote)

S. Cochran


10:30 a.m.



Dynamic Line Ratings in West Texas

C. Thompson

10:45 a.m.



Generation Adequacy Task Force (GATF)

  • GATF Consensus Recommendation Concerning Loss of Load Probability (LOLP) Study and Reserve Margin
  • Update on GATF Review of All Capacity, Demand Reserve (CDR) Report Inputs
  • Recommendation of Reserve Margin (Vote)

A. Pieniazek

11:00 a.m.






11:45 a.m.


Resource Cost Working Group (RCWG)

  • General Update
  • Long Term Fuel Cost Solution for Fuel Adder (Vote)
  • NPRR511, Correction to Emergency Energy Settlement Language (Vote)
  • Verifiable Cost Manual - Incorporation of NPRR511 (Vote)

B. Hellinghausen


12:45 p.m.



Emerging Technologies Working Group

  • Draft NPRR, Wholesale Storage Load Definition (Vote)
  • Update re Fast Responsive Reserve Service Pilot

M. Bruce

1:00 p.m.


Resource Adequacy Task Force (RATF)

  • RATF Scope (Vote)
  • Back Cast of Interim Solution: Public Utility Commission of Texas (PUCT), Commission Proceeding to Ensure Resource Adequacy in Texas, Project No. 40000,  Whitepaper

R. Stephenson

1:30 p.m.



Congestion Management Working Group (CMWG)

  • General Update
  • Congestion Revenue Rights (CRR) Rolling Auction Implementation Update
  • Other Binding Document (OBD) for NPRR520, Real-Time Mitigation Rules and Creation of a Real-Time Constraint Competitiveness Test  (Vote)
  • Whitepaper on PCRRs related to NPRR533, Clarification of PCRR Eligibility Requirements
  • Update on Design of Report Content re NPRR503, Removal of Language Related to NPRR219

M. Wagner






1:45 p.m.



Demand Side Working Group (DSWG)

  • General Update
  • NPRR522, Adjustment of Demand Response Performance for T&D Losses (Vote)
  • Draft NPRR, ERS Deployment Limit (Vote)
  • Draft NPRR, ERS Clearing Price (Vote)
  • Emergency Reserve Service (ERS) Weather-Sensitive Loads
    • Pilot Update
    • April 5, 2013 Workshop Update

T. Carter

2:15 p.m.



Market Credit Working Group (MCWG)

  • General Update
  • NPRR519, Exemption of ERS-Only QSEs from Collateral and Capitalization Requirements (Vote)
  • Update re Day Ahead Market (DAM) Collateral Parameters Process

T. Egan

2:45 p.m.




QSE Managers Working Group (QMWG)

  • NPRR491, Updated Distributed Generation and Demand Response Information for ERCOT (Vote)
  • Recommendation for Business Case - NPRR515, Day-Ahead Market Self-Commitment of Generation Resources (Vote)
  • Recommendation to PRS re NPRR524, Resource Limits in Providing Ancillary Service (Vote)
  • Recommendation to PRS re NPRR527, Required Combined Cycle Telemetry for Operational Awareness and PDCWG Analysis (Vote)
  • System Change Request (SCR) 773, Addition of Regulation Feedback to Generation to be Dispatched Calculation; and NPRR486, Calculation of Generation to be Dispatched, Discussion from PDCWG (Vote)
  • Answers to FAQs for Reactive Testing of Generation Resources
  • Presentation of Revisions to the New Generation Integration Handbook
  • Generation Resource Energy Deployment Performance (GREDP) Review from ERCOT
  • Update from ERCOT regarding Wind Forecast Accurac

S. Looney



3:00 p.m.



Other Business

S. Cochran

3:25 p.m.



S. Cochran

3:30 p.m.

Scheduled WMS Meetings