WMS Meeting

October 12, 2022
09:30 AM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Rooms A, B and C
Teleconference: 877-668-4493
Meeting number: 2553 751 3614
Meeting password: xx#A63


WMS Standing Representatives are asked to do the following: 

An email with a unique validation code will be sent to all WMS Standing Representatives and their designated Alternative Representatives

  • If you are participating by Webex, please copy and paste your login given in the email when logging into Webex to allow validation of your login and ensure your ability to vote in the meeting as a representative of your company   
  • If you are using a phone for audio, please associate your phone to your name by using the "Call me" option (easiest) or the "Call in" option and enter your assigned Attendee ID when prompted
  • Log in to Webex 15 minutes prior to the meeting start so that quorum can be established and log ins can be validated
  • Use the Chat function to queue for comments/motions – reply to Everyone


Validation for WMS Standing Representatives

Suzy Clifton

    9:15 a.m.


Antitrust Admonition

Ivan Velasquez 

    9:30 a.m.


Agenda Review

Ivan Velasquez


Approval of WMS Meeting Minutes (Vote)

Ivan Velasquez

  • August 3, 2022

  • September 7, 2022


Technical Advisory Committee (TAC) Update

Ivan Velasquez



ERCOT Operations and Market Items

    9:35 a.m.


New Protocol Revision Subcommittee (PRS) Referrals (Vote)

Ivan Velasquez

    9:45 a.m.

  • NPRR1146, Credit Changes to Appropriately Reflect TAO Exposure


Market Credit Working Group (MCWG)

Brenden Sager

  10:00 a.m.   


Wholesale Market Working Group (WMWG)

Bryan Sams

  10:15 a.m.


Revision Requests Tabled at PRS or Reliability and Operations Subcommittee (ROS) and Referred to WMS (Possible Vote)

Ivan Velasquez

  11:00 a.m.

  • NPRR1067, Market Entry Qualifications, Continued Participation Requirements, and Credit Risk Assessment (MCWG)

  • NPRR1070, Planning Criteria for GTC Exit Solutions

  • NPRR1132, Communicate Operating Limitations during Cold and Hot Weather Conditions (WMWG)

  • NPRR1138, Communication of Capability and Status of Online IRRs at 0 MW Output (WMWG)

  • NPRR1143, Provide ERCOT Flexibility to Determine When ESRs May Charge During an EEA Level 3 (WMWG)

  • NPRR1144, Station Service Backup Power Metering

  • NPRR1145, Use of State Estimator-Calculated ERCOT-Wide TLFs in Lieu of Seasonal Base Case ERCOT-Wide TLFs for Settlement (WMWG)

  • NOGRR215, Limit Use of Remedial Action Schemes


11:20 a.m.


WMS Revision Requests Tabled at WMS (Possible Vote)

Ivan Velasquez

 11:30 a.m.

  • VCMRR031, Clarification Related to Variable Costs in Fuel Adders (RCWG)

  • VCMRR033, Excluding Exceptional Fuel Costs from Fuel Adders (WMWG)

  • VCMRR034, Excluding RUC Approved Fuel Costs from Fuel Adders (WMWG)

  • VCMRR035, Allow Verified Contractual Costs in Fuel Adder Calculation (WMWG)


Combo Ballot (Vote)

Ivan Velasquez

 12:00 p.m.


Congestion Management Working Group (CMWG)

Katie Rich

 12:05 p.m.


Demand Side Working Group (DSWG)

Greg Thurnher

 12:15 p.m.  


Other Business         

Ivan Velasquez

 12:30 p.m.  

  • 2023 ERCOT Membership/Segment Representative Elections

  • Review Open Action Items

  • No Report

  • Market Settlement Working Group (MSWG)

  • Meter Working Group (MWG) 

  • Resource Cost Working Group (RCWG)

  • Supply Analysis Working Group (SAWG)


 Ivan Velasquez

   12:40 p.m.   

Scheduled wms Meetings

Jan 5, 2023 - docx - 75.6 KB
Oct 12, 2022 - xls - 142.5 KB
Oct 3, 2022 - doc - 137 KB
Oct 3, 2022 - docx - 77.6 KB
Oct 3, 2022 - docx - 76.6 KB
Oct 10, 2022 - pptx - 238.9 KB
Oct 12, 2022 - pptx - 451.9 KB
Oct 7, 2022 - pptx - 458.6 KB
Oct 11, 2022 - zip - 1.4 MB
Oct 12, 2022 - zip - 2.6 MB

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