WMS Meeting

October 11, 2023
09:30 AM
ERCOT Austin
8000 Metropolis (Building E), Suite 100
Austin, TX 78744
Rooms A and B
Teleconference: 877-668-4493
Meeting number: 2552 423 8320
Meeting password: JP#km84


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

Eric Blakey

    9:30 a.m.


Agenda Review

Eric Blakey


Approval of WMS Meeting Minutes (Possible Vote)

Eric Blakey

  • September 6, 2023


Technical Advisory Committee (TAC) Update

Eric Blakey

    9:35 a.m.


ERCOT Operations and Market Items


   9:40 a.m.  


New Protocol Revision Subcommittee (PRS) Referrals (Vote)

Eric Blakey

    9:40 a.m.

  • NPRR1194, Wholesale Storage Load Auxiliary Netting

  • NPRR1195, Resource Entity Metering Facilities Maintenance

  • SCR825, ERCOT Voice Communications Aggregation


Wholesale Market Working Group (WMWG)

John Ritch

  10:10 a.m.

  • IMM Ancillary Service Methodology Presentation

Carrie Bivens


Resource Cost Working Group (RCWG)

Blake Holt

  10:40 a.m.


Revision Requests Tabled at PRS and Referred to WMS (Possible Vote)

Eric Blakey

  10:55 a.m.

  • NPRR1070, Planning Criteria for GTC Exit Solutions

  • NPRR1162, Single Agent Designation for a QSE and its Sub-QSEs for Voice Communications over the ERCOT WAN (WMWG)

  • NPRR1170, Capturing Natural Gas Delivery Information for Natural Gas Generation Resources (WMWG)

  • NPRR1179, Fuel Purchase Requirements for Resources Submitting RUC Fuel Costs (RCWG)

  • NPRR1181, Submission of Seasonal Coal and Lignite Inventory Declaration (WMWG)

  • NPRR1190, High Dispatch Limit Override Provision for Increased NOIE Load Costs (WMWG)


  11:10 a.m.


NPRR1197, Energy Storage Resource (ESR) Non-Charging Load(s) Optional Exclusion from EPS Netting Arrangement (Possible Vote)

Bob Helton

  11:20 a.m.


NPRR1198, Congestion Mitigation Using Topology Reconfigurations (Possible Vote)

Alex Miller

  11:30 a.m.

NOGRR258, Related to NPRR1198, Congestion Mitigation Using Topology Reconfigurations (Possible Vote)


NPRR1203, Implementation of Dispatchable Reliability Reserve Service (Possible Vote)


  11:40 a.m.


WMS Revision Requests (Vote)

  11:50 a.m.

Language Review

  • SMOGRR028, Add Series Reactor Compensation Factors


WMS Revision Requests Tabled at WMS (Possible Vote)

Eric Blakey

  12:05 a.m.

  • SMOGRR027, Move OBD to Settlement Metering Operating Guide – EPS Metering Design Proposal (MWG)


Combo Ballot (Vote)

Eric Blakey

  12:05 p.m.


Congestion Management Working Group (CMWG)

Katie Rich

  12:10 p.m.


Demand Side Working Group (DSWG)

Mark Smith

  12:20 p.m.


Notice of Withdrawal

Eric Blakey

  12:30 p.m.

  • VCMRR037 Related to NPRR1172, Fuel Adder Definition, Mitigated Offer Caps, and RUC Clawback


Other Business         

Eric Blakey

  12:30 p.m.

  • October 13, 2023 Annual TAC Subcommittee Structural Review

Jim Lee

  • Review Open Action Items

Jim Lee

  • 2024 ERCOT Membership/Segment Representative Elections

Suzy Clifton

  • No Report

  • Supply Analysis Working Group (SAWG)

  • Market Settlement Working Group (MSWG)

  • Metering Working Group (MWG)


Eric Blakey

   1:00 p.m.

Scheduled wms Meetings

Dec 5, 2023 - doc - 240.5 KB
Oct 11, 2023 - xls - 142 KB
Oct 4, 2023 - doc - 157 KB
Oct 9, 2023 - doc - 239.5 KB
Oct 5, 2023 - pptx - 1.4 MB
Oct 4, 2023 - pptx - 840.5 KB
Oct 10, 2023 - pptx - 460.9 KB
Oct 9, 2023 - pptx - 41.7 KB
Oct 10, 2023 - zip - 28.8 KB
Oct 10, 2023 - zip - 2.5 MB
Oct 9, 2023 - zip - 1.9 MB

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