WMS Meeting

September 02, 2020
09:30 AM


WMS Standing Representatives intending to vote should join through Webex and have access to their company email.

  • Submit Alternate Representative or Proxy designations by 3PM no later than one day prior to the meeting
  • An email with a unique validation code will be sent to all WMS Standing Representatives and their designated Alternative Representative
    • To allow validation of your login and ensure your ability to vote in the meeting as a representative of your company, please copy and paste your login given in the email when logging into the WebEx
  • 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
  • All votes will be conducted via roll call
  • Use the Chat function to queue for comments/motions (not Raise Hand or commenting from the phone) – reply to Everyone
  • Log in to Webex 15 minutes prior to the meeting start so that quorum can be established and log ins can be validated


Log in and validation for WMS Standing Representatives

S. Clifton

9:15 a.m.


Antitrust Admonition

D. Kee

9:30 a.m.


Agenda Review

D. Kee


Approval of WMS Meeting Minutes (Vote)

D. Kee

August 5, 2020


Technical Advisory Committee (TAC) Update

D. Kee

9:35 a.m.


ERCOT Operations and Market Items

9:40 a.m.

Transformer Rating Error and Potential Price Correction Notice (Notice: M-A070820-01 Operations)

D. Maggio

Incorrect RAS Modeling Impacting Day-Ahead Market and Potential Price Corrections Notice (Notice: M-A082720-01 Operations)

Transmission Issues Related to Generation Constraints Workshop

J. Billo


NPRR994, Clarify Generator Interconnection Neutral Project Classification (Possible Vote)

10:30 a.m.


NOGRR215, Limit Use of Remedial Action Schemes (Possible Vote)

D. Kee

10:40 a.m.


Wholesale Market Working Group (WMWG)

D. Detelich

10:45 a.m.


New PRS Referrals (Vote)

D. Kee

11:15 a.m.

SCR811, Addition of Intra-Hour PhotoVoltaic Power Forecast to GTBD Calculation


WMS Revision Requests (Vote)

D. Kee

11:30 a.m.

Language Review

SMOGRR023, Updates to Nameplate Information Requirements

COPMGRR048, Related to NPRR1039, Replace the Term MIS Public Area with ERCOT Website

VCMRR030, Related to NPRR1039, Replace the Term MIS Public Area with ERCOT Website


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

D. Kee

11:45 a.m.

NPRR981, Day-Ahead Market Price Correction Process (WMWG)

NPRR995, RTF-6 Create Definition and Terms for Settlement Only Energy Storage

NPRR1017, Management of Congestion Revenue Rights (CRRs) and Resource Node Removals (CMWG)

NPRR1023, Change to CRR Repossession Process (CMWG/MCWG)

NPRR1024, Determination of Significance with Respect to Price Correction (WMWG)

NPRR1028, RUC Process Alignment with Resource Limits


Combo Ballot (Vote)

D. Kee

12:10 p.m.


Meter Working Group (MWG)

G. Godinez

12:20 p.m.


Market Credit Working Group (MCWG)

B. Barnes

12:30 p.m.


Supply Analysis Working Group (SAWG)

C. Smith

12:40 p.m.


Other Business

D. Kee

12:50 p.m.

Clarify Demand Response qualification

S. Siddiqi

Review Open Action Items

September 14, 2020 Annual TAC Subcommittee Structural Review 1:30 pm

No Report

Congestion Management Working Group (CMWG)

Demand Side Working Group (DSWG)

Market Settlement Working Group (MSWG)

Resource Cost Working Group (RCWG)


D. Kee

1:15 p.m.

Scheduled wms Meetings

Key Documents

Oct 23, 2020 - docx - 69.7 KB
Sep 1, 2020 - doc - 135 KB
Sep 2, 2020 - xls - 128 KB
Sep 2, 2020 - xls - 134.5 KB
Aug 26, 2020 - docx - 65.8 KB
Aug 26, 2020 - zip - 3.9 MB
Aug 26, 2020 - zip - 5.5 MB
Sep 1, 2020 - zip - 334.9 KB
Aug 27, 2020 - pptx - 134.8 KB
Aug 31, 2020 - pptx - 148.2 KB
Sep 1, 2020 - pptx - 976.2 KB
Aug 26, 2020 - pptx - 102.3 KB
Sep 1, 2020 - pptx - 69.2 KB
Sep 1, 2020 - zip - 12 MB
Aug 31, 2020 - zip - 855.5 KB

All information is posted as Public in accordance with the ERCOT Websites Content Management Corporate Standard.

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