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Market Notice Archives

ERCOT sends Market Notices to publicly subscribed email distribution lists as required in the protocols and other binding documents for scheduled releases, outages, business process failures, and other general information.

This section contains a three year archive of Market Notices.  Archive searches may be performed by Category, Date Range, and Keywords, or a combination of these criteria. For Market Notices older than three years, select the mailing list you are interested in from Market Notice Email Distribution Lists.

Search Market Notices

Search for Market Notices within the past three years.

Date   Subject  
03/31/2026 M-B033126-01 Counter-Party Annual Audited Financial Statements and Risk Certification due April 30, 2026
03/31/2026 M-A033126-01 Removal of redirected URLs for Legacy Dashboards and/or Displays
03/30/2026 M-C033026-01 Planned system maintenance with impacted services
03/30/2026 M-A033026-01 Planned system maintenance with impacted services
03/30/2026 W-A033026-01 Update Generic Limits for the Panhandle Generic Transmission Constraint (GTC)
03/27/2026 M-B032726-01 Stale Shift Factors and Constraints in SCED
03/27/2026 M-A032726-01 Stale values for Generation and Constraint Shift Factor Data used in the Real-Time Market
03/27/2026 M-C032726-01 2026.MAY.Monthly.Auction
03/25/2026 M-E032526-01 2026 Annual Constraint Management Plans Review
03/25/2026 M-F032526-01 Removal of historical data from the CRR system
03/25/2026 M-A011626-04 Enhancements to the ERCOT Outage Scheduler will be implemented on March 26, 2026.
03/25/2026 M-D032526-01 2026.2nd6.AnnualAuction.Seq1
03/25/2026 M-C032526-01 Incorrect Mitigated Offer Curves in the Real-Time Market due to Incorrect Verifiable Cost Data
03/25/2026 M-A032526-01 GTC Communication Documents Update - 2026
03/24/2026 M-A030626-03 Implementation of Market-facing changes for March 26, 2026
03/23/2026 M-A032326-01 Access and familiarization of the Real- Time Operation Communications (RTOC) tool
03/23/2026 M-A032326-01 Resource Entity (RE) and Transmission Service Provider (TSP) summer weather preparedness workshop in person or by WebEx
03/20/2026 M-A032026-01 Posting of Summer Load Shed Tables
03/19/2026 M-A031926-01 Notification of Miscellaneous Invoices for Interest Payments on Securitization Uplift Charge Escrow Deposits
03/18/2026 M-A031826-01 Notification of Miscellaneous Invoices for Interest Payments on Securitization Default Charge Escrow Deposits
03/18/2026 R-A031826-01 Retail Market Qualification Testing (Flight 0626) begins May 12, 2026, application processing deadline of April 15, 2026, and a registration deadline of May 6, 2026.
03/16/2026 M-D031626-01 Unplanned network outage with impacted service
03/16/2026 M-B031626-01 Notice of redistribution of the disgorged funds relating to Tenaska Power Services Co.'s (Tenaska) enforcement proceeding that were returned to Electric Reliability Council of Texas (ERCOT).
03/16/2026 M-A030626-02 Implementation of Market-facing changes for March 26, 2026
03/16/2026 M-A011626-03 NPRR1287, Revision to Outage Coordination, will be implemented on March 26, 2026. Enhancements to the ERCOT Outage Scheduler will be delayed until March 26, 2026