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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  
05/08/2025 M-A041025-02 Reliability analysis determination for Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)
05/08/2025 M-A050625-03 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 16, 2024, and August 17, 2024
05/07/2025 M-A050625-02 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 14, 2024, and August 15, 2024
05/06/2025 M-A050625-01 Board-Approved Price Correction (incorrect Resource telemetry) – Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 12, 2024 and August 13, 2024
05/04/2025 R-A042225-04 Completion - Planned Maintenance Outage
05/02/2025 M-A050225-01 Implementation of Market-facing changes for May 29, 2025
05/02/2025 M-C050225-01 CRR Account Holders and Counter-Parties
05/02/2025 M-B050225-01 Upcoming training courses
05/02/2025 W-A050225-01 Requirement to submit dynamic models compatible with PSS/E version 36 prior to June 1, 2026
05/01/2025 M-A050125-01 Virtual office hours to assist Market Participants with questions about submitting summer 2025 Declaration of Weather Preparedness (DoWP) documents
05/01/2025 R-A042225-03 Planned Maintenance Outage - Retail
04/30/2025 M-C43024-01 Counter-Party quarterly unaudited financial statements due by May 30, 2025
04/30/2025 M-B043025-01 CRR 2026.1st6.AnnualAuction.Seq2 CRR Auction
04/30/2025 M-A042225-03 Planned system maintenance with impacted services
04/30/2025 M-A043025-01 2025 Summer Load Shed Training Exercise
04/30/2025 M-B042325-03 Planned system maintenance with impacted services
04/30/2025 R-A031925-03 Reminder - Retail Market Qualification Testing (Flight 0625) begins May 13, 2025, registration deadline of May 7, 2025
04/28/2025 W-A042225-02 Correction to Miscellaneous Invoices - Notice of disbursement of disgorged funds relating to Luminant Energy Company, LLC's (Luminant) enforcement proceeding
04/28/2025 M-A042825-01 Non-Spin Ancillary Service Plan April-to-May Transition
04/28/2025 M-A042225-02 Planned system maintenance with impacted services
04/28/2025 R-A042225-02 Planned Maintenance Outage - Retail
04/28/2025 M-B042325-02 Planned system maintenance with impacted services
04/25/2025 W-A032223-07 Update - Annual Constraint Management Plans Review
04/24/2025 R-A041625-02 Completion - Planned Maintenance Outage
04/24/2025 M-A091124-03 Correction to Real-Time Market (RTM) Price Correction