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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  
10/13/2025 M-C101325-01 Price Correction due to SCED Failure
10/13/2025 M-B101325-01 Price Correction due to SCED Failure
10/13/2025 M-A101325-01 Upcoming training courses
10/13/2025 M-A100325-02 Implementation of Market-facing changes for October 23, 2025
10/09/2025 M-A100925-01 Live production two-hour test for RTC+B closed-loop frequency control on October 30, 2025 between 09:00-13:00
10/09/2025 W-A100925-01 Notice of disbursement of disgorged funds relating to Tenaska Power Services Co.'s (Tenaska) enforcement proceeding.
10/08/2025 M-B100825-01 All new requests to energize a Large Load or a Load netted with a Generation Resource or ESR must be submitted to ERCOT via the appropriate form and receive approval from ERCOT.
10/08/2025 M-B092525-02 Board-Approved Price Correction - Day-Ahead Market (DAM) Resettlement for Operating Day (OD) June 27, 2025
10/08/2025 M-A100825-01 ERCOT is decreasing the Securitization Uplift Charge Daily Amount (SUCDA) used in calculating Securitization Subchapter N Uplift Charge escrow deposits and Securitization Uplift Charges
10/07/2025 M-B100725-01 Reliability Standard 2025-2026 Magnitude: Request for Information to Transmission Operators and Load Forecast Posting
10/07/2025 M-A100725-01 ERCOT MOTE will be open for DST testing
10/05/2025 R-A092225-04 Completion - Planned Maintenance Outage
10/03/2025 M-A092624-04 The RTC+B - System Operations Test Environment (RTC+B SOTE) will be available to Transmission Service Providers (TSPs) starting October 6, 2025
10/03/2025 M-A100325-01 2025.NOV.Monthly.Auction
10/03/2025 R-A092225-03 Planned Maintenance Outage - Retail
10/03/2025 M-A100325-01 Implementation of Market-facing changes for October 23, 2025
10/02/2025 M-B100225-01 RFP for NWS ERS-30, WS ERS-30, NWS ERS-10, and WS ERS-10 for the SCT of December 1, 2025, through March 31, 2026
10/02/2025 M-A100225-01 Overview of the ERCOT Weatherization and Inspection (W&I) program, highlighting Declaration of Weather Preparedness (DoWP) submissions and the inspection process.
10/01/2025 M-A100125-01 2026.1st6.AnnualAuction.Seq1
10/01/2025 M-A091925-03 Planned system maintenance with impacted services
10/01/2025 W-A100125-01 New Bandera County 138 kV (BANDER) Generic Transmission Constraint (GTC)
10/01/2025 M-B092225-03 Planned system maintenance with impacted services
09/30/2025 M-B093025-01 Resources maximizing ride-through capability by 12/31/25 for Nodal Operating Guide Revision Request (NOGRR) 245 must follow Planning Guide5.5(6)
09/29/2025 M-A091925-02 Planned system maintenance with impacted services
09/29/2025 R-A092225-02 Planned Maintenance Outage - Retail