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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  
04/24/2025 R-A041625-02 Completion - Planned Maintenance Outage
04/24/2025 M-A091124-03 Correction to Real-Time Market (RTM) Price Correction
04/23/2025 R-A042325-02 Resolved: Outage impacting Find ESI ID and Find Transaction functionality in the MIS
04/23/2025 R-A042325-01 ERCOT is experiencing an outage effecting the Find ESI and Find Transaction functionality of the MIS
04/23/2025 M-B042325-01 Planned system maintenance with impacted services
04/22/2025 M-B042225-01 Alternative implementation of NPRR1253, Incorporate ESR Charging Load Information into ICCP
04/22/2025 W-A042225-01 Notice of disbursement of disgorged funds relating to Luminant Energy Company, LLC's (Luminant) enforcement proceeding.
04/22/2025 R-A042225-01 Planned Maintenance Outage - Retail
04/22/2025 M-A042225-01 Planned system maintenance with impacted services
04/22/2025 M-A040325-03 Implementation of Market-facing changes for April 24, 2025
04/21/2025 W-A042125-01 Resettlement for the ERS Standard Contract Term of June 01, 2024 - September 30, 2024
04/21/2025 M-A042125-01 Declarations of Weather Preparedness (DoWP) must be submitted via the Weatherization & Inspection Market Participant Portal (Portal)
04/18/2025 M-A041825-01 NPRR 1164 Black Start and Isochronous Control Capable Identification Update
04/16/2025 M-A041625-01 RTC+B Market trials begin May 5, 2025
04/16/2025 W-A032223-06 Update Annual Constraint Management Plans Review
04/16/2025 R-A041625-01 Planned Maintenance Outage - Retail
04/16/2025 M-A040325-02 Implementation of Market-facing changes for April 24, 2025
04/15/2025 M-B041525-01 Notification of Change of Generation Resource Designation (NCGRD) for GEUS (STEAM1A_STEAM_1)
04/15/2025 M-A041525-01 Instructions Regarding 16 Texas Administrative Code 25.186 submissions available at ercot.com for REPs and TDSPs
04/11/2025 M-A041125-01 License of Lancium Patents for Controllable Load Resources
04/11/2025 M-C041125-01 ERCOT is increasing the Total Securitization Default Charge Monthly Amount (TSDCMA) used to calculate Securitization Subchapter M escrow deposits and Securitization Default Charges
04/11/2025 M-B041125-01 ERCOT is increasing the Securitization Uplift Charge Daily Amount (SUCDA) used in calculating Securitization Subchapter N Uplift Charge escrow deposits and Securitization Uplift Charges
04/10/2025 M-A041025-01 Notification of Suspension of Operations (NSO) for Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)
04/09/2025 M-A091124-02 ERCOT Board approval of Real-Time Market (RTM) Price Corrections
04/09/2025 R-A031925-02 Reminder - Retail Market Qualification Testing (Flight 0625) begins May 13, 2025, application processing deadline of April 16, 2025, and a registration deadline of May 7, 2025.