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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  
08/27/2025 W-A082725-01 Miscellaneous Invoice for Granted dispute for a Switchable Generation Resource
08/27/2025 M-A082725-01 CRR Account Holders and Counter-Parties
08/27/2025 R-A082725-01 Planned Maintenance Outage - Retail
08/26/2025 W-A082625-01 Update to the Generic Transmission Limits (GTLs) for the Zapata - Starr area (ZAPSTR) Generic Transmission Constraint (GTC)
08/26/2025 M-A080825-03 Implementation of Market-facing changes for August 28, 2025
08/25/2025 M-B082525-01 Planned system maintenance with impacted services
08/25/2025 M-A082525-01 Planned system maintenance with impacted services
08/22/2025 M-A010825-08 DocuSign Envelopes for Nodal Operating Guide (NOG) Data Pursuant to NOG Revision Request (NOGRR) 245 Extension and Exemption Requests
08/22/2025 M-A081425-04 Real Time Market (RTM) Resettlement for Operating Days (ODs) August 6, 7 and 8, 2025
08/22/2025 R-A080825-03 Updated Date - Planned Maintenance Outage - Retail
08/21/2025 M-A082125-01 2025 ERCOT Black Start Training
08/20/2025 M-D082025-01 Sixth Amended Notification of Suspension of Operations of a Generation Resource (NSO) - Chisholm Grid, LLC (CHISMGRD_BES1, CHISMGRD_LD1)
08/20/2025 M-C082025-01 QSE Attestation of Readiness for Live Production Two-hour Test of RTC+B on September 11, 2025
08/20/2025 M-A081425-03 Day-Ahead Market (DAM) Resettlement for Operating Days (ODs) August 6, 7 and 8, 2025
08/20/2025 M-A082025-01 ERCOT Digital Certificates transition to new Root CA.
08/20/2025 M-B082025-01 CRR Removal of CRR bids between BRP_ZPT1_RN and BRP_ZPT2_RN from the 2025.SEP.Monthly.Auction and the 2027.2nd6.AnnualAuction.Seq5
08/19/2025 M-C081925-01 Implementation Details of NPRR1276, Move OBD to Section 22 - Emergency Response Service Procurement Methodology
08/19/2025 M-B081925-01 NPRR1250, RPS Mandatory Program Termination
08/19/2025 M-C072525-02 Results of Price Impact Analysis - Incorrect Generic Transmission Constraint Limit used in the Day-Ahead Market
08/19/2025 M-A081925-01 Posting of Winter Load Shed Table
08/18/2025 M-A081425-02 Settlement Data Issues
08/18/2025 M-A080825-02 Implementation of Market-facing changes for August 28, 2025
08/18/2025 M-A071725-02 30 Day Notice of the September 18th ERCOT Technical Workshop on the Migration of ERCOT's Network Operations Model from the Common Information Model (CIM) Version 10 to 16
08/18/2025 M-A052125-04 Reminder - September 1, 2025, due date to provide the end-use industry classification for Load Points meeting the criteria in paragraphs (14) and (16) of Protocol Section 3.10.7.2, Modeling of Resources and Transmission Loads
08/15/2025 M-A081525-01 Decrease in Total Securitization Default Charge Monthly Amount as a result of Subchapter M Bonds, Series 2025, closing.