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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  
03/08/2026 R-A022426-04 Completion - Planned Maintenance Outage - Retail
03/06/2026 M-B030626-01 60-Day SCED Disclosure Report: Null Basepoint for CLRs within the 60-Day Load Resource Data in SCED output files
03/06/2026 M-A030626-01 Implementation of Market-facing changes for March 26, 2026
03/06/2026 R-A022426-03 Planned Maintenance Outage - Retail
03/05/2026 M-A030526-01 Dashboards and displays affected by beginning of Daylight Saving Time (DST) March 8, 2026
03/05/2026 W-A030526-01 2026 Annual Constraint Management Plans Review
03/04/2026 M-B030426-01 Upcoming training courses
03/04/2026 M-A030426-01 Resource Entity Hot Weather Operating Limits Review and Update
03/04/2026 M-091625-03 Registration Closing Soon for ERCOT Innovation Summit
03/04/2026 M-A022526-03 Planned system maintenance with impacted services
03/04/2026 M-B022326-03 Planned system maintenance with impacted services
03/02/2026 M-B030226-01 Stakeholder Feedback on a proposed Large Load Batch Study process
03/02/2026 M-A022526-02 Planned system maintenance with impacted services
03/02/2026 M-A030226-01 Updates to ADER Pilot Participation Limits
03/02/2026 M-B022326-02 Planned system maintenance with impacted services
02/27/2026 M-C022726-01 Posting of the 2025 High Impact Transmission Elements (HITE)
02/27/2026 M-B022726-01 2026.APR.Monthly.Auction
02/27/2026 M-A022726-01 EROF Second Quarter 2026 Invoices
02/27/2026 R-A022426-02 Planned Maintenance Outage - Retail
02/26/2026 M-A021926-02 Implementation Details of NPRR1277, Revisions to EAL Formula
02/25/2026 M-C022526-01 Updated CRR Network Model files for the 2028.2nd6.AnnualAuction.Seq6
02/25/2026 M-B022526-01 2028.2nd6.AnnualAuction.Seq6
02/25/2026 M-A022526-01 Planned system maintenance with impacted services
02/24/2026 M-A021826-02 60-Day SCED Disclosure Report: Missing Telemetered Ancillary Service Capability data for RRS - Supplemental files posted 02/23/2026
02/24/2026 R-A022426-01 Planned Maintenance Outage - Retail