MIS LOG IN

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  
03/16/2026 M-D031626-01 Unplanned network outage with impacted service
03/16/2026 M-B031626-01 Notice of redistribution of the disgorged funds relating to Tenaska Power Services Co.'s (Tenaska) enforcement proceeding that were returned to Electric Reliability Council of Texas (ERCOT).
03/16/2026 M-A030626-02 Implementation of Market-facing changes for March 26, 2026
03/16/2026 M-A011626-03 NPRR1287, Revision to Outage Coordination, will be implemented on March 26, 2026. Enhancements to the ERCOT Outage Scheduler will be delayed until March 26, 2026
03/13/2026 M-B031326-01 ERCOT is increasing the Total Securitization Default Charge Monthly Amount (TSDCMA) used to calculate Securitization Subchapter M escrow deposits and Securitization Default Charges
03/13/2026 M-A301326-01 Stakeholder Comments on proposed Large Load Batch Zero Process for discussion at March 24 Workshop
03/12/2026 M-B030626-02 60-Day SCED Disclosure Report: Null Basepoint for CLRs within the 60-Day Load Resource Data in SCED output files - Supplemental files available 03/12/2026
03/12/2026 R-A031226-01 Planned Maintenance Outage - Retail
03/12/2026 M-B031226-01 Integration of City of Caldwell Load into the ERCOT System Complete
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)