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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  
04/30/2026 M-A043026-01 Counter-Party quarterly unaudited financial statements due by May 29, 2026
04/30/2026 R-A043026-01 Planned Maintenance Outage - Retail
04/29/2026 M-A033126-03 Removal of redirected URLs for Legacy Dashboards and/or Displays
04/29/2026 M-B042926-01 Reminder: Interconnecting TSPs to submit Large Load data for Quarterly Stability Assessment by deadlines specified in Planning Guide 5.3.5(2)
04/29/2026 M-A042926-01 2027.1st6.AnnualAuction.Seq2
04/29/2026 M-A040126-02 Public Website Cipher Security Hardening (MIS.ERCOT.COM, MISAPI.ERCOT.COM, API.WAN.ERCOT.COM) - REMINDER
04/29/2026 M-A040326-03 Implementation of Market-facing changes for April 29, 2026 and April 30, 2026
04/29/2026 R-A031826-03 Retail Market Qualification Testing (Flight 0626) begins May 12, 2026, registration deadline of May 6, 2026
04/28/2026 M-A042826-01 Planned system maintenance with impacted services
04/28/2026 M-C042826-01 Notification of Change of Generation Resource Designation (NCGRD) for GEUS (STEAM1A_STEAM_1)
04/27/2026 M-C042726-01 Planned system maintenance with impacted services
04/27/2026 M-F032526-04 Removal of Historical Data from the CRR System Complete
04/24/2026 M-A033126-02 Removal of redirected URLs for Legacy Dashboards and/or Displays
04/23/2026 M-A042326-01 Unregistered Distributed Generator (UDG) Workshop
04/23/2026 M-F032526-03 Reminder - Removal of historical data from the CRR system
04/20/2026 M-A041626-02 Resolved - Digital Certificate Renewal Reminder email notification issue is resolved.
04/20/2026 M-A040326-02 Implementation of Market-facing changes for April 30, 2026
04/20/2026 W-A042026-01 Resettlement for the ERS Standard Contract Term of June 01, 2025 - September 30, 2025
04/16/2026 M-A041626-01 Digital Certificate Renewal Reminder email notification issues
04/16/2026 M-E032526-02 Update - 2026 Annual Constraint Management Plans (CMPs) Review
04/15/2026 M-B041526-01 Request for data concerning Demand Response capabilities - Q1 2026
04/15/2026 M-A041526-01 Window to submit Declarations of Weather Preparedness (DoWPs) via the ERCOT Weatherization & Inspection (W&I) Market Participant Portal (Portal) is May 1 - June 1, 2026
04/14/2026 M-A041426-01 Overview of the ERCOT Weatherization and Inspection (W&I) program, highlighting Declaration of Weather Preparedness (DoWP) submissions and the inspection process
04/14/2026 M-F032526-02 Reminder - Removal of historical data from the CRR system
04/12/2026 R-A041226-04 Completion - Planned Maintenance Outage - Retail