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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  
09/10/2026 R-A091026-01 Planned Maintenance Outage - Retail
09/10/2026 M-A091026-01 Implementation of Market-facing changes for September 30, 2026, and October 01, 2026
09/10/2026 M-B091026-01 Updated CRR Network Model files for the 2029.1st6.AnnualAuction.Seq6
09/09/2026 M-A090926-01 Issuance of Batch Zero Verification Requests for Information
09/09/2026 M-A090126-03 Planned system maintenance with impacted services
09/09/2026 M-B083126-03 Planned system maintenance with impacted services
09/08/2026 M-A090826-01 Impacts to SCED due to Incorrect Meter Data
09/04/2026 M-C090426-01 RIOO Off-cycle Release
09/04/2026 M-A090426-01 Real-Time Market Price Correction - Delayed Shift Factor Export to SCED
09/04/2026 M-B090426-01 Instructions for Generator Owners to submit information related to PRC-029 Requirement R4 and PRC-030 Requirements R3 and R4
09/04/2026 M-B083126-02 Planned system maintenance with impacted services
09/04/2026 M-A090126-02 Planned system maintenance with impacted services
09/03/2026 M-A080326-04 Batch Zero Conditional Classification issued to Transmission and/or Distribution Service Providers
09/03/2026 M-A090326-01 Upcoming training courses
09/03/2026 R-A081226-02 Planned Maintenance Outage - Retail
09/02/2026 M-A090226-01 Workshop to share proposed operational framework for implementing SB6-related Large Load curtailments, including registration requirements
09/02/2026 R-A072226-03 Retail Market Qualification Testing (Flight 1026) begins September 14, 2026, registration deadline of September 9, 2026.
09/01/2026 M-A090126-01 Planned system maintenance with impacted services
09/01/2026 M-B090126-01 2026 MIS Access Audit Attestation (MAAA) Due by October 1, 2026
08/31/2026 M-A080326-03 Delayed Issuance of Batch Zero Conditional Classifications
08/31/2026 M-B083126-01 Planned system maintenance with impacted services
08/31/2026 M-A083126-01 EROF Fourth Quarter 2026 Invoices
08/28/2026 R-A082826-01 ERCOT experienced internal degradation of retail transaction processing.
08/28/2026 M-B082826-01 2026.OCT.Monthly.Auction
08/28/2026 M-G073126-02 Reliability analysis determination for Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)