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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  
07/29/2026 M-C072926-01 2028.2nd6.AnnualAuction.Seq5
07/29/2026 R-A071026-02 Planned Maintenance Outage - Retail
07/28/2026 M-C052926-03 Reliability analysis determination for CPS Energy (B_DAVIS_B_DAVIG1)
07/28/2026 M-B072826-01 Termination of the Unregistered DG Installed Capacity Quarterly Report and Associated NOIE Data Submission Requirements
07/28/2026 M-B071626-02 Update - GridGeo and RTOC Training
07/28/2026 M-A072826-01 Planned system maintenance with impacted services-Correction
07/28/2026 M-A072826-01 Planned system maintenance with impacted services
07/27/2026 M-A072726-01 Notice of Revised Methodology for Calculating the Resource Planned Outage Limit
07/27/2026 M-A070826-03 Implementation of Market-facing changes for July 29, 2026, and July 30, 2026
07/27/2026 M-C072726-01 Discrepancy from 2026 Ancillary Services Methodology
07/27/2026 M-B072726-01 Planned system maintenance with impacted services
07/24/2026 W-A051426-02 Rejection Notice for the Horse Hollow Generation Tie RAS Modification
07/23/2026 M-B062326-06 Batch Zero Eligibility Submissions and Good Cause Exception Process for PGRR145
07/23/2026 M-A072326-01 Updated 2026 Summer and Fall Seasonal Voltage Profiles
07/23/2026 M-B072326-01 2025 AML Data Posted for each LSE
07/22/2026 R-A072226-01 Retail Market Qualification Testing (Flight 1026) begins September 14, 2026, application processing deadline of August 19, 2026, and a registration deadline of September 9, 2026.
07/21/2026 M-A072126-01 Updated Sources and Sinks files for 2028.1st6.AnnualAuction.Seq4 CRR Auction to remove HOLZ_SLR_RN Settlement Point and notice of erroneous inclusion of HOLZ_SLR_RN in 2027.2nd6.AnnualAuction.Seq3
07/20/2026 M-A072026-01 Partial Implementation Details of NOGRR255, High Resolution Data Requirements
07/20/2026 W-A072026-01 Revision of the Interface and Generic Transmission Limits (GTLs) Associated with the McCamey Area (MCCAMY) Generic Transmission Constraint (GTC)
07/17/2026 M-A070826-02 Implementation of Market-facing changes for July 29, 2026, and July 30, 2026
07/16/2026 M-C071626-01 Notice of updated Exhibit B to ERCOT-MISO Coordination Plan
07/16/2026 M-B071626-01 GridGeo and RTOC Training
07/16/2026 M-A071626-01 42nd Annual Operator Training Seminar
07/14/2026 M-A071426-01 Request for data concerning Demand Response capabilities - Q2 2026
07/13/2026 M-A051126-02 MOTE Testing: DPC Dashboard - Transmission Operator Testing of DPC Submission Form- Updates