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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  
05/29/2026 M-D052926-02 UPDATE: Rerun files have posted for issues with incomplete data in RTM CODE | NP12-747 | Rpt ID 11113
05/29/2026 M-C052926-01 Notification of Suspension of Operations (NSO) for CPS Energy (B_DAVIS_B_DAVIGl)
05/29/2026 R-A052926-01 Posting of total counts of ESI IDs and kWh for each POLR class within each TDSP service territory
05/29/2026 M-E052926-01 2026.JUL.Monthly.Auction
05/29/2026 M-D052926-01 Incomplete data in RTM CODE | NP12-747 | Rpt ID 11113
05/29/2026 M-C050126-02 Reliability analysis determination for Brownsville Public Utilities Board (SILASRAY_SILAS_6, SILASRAY_SILAS_9)
05/29/2026 M-A052926-01 EROF Third Quarter 2026 Invoices
05/29/2026 R-B052926-01 Implementation of ERCOT Project PR533_01 MarkeTrak Tech Refresh API Re-Write
05/29/2026 W-A052926-01 Update to the Generic Transmission Limits (GTLs) for the Wharton County (WHARTN) Generic Transmission Constraint (GTC)
05/28/2026 M-A052826-01 Planned system maintenance with impacted services
05/27/2026 R-A051226-02 Planned Maintenance Outage - Retail
05/26/2026 M-A050826-03 Implementation of Market-facing changes for May 27, 2026, and May 28, 2026
05/22/2026 M-B052226-01 Planned system maintenance with impacted services
05/21/2026 M-A052026-01 Potential Price Correction - Incorrect consideration of ECRS Ramp Rate Telemetry for Non-Controllable Load Resources.
05/20/2026 M-A051526-02 Test of ERCOT.com performance and ERCOT's automated emergency notification system
05/20/2026 M-A050126-02 Implementation Details of NPRR1265, Unregistered Distributed Generator
05/19/2026 M-A051926-01 Revised 2024 AML data posted for each LSE - 2026 QTR3
05/18/2026 M-A051826-01 Generation Capacity Information in Lieu of May 2026 Report on Capacity, Demand, and Reserves in the ERCOT Region (CDR)
05/18/2026 M-B051826-01 Proposal to Adjust 2026 Long-Term Load Forecast
05/18/2026 M-A050826-02 Implementation of Market-facing changes for May 27, 2026, and May 28, 2026
05/15/2026 M-A051526-01 Test of ERCOT.com performance and ERCOT's automated emergency notification system
05/14/2026 W-A051426-01 Proposal to Modify the Horse Hollow Generation Tie RAS
05/12/2026 M-A051226-01 Seasonal Variability Change in the Look-Back Period for RTLE of EAL Component
05/12/2026 R-A051226-01 Planned Maintenance Outage - Retail
05/11/2026 M-A051126-01 MOTE Testing - DPC Dashboard - Transmission Operator Testing of DPC Submission Form