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  
09/16/2026 M-A091626-01 Resolution of NRG ADR proceeding (ADR No. 2026-NRG-01); Refund to be reflected in RTM True-Up Statements for Operating Day March 23, 2026
09/15/2026 M-D070826-02 Optional Survey for Batch 1+ and Comprehensive Transmission Planning initiative
09/14/2026 M-B091426-01 Issuance of Request for Information Regarding Data Center State and Community Impacts; ERCOT and PUC Partnership with Texas Water Development Board on Questions Related to Water Sources and Consumption
09/14/2026 M-C072726-02 PUCT Approval of Good Cause Exception to 2026 Ancillary Services Methodology
09/14/2026 W-A091426-01 Revision of the Interface and Generic Transmission Limits (GTLs) Associated with Greater Valley Area (VALEXP, VALIMP, NelsonSharpe_RioHondo & NorthEd_lobo) Generic Transmission Constraints (GTCs)
09/14/2026 M-A091426-01 Notice of Severe Weather Drill (Winter Storm)
09/13/2026 R-A081226-04 Completion - Planned Maintenance Outage - Retail
09/11/2026 M-D091126-01 RIOO Off-cycle Release
09/11/2026 M-C091126-01 Unplanned System Outage
09/11/2026 M-B091126-01 Seasonal Variability in the Look-Back Period for RTLE of EAL Formula
09/11/2026 M-B082126-02 Reminder: Future-Ready Identity and Access Management (IAM) and Market Participant Service Portal (MPSP) Workshop
09/11/2026 M-A091126-01 ERCOT Reliability Monitor Stakeholder Training
09/11/2026 R-A081226-03 Planned Maintenance Outage - Retail
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