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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  
11/06/2026 M-C110626-01 Implementation Details of NPRR1335, Implementation of PUCT Changes to Firm Fuel Supply Service for Phase 3
11/06/2026 M-B110626-01 Save the Date for the 2027 ERCOT Innovation Summit
11/06/2026 R-A100826-03 Planned Maintenance Outage - Retail
11/06/2026 M-A110626-01 ERCOT to Expand Texas Advisory and Notification System; Migrate Current Email Subscribers to New Platform
11/05/2026 R-A110526-01 Planned Maintenance Outage - Retail
11/05/2026 M-A110526-01 Net Dependable Capability and Reactive Capability (NDCRC) API access for QSE test request submissions
11/04/2026 M-B102626-03 Planned system maintenance with impacted services
11/04/2026 M-A102626-03 Planned system maintenance with impacted services
11/03/2026 M-A110326-01 Proposal to Add EAP at Lobo 345 kV
11/02/2026 M-A102626-02 Planned system maintenance with impacted services
11/02/2026 M-B102626-02 Planned system maintenance with impacted services
10/30/2026 M-B103026-01 Dashboards affected by end of Daylight Saving Time (DST) October 31 - November 2, 2026
10/30/2026 M-A093026-03 Implementation Details of NOGRR226, Addition of Supplemental UFLS Stages, and NOGRR247, Change UFLS Stages and Load Relief Amounts
10/30/2026 M-A103026-01 Counter-Party quarterly unaudited financial statements due by November 30, 2026
10/29/2026 M-C100126-02 Reliability analysis determination for Gregory Power Partners LLC (LGE_LGE_GT1, LGE_LGE_GT2, LGE_LGE_STG)
10/28/2026 M-A102826-01 2027.2nd6.AnnualAuction.Seq2
10/28/2026 R-A100826-02 Planned Maintenance Outage - Retail
10/28/2026 M-B101526-02 Implementation Details of NPRR1198, Congestion Mitigation Using Topology Reconfigurations, and related NOGRR258 and PGRR113
10/26/2026 M-A100826-02 ERCOT has elected to opt out of conducting a reliability analysis for HEN Infrastructure LLC (COYOTSPR_ESR1)
10/26/2026 M-B102626-01 Planned system maintenance with impacted services
10/26/2026 M-A102626-01 Planned system maintenance with impacted services
10/26/2026 M-A101226-03 Implementation of Market-facing changes for October 28, 2026, and October 29, 2026
10/23/2026 M-B102326-01 Market Participants (MPs) using shared email addresses for Authorized Representatives (ARs) and Backup ARs must submit a Notice of Change of Information (NCI) before NPRR1302 is implemented.
10/23/2026 M-A102326-01 2026.DEC.Monthly.Auction
10/22/2026 W-A102226-01 New Nueces County 138 kV (NUECES) Generic Transmission Constraint (GTC)