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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  
10/09/2026 M-A100926-01 ERCOT is decreasing the Securitization Uplift Charge Daily Amount (SUCDA) used in calculating Securitization Subchapter N Uplift Charge escrow deposits and Securitization Uplift Charges
10/09/2026 M-B100926-01 ERCOT is increasing the Total Securitization Default Charge Monthly Amount (TSDCMA) used to calculate Securitization Subchapter M escrow deposits and Securitization Default Charges
10/09/2026 R-A091026-03 Planned Maintenance Outage - Retail
10/08/2026 M-A100826-01 Notification of Suspension of Operations (NSO) for HEN Infrastructure LLC (COYOTSPR_ESR1)
10/08/2026 R-A100826-01 Planned Maintenance Outage - Retail
10/07/2026 M-B092826-03 Planned system maintenance with impacted services
10/07/2026 M-A092826-03 Planned system maintenance with impacted services
10/05/2026 M-A100526-01 Notification of Change of Generation Resource Designation (NCGRD) for Chisholm Grid LLC (CHISMGRD_ESR1)
10/05/2026 M-A092826-02 Planned system maintenance with impacted services
10/05/2026 M-B092826-02 Planned system maintenance with impacted services
10/02/2026 M-C100226-01 RIOO Maintenance Release
10/02/2026 M-B100226-01 2026.NOV.Monthly.Auction
10/02/2026 M-A100226-01 RFP for NWS ERS-30, WS ERS-30, NWS ERS-10 and WS ERS-10 for the SCT of December 1, 2026, through March 31, 2027
10/01/2026 M-C100126-01 Notification of Suspension of Operations (NSO) for Gregory Power Partners LLC (LGE_LGE_GT1, LGE_LGE_GT2, LGE_LGE_STG)
10/01/2026 M-B100126-01 Upcoming training courses
10/01/2026 M-A100126-01 ERCOT System Operator Certification Exam Update
10/01/2026 R-A091026-02 Planned Maintenance Outage -Retail
09/30/2026 M-B093026-01 2027.1st6.AnnualAuction.Seq1
09/30/2026 M-A093026-01 Implementation Details of NOGRR226, Addition of Supplemental UFLS Stages, and NOGRR247, Change UFLS Stages and Load Relief Amounts
09/29/2026 W-A092926-01 Notice of final redistribution of the disgorged funds relating to Tenaska Power Services Co.'s (Tenaska) enforcement proceeding that were returned to Electric Reliability Council of Texas (ERCOT)
09/29/2026 M-A091026-03 Implementation of Market-facing changes for September 30, 2026, and October 01, 2026
09/29/2026 M-A091126-02 ERCOT Reliability Monitor Stakeholder Training
09/28/2026 M-A092826-01 Planned system maintenance with impacted services
09/28/2026 M-D092826-01 Implementation Details of NPRR1281 and NPRR1327 (Settlement-Related)
09/28/2026 M-E092826-01 ERCOT MOTE will be open for DST testing