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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  
05/20/2025 M-A050625-09 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 31, 2024, and September 01, 2024
05/19/2025 M-A050225-02 Implementation of Market-facing changes for May 29, 2025
05/16/2025 M-A050625-08 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 29, 2024, and August 30, 2024
05/16/2025 M-A051625-01 Partial Implementation - VCMRR042, SO2 and NOx Emission Index Prices Used in Verifiable Cost Calculations (Index Change for Nitrogen Oxide (NOx) from Cross-State Annual to Cross-State Seasonal Prices)
05/15/2025 M-A050625-07 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 25, 2024, and August 27, 2024
05/15/2025 M-A051525-01 Potential Price Correction - Generic Transmission Constraint incorrectly being considered in SCED
05/14/2025 M-A050625-06 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 23, 2024, and August 24, 2024
05/13/2025 M-A050625-05 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 21, 2024, and August 22, 2024
05/13/2025 M-A051325-01 Notice of Severe Weather Drill (Hurricane)
05/09/2025 M-A050925-01 Requirement for Disturbance Monitoring Equipment (DME) Installation and Configuration for Large Loads
05/09/2025 M-A050625-04 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 19, 2024, and August 20, 2024
05/08/2025 M-A041025-02 Reliability analysis determination for Chisholm Grid LLC (CHISMGRD_BES1, CHISMGRD_LD1)
05/08/2025 M-A050625-03 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 16, 2024, and August 17, 2024
05/07/2025 M-A050625-02 Board-Approved Price Correction (incorrect Resource telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 14, 2024, and August 15, 2024
05/06/2025 M-A050625-01 Board-Approved Price Correction (incorrect Resource telemetry) – Real-Time Market (RTM) Resettlement for Operating Days (ODs) August 12, 2024 and August 13, 2024
05/04/2025 R-A042225-04 Completion - Planned Maintenance Outage
05/02/2025 M-A050225-01 Implementation of Market-facing changes for May 29, 2025
05/02/2025 M-C050225-01 CRR Account Holders and Counter-Parties
05/02/2025 M-B050225-01 Upcoming training courses
05/02/2025 W-A050225-01 Requirement to submit dynamic models compatible with PSS/E version 36 prior to June 1, 2026
05/01/2025 M-A050125-01 Virtual office hours to assist Market Participants with questions about submitting summer 2025 Declaration of Weather Preparedness (DoWP) documents
05/01/2025 R-A042225-03 Planned Maintenance Outage - Retail
04/30/2025 M-C43024-01 Counter-Party quarterly unaudited financial statements due by May 30, 2025
04/30/2025 M-B043025-01 CRR 2026.1st6.AnnualAuction.Seq2 CRR Auction
04/30/2025 M-A042225-03 Planned system maintenance with impacted services