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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  
05/30/2025 M-B053025-01 IMPORTANT COMPLIANCE ISSUE: Notice of Widespread Noncompliance with Reporting and Attestation Regarding the Purchase of Critical Electric Grid Equipment (CEGE) and Critical Electric Grid Services (CEGS)
05/30/2025 W-A032223-09 Completion of Annual Constraint Management Plans Review - Correction
05/30/2025 W-B053025-01 2025 Summer and Fall Seasonal Voltage Profiles
05/30/2025 W-A032223-08 Completion of Annual Constraint Management Plans Review
05/30/2025 M-C053025-01 2025.JUL.Monthly.Auction
05/30/2025 W-A053025-01 Electric Reliability Organization Fee (EROF) Third Quarter 2025 Invoices
05/30/2025 M-A053025-01 Test of ERCOT.com performance and ERCOT's automated emergency notification system
05/29/2025 W-A052925-01 Update Generic Limits identification process for the Hamilton Generic Transmission Constraint (GTC)
05/28/2025 M-A052825-01 Planned system maintenance with impacted services
05/28/2025 R-A052825-01 Planned Maintenance Outage - Retail
05/28/2025 W-A052825-01 Notice of disbursement of disgorged funds relating to Mercuria Energy America, LLC's (Mercuria) enforcement proceeding
05/28/2025 M-A050225-03 Implementation of Market-facing changes for May 29, 2025
05/27/2025 M-A052725-01 Planned system maintenance with impacted services
05/23/2025 M-A052325-01 Proposed Revision to Maximum Daily Resource Planned Outage Capacity Methodology
05/23/2025 M-A050625-12 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) September 8, 2024, September 9, 2024 and September 10, 2024
05/22/2025 M-A050625-11 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) September 6, 2024, and September 7, 2024
05/21/2025 M-A050625-10 Board-Approved Price Correction (defect with suspect telemetry) - Real-Time Market (RTM) Resettlement for Operating Days (ODs) September 3, 2024, and September 5, 2024
05/21/2025 M-A052125-01 Partial Implementation Details of NPRR1234, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater
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