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  
08/17/2026 M-B081026-02 Update to Transmission-Voltage Customers Opt-Out List Maintained Pursuant to PURA section 39.653(d)
08/17/2026 W-A081726-01 Settlement for the ERS Standard Contract Term of April 01, 2026 - May 31, 2026
08/14/2026 M-A081426-01 ERCOT will implement a fix to align virtual Energy-Only submission validation in the Day-Ahead Market (DAM) with Protocols Sections 4.4.9.5.1(3) and 4.4.9.6.1(2)
08/14/2026 M-B081426-01 Implementation Details of NPRR1290, Gap Resolutions and Clarifications for the Implementation of RTC+B, and NPRR1323, Correction to Inadvertent Removal of Real-Time MCPC Capping for NPRR1290 Phase 2
08/14/2026 M-A081026-02 Implementation of Market-facing changes for August 26, 2026, and August 27, 2026
08/12/2026 R-A081226-01 Planned Maintenance Outage - Retail
08/12/2026 R-A072226-02 Retail Market Qualification Testing (Flight 1026) begins September 14, 2026, application processing deadline of August 19, 2026, and a registration deadline of September 9, 2026
08/10/2026 M-B081026-01 Update to Transmission Volage-Customers Opt - Out List Maintained Pursuant to PURA 39.653(d)
08/10/2026 M-A050126-03 NPRR1265, Unregistered Distributed Generator (UDG), MIS Links for UDG Template and Annual Report
08/10/2026 M-A081026-01 Implementation of Market-facing changes for August 26, 2026, and August 27, 2026
08/09/2026 R-A071026-04 Completion - Planned Maintenance Outage - Retail
08/07/2026 M-B080726-01 Upcoming training courses
08/06/2026 R-A071026-03 Planned Maintenance Outage - Retail
08/05/2026 M-A080526-01 Firm Fuel Supply Service Capability Demonstration due August 15, 2026
08/05/2026 M-A072826-03 Planned system maintenance with impacted services
08/05/2026 M-B072726-03 Planned system maintenance with impacted services
08/03/2026 R-A080326-01 Deletion of System Generated Market Notices for retail market outages or degradation
08/03/2026 M-A080326-01 Update Regarding Batch Zero Timelines and Processes
08/03/2026 M-A072826-02 Planned system maintenance with impacted services
08/03/2026 M-B072726-02 Planned system maintenance with impacted services
07/31/2026 M-G073126-01 Notification of Suspension of Operations (NSO) for Chisholm Grid, LLC (CHISMGRD_BES1, CHISMGRD_LD1)
07/31/2026 M-F073126-01 Revised Notice of Proposed Net Metering Arrangement Form relating to Net Metering Arrangements Involving a Large Load Customer Co-Located with an Existing Generation Resource
07/31/2026 M-A052026-02 Impact Analysis - Incorrect consideration of ECRS Ramp Rate Telemetry for Non-Controllable Load Resources
07/31/2026 M-E073126-01 2026.SEP.Monthly.Auction
07/31/2026 M-B073126-01 Counter-Party quarterly unaudited financial statements due by August 31, 2026