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.

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Recent Market Notices

These notices were sent within the last 30 days.

Date Subject
06/13/2019 W-A061319-01 Proposal to Add Stryker/Mt. Enterprise to Trinidad 345 kV Double Circuit Pre-Contingency Action Plan
06/13/2019 W-B061319-01 Proposal to Add Culberson Loop Remedial Action Scheme
06/12/2019 M-A061219-01 Implementation Details of NPRR921, PGRR069, NOGRR185
06/11/2019 W-A061119-01 EROF Third Quarter 2019 Invoices
06/10/2019 M-A061019-01 Upcoming market training courses
06/06/2019 M-A060619-01 Planned system maintenance with impacted services
06/05/2019 M-A060519-01 2020.2nd6.AnnualAuction.Seq3 CRR Auction
06/02/2019 M-A050219-04 Completion – Retail Release
05/31/2019 M-A050219-03 Reminder - Retail Release June 2019
05/31/2019 M-A053119-01 2019.JUL.Monthly.Auction
05/31/2019 M-A053119-01 Implementation Details of NPRR821
05/31/2019 W-A031119-04 Completion of Annual Constraint Management Plans Review
05/31/2019 W-A053119-01 2019 Summer and Fall Seasonal Voltage Profiles
05/29/2019 W-B031519-04 Clarification of Implementation Details of NPRR901
05/24/2019 M-A042619-03 Reminder - Implementation of market-facing changes for May 2019
05/24/2019 M-A052319-02 Market Participant Identity Management (MPIM) Outage resolved
05/24/2019 M-A052419-01 Planned system maintenance with impacted services
05/24/2019 R-A040119-02 Request for Renewable Energy Percentages
05/24/2019 W-A052419-01 Implementation of maximum Shadow Price for an irresolvable constraint in SCED
05/23/2019 M-A050619-02 Reminder - Implementation Details for NPRR519, NPRR620, NPRR660, and NPRR741
05/23/2019 M-A052319-01 Market Participant Identity Management (MPIM) Outage
05/23/2019 M-B032819-07 Reminder - Changes to programmatic access to ERCOT's External Web Services API
05/23/2019 W-052319-01 Notification of Suspension of Operations (NSO) for Southwest Mesa (SW_MESA_SW_MESA)
05/23/2019 W-A052319-01 Change in Posting Time of Solar Forecast Data and Certain Current Day Report Products
05/23/2019 W-B052319-01 Payment due on private WAN fees
05/22/2019 M-A050219-02 Reminder - Retail Release June 2019
05/21/2019 M-A050119-02 Reminder - Implementation Details of NPRR909
05/21/2019 M-A052219-01 Changes to 2-Day DAM Bids and Offers Reports
05/20/2019 W-A031119-03 Update - Annual Constraint Management Plans Review
05/17/2019 M-A042619-02 Reminder - Implementation of market-facing changes for May 2019
05/17/2019 M-A051719-01 Revised 2017 AML data posted for each LSE
05/17/2019 M-B051719-01 Implementation Details of NPRR912
05/17/2019 W-A040319-02 Implementation Details of NPRR916 (Phase 2)
05/17/2019 W-A051719-01 Resource Integration Workshop
05/17/2019 W-A083018-02 Implementation of remainder of NOGRR174
05/17/2019 W-B031519-03 Implementation Details of NPRR901
05/17/2019 W-B051719-01 Implementation Details of NPRR910 and OBDRR010
05/15/2019 W-B043019-02 Reminder of Upcoming Submission Period for Declarations of Completion of Generation Resource Weatherization Preparations