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Market Notices concerning Power Operations and related Technical Issues at ERCOT.
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M-B032726-01 Stale Shift Factors and Constraints in SCED
ERCOT Client Services
Fri, 27 Mar 2026 16:46:07 -0500
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M-A032726-01 Stale values for Generation and Constraint Shift Factor Data used in the Real-Time Market
ERCOT Client Services
Fri, 27 Mar 2026 16:03:25 -0500
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M-E032526-01 2026 Annual Constraint Management Plans Review
ERCOT Client Services
Wed, 25 Mar 2026 17:08:06 -0500
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M-A011626-04 Enhancements to the ERCOT Outage Scheduler will be implemented on March 26, 2026.
ERCOT Client Services
Wed, 25 Mar 2026 15:16:49 -0500
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M-C032526-01 Incorrect Mitigated Offer Curves in the Real-Time Market due to Incorrect Verifiable Cost Data
ERCOT Client Services
Wed, 25 Mar 2026 11:16:17 -0500
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M-A032526-01 GTC Communication Documents Update - 2026
ERCOT Client Services
Wed, 25 Mar 2026 11:14:15 -0500
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M-A030626-03 Implementation of Market-facing changes for March 26, 2026
ERCOT Client Services
Tue, 24 Mar 2026 15:39:46 -0500
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M-A032326-01 Access and familiarization of the Real- Time Operation Communications (RTOC) tool
ERCOT Client Services
Mon, 23 Mar 2026 14:10:32 -0500
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M-A032326-01 Resource Entity (RE) and Transmission Service Provider (TSP) summer weather preparedness workshop in person or by WebEx
ERCOT Client Services
Mon, 23 Mar 2026 13:04:33 -0500
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M-A032026-01 Posting of Summer Load Shed Tables
ERCOT Client Services
Fri, 20 Mar 2026 14:38:23 -0500
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M-D031626-01 Unplanned network outage with impacted service
ERCOT Client Services
Mon, 16 Mar 2026 22:33:20 -0500
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M-A030626-02 Implementation of Market-facing changes for March 26, 2026
ERCOT Client Services
Mon, 16 Mar 2026 13:17:49 -0500
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M-A011626-03 NPRR1287, Revision to Outage Coordination, will be implemented on March 26, 2026. Enhancements to the ERCOT Outage Scheduler will be delayed until March 26, 2026
ERCOT Client Services
Mon, 16 Mar 2026 13:17:13 -0500
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M-A301326-01 Stakeholder Comments on proposed Large Load Batch Zero Process for discussion at March 24 Workshop
ERCOT Client Services
Fri, 13 Mar 2026 11:22:31 -0500
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M-B030626-02 60-Day SCED Disclosure Report: Null Basepoint for CLRs within the 60-Day Load Resource Data in SCED output files - Supplemental files available 03/12/2026
ERCOT Client Services
Thu, 12 Mar 2026 16:13:31 -0500
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R-A031226-01 Planned Maintenance Outage - Retail
ERCOT Client Services
Thu, 12 Mar 2026 12:08:29 -0500
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M-B031226-01 Integration of City of Caldwell Load into the ERCOT System Complete
ERCOT Client Services
Thu, 12 Mar 2026 10:45:28 -0500
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R-A022426-04 Completion - Planned Maintenance Outage - Retail
ERCOT Client Services
Sun, 8 Mar 2026 11:29:37 -0500
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M-B030626-01 60-Day SCED Disclosure Report: Null Basepoint for CLRs within the 60-Day Load Resource Data in SCED output files
ERCOT Client Services
Fri, 6 Mar 2026 08:57:38 -0600
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M-A030626-01 Implementation of Market-facing changes for March 26, 2026
ERCOT Client Services
Fri, 6 Mar 2026 08:56:33 -0600
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R-A022426-03 Planned Maintenance Outage - Retail
ERCOT Client Services
Fri, 6 Mar 2026 08:55:50 -0600
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M-A030526-01 Dashboards and displays affected by beginning of Daylight Saving Time (DST) March 8, 2026
ERCOT Client Services
Thu, 5 Mar 2026 16:04:06 -0600
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W-A030526-01 2026 Annual Constraint Management Plans Review
ERCOT Client Services
Thu, 5 Mar 2026 13:29:26 -0600
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M-B030426-01 Upcoming training courses
ERCOT Client Services
Wed, 4 Mar 2026 11:16:29 -0600
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M-A030426-01 Resource Entity Hot Weather Operating Limits Review and Update
ERCOT Client Services
Wed, 4 Mar 2026 10:23:14 -0600
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M-091625-03 Registration Closing Soon for ERCOT Innovation Summit
ERCOT Client Services
Wed, 4 Mar 2026 09:04:03 -0600
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M-A022526-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 4 Mar 2026 08:33:01 -0600
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M-B022326-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 4 Mar 2026 08:31:47 -0600
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M-B030226-01 Stakeholder Feedback on a proposed Large Load Batch Study process
ERCOT Client Services
Mon, 2 Mar 2026 16:04:42 -0600
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M-A022526-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 2 Mar 2026 11:26:53 -0600
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M-A030226-01 Updates to ADER Pilot Participation Limits
ERCOT Client Services
Mon, 2 Mar 2026 11:26:01 -0600
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M-B022326-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 2 Mar 2026 08:58:59 -0600
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M-C022726-01 Posting of the 2025 High Impact Transmission Elements (HITE)
ERCOT Client Services
Fri, 27 Feb 2026 17:09:00 -0600
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R-A022426-02 Planned Maintenance Outage - Retail
ERCOT Client Services
Fri, 27 Feb 2026 12:53:28 -0600
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M-A021926-02 Implementation Details of NPRR1277, Revisions to EAL Formula
ERCOT Client Services
Thu, 26 Feb 2026 11:16:48 -0600
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M-A022526-01 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 25 Feb 2026 12:25:47 -0600
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M-A021826-02 60-Day SCED Disclosure Report: Missing Telemetered Ancillary Service Capability data for RRS - Supplemental files posted 02/23/2026
ERCOT Client Services
Tue, 24 Feb 2026 16:45:33 -0600
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R-A022426-01 Planned Maintenance Outage - Retail
ERCOT Client Services
Tue, 24 Feb 2026 11:18:31 -0600
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M-A020326-03 Implementation of Market-facing changes for February 26, 2026
ERCOT Client Services
Tue, 24 Feb 2026 10:24:57 -0600
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M-A022326-01 Large Load Interconnection Studies update for Far West Texas region
ERCOT Client Services
Mon, 23 Feb 2026 16:36:43 -0600
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M-B022326-01 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 23 Feb 2026 11:39:14 -0600
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R-A022026-01 Planned Maintenance Outage - Retail
ERCOT Client Services
Fri, 20 Feb 2026 12:06:24 -0600
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M-A011626-02 NPRR1287, Revision to Outage Coordination, will be implemented on March 26, 2026. Enhancements to the ERCOT Outage Scheduler will be delayed until March 26, 2026.
ERCOT Client Services
Fri, 20 Feb 2026 11:48:06 -0600
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M-B021926-01 ERCOT's External Web Services Secure Sockets Layer certificate renewal
ERCOT Client Services
Thu, 19 Feb 2026 16:59:36 -0600
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M-A021926-01 Implementation Details of NPRR1277, Revisions to EAL Formula
ERCOT Client Services
Thu, 19 Feb 2026 11:46:08 -0600
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M-A021826-01 60-Day SCED Disclosure Report: Missing Telemetered Ancillary Service Capability data for RRS
ERCOT Client Services
Wed, 18 Feb 2026 16:38:36 -0600
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M-A122325-05 Large Load Batch Study Process Workshop #3 on February 26, 2026
ERCOT Client Services
Tue, 17 Feb 2026 11:52:16 -0600
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W-B020226-02 2025 Generation Information Reporting Requirement for Renewable and Green Energy Verification
ERCOT Client Services
Mon, 16 Feb 2026 15:56:49 -0600
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M-A020326-02 Implementation of Market-facing changes for February 26, 2026
ERCOT Client Services
Mon, 16 Feb 2026 13:44:37 -0600
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M-B021326-01 Impacts to Generic Transmission Constraint Limits in the Day-Ahead Market due to a software issue.
ERCOT Client Services
Fri, 13 Feb 2026 16:57:56 -0600
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M-A021326-01 Back-up control plans due by March 15, 2026
ERCOT Client Services
Fri, 13 Feb 2026 08:46:42 -0600
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M-B021226-01 Notice of PUCT Electric Service Emergency Operations Plan (EOP) filings and related documents under 16 TAC 25.53
ERCOT Client Services
Thu, 12 Feb 2026 16:47:18 -0600
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M-A021226-01 Review of end-use industry classification for Load Points meeting the criteria in paragraphs (15)(c) and (17)(c) of Protocol Section 3.10.7.2, Modeling of Resources and Transmission Loads
ERCOT Client Services
Thu, 12 Feb 2026 15:49:44 -0600
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M-B021126-01 ERCOT RFI for Load Forecast Information Regarding Medium and Large Loads
ERCOT Client Services
Wed, 11 Feb 2026 17:13:38 -0600
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M-A021126-01 Potential Price Correction - Incorrect consideration of Reliability Must Run Units for Reliability Deployment Price Adder
ERCOT Client Services
Wed, 11 Feb 2026 14:08:17 -0600
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M-B021026-01 Notice of ERCOT Reliability Monitor (ERM) Compliance Audit
ERCOT Client Services
Tue, 10 Feb 2026 10:41:10 -0600
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R-A011626-04 Completion - Planned Maintenance Outage
ERCOT Client Services
Sun, 8 Feb 2026 14:36:25 -0600
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M-B020626-01 60-Day SCED Disclosure Report corrections for 02/03/2026 and 02/04/2026 postings
ERCOT Client Services
Fri, 6 Feb 2026 14:52:11 -0600
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M-A020526-01 Potential Price Correction - SCED Incorrectly Determined Qualifying Facility Output Schedules
ERCOT Client Services
Thu, 5 Feb 2026 17:14:59 -0600
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R-A011626-03 Planned Maintenance Outage - Retail
ERCOT Client Services
Thu, 5 Feb 2026 09:52:30 -0600
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M-A020426-01 ERCOT MOTE will be open for DST testing
ERCOT Client Services
Wed, 4 Feb 2026 09:51:42 -0600
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M-A012626-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 4 Feb 2026 08:34:06 -0600
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M-C012626-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 4 Feb 2026 08:33:23 -0600
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M-A122325-04 Stakeholder Feedback on a proposed Large Load Batch Study process framework
ERCOT Client Services
Tue, 3 Feb 2026 15:00:57 -0600
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M-A020326-01 Implementation of Market-facing changes for February 26, 2026
ERCOT Client Services
Tue, 3 Feb 2026 09:27:15 -0600
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M-B020226-01 Upcoming training courses
ERCOT Client Services
Mon, 2 Feb 2026 16:24:12 -0600
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M-C012626-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 2 Feb 2026 11:19:28 -0600
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M-A012626-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 2 Feb 2026 08:29:40 -0600
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W-A020226-01 Reminder - Upcoming reporting deadline for annual NOIE unregistered DG report
ERCOT Client Services
Mon, 2 Feb 2026 08:27:02 -0600
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M-A020226-01 Retirement of Pre-Real-Time Co-Optimization (RTC) System Operations Test Enviroment (SOTE) and Updated Citrix Shortcuts to access RTC+B SOTE
ERCOT Client Services
Mon, 2 Feb 2026 08:24:57 -0600
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M-A013126-01 Optional, Final Ad Hoc Interim Voltage Ride-Through Assessment for Large Loads Requesting Initial Energization Before July 1, 2026
ERCOT Client Services
Sat, 31 Jan 2026 09:53:55 -0600
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M-A122325-03 Workshop update regarding development of a proposed Batch Study process framework as part of ERCOT's Large Load interconnection process stakeholder engagement plan
ERCOT Client Services
Fri, 30 Jan 2026 15:36:56 -0600
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M-A013026-01 Enhancements to the ERCOT Outage Scheduler in MOTE
ERCOT Client Services
Fri, 30 Jan 2026 09:23:13 -0600
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M-C013026-01 Education/Training
ERCOT Client Services
Fri, 30 Jan 2026 08:57:53 -0600
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M-C011626-03 Implementation of Market-facing changes for January 29, 2026
ERCOT Client Services
Wed, 28 Jan 2026 11:16:19 -0600
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M-A012826-01 All Market Participants (User Security Administrators (USAs), Resource Entities, TDSPs)
ERCOT Client Services
Wed, 28 Jan 2026 10:57:01 -0600
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W-A012726-01 Update Generic Limit guidelines for the Greater Valley Area (Valley Export, NelsonSharpe_RioHondo & NorthEd_lobo) Generic Transmission Constraints (GTCs)
ERCOT Client Services
Tue, 27 Jan 2026 09:52:03 -0600
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M-D012626-01 Notice of updated Exhibit B to ERCOT-SPP Coordination Plan
ERCOT Client Services
Mon, 26 Jan 2026 16:50:36 -0600
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M-C012626-01 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 26 Jan 2026 15:17:00 -0600
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M-B111425-02 Reminder - RFP for Black Start Services for 2027 through 2029
ERCOT Client Services
Mon, 26 Jan 2026 13:01:21 -0600
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M-A012626-01 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 26 Jan 2026 11:49:10 -0600
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M-B012526-01 Notice of U.S. Department of Energy Section 202(c) Order Affecting the ERCOT Region
ERCOT Client Services
Mon, 26 Jan 2026 00:08:54 -0600
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M-A012526-01 Notice of U.S. Department of Energy Section 202(c) Order Affecting Certain Customers with Backup Generation Facilities in the ERCOT Region
ERCOT Client Services
Sun, 25 Jan 2026 17:37:09 -0600
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M-D012326-01 Investigation of Incorrect Projected Non-Binding Prices, Base Points and Awards
ERCOT Client Services
Fri, 23 Jan 2026 17:10:43 -0600
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M-A011426-02 Reminder: Workshop to Discuss the Standard Form Agreement (SFA) Revisions Proposed in NPRR 1312 on January 28, 2026
ERCOT Client Services
Fri, 23 Jan 2026 11:38:46 -0600
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M-C011626-02 Implementation of Market-facing changes for January 29, 2026
ERCOT Client Services
Fri, 23 Jan 2026 11:38:13 -0600
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M-A012326-01 Planned Transmission Outage Restrictions for Summer 2026
ERCOT Client Services
Fri, 23 Jan 2026 11:37:27 -0600
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R-A011626-02 Planned Maintenance Outage - Retail
ERCOT Client Services
Fri, 23 Jan 2026 11:37:01 -0600
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M-B012326-01 TCEQ Enforcement Discretion Beginning at 12 p.m. (Noon) on January 23, 2026 and Ending at 12 p.m. (Noon) on January 27, 2026
ERCOT Client Services
Fri, 23 Jan 2026 11:15:33 -0600
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M-A012226-02 ERCOT Credit Department Receiving Emails
ERCOT Client Services
Thu, 22 Jan 2026 22:55:55 -0600
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M-A012226-01 ERCOT Credit Department Not Receiving Email
ERCOT Client Services
Thu, 22 Jan 2026 19:23:49 -0600
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M-B012126-01 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 21 Jan 2026 16:45:27 -0600
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M-C012126-01 Implementation details of NPRR 1285, Improve Self-Commitment within RUC Opt Out Window
ERCOT Client Services
Wed, 21 Jan 2026 14:34:26 -0600
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M-D011626-01 Implementation Details of PGRR131, Requirements for Interconnection Cost Reporting for Transmission-Connected Generators
ERCOT Client Services
Fri, 16 Jan 2026 16:57:30 -0600
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M-A122325-02 Workshop for ERCOT Large Load interconnection process stakeholder engagement regarding development of a proposed Batch Study process framework
ERCOT Client Services
Fri, 16 Jan 2026 16:02:12 -0600
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M-A011626-01 Enhancements to the ERCOT Outage Scheduler
ERCOT Client Services
Fri, 16 Jan 2026 12:58:29 -0600
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R-A011626-01 Outage Retail/Wholesale
ERCOT Client Services
Fri, 16 Jan 2026 12:42:44 -0600
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M-A012026-01 Weatherization Inspection Invoice Correction
ERCOT Client Services
Fri, 16 Jan 2026 12:31:41 -0600
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M-C011626-01 Implementation of Market-facing changes for January 29, 2026
ERCOT Client Services
Fri, 16 Jan 2026 12:09:40 -0600
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M-A060525-09 Notification of Miscellaneous Invoices (True-Up Settlement) for the Service Agreement with Life Cycle Power
ERCOT Client Services
Thu, 15 Jan 2026 10:57:40 -0600
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M-B121825-03 Reminder: Upgrade to the email subscription service, LISTSERV. Action required.
ERCOT Client Services
Wed, 14 Jan 2026 16:20:49 -0600
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M-A120125-02 Updated Standard Generation Interconnection Agreement (SGIA) and Amendments
ERCOT Client Services
Wed, 14 Jan 2026 14:48:08 -0600
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M-A060525-08 Notification of Miscellaneous Invoices (True-Up Settlement) for the Service Agreement with Life Cycle Power
ERCOT Client Services
Wed, 14 Jan 2026 13:52:58 -0600
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M-A011426-01 Workshop to Discuss the SFA Revisions Proposed in NPRR 1312 on January 28, 2026
ERCOT Client Services
Wed, 14 Jan 2026 10:44:38 -0600
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M-A011326-01 Request for data concerning Demand Response capabilities - Q4 2025
ERCOT Client Services
Tue, 13 Jan 2026 09:55:12 -0600
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R-A123125-04 Completion - Planned Maintenance Outage
ERCOT Client Services
Sun, 11 Jan 2026 10:15:01 -0600
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M-A121225-05 Real Time Market (RTM) Resettlement for Operating Days (ODs) December 5 and 6, 2025
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Fri, 9 Jan 2026 10:30:20 -0600
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M-A010926-01 Notification to Submit Transmission Operator Emergency Operations Plans
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Fri, 9 Jan 2026 09:50:59 -0600
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R-A123125-03 Planned Maintenance Outage - Retail
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Fri, 9 Jan 2026 09:09:27 -0600
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M-A121225-04 Update: Software Issue Identified Impacting Ancillary Service Trades
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Wed, 7 Jan 2026 09:04:08 -0600
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M-A123025-03 Planned system maintenance with impacted services
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Wed, 7 Jan 2026 08:53:02 -0600
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M-B122925-03 Planned system maintenance with impacted services
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Wed, 7 Jan 2026 08:47:38 -0600
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M-B121825-02 Reminder: Upgrade to the email subscription service, LISTSERV. Action required 
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Tue, 6 Jan 2026 13:41:24 -0600
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R-A123125-02 Planned Maintenance Outage - Retail
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Tue, 6 Jan 2026 10:21:28 -0600
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M-A123025-02 Planned system maintenance with impacted services
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Mon, 5 Jan 2026 10:51:15 -0600
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M-B122925-02 Planned system maintenance with impacted services
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Mon, 5 Jan 2026 08:57:29 -0600
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M-A121225-03 Update: Software Issue Identified Impacting Ancillary Service Trades
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Fri, 2 Jan 2026 15:50:48 -0600
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W-A010225-01 Update Generic Limits identification process for Real Time Operations
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Fri, 2 Jan 2026 09:40:06 -0600
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W-A123125-01 Change to maximum shadow prices for constraints previously determined as irresolvable by SCED
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Wed, 31 Dec 2025 13:09:29 -0600
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R-A123125-01 Planned Maintenance Outage - Retail
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Wed, 31 Dec 2025 08:30:59 -0600
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M-A123025-01 Planned system maintenance with impacted services
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Tue, 30 Dec 2025 11:37:49 -0600
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M-B122925-01 Planned system maintenance with impacted services
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Mon, 29 Dec 2025 10:59:50 -0600
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M-A122325-01 ERCOT Large Load interconnection process stakeholder engagement plan and upcoming milestones regarding development of a proposed Batch Study process framework
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Tue, 23 Dec 2025 16:53:04 -0600
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W-B122325-01 Update to the Generic Transmission Limits (GTLs) for the Zapata - Starr area (ZAPSTR) Generic Transmission Constraint (GTC)
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Tue, 23 Dec 2025 10:35:01 -0600
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W-A122325-01 Update Generic Limits identification process for the Kinney County Generic Transmission Constraint (GTC)
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Tue, 23 Dec 2025 10:28:23 -0600
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M-E110525-04 RTC+B: Corrected Implementation Details of Revision Requests
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Fri, 19 Dec 2025 15:16:16 -0600
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M-A121925-01 2026 Minimum Monthly Ancillary Service Requirements
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Fri, 19 Dec 2025 14:55:25 -0600
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M-B121925-01 Partial Implementation Details of NPRR1182, Inclusion of Controllable Load Resources and Energy Storage Resources in the Constraint Competitiveness Test Process
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Fri, 19 Dec 2025 13:12:28 -0600
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M-C121925-01 Implementation Details of NPRR1283, Modification of SSR Mitigation Timeline
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Fri, 19 Dec 2025 12:07:35 -0600
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M-B121825-01 Upgrade to the email subscription service, LISTSERV. Action required.
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M-A121725-01 Dashboard Requests Form Now Available
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Wed, 17 Dec 2025 14:22:52 -0600
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M-A121625-01 RIOO - SCR828 DUNS Limit Increase Release
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Tue, 16 Dec 2025 16:04:47 -0600
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M-A121225-02 Software Issue Identified Impacting Ancillary Service Trades
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Mon, 15 Dec 2025 19:33:05 -0600
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M-B121525-01 RCOT has posted new documents to facilitate the Large Load Interconnection process defined in Section 9 of the Planning Guide.
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Mon, 15 Dec 2025 17:01:09 -0600
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M-A121525-01 Upcoming training courses
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Mon, 15 Dec 2025 10:34:27 -0600
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M-A121225-01 Software Issue Identified Impacting Ancillary Service Trades
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M-A110725-02 Request for comments in response to November 21st Cost of New Entry (CONE) Workshop
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Fri, 12 Dec 2025 15:59:51 -0600
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M-B121225-01 Confirm Market Participants' Affiliates and Lone Star Infrastructure Protection Act (LSIPA) Attestation by January 30, 2026, for LSIPA Compliance Purposes
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Fri, 12 Dec 2025 11:17:36 -0600
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M-A120925-02 Revised date for final CDR release - December 19, 2025; Pre-release draft version of the Report on Capacity, Demand and Reserves in the ERCOT Region (CDR) is available for review
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Tue, 9 Dec 2025 17:07:11 -0600
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M-A120925-01 Pre-release draft version of the Report on Capacity, Demand and Reserves in the ERCOT Region (CDR) is available for review
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M-B120525-01 Real-Time Market Price Correction - Generic Transmission Constraint incorrectly considered in SCED
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Fri, 5 Dec 2025 10:40:26 -0600
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M-F110525-04 RTC+B: Implementation Go-Live Complete for Operating Day December 5, 2025
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Fri, 5 Dec 2025 09:50:29 -0600
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M-C110625-03 ERCOT Change to End-Point URL Address for External Web Services API in Production Environment
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Wed, 3 Dec 2025 13:46:24 -0600
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W-A120325-01 Reminder - ACTION REQUIRED - PUN output capacity changes
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Wed, 3 Dec 2025 12:24:33 -0600
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M-F110525-03 RTC+B: Implementation Go-Live Plan for Operating Day December 5, 2025
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Wed, 3 Dec 2025 12:19:11 -0600
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M-E110525-03 RTC+B: Implementation Details of Revision Requests
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Wed, 3 Dec 2025 12:18:27 -0600
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M-C110525-03 RTC+B: Implementation Details of Settlement-Related NPRRs
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Wed, 3 Dec 2025 12:16:55 -0600
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M-B110525-03 RTC+B: Implementation of Market-facing changes for December 05, 2025
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Wed, 3 Dec 2025 12:16:07 -0600
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M-A110525-03 RTC+B: Implementation of credit provisions of NPRR1013
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Wed, 3 Dec 2025 12:15:18 -0600
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W-A120225-01 2026 Winter and Spring Seasonal Voltage Profiles
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Tue, 2 Dec 2025 17:26:23 -0600
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M-A120125-01 Updated Standard Generation Interconnection Agreement (SGIA) effective beginning January 1, 2026
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Mon, 1 Dec 2025 12:13:37 -0600
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M-A112625-01 Non-Spin Ancillary Service Plan November-to-December Transition
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Wed, 26 Nov 2025 12:43:33 -0600
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M-A052125-02 Partial Implementation Details of NPRR1234/PGRR115, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater
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Tue, 25 Nov 2025 13:14:38 -0600
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M-B112525-01 GTC Communication Documents Update - Far West Texas IROLs
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Tue, 25 Nov 2025 12:04:49 -0600
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M-C110625-02 ERCOT Change to End-Point URL Address for External Web Services API in Production Environment
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Fri, 21 Nov 2025 14:17:53 -0600
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M-F110525-02 RTC+B: Implementation Go-Live Plan for Operating Day December 5, 2025
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Fri, 21 Nov 2025 12:04:24 -0600
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M-E110525-02 RTC+B: Implementation Details of Revision Requests
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Fri, 21 Nov 2025 12:03:43 -0600
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M-C110525-02 RTC+B: Implementation Details of Settlement-Related NPRRs
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Fri, 21 Nov 2025 12:03:05 -0600
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M-B110525-02 RTC+B: Implementation of Market-facing changes for December 05, 2025
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Fri, 21 Nov 2025 12:01:57 -0600
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M-A110525-02 RTC+B: Implementation of credit provisions of NPRR1013
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Fri, 21 Nov 2025 12:00:31 -0600
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M-091625-02 Registration is Open - 2026 ERCOT Innovation Summit
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Wed, 19 Nov 2025 15:02:31 -0600
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M-A111925-01 Non-Spin Ancillary Service Plan November-to-December Transition
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Wed, 19 Nov 2025 11:28:09 -0600
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M-A111725-01 Potential Price Correction - Incorrect Generation to be Dispatched Values Used in SCED
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Mon, 17 Nov 2025 15:37:05 -0600
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M-B111725-01 RTC+B: ERCOT Market Operations Testing Environment (MOTE) transition to RTC+B on December 1, 2025
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Mon, 17 Nov 2025 15:34:01 -0600
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M-C111425-01 Upcoming training courses
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Fri, 14 Nov 2025 10:56:51 -0600
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M-A111425-01 Updates to the Aggregated Distributed Energy Resource (ADER) Webpage
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Fri, 14 Nov 2025 09:51:56 -0600
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M-B111325-01 RTC+B: ERCOT API/XML Interface Listener Setup for QSEs without Resources
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Thu, 13 Nov 2025 11:27:17 -0600
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R-111225-01 Planned Maintenance Outage - Retail
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Wed, 12 Nov 2025 14:47:15 -0600
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M-B111125-01 Workshop on Aurora Energy Research Report Analyzing Resource Adequacy and Market Design Including DRRS
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Tue, 11 Nov 2025 11:22:13 -0600
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R-A102925-04 Completion - Planned Maintenance Outage
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Sun, 9 Nov 2025 10:15:48 -0600
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M-A110725-01 Cost of New Entry (CONE) Workshop on November 21, 2025
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Fri, 7 Nov 2025 13:11:24 -0600
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R-A102925-03 Planned Maintenance Outage - Retail
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Fri, 7 Nov 2025 08:23:01 -0600
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M-C110625-01 ERCOT Change to End-Point URL Address for External Web Services API in Production Environment
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Thu, 6 Nov 2025 16:00:23 -0600
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M-B110625-01 RTC+B: Acknowledgment from QSEs without Resources of RTC+B impacts
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Thu, 6 Nov 2025 15:55:50 -0600
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M-A110625-01 2025 Winter Load Shed Training Exercise
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Thu, 6 Nov 2025 15:40:18 -0600
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M-E110525-01 RTC+B: Implementation Details of Revision Requests
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Wed, 5 Nov 2025 16:20:22 -0600
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M-B110525-01 RTC+B: Implementation of Market-facing changes for December 05, 2025
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Wed, 5 Nov 2025 16:20:09 -0600
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M-C110525-01 RTC+B: Implementation Details of Settlement-Related NPRRs
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Wed, 5 Nov 2025 16:19:53 -0600
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M-A110525-01 RTC+B: Implementation of credit provisions of NPRR1013
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Wed, 5 Nov 2025 16:19:35 -0600
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M-F110525-01 RTC+B: Implementation Go-Live Plan for Operating Day December 5, 2025
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Wed, 5 Nov 2025 16:19:17 -0600
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M-B102725-03 Planned system maintenance with impacted services
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Wed, 5 Nov 2025 08:44:56 -0600
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M-A102825-03 Planned system maintenance with impacted services
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Wed, 5 Nov 2025 08:43:53 -0600
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R-A102925-02 Planned Maintenance Outage - Retail
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Tue, 4 Nov 2025 09:27:05 -0600
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M-A102825-02 Planned system maintenance with impacted services
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Mon, 3 Nov 2025 10:00:31 -0600
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M-B102725-02 Planned system maintenance with impacted services
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Mon, 3 Nov 2025 08:47:15 -0600
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M-D103125-01 Dashboards affected by end of Daylight Saving Time (DST) November 1 - 3, 2025
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Fri, 31 Oct 2025 13:55:03 -0500
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M-A103125-01 Window to submit Declarations of Weather Preparedness (DoWP) via the ERCOT Weatherization & Inspection Market Participant Portal (Portal) is November 1 - December 1, 2025
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Fri, 31 Oct 2025 09:02:58 -0500
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M-A103025-01 RIOO NOGRR245 Release to Production
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Thu, 30 Oct 2025 11:00:44 -0500
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R-A102925-01 Planned Maintenance Outage - Retail
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Wed, 29 Oct 2025 11:23:19 -0500
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M-A100925-02 Live production two-hour test for RTC+B closed-loop frequency control on October 30, 2025 between 10:00 am-13:00 pm
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Wed, 29 Oct 2025 08:20:05 -0500
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M-A102825-01 Planned system maintenance with impacted services
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Tue, 28 Oct 2025 11:22:06 -0500
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M-B102725-01 Planned system maintenance with impacted services
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Mon, 27 Oct 2025 10:56:55 -0500
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M-A102425-01 Aggregate Distributed Energy Resource (ADER) Pilot Project: Adjustments to Limits of Participation
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Fri, 24 Oct 2025 10:00:56 -0500
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M-A102325-01 Joint RTCBTF/TWG Workshop for RTC+B Closed-Loop LFC Testing, October 27, 2025 1:00 - 3:00 PM (WebEx only)
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Thu, 23 Oct 2025 15:37:53 -0500
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M-B100825-02 Partial Implementation Details of PGRR115, Related to NPRR1234, Interconnection Requirements for Large Loads and Modeling Standards for Loads 25 MW or Greater
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Thu, 23 Oct 2025 10:09:01 -0500
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M-B102225-01 Notice of Disclosure of Protected Information and ERCOT Critical Energy Infrastructure Information
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Wed, 22 Oct 2025 15:01:08 -0500
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M-A102225-01 Outage Submission Considerations Due to the Addition of Single-Model Representations of Energy Storage Resources to the Current Production Outage Scheduler Prior to RTC+B Go-Live
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Wed, 22 Oct 2025 14:05:58 -0500
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M-A100325-03 Implementation of Market-facing changes for October 23, 2025
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Tue, 21 Oct 2025 14:34:56 -0500
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M-A102125-01 Virtual question and answer (Q&A) sessions to assist Resource Entities (REs) and Transmission Service Providers (TSPs) with submitting Winter 2025-2026 Declaration of Weather Preparedness (DoWP) documents
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Tue, 21 Oct 2025 09:03:06 -0500
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M-A101725-01 Planned Maintenance Outage - Retail
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Fri, 17 Oct 2025 11:22:12 -0500
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M-B101525-01 Price Correction Due to Incorrect SCED Solution
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Wed, 15 Oct 2025 16:58:42 -0500
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M-A101525-01 Request for data concerning Demand Response capabilities - Q3 2025
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Wed, 15 Oct 2025 16:45:31 -0500
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M-A092225-02 Reminder of RMR-MRA-C4C Workshop on October 17, 2025
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Wed, 15 Oct 2025 10:04:30 -0500
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M-C101325-01 Price Correction due to SCED Failure
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Mon, 13 Oct 2025 16:09:03 -0500
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M-B101325-01 Price Correction due to SCED Failure
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Mon, 13 Oct 2025 16:05:38 -0500
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M-A101325-01 Upcoming training courses
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Mon, 13 Oct 2025 11:46:17 -0500
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M-A100325-02 Implementation of Market-facing changes for October 23, 2025
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Mon, 13 Oct 2025 11:32:43 -0500
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M-A100925-01 Live production two-hour test for RTC+B closed-loop frequency control on October 30, 2025 between 09:00-13:00
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Thu, 9 Oct 2025 16:17:21 -0500
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M-B100825-01 All new requests to energize a Large Load or a Load netted with a Generation Resource or ESR must be submitted to ERCOT via the appropriate form and receive approval from ERCOT.
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Wed, 8 Oct 2025 15:40:56 -0500
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M-B100725-01 Reliability Standard 2025-2026 Magnitude: Request for Information to Transmission Operators and Load Forecast Posting
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Tue, 7 Oct 2025 14:33:47 -0500
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M-A100725-01 ERCOT MOTE will be open for DST testing
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Tue, 7 Oct 2025 11:00:34 -0500
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R-A092225-04 Completion - Planned Maintenance Outage
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Sun, 5 Oct 2025 10:46:05 -0500
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M-A092624-04 The RTC+B - System Operations Test Environment (RTC+B SOTE) will be available to Transmission Service Providers (TSPs) starting October 6, 2025
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Fri, 3 Oct 2025 14:00:00 -0500
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R-A092225-03 Planned Maintenance Outage - Retail
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Fri, 3 Oct 2025 11:58:07 -0500
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M-A100325-01 Implementation of Market-facing changes for October 23, 2025
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Fri, 3 Oct 2025 11:57:31 -0500
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M-A100225-01 Overview of the ERCOT Weatherization and Inspection (W&I) program, highlighting Declaration of Weather Preparedness (DoWP) submissions and the inspection process.
ERCOT Client Services
Thu, 2 Oct 2025 09:01:58 -0500
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M-A091925-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 1 Oct 2025 09:57:53 -0500
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W-A100125-01 New Bandera County 138 kV (BANDER) Generic Transmission Constraint (GTC)
ERCOT Client Services
Wed, 1 Oct 2025 09:55:12 -0500
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M-B092225-03 Planned system maintenance with impacted services
ERCOT Client Services
Wed, 1 Oct 2025 08:45:45 -0500
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M-B093025-01 Resources maximizing ride-through capability by 12/31/25 for Nodal Operating Guide Revision Request (NOGRR) 245 must follow Planning Guide5.5(6)
ERCOT Client Services
Tue, 30 Sep 2025 16:59:53 -0500
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M-A091925-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 29 Sep 2025 13:12:20 -0500
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R-A092225-02 Planned Maintenance Outage - Retail
ERCOT Client Services
Mon, 29 Sep 2025 13:09:43 -0500
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M-A082025-03 ERCOT MOTE and PROD Digital Certificates transition to new Root CA
ERCOT Client Services
Mon, 29 Sep 2025 12:25:40 -0500
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M-B092225-02 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 29 Sep 2025 09:26:24 -0500
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M-A092525-01 Resource Entity (RE) and Transmission Service Provider (TSP) Winter Weather Preparedness Workshop in person or by Webex
ERCOT Client Services
Thu, 25 Sep 2025 08:07:44 -0500
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R-A090525-03 Planned Maintenance Outage - Retail
ERCOT Client Services
Thu, 25 Sep 2025 08:06:27 -0500
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M-A090225-02 REMINDER: 2025 Digital Certificate Audit Attestation (DCAA) Due by October 1, 2025
ERCOT Client Services
Wed, 24 Sep 2025 10:21:38 -0500
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M-A092325-01 Request for Energy Information Administration (EIA) Plant Name, Plant ID, and Generator IDs
ERCOT Client Services
Tue, 23 Sep 2025 16:00:41 -0500
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M-B092325-01 Posting of Aggregate Operating Reserve Demand Curve (AORDC) for Real-Time Co-optimization plus Batteries (RTC+B) implementation
ERCOT Client Services
Tue, 23 Sep 2025 13:45:58 -0500
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M-A090525-03 Implementation of Market-facing changes for September 25, 2025
ERCOT Client Services
Tue, 23 Sep 2025 08:56:17 -0500
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M-A092225-01 RMR-MRA-C4C Workshop on October 17, 2025
ERCOT Client Services
Mon, 22 Sep 2025 14:13:16 -0500
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M-B092225-01 Planned system maintenance with impacted services
ERCOT Client Services
Mon, 22 Sep 2025 13:11:54 -0500
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R-A092225-01 Planned Maintenance Outage - Retail
ERCOT Client Services
Mon, 22 Sep 2025 11:36:44 -0500
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M-B090225-02 Addition of Energy Storage Resources to List of Stand-Alone Generation Resources Subject to PURA Section 39.169 Net Metering Review
ERCOT Client Services
Fri, 19 Sep 2025 14:16:01 -0500
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M-A091925-01 Planned system maintenance with impacted services
ERCOT Client Services
Fri, 19 Sep 2025 10:13:07 -0500
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M-A091825-01 RTC+B market trials update for participation in Day-Ahead Market (DAM) by all Qualified Scheduling Entities (QSEs)
ERCOT Client Services
Thu, 18 Sep 2025 15:16:45 -0500
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M-B091825-01 Call for Participation - ERCOT Distribution Awareness Platform (EDAP)
ERCOT Client Services
Thu, 18 Sep 2025 14:41:33 -0500
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W-A091825-01 Update Generic Limits identification process for the Culberson Generic Transmission Constraint (GTC)
ERCOT Client Services
Thu, 18 Sep 2025 10:26:28 -0500
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M-091625-01 Save the Date for the 2026 ERCOT Innovation Summit
ERCOT Client Services
Tue, 16 Sep 2025 13:10:48 -0500
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M-A082025-02 ERCOT MOTE and PROD Digital Certificates transition to new Root CA.
ERCOT Client Services
Tue, 16 Sep 2025 08:57:00 -0500
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M-A090525-02 Implementation of Market-facing changes for September 25, 2025
ERCOT Client Services
Mon, 15 Sep 2025 10:51:16 -0500
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R-A090525-02 Planned Maintenance Outage - Retail
ERCOT Client Services
Mon, 15 Sep 2025 10:49:26 -0500
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M-071725-03 30 Day Notice of the September 18th ERCOT Technical Workshop on the Migration of ERCOT's Network Operations Model from the Common Information Model (CIM) Version 10 to 16
ERCOT Client Services
Thu, 11 Sep 2025 15:12:17 -0500
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M-D082925-03 Live production two-hour test for RTC+B closed-loop frequency control on September 11, 2025 between 10:00-13:00
ERCOT Client Services
Wed, 10 Sep 2025 09:02:04 -0500
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M-D082925-02 Support requirements and details leading up to the live production two-hour test for RTC+B closed-loop frequency control on September 11, 2025 between 10:00-13:00
ERCOT Client Services
Tue, 9 Sep 2025 15:09:56 -0500
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M-A010825-09 Reminder - September 15, 2025 deadline to submit information pertaining to extension and exemption requests from certain ride-through requirements required by the ERCOT Nodal Operating Guides (NOG)
ERCOT Client Services
Mon, 8 Sep 2025 13:44:44 -0500
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M-A090825-01 Release of NDCRC RTC+B changes to MOTE
ERCOT Client Services
Mon, 8 Sep 2025 11:40:11 -0500
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R-A082725-04 Completion - Planned Maintenance Outage
ERCOT Client Services
Sun, 7 Sep 2025 11:26:19 -0500
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M-A090525-01 Implementation of Market-facing changes for September 25, 2025
ERCOT Client Services
Fri, 5 Sep 2025 11:02:30 -0500
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R-A090525-01 Planned Maintenance Outage - Retail
ERCOT Client Services
Fri, 5 Sep 2025 10:12:11 -0500
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