:M-E091322-01 Notification of Change of Generation Resource Designation (NCGRD) for Gregory Power Partners LLC (1 Message)
ARCHIVE: M-A042222-01 Implementation Details of NPRR1093, NPRR1101, OBDRR032, OBDRR033, and OBDRR035 (1 Message)
February 17, 2020 Upcoming deadline for annual NOIE unregistered DG report (1 Message)
February 27, 2020 Alternate toll-free number added for the ERCOT Help Desk (1 Message)
Implementation Details of NPRR902 Implementation Details of NPRR902 and New Information on Digital Certificate Role Assignment (1 Message)
Implementation of system change to account for dynamic voltage stability limits for the Panhandle Generic Transmission Constraint (1 Message)
M- A050322-02 Final - Completion of the Mass Transition (1 Message)
M- A070722-02 Final - Completion of the Mass Transition (1 Message)
M- A071822-02 TCEQ Enforcement Discretion Ending at 9 p.m. Today (1 Message)
M-A010322-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A010422-01 Implementation Details of NPRR1107 (1 Message)
M-A010518-01 Implementation of market-facing changes for February 2018 (1 Message)
M-A010518-02 Reminder - Implementation of market-facing changes for February 2018 (1 Message)
M-A010518-03 Reminder - Implementation of market-facing changes for February 2018 (1 Message)
M-A010522-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A010623-01 Planned system maintenance with impacted services (1 Message)
M-A010623-02 Planned system maintenance with impacted services (1 Message)
M-A010623-03 Planned system maintenance with impacted services (1 Message)
M-A010720-01 2021 Long-term Forecast posted (1 Message)
M-A010824 Planned system maintenance with impacted services (1 Message)
M-A010824-02 Planned system maintenance with impacted services (1 Message)
M-A010824-03 Planned system maintenance with impacted services (1 Message)
M-A010915-01 ERCOT WAN Access (1 Message)
M-A010923-01 Implementation of Market-facing changes for February 2023 (1 Message)
M-A010923-02 Implementation of Market-facing changes for February 2023 (1 Message)
M-A010923-03 Implementation of Market-facing changes for February 2023 (1 Message)
M-A011024-01 TEXAS SET 5.0 Orientation (WEBEX ONLY) (1 Message)
M-A011121-01 ERCOT to decommission old Market Information System (MIS) Portlet Site (1 Message)
M-A011121-02 Reminder - ERCOT to decommission old Market Information System (MIS) Portlet Site (1 Message)
M-A011121-03 Reminder - ERCOT to decommission old Market Information System (MIS) Portlet Site (1 Message)
M-A011121-04 Decommission of the Market Information System Portlet Site date changed to February 24, 2021 (1 Message)
M-A011224-01 Implementation Details of NPRR1092 (1 Message)
M-A011315-01 Implementation of SCR772, New Extract for Five Minute Interval Settlement Data (1 Message)
M-A011315-02 Reminder - Implementation of SCR772, New Extract for Five Minute Interval Settlement Data (1 Message)
M-A011315-03 Reminder - Implementation of SCR772, New Extract for Five Minute Interval Settlement Data (1 Message)
M-A011321-01 Notice of workshop to discuss possible Protocol and OBD Changes related to the Annual Demand Response Survey process (1 Message)
M-A011322-01 ERCOT's MOTE and RMTE External Web Services Secure Sockets Layer certificate renewal (1 Message)
M-A011421-02 UPDATED - ERCOT’s External Web Services Secure Sockets Layer certificate renewal (1 Message)
M-A011421-03 Reminder - ERCOT’s External Web Services Secure Sockets Layer certificate renewal update (1 Message)
M-A011516-01 Final Settlement values added to monthly demand and energy reports (1 Message)
M-A011519-01 Planned system maintenance with impacted services (1 Message)
M-A011618-01 Notice of enforcement discretion on air permitting requirements during a power emergency (1 Message)
M-A011618-02 TCEQ Notice of enforcement discretion on air permitting requirements during a power emergency (1 Message)
M-A011620-01 Planned system maintenance with impacted services (1 Message)
M-A011717-01 Planned Maintenance Outage (1 Message)
M-A011723-01 Posting of the proposed winter Load Shed Table (1 Message)
M-A011818-01 Unplanned Outage (1 Message)
M-A011818-02 Update Unplanned Outage (1 Message)
M-A011822-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A012017-01 Implementation Details of NPRR790 (1 Message)
M-A012022-01 Planned system maintenance with impacted services (1 Message)
M-A012119-01 Error detected in certain Mitigated Offer Cap calculations (1 Message)
M-A012121-01 ERCOT 2021 Remote Black Start Testing (1 Message)
M-A012122-01 Implementation Details of NPRR1005, NOGRR210 and RRGRR025 (1 Message)
M-A012216-01 Planned system maintenance with impacted services (1 Message)
M-A012216-02 Completion - Planned system maintenance with impacted services (1 Message)
M-A012221-01 Correction of software error impacting calculation of certain transmission limits in the DAM (1 Message)
M-A012423-01 CSAPR NOx Season Allowance Workshop (1 Message)
M-A012424-01 Notice of ERCOT Reliability Monitor Compliance Audit (1 Message)
M-A012516-01 Unplanned Outage of ERCOT system (1 Message)
M-A012517-01 Web-Ex Training Workshop on the New NDCRC Reactive Test Form (2 Messages)
M-A012523-01 ERCOT's External Web Services Secure Sockets Layer certificate renewal (1 Message)
M-A012523-02 ERCOT's External Web Services Secure Sockets Layer certificate renewal (1 Message)
M-A012524-01 40th Annual Operator Training Seminar (OTS) and Energy Emergency Alert (EEA) Load Shed Drill (1 Message)
M-A012621-01 Planned Transmission Outage Restrictions for Summer (1 Message)
M-A012623-01 Implementation Details of NOGRR243 (1 Message)
M-A012924-01 ERCOT MOTE will be open for DST testing (1 Message)
M-A013019-01 Outage – MOTE and RMTE (1 Message)
M-A013117-01 Planned Maintenance Outage (1 Message)
M-A014421-01 Notice of issue with 7-Day Event Trigger Report posting of Real-Time Locational Marginal Price exceeding 50 times the Fuel Index Price (1 Message)
M-A014421-02 Notice of issue resolution regarding 7-Day Event Trigger Posting of Real-Time Locational Marginal Price exceeding 50 times the Fuel Index Price (1 Message)
M-A020116-01 Operations Updates made to Resource Interconnection Handbook (1 Message)
M-A020121-01 Market Management and Outage Scheduler Systems/Applications Technical Refresh (1 Message)
M-A020121-02 Market Management and Outage Scheduler (MMS/OS) Systems/Applications Outage during MMS/OS Tech Refresh Project Production Cutover (2 Messages)
M-A020121-03 Update - Suspension of Market Management and Outage Scheduler Systems/Applications Technical Refresh (1 Message)
M-A020123-01 ERCOT releases new 6-day forecast to Supply and Demand dashboard (1 Message)
M-A020124-01 Decommissioning Legacy URL for Market Notifications (1 Message)
M-A020124-02 Decommissioning Legacy URL for Market Notifications (1 Message)
M-A020124-03 Final Reminder - Decommissioning Legacy URL for Market Notifications (1 Message)
M-A020222-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A020223-01 Planned system maintenance with impacted services (1 Message)
M-A020224-02 ERCOT's External Web Services Secure Sockets Layer certificate renewal (2 Messages)
M-A020314-02 Reminder - Implementation of format changes to market reports (1 Message)
M-A020314-03 Reminder - Implementation of format changes to market reports (1 Message)
M-A020314-04 Update – Roll back of change to the DC Tie Outage Report (OPG-103-ER) (1 Message)
M-A020319-01 Unplanned System Outage (1 Message)
M-A020320-01 Planned Transmission Outage Restrictions for Summer 2020 (1 Message)
M-A020323-01 Changes to Wind and Solar Forecast Reports (1 Message)
M-A020416-01 Proposal to retire Monticello Mining Special Protection System (1 Message)
M-A020416-02 Update - Proposal to retire Monticello Mining Special Protection System (1 Message)
M-A020422-01 Planned system maintenance with impacted services (1 Message)
M-A020524-01 Potential Price Corrections - Incorrect Line, Series Device, and Transformer Ratings Impacting the Real-Time and Day-Ahead Markets (1 Message)
M-A020524-02 Results of Price Impact Analysis - Incorrect Line, Series Device, and Transformer Ratings Impacting the Real-Time and Day-Ahead Markets (1 Message)
M-A020620-01 Change in Indicative Real-Time Dispatch (RTD) to use persistence for all intervals (1 Message)
M-A020722-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A020824-01 ERCOT will host workshops to discuss a standalone Dispatchable Reliability Reserve Service (DRRS) (1 Message)
M-A021021-01 Informational details related to NPRR 902 - ERCOT Critical Energy Infrastructure Information (1 Message)
M-A021021-02 Implementation Details of NPRR902 (1 Message)
M-A021021-05 NPRR902, ERCOT Critical Energy Infrastructure Information - New Information on Digital Certificate Role Assignment (1 Message)
M-A021021-06 Update - Partial implementation details for NPRR902 (1 Message)
M-A021021-07 Implementation Details for NPRR902 (1 Message)
M-A021021-08 NPRR902, ERCOT Critical Energy Infrastructure Information - Implementation of New Digital Certificate Role ICE_M_VIEW_TOECEII - Market Participant Identity Management (MPIM) (1 Message)
M-A021023-01 Missed posting of the 3-Day Highest Price AS Offer Selected report (1 Message)
M-A021224-01 Grid Conditions meter to be updated on ERCOT.com website and ERCOT Mobile App February 20, 2024 (1 Message)
M-A021224-02 Grid Conditions meter to be updated on ERCOT.com website and ERCOT Mobile App February 20, 2024 (1 Message)
M-A021321-01 Notice of Railroad Commission of Texas Action on Operation of Gas Utility Systems (1 Message)
M-A021324-01 Partial Implementation Details of NPRR1184, Update to Procedures for Managing Interest on Cash Collateral (1 Message)
M-A021521-01 The February 17, 2021 Network Operations Model Production Database Load has been canceled (1 Message)
M-A021617-01 Planned system maintenance with impacted services (1 Message)
M-A021617-02 Outage Planned system maintenance with impacted services extended outage (1 Message)
M-A021618-01 Variation discovered with Day-Ahead Market (DAM) Hub Bus modeling affecting DAM Hub Settlement Point Prices (SPPs) (1 Message)
M-A021618-02 Update - Variation discovered with Day-Ahead Market (DAM) Hub Bus modeling affecting DAM Hub Settlement Point Prices (SPPs) (1 Message)
M-A021622-01 Microsoft Ending Support of Internet Explorer (1 Message)
M-A021623-01 ERCOT manual action for Day-Ahead Market (DAM) Operating Day (OD) February 16, 2023 (1 Message)
M-A021721-01 Proposal to Retire Culberson Loop RAS (1 Message)
M-A021721-02 Retirement of Culberson Loop Remedial Action Scheme (1 Message)
M-A021722-01 ERCOT Ending Support of Internet Explorer on MMSUI and OSUI applications (1 Message)
M-A021722-02 In preparation for End-of-Life (EOL) of Internet Explorer (IE), Market Participants may voluntarily test the Market Management System User Interface (MMSUI) and the Outage Scheduler User Interface (OSUI) applications with Chrome or Edge browsers (1 Message)
M-A021722-03 Update - MOTE testing start delayed for the MMSUI and OSUI applications with Chrome or Edge Browsers (1 Message)
M-A021722-04 ERCOT Ending Support of Internet Explorer on MMSUI and OSUI applications (1 Message)
M-A021722-05 Reminder - ERCOT Ending Support of Internet Explorer (IE) on Market Management System User Interface (MMSUI) and Outage Scheduler (OSUI) applications (1 Message)
M-A021821-01 Exceptional Fuel Costs submitted for nine Resources on 2/11/2021 (1 Message)
M-A021920-01 Implementation details of NPRR978 (1 Message)
M-A021920-02 Partial implementation details of NPRR978 (1 Message)
M-A021921-01 Exceptional Fuel Costs submitted for multiple Resources between February 12 and 16, 2021 (1 Message)
M-A021921-02 Exceptional Fuel Costs submitted for multiple Resources between February 17 and 20, 2021 (1 Message)
M-A022015-01 Implementation of market-facing changes for March 2015 (1 Message)
M-A022015-02 Reminder - Implementation of market-facing changes for March 2015 (1 Message)
M-A022015-03 Reminder - Implementation of market-facing changes for March 2015 (1 Message)
M-A022024-01 Posting of Load Shed Table for the Winter season (1 Message)
M-A022120-01 ERCOT Market Payment Processes Update Workshop (1 Message)
M-A022120-02 ERCOT Market Payment Processes Update Workshop Feedback and Account Consolidation (1 Message)
M-A022122-01 Unplanned system maintenance with impacted services (1 Message)
M-A022123-01 Potential Price Correction - Generic Transmission Constraint (GTC) Calculation Error Impacting Real-Time Market (RTM) (1 Message)
M-A022123-02 ERCOT Board approval of Real-Time Market (RTM) price corrections for Operating Day (OD) February 5, 2023 (1 Message)
M-A022123-03 Board-Approved Price Correction (Transformer Rating Issue) - Real-Time Market (RTM) Resettlement for Operating Day February 05, 2023 (1 Message)
M-A022221-01 ERCOT is temporarily deviating from Protocol deadlines and timing related to settlements, collateral obligations, and Invoice payments (1 Message)
M-A022221-02 ERCOT has ended its temporary deviation from Protocol deadlines and timing related to settlements, collateral obligations, and invoice payments (1 Message)
M-A022223-01 ERCOT's NAESB Retail Market Test Environment (RMTE) Secure Sockets Layer certificate renewal (1 Message)
M-A022323-01 Updated data specifications and mapping document for NERC Reliability Standards IRO-010-3 and TOP-003-4 (1 Message)
M-A022417-01 Implementation Details of NPRR649 (1 Message)
M-A022522-01 Posting of the 2021 High Impact Transmission Elements (HITE) (1 Message)
M-A022723-01 Implementation of Application changes for March 2023 (1 Message)
M-A022723-02 Implementation of Application changes for March 2023 (1 Message)
M-A022723-03 Implementation of Application changes for March 2023 (1 Message)
M-A022724-01 March 4, 2024 start date of competitive retail service in the Lubbock Power & Light service area and Notice of Declaratory Order issued in Public Utility Commission of Texas (PUC) Docket No. 56122 (1 Message)
M-A022822-01 Exceptional Fuel Costs submitted for several Resources (1 Message)
M-A022824-01 Posting of the 2023 High Impact Transmission Elements (HITE) (1 Message)
M-A022924-01 Partial Implementation Details of NOGRR247, Change UFLS Stages and Load Relief Amounts (1 Message)
M-A030119-01 Planned Maintenance on the Market Operations Test Environment (MOTE) and Retail Market Test Environment (RMTE) (1 Message)
M-A030121-01 Notice of Intended Disclosure of Protected Information (1 Message)
M-A030124-01 Implementation Details of FAC-014-3 R5 (1 Message)
M-A030220-01 Implementation details of NPRR928 (1 Message)
M-A030220-02 Reminder: Implementation details of NPRR928 (1 Message)
M-A030223-01 Workshop on ERCOT's Proposed Reliability Standard Framework (1 Message)
M-A030323-01 Planned system maintenance with impacted services (1 Message)
M-A030323-02 Planned system maintenance with impacted services (1 Message)
M-A030323-03 Planned system maintenance with impacted services (1 Message)
M-A030416-01 Upcoming Outage Scheduler training sessions (1 Message)
M-A030520-01 ERCOT AMS/IDR Meter Workshop (1 Message)
M-A030524-01 Planned system maintenance with impacted services (1 Message)
M-A030524-02 Planned system maintenance with impacted services (1 Message)
M-A030524-03 Planned system maintenance with impacted services (1 Message)
M-A030724-01 Dashboards affected by beginning of Daylight Saving Time (DST) March 10, 2024 (1 Message)
M-A030824-01 Planned CRR system maintenance (1 Message)
M-A030918-01 Certain transformers being secured in the Day-Ahead Market (DAM) and Congestion Revenue Right (CRR) Auctions (1 Message)
M-A030921-01 Postponement of SARA release date to March 25, 2021 (1 Message)
M-A031020-01 Planned system maintenance with impacted services (1 Message)
M-A031020-02 Reminder - Planned system maintenance with impacted services (1 Message)
M-A031122-01 Implementation details of NOGRR219 (1 Message)
M-A031221-01 Disclosure of Generation Resource and Energy Storage Resource Outage Data for February 10-19, 2021 (1 Message)
M-A031323-01 Review of Submission of Plant Verification Reports (1 Message)
M-A031422-01 ERCOT.com URLs changing for Texas Renewables (1 Message)
M-A031422-02 Reminder - ERCOT.com URLs changing for Texas Renewables (1 Message)
M-A031422-03 Reminder - ERCOT.com URLs changing for Texas Renewables (1 Message)
M-A031423-01 ECRS Market Readiness and Qualification Workshop (1 Message)
M-A031524-01 GTC Communication Documents (1 Message)
M-A031618-01 Resolution of ADR Proceedings between ERCOT and Luminant Energy Company, LLC (ADR No. 2017-LEC-01) (1 Message)
M-A031621-01 Opening of ERCOT MOTE for testing of ESR submission changes related to NPRR986 (1 Message)
M-A031714-01 Release for Production fix to Reports for NPRR240, Proxy Energy Offer Curve and NPRR476 Market Submitted Energy Offer Curves Disclosures (1 Message)
M-A031714-02 Supplemental Reports posted for NPRR240, Proxy Energy Offer Curve and NPRR476 Market Submitted Energy Offer Curves Disclosures (1 Message)
M-A031722-01 Posting of Spring 2022 Seasonal Assessment of Resource Adequacy (1 Message)
M-A031723-01 Upcoming training courses (1 Message)
M-A031814-01Collin Switch SPS Temporarily Disabled (1 Message)
M-A031815-01 Implementation details of NPRR612 (1 Message)
M-A031815-02 Implementation details of NPRR612 - Clarification (1 Message)
M-A031821-01 Application for Critical Load Serving Electric Generation and Cogeneration  (1 Message)
M-A031824-01 Implementation Details of NOGRR249 (1 Message)
M-A031921-01 Implementation details of NPRR998 and NOGRR213 (1 Message)
M-A031924-01 Implementation Details of NPRR1040 (1 Message)
M-A032014-01 ERCOT Operator Certification Testing (1 Message)
M-A032023-01 Posting of Load Shed Table for the summer Season (1 Message)
M-A032117-02 Additional Implementation Details of NPRR792, PGRR051, and NOGRR164 (1 Message)
M-A032123-01 Workshop to discuss findings from RRS-PFR Limits study (1 Message)
M-A032217-01 Changes to EEA Level 3 Threshold (1 Message)
M-A032219-01 Implementation of NPRR817 (1 Message)
M-A032224-01 Planned system maintenance with impacted services (1 Message)
M-A032315-01 Market Management and Outage Scheduler Systems/Applications Outage during MMS/OS Tech Refresh Project Production Cutover (1 Message)
M-A032320-01 Implementation Details of NPRR929 (1 Message)
M-A032420-01 Implementation Details of SCR 802 (1 Message)
M-A032423-01 Update to the generic limits for the Bearkat (BEARKT) Generic Transmission Constraint (GTC) (1 Message)
M-A032515-01 Proposed Disabling of Monticello B – SPS #2 (1 Message)
M-A032515-02 Update - Proposed Disabling of Monticello B – SPS #2 (1 Message)
M-A032516-01 Planned system maintenance with impacted services (1 Message)
M-A032615-01 Implementation details for NOGRR140 (1 Message)
M-A032620-01 Re-evaluation of maximum Shadow Price for an irresolvable constraint in SCED (1 Message)
M-A032720-01 Proposal to Modify Wirtz Remedial Action Scheme (1 Message)
M-A032720-02 Update - Proposal to Modify Wirtz Remedial Action Scheme (1 Message)
M-A032720-03 Update - Proposal to modify Wirtz Remedial Action Scheme (1 Message)
M-A032720-04 Update - Proposal to modify Wirtz Remedial Action Scheme (1 Message)
M-A032720-05 Proposal to Retire Wirtz Remedial Action Scheme (RAS) (1 Message)
M-A032720-06 Retirement of Wirtz Remedial Action Scheme (RAS) (1 Message)
M-A032723-01 Timely Updating Outage Scheduler (1 Message)
M-A032824-01 Planned system maintenance with impacted services (1 Message)
M-A032824-02 Planned system maintenance with impacted services (1 Message)
M-A032924-01 Resource Entity IROL Communication (1 Message)
M-A033021-01 Implementation of PUCT order directing ERCOT to apply failure-to-provide Settlement treatment to QSEs that failed on Ancillary Service Supply Responsibilities (1 Message)
M-A040122-01 Submission of Unredacted EOPs to ERCOT by Entities Subject to Newly Amended 16 TAC § 25.53 (1 Message)
M-A040122-02 Additional Information and Clarification Regarding Submission of Unredacted EOPs to ERCOT by Entities Subject to Newly Amended 16 TAC 25.53 (1 Message)
M-A040323-01 ECRS Market Qualification Deadline (1 Message)
M-A040419-01 Maintenance on Market Operations Test Environment and Retail Market Test Environment (1 Message)
M-A040422-01 Issue with the Three-Part Supply Offers used in the Reliability Unit Commitment (RUC) Optimization (1 Message)
M-A040524-01 Implementation of changes for April 25, 2024 (1 Message)
M-A040524-02 Implementation of changes for April 25, 2024 (1 Message)
M-A040524-03 Implementation of changes for April 25, 2024 (1 Message)
M-A040621-01 Retail Release May 2021 (1 Message)
M-A040621-02 Retail Release May 2021 (1 Message)
M-A040723-02 Real-Time Market (RTM) Resettlement for Operating Days February 14-15, 2021, associated with the Resolution of Alternative Dispute Resolution (ADR) No. 2021-AUS-01 (1 Message)
M-A040723-03 Real-Time Market (RTM) Resettlement for Operating Day February 14-15, 2021, associated with the Resolution of Alternative Dispute Resolution (ADR) No. 2021-AUS-01 (1 Message)
M-A040924-01 Resolution of Return of Settlement Funds (RSF) proceeding filed by NextEra Energy Marketing LLC (SQ31) QSE on Behalf of Inertia Wind, LLC (1 Message)
M-A040924-02 Real-Time Market (RTM) Resettlement for Operating Days (ODs) November 2, 5-7, 2022 for Resolution of Return of Settlement Funds (RSF) (1 Message)
M-A041019-01 Update to Market Submission Validation Rules (1 Message)
M-A041020-01 Test of ERCOT Energy Emergency Alert (EEA) System (1 Message)
M-A041024-01 Resource Entity IROL Communication (1 Message)
M-A041321-01 Revised 2021 TDSP Transmission Loss Factors - Methodology has been posted (1 Message)
M-A041524-01 Updated NPRR1186 Specification Documents posted and MOTE Testing (1 Message)
M-A041723-01 Notice of ERCOT Reliability Monitor Compliance Audit (1 Message)
M-A041822-01 Posting of Updated Load Shed Table (1 Message)
M-A041824-01 ERCOT will migrate core Market Management Systems and Outage Scheduler to a Linux platform on April 29, 2024 (1 Message)
M-A041917-01 Implementation of Revised ERCOT Fast Responding Regulation Service (FRRS) Parameters (1 Message)
M-A041919-01 Fraudulent email messages appearing to come from ERCOT (1 Message)
M-A042021-01 Incorrect Parameters in Market Management System on Operating Days March 24 to 26, 2021 (1 Message)
M-A042114-01 Implementation details for NPRR568, NPRR591, and NPRR598 (1 Message)
M-A042114-02 Dashboard and display details for Implementation of NPRR568, NPRR591, and NPRR598 (1 Message)
M-A042114-03 Changes to NP6-324-CD, Real-Time Reserve Prices Based on ORDC for 15-Minute Settlement Interval in support of NPRR568, NPRR591, and NPRR598 (1 Message)
M-A042117-01 Planned system maintenance with impacted services (1 Message)
M-A042122-01 Request for Provisional Qualification of Load Resources (1 Message)