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Public Notices

This section contains public market notifications required by protocols as well as other market messages ERCOT may post for market transparency. ERCOT began archiving public notices November 3, 2011.

Oct 2024 Nov 2024 Dec 2024 Jan 2025 Feb 2025 Mar 2025
Date & Time Notice Type Status
Mar 3, 2025 8:46:42 AM The Daily RSASM for 03/03/2025 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 3, 2025 12:02:57 AM No sudden loss of generation greater than 450 MW occurred on March 2, 2025. Operational Information Active
Mar 2, 2025 10:25:23 PM At 22:25, All Non-Spin has been recalled. Operational Information Active
Mar 2, 2025 10:25:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-03-02 22:25:01, END_TIME: 2025-03-02 22:25:01, DURATION: 0 Hrs 0 Mins.; Operational Information
Mar 2, 2025 10:15:58 PM At 22:15, 427 MW Non-Spin has been recalled. Operational Information Active
Mar 2, 2025 10:15:00 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 823.5, BEGIN_TIME: 2025-03-02 22:15:00, END_TIME: 2025-03-02 23:59:00, DURATION: 1 Hrs 44 Mins.; Operational Information
Mar 2, 2025 10:06:29 PM At 22:05, 412 MW Non-Spin has been recalled. Operational Information Active
Mar 2, 2025 10:05:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1250.4, BEGIN_TIME: 2025-03-02 22:05:01, END_TIME: 2025-03-02 23:59:00, DURATION: 1 Hrs 53 Mins.; Operational Information
Mar 2, 2025 9:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1712.2, BEGIN_TIME: 2025-03-02 22:00:00, END_TIME: 2025-03-02 23:59:00, DURATION: 1 Hrs 59 Mins.; Operational Information
Mar 2, 2025 8:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 2021.0, BEGIN_TIME: 2025-03-02 21:00:00, END_TIME: 2025-03-02 23:59:00, DURATION: 2 Hrs 59 Mins.; Operational Information
Mar 2, 2025 7:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 2020.5, BEGIN_TIME: 2025-03-02 20:00:00, END_TIME: 2025-03-02 23:59:00, DURATION: 3 Hrs 59 Mins.; Operational Information
Mar 2, 2025 6:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1856.8, BEGIN_TIME: 2025-03-02 19:00:00, END_TIME: 2025-03-02 23:59:00, DURATION: 4 Hrs 59 Mins.; Operational Information
Mar 2, 2025 5:54:17 PM At 17:53 approximately 1,779 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 2, 2025 5:53:05 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1779.1, BEGIN_TIME: 2025-03-02 17:53:05, END_TIME: 2025-03-02 23:59:00, DURATION: 6 Hrs 5 Mins.; Operational Information
Mar 2, 2025 5:44:22 PM At 17:43 approximately 1,408 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 2, 2025 5:43:13 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1408.0, BEGIN_TIME: 2025-03-02 17:43:13, END_TIME: 2025-03-02 23:59:00, DURATION: 6 Hrs 15 Mins.; Operational Information
Mar 2, 2025 8:46:41 AM The Daily RSASM for 03/02/2025 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 2, 2025 7:23:13 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 06:45 for operating day 03/02/25 this is for REGUP HE18 1.8MW HE19 3.4MW and HE22 3.7MW. Operational Instruction Cancelled
Mar 2, 2025 6:19:35 AM ERCOT will execute a SASM at 06:45 for operating day 03/02/25 this is for REGUP HE18 1.8MW HE19 3.4MW and HE22 3.7MW. Operational Instruction Active
Mar 2, 2025 12:00:45 AM On March 1, 2025, a sudden loss of generation occurred at 16:24 totaling 563 MW. Frequency declined to 59.931 Hz, ERCOT load was 49,252 MW. Operational Information Active
Mar 1, 2025 6:20:50 PM At 18:20, All Non-Spin has been recalled. Operational Information Active
Mar 1, 2025 6:20:10 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-03-01 18:20:10, END_TIME: 2025-03-01 18:20:10, DURATION: 0 Hrs 0 Mins.; Operational Information
Mar 1, 2025 6:13:58 PM At 18:12, 913 MW Non-Spin has been recalled. Operational Information Active
Mar 1, 2025 6:10:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 462.2, BEGIN_TIME: 2025-03-01 18:10:01, END_TIME: 2025-03-01 23:59:00, DURATION: 5 Hrs 48 Mins.; Operational Information
Mar 1, 2025 5:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1375.0, BEGIN_TIME: 2025-03-01 18:00:00, END_TIME: 2025-03-01 23:59:00, DURATION: 5 Hrs 59 Mins.; Operational Information
Mar 1, 2025 4:58:50 PM At 16:57 approximately 1231 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 1, 2025 4:57:00 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1231.2, BEGIN_TIME: 2025-03-01 16:57:00, END_TIME: 2025-03-01 23:59:00, DURATION: 7 Hrs 2 Mins.; Operational Information
Mar 1, 2025 8:46:31 AM The Daily RSASM for 03/01/2025 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 1, 2025 12:00:18 AM No sudden loss of generation greater than 450 MW occurred on February 28, 2025. Operational Information Active