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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 2025 Nov 2025 Dec 2025 Jan 2026 Feb 2026 Mar 2026
Date & Time Notice Type Status
Mar 11, 2026 12:10:41 AM No sudden loss of generation greater than 450 MW occurred on March 10, 2026. Operational Information Active
Mar 10, 2026 9:24:00 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Cancelled
Mar 10, 2026 6:03:21 PM ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Active
Mar 10, 2026 12:02:12 AM No sudden loss of generation greater than 450 MW occurred on March 9, 2026. Operational Information Active
Mar 9, 2026 7:17:54 AM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Cancelled
Mar 9, 2026 1:06:31 AM ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Active
Mar 9, 2026 12:04:50 AM No sudden loss of generation greater than 450 MW occurred on March 8, 2026. Operational Information Active
Mar 8, 2026 2:55:15 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Kinney County area. Operational Information Cancelled
Mar 8, 2026 12:16:36 PM ERCOT is taking manual action for an unsolved contingency in the Kinney County area. Operational Information Active
Mar 8, 2026 12:17:31 AM No sudden loss of generation greater than 450 MW occurred on March 7, 2026. Operational Information Active
Mar 7, 2026 12:04:06 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Cancelled
Mar 7, 2026 4:01:07 AM ERCOT is taking manual action for an unsolved contingency in the Taylor County area Operational Information Active
Mar 7, 2026 12:12:08 AM No sudden loss of generation greater than 450 MW occurred on March 6, 2026. Operational Information Active
Mar 6, 2026 12:22:28 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Cancelled
Mar 6, 2026 9:56:14 AM ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Active
Mar 6, 2026 6:34:53 AM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Cancelled
Mar 6, 2026 12:02:27 AM No sudden loss of generation greater than 450 MW occurred on March 5, 2026. Operational Information Active
Mar 5, 2026 11:54:30 PM ERCOT has cancelled the following notice: ERCOT has declared a Watch due to the failure of the SCED process, starting at 23:35 Watch Cancelled
Mar 5, 2026 11:44:47 PM ERCOT has declared a Watch due to the failure of the SCED process, starting at 23:35 Watch Active
Mar 5, 2026 11:41:24 PM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Mar 5, 2026 11:35:32 PM ERCOT Emergency Base Points are Enabled Operational Information Active
Mar 5, 2026 3:45:37 PM ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Active
Mar 5, 2026 2:54:02 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region. Operational Information Cancelled
Mar 5, 2026 10:36:39 AM ERCOT is taking manual action for an unsolved contingency in the West Texas region. Operational Information Active
Mar 5, 2026 9:30:05 AM At 3:30 PM on 3/05/2026, ERCOT will perform site failover of its Energy & Market Management Systems. During this time, market communications will be unavailable for about 20 minutes, and real-time communications will be unavailable for about 5 minutes. All systems should re-establish communications automatically. This event will be preceded by a "hot line" call shortly before beginning. Operational Information Active
Mar 5, 2026 12:00:03 AM No sudden loss of generation greater than 450 MW occurred on March 4, 2026. Operational Information Active
Mar 4, 2026 4:48:23 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency in the West Texas region. Operational Information Cancelled
Mar 4, 2026 12:03:02 AM No sudden loss of generation greater than 450 MW occurred on March 3, 2026. Operational Information Active
Mar 3, 2026 9:41:46 PM ERCOT is taking manual actions for an unsolved contingency in the West Texas region. Operational Information Active
Mar 3, 2026 7:10:43 PM At 19:10, All Non-Spin has been recalled. Operational Information Active
Mar 3, 2026 7:10:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-03-03 19:10:01, END_TIME: 2026-03-03 19:10:01, DURATION: 0 HRS 0 MINS; Operational Information
Mar 3, 2026 5:15:46 PM At 17:15 approximately 872 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 3, 2026 5:15:00 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 872.4, BEGIN_TIME: 2026-03-03 17:15:00, END_TIME: 2026-03-03 21:15:00, DURATION: 4 HRS 0 MINS; Operational Information
Mar 3, 2026 1:30:57 PM ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency in the West Texas region. Operational Information Cancelled
Mar 3, 2026 12:04:16 AM No sudden loss of generation greater than 450 MW occurred on March 2, 2026. Operational Information Active
Mar 2, 2026 10:09:00 PM ERCOT is taking manual actions for an unsolved contingency in the West Texas region. Operational Information Active
Mar 2, 2026 7:30:56 PM At 19:30, All Non-Spin has been recalled. Operational Information Active
Mar 2, 2026 7:30:00 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-03-02 19:30:00, END_TIME: 2026-03-02 19:30:00, DURATION: 0 HRS 0 MINS; Operational Information
Mar 2, 2026 7:12:12 PM At 19:10 approximately 742 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 2, 2026 7:10:38 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-03-02 19:10:38, END_TIME: 2026-03-02 19:10:38, DURATION: 0 HRS 0 MINS; Operational Information
Mar 2, 2026 5:36:06 PM At 17:35 approximately 1,553 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Mar 2, 2026 5:35:13 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1553.3, BEGIN_TIME: 2026-03-02 17:35:13, END_TIME: 2026-03-02 21:35:13, DURATION: 4 HRS 0 MINS; Operational Information
Mar 2, 2026 12:15:35 AM No sudden loss of generation greater than 450 MW occurred on March 1, 2026. Operational Information Active
Mar 1, 2026 11:57:04 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region. Operational Information Cancelled
Mar 1, 2026 9:07:16 PM ERCOT is taking manual action for an unsolved contingency in the West Texas region. Operational Information Active
Mar 1, 2026 12:02:25 AM No sudden loss of generation greater than 450 MW occurred on February 28, 2026. Operational Information Active