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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. Notices are categorized by types and can be filtered by selecting the desired category. ERCOT began archiving public notices November 3, 2011.

Jul 2023 Aug 2023 Sep 2023 Oct 2023 Nov 2023 Dec 2023
Date & Time Notice Type Status
Dec 8, 2023 8:49:06 AM The Daily RSASM for Friday, December 8, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 8, 2023 3:46:26 AM ERCOT has cancelled the following notice: ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Cancelled
Dec 8, 2023 3:45:06 AM ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. Operational Information Active
Dec 8, 2023 12:00:31 AM No sudden loss of generation greater than 450 MW occurred on December 7, 2023. Operational Information Active
Dec 7, 2023 3:36:49 PM ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
Dec 7, 2023 8:47:44 AM The Daily RSASM for Thursday, December 7, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 7, 2023 12:00:21 AM No sudden loss of generation greater than 450 MW occurred on December 6, 2023. Operational Information Active
Dec 6, 2023 3:02:05 PM ERCOT has cancelled the following notice: ERCOT issued an OCN for PANHANDLE IROL due to planned outage and topology change. OCN Cancelled
Dec 6, 2023 9:37:18 AM ERCOT issued an OCN for PANHANDLE IROL due to planned outage and topology change. OCN Active
Dec 6, 2023 8:51:53 AM The Daily RSASM for Wednesday, December 6, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Dec 6, 2023 12:00:31 AM No sudden loss of generation greater than 450 MW occurred on December 5, 2023. Operational Information Active
Dec 5, 2023 9:00:23 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 07:45 for operating day 12/05/23 for HE10 RRS 4.5 MW, HE11 RRS 4.1 MW, HE12 RRS 3.6 MW, HE13, 15 RRS 3.5 MW, HE14 RRS 3.7 MW, HE16 RRS 3.3 MW. Operational Information Cancelled
Dec 5, 2023 8:51:04 AM The Daily RSASM for Tuesday, December 5, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Dec 5, 2023 7:12:13 AM ERCOT will execute a SASM at 07:45 for operating day 12/05/23 for HE10 RRS 4.5 MW, HE11 RRS 4.1 MW, HE12 RRS 3.6 MW, HE13, 15 RRS 3.5 MW, HE14 RRS 3.7 MW, HE16 RRS 3.3 MW. Operational Information Active
Dec 5, 2023 3:00:24 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions for an Unsolved Contingency in the San Angelo area. Operational Information Cancelled
Dec 5, 2023 12:04:10 AM No sudden loss of generation greater than 450 MW occurred on December 4, 2023. Operational Information Active
Dec 4, 2023 11:31:41 PM ERCOT is taking manual actions for an Unsolved Contingency in the San Angelo area. Operational Information Active
Dec 4, 2023 8:49:37 AM The Daily RSASM for Monday, December 4, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Dec 4, 2023 12:10:22 AM No sudden loss of generation greater than 450 MW occurred on December 3, 2023. Operational Information Active
Dec 3, 2023 8:49:19 AM The Daily RSASM for Sunday, December 3, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 3, 2023 8:33:10 AM ERCOT has cancelled the following notice: At 2004, ERCOT issued an OCN for PANHANDLE IROL due to planned outage and topology change. OCN Cancelled
Dec 3, 2023 12:02:26 AM No sudden loss of generation greater than 450 MW occurred on December 2, 2023. Operational Information Active
Dec 2, 2023 8:47:56 AM The Daily RSASM for Saturday, December 2, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 2, 2023 12:52:08 AM No sudden loss of generation greater than 450 MW occurred on December 1, 2023. Operational Information Active
Dec 1, 2023 3:02:19 PM ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K7 until 12/1/2023 15:00. Operational Information Cancelled
Dec 1, 2023 9:12:12 AM The Space Weather Prediction Center has issued a GMD Warning of K7 until 12/1/2023 15:00. Operational Information Active
Dec 1, 2023 9:02:13 AM ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K7 until 12/1/2023 09:00. Operational Information Cancelled
Dec 1, 2023 9:02:03 AM ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-7 until 12/1/2023 09:00. Advisory Cancelled
Dec 1, 2023 8:49:22 AM The Daily RSASM for Friday, December 1, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 1, 2023 5:43:19 AM Advisory issued for a geomagnetic disturbance of K-7 until 12/1/2023 09:00. Advisory Active
Dec 1, 2023 5:35:42 AM The Space Weather Prediction Center has issued a GMD Warning of K7 until 12/1/2023 09:00. Operational Information Active
Dec 1, 2023 12:53:46 AM No sudden loss of generation greater than 450 MW occurred on November 30, 2023. Operational Information Active
Dec 1, 2023 12:24:42 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [2345] for operating day [12/01/23] for REGUP HE0700 and HE1800 in the amount of 9MWs, and HE0800 in the amount of 7.6MWs. Operational Information Cancelled