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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 2021 Aug 2021 Sep 2021 Oct 2021 Nov 2021 Dec 2021
Date & Time Notice Type Status
Dec 8, 2021 12:31:09 AM No sudden loss of generation greater than 450 MW occurred on December 7, 2021. Operational Information Active
Dec 7, 2021 8:47:21 AM The Daily RSASM for Tuesday, December 7, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 7, 2021 12:00:57 AM No sudden loss of generation greater than 450 MW occurred on December 6, 2021. Operational Information Active
Dec 6, 2021 12:10:01 PM ERCOT has been notified that the RAILROAD DC Tie will be derated to 150 MW Import/Export Wednesday 12/08/21 at 07:00 to Thursday 12/09/21 at 18:00 due to M2 maintenance outage. Operational Information Active
Dec 6, 2021 8:48:08 AM The Daily RSASM for Monday, December 6, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 6, 2021 12:33:06 AM No sudden loss of generation greater than 450 MW occurred on December 5, 2021. Operational Information Active
Dec 5, 2021 8:45:21 AM The Daily RSASM for Sunday, December 05, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Dec 5, 2021 1:17:07 AM No sudden loss of generation greater than 450 MW occurred on December 4, 2021. Operational Information Active
Dec 4, 2021 4:58:38 PM No sudden loss of generation greater than 450 MW occurred on December 3, 2021. Operational Information Active
Dec 4, 2021 8:46:46 AM The Daily RSASM for Saturday, December 04, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Dec 3, 2021 9:44:42 PM ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from 12/03/2021 14:00 through 12/03/2021 23:59 due to a forced outage. Operational Information Cancelled
Dec 3, 2021 9:44:21 PM ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage DC Tie Curtailment Notice Cancelled
Dec 3, 2021 12:53:37 PM The DC_R (Railroad) DC Tie will be unavailable from 12/03/2021 14:00 through 12/03/2021 23:59 due to a forced outage. Operational Information Active
Dec 3, 2021 12:51:09 PM The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage DC Tie Curtailment Notice Active
Dec 3, 2021 12:38:25 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 12/03/2021 08:15 through 12/03/2021 23:59 due to a forced outage. Operational Information Cancelled
Dec 3, 2021 9:36:28 AM The DC_E (East) DC Tie will be unavailable from 12/03/2021 08:15 through 12/03/2021 23:59 due to a forced outage. Operational Information Active
Dec 3, 2021 9:35:39 AM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 12/03/2021 08:15 through 12/03/2021 10:00 due to a forced outage. Operational Information Cancelled
Dec 3, 2021 8:46:29 AM The Daily RSASM for Friday, December 03, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Dec 3, 2021 8:26:24 AM The DC_E (East) DC Tie will be unavailable from 12/03/2021 08:15 through 12/03/2021 10:00 due to a forced outage. Operational Information Active
Dec 3, 2021 5:19:39 AM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 12/03/2021 00:57 through 12/03/2021 23:59 due to a forced outage. Operational Information Cancelled
Dec 3, 2021 1:13:43 AM The DC_E (East) DC Tie will be unavailable from 12/03/2021 00:57 through 12/03/2021 23:59 due to a forced outage. Operational Information Active
Dec 3, 2021 12:26:35 AM No sudden loss of generation greater than 450 MW occurred on December 2, 2021. Operational Information Active
Dec 2, 2021 8:09:57 PM The DC_L (Laredo VFT) DC Tie will be unavailable from 12/07/2021 08:00 through 12/07/2021 14:00 due to a planned outage. Operational Information Active
Dec 2, 2021 8:46:40 AM The Daily RSASM for Thursday, December 02, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Dec 2, 2021 12:13:43 AM No sudden loss of generation greater than 450 MW occurred on December 1, 2021. Operational Information Active
Dec 1, 2021 8:46:15 AM The Daily RSASM for Wednesday, December 01, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Dec 1, 2021 12:13:32 AM No sudden loss of generation greater than 450 MW occurred on November 30, 2021. Operational Information Active