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Operations Messages

This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. 

Jun 2026 Jul 2026 Aug 2026 Sep 2026 Oct 2026 Nov 2026
Date & Time Notice Type Status
Nov 7, 2026 12:14:25 AM No sudden loss of generation greater than 450 MW occurred on November 06, 2026. Operational Information Active
Nov 6, 2026 8:33:01 AM ERCOT has cancelled the following notice: ERCOT has been notified that the DC_E Tie has been derated to 480MW Import/Export until further notice. Operational Information Cancelled
Nov 6, 2026 12:03:59 AM On November 5, 2026, a sudden loss of generation occurred at 01:23 totaling 660 MW. Frequency declined to 59.958 Hz, ERCOT load was 44,600 MW. Operational Information Active
Nov 6, 2026 12:00:38 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from 11/05/2026 21:10 through 11/05/2026 23:59 due to a forced outage. Operational Information Cancelled
Nov 6, 2026 12:00:32 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) 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
Nov 5, 2026 9:15:14 PM The DC_L (Laredo VFT) DC Tie will be unavailable from 11/05/2026 21:10 through 11/05/2026 23:59 due to a forced outage. Operational Information Active
Nov 5, 2026 9:14:11 PM The DC_L (Laredo VFT) 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
Nov 5, 2026 6:34:10 PM ERCOT has cancelled the following notice: At 15:30 PM on 11/05/2026, 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 Cancelled
Nov 5, 2026 12:14:43 PM ERCOT has been notified that the DC_E Tie has been derated to 480MW Import/Export until further notice. Operational Information Active
Nov 5, 2026 12:12:25 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 11/05/2026 12:01 through 11/05/2026 23:59 due to a forced outage. Operational Information Cancelled
Nov 5, 2026 11:59:22 AM The DC_E (East) DC Tie will be unavailable from 11/05/2026 12:01 through 11/05/2026 23:59 due to a forced outage. Operational Information Active
Nov 5, 2026 11:58:15 AM ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from 11/05/2026 12:01 through 11/05/2026 23:59 due to a forced outage. Operational Information Cancelled
Nov 5, 2026 11:58:01 AM The DC_N (North) DC Tie will be unavailable from 11/05/2026 12:01 through 11/05/2026 23:59 due to a forced outage. Operational Information Active
Nov 5, 2026 11:57:02 AM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 10/29/2026 13:05 through 11/05/2026 12:00 due to a forced outage. Operational Information Cancelled
Nov 5, 2026 10:42:26 AM At 15:30 PM on 11/05/2026, 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
Nov 5, 2026 12:00:20 AM No sudden loss of generation greater than 450 MW occurred on November 04, 2026. Operational Information Active
Nov 4, 2026 3:04:01 PM The DC_E (East) DC Tie will be unavailable from 11/10/2026 07:30 through 11/11/2026 16:00 due to a planned outage. Operational Information Active
Nov 4, 2026 2:43:13 PM The DC_E (East) DC Tie will be unavailable from 10/29/2026 13:05 through 11/05/2026 12:00 due to a forced outage. Operational Information Active
Nov 4, 2026 2:42:37 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 10/29/2026 13:05 through 11/04/2026 16:00 due to a forced outage. Operational Information Cancelled
Nov 4, 2026 12:24:19 AM No sudden loss of generation greater than 450 MW occurred on November 03, 2026. Operational Information Active
Nov 3, 2026 12:05:07 AM On November 2, 2026, a sudden loss of generation occurred at 13:36 totaling 511 MW. Frequency declined to 59.967 Hz, ERCOT load was 65,232 MW. Operational Information Active
Nov 2, 2026 2:58:18 PM The Horse Hollow Generation Tie RAS has been taken out of service and removed from RTCA. Operational Information Active
Nov 2, 2026 1:22:55 PM The DC_E (East) DC Tie will be unavailable from 10/29/2026 13:05 through 11/04/2026 16:00 due to a forced outage. Operational Information Active
Nov 2, 2026 1:21:34 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 10/29/2026 13:05 through 11/02/2026 17:00 due to a forced outage. Operational Information Cancelled
Nov 2, 2026 7:55:37 AM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Cancelled
Nov 2, 2026 12:01:11 AM No sudden loss of generation greater than 450 MW occurred on November 01, 2026. Operational Information Active
Nov 1, 2026 8:29:31 PM ERCOT is taking manual action for an unsolved contingency in the Taylor County area. Operational Information Active
Nov 1, 2026 12:00:25 AM No sudden loss of generation greater than 450 MW occurred on October 31, 2026. Operational Information Active