Operations Messages

This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. (Subscribe to Operations Messages Feed RSS feed.)

Oct 2018 Nov 2018 Dec 2018 Jan 2019 Feb 2019 Mar 2019
Date Message Type Status
Feb 28 2019 15:48:02 CST ERCOT has cancelled the following notice: The DC_EGPS DC Tie will be unavailable from 07:30 02/25/2019 through 16:30 02/28/2019 due to a planned outage. Operational Information Cancelled
Feb 28 2019 08:45:13 CST The Daily RSASM for Thursday, February 28, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Feb 28 2019 00:00:30 CST No sudden loss of generation greater than 450 MW occurred on February 27, 2019. Operational Information Active
Feb 27 2019 12:06:37 CST At 12:00 ERCOT is issuing an OCN for a potential extreme cold weather system for early March impacting the ERCOT region from 03/03/19-03/07/19. Operational Information Active
Feb 27 2019 08:47:04 CST The Daily RSASM for Wednesday, February 27, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 27 2019 00:00:17 CST On 02/26/2019, a sudden loss of generation occurred at 19:22 totaling 659 MW. Frequency declined to 59.877 Hz, ERCOT load was 39, 857 MW. Operational Information Active
Feb 26 2019 19:24:30 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Feb 26 2019 19:22:02 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Feb 26 2019 08:48:15 CST The Daily RSASM for Tuesday, February 26, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 26 2019 06:33:10 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Feb 26 2019 06:30:42 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Feb 26 2019 00:00:15 CST No sudden loss of generation greater than 450 MW occurred on February 25, 2019. Operational Information Active
Feb 25 2019 12:55:25 CST ERCOT has cancelled the following notice: The Barney Davis RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
Feb 25 2019 08:47:08 CST The Daily RSASM for Monday, February 25, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 25 2019 00:22:19 CST No sudden loss of generation greater than 450 MW occurred on February 24, 2019. Operational Information Active
Feb 24 2019 08:47:46 CST The Daily RSASM for Sunday, February 24, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 24 2019 00:54:05 CST No sudden loss of generation greater than 450 MW occurred on February 23, 2019. Operational Information Active
Feb 23 2019 08:48:38 CST The Daily RSASM for Saturday, February 23, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 23 2019 08:40:31 CST DC Tie Outage: The DC_EGPS DC Tie will be unavailable from 07:30 02/25/2019 through 16:30 02/28/2019 due to a planned outage. Operational Information Active
Feb 23 2019 00:12:34 CST No sudden loss of generation greater than 450 MW occurred on February 22, 2019. Operational Information Active
Feb 22 2019 08:56:02 CST The Daily RSASM for Friday, February 22, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 22 2019 00:16:26 CST No sudden loss of generation greater than 450 MW occurred on February 21, 2019. Operational Information Active
Feb 21 2019 08:46:43 CST The Daily RSASM for Thursday, February 21, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 21 2019 00:15:58 CST No sudden loss of generation greater than 450 MW occurred on February 20, 2019. Operational Information Active
Feb 20 2019 09:12:17 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 08:00 02/20/2019 through 16:30 02/21/2019 due to a planned outage. Operational Information Cancelled
Feb 20 2019 08:44:52 CST The Daily RSASM for Wednesday, February 20, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Feb 20 2019 02:35:01 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 08:00 02/20/2019 through 16:30 02/21/2019 due to a planned outage. Operational Information Active
Feb 20 2019 00:13:55 CST No sudden loss of generation greater than 450 MW occurred on February 19, 2019. Operational Information Active
Feb 19 2019 09:43:51 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 08:00 02/20/2019 through 16:30 02/21/2019 due to a planned outage. Operational Information Cancelled
Feb 19 2019 09:43:20 CST ERCOT has cancelled the following notice: Eagle Pass DC Tie will be unavailable due to planned Transmission outage 02/19/2019 08:00 to 02/21/2019 16:30. Operational Information Cancelled
Feb 19 2019 09:33:42 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 08:00 02/20/2019 through 16:30 02/21/2019 due to a planned outage. Operational Information Active
Feb 19 2019 08:45:23 CST The Daily RSASM for Tuesday, February 19, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 19 2019 00:06:04 CST No sudden loss of generation greater than 450 MW occurred on February 18, 2019. Operational Information Active
Feb 18 2019 12:25:56 CST The Barney Davis RAS has been taken out of service/removed from RTCA. Operational Information Active
Feb 18 2019 08:45:55 CST The Daily RSASM for Monday February 18, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Feb 18 2019 00:46:30 CST No sudden loss of generation greater than 450 MW occurred on February 17, 2019 Operational Information Active
Feb 17 2019 08:49:25 CST The Daily RSASM for Sunday February 17, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 17 2019 00:08:35 CST No sudden loss of generation greater than 450 MW occurred on February 16, 2019 Operational Information Active
Feb 16 2019 08:47:03 CST The Daily RSASM for Saturday February 16, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 16 2019 04:17:04 CST No sudden loss of generation greater than 450 MW occurred on February 15, 2019 Operational Information Active
Feb 15 2019 08:46:38 CST The Daily RSASM for Friday February 15, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 15 2019 02:09:28 CST No sudden loss of generation greater than 450 MW occurred on February 14, 2019. Operational Information Active
Feb 14 2019 15:01:11 CST Eagle Pass DC Tie will be unavailable due to planned Transmission outage 02/19/2019 08:00 to 02/21/2019 16:30. Operational Information Active
Feb 14 2019 08:49:52 CST The Daily RSASM for Thursday February 14, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 14 2019 01:03:51 CST No sudden loss of generation greater than 450 MW occurred on February 13, 2019. Operational Information Active
Feb 13 2019 09:10:45 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for Brand to ECRSW 138kv line outage Operational Information Cancelled
Feb 13 2019 08:48:04 CST The Daily RSASM for Wednesday, February 13, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 13 2019 07:34:52 CST ERCOT is taking manual actions to pre-posture for Brand to ECRSW 138kv line outage Operational Information Active
Feb 13 2019 01:10:17 CST No sudden loss of generation greater than 450 MW occurred on February 12, 2019. Operational Information Active
Feb 12 2019 08:53:28 CST The Daily RSASM for Tuesday, February 12, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 12 2019 00:44:23 CST No sudden loss of generation greater than 450 MW occurred on February 11, 2019. Operational Information Active
Feb 11 2019 08:50:10 CST The Daily RSASM for Monday, February 11, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 11 2019 00:18:35 CST No sudden loss of generation greater than 450 MW occurred on February 10, 2019. Operational Information Active
Feb 10 2019 08:47:16 CST The Daily RSASM for Sunday, February 10, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 10 2019 00:10:46 CST No sudden loss of generation greater than 450 MW occurred on February 9, 2019. Operational Information Active
Feb 09 2019 08:46:33 CST The Daily RSASM for Saturday, February 9, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 09 2019 00:16:05 CST No sudden loss of generation greater than 450 MW occurred on February 8, 2019. Operational Information Active
Feb 08 2019 08:46:27 CST The Daily RSASM for Friday, February 8, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 08 2019 01:08:14 CST No sudden loss of generation greater than 450 MW occurred on February 7, 2019. Operational Information Active
Feb 07 2019 08:46:51 CST The Daily RSASM for Thursday, February 7, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 07 2019 00:14:11 CST No sudden loss of generation greater than 450 MW occurred on February 6, 2019. Operational Information Active
Feb 06 2019 10:54:15 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for M1 outage on Copperas Cove to Kempner 138 kv line. Operational Information Cancelled
Feb 06 2019 10:13:28 CST ERCOT is taking manual actions to pre-posture for M1 outage on Copperas Cove to Kempner 138 kv line. Operational Information Active
Feb 06 2019 01:02:11 CST No sudden loss of generation greater than 450 MW occurred on February 5, 2019. Operational Information Active
Feb 05 2019 01:02:21 CST No sudden loss of generation greater than 450 MW occurred on February 4, 2019. Operational Information Active
Feb 04 2019 08:47:34 CST The Daily RSASM for Monday February 4, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 04 2019 02:04:01 CST No sudden loss of generation greater than 450 MW occurred on February 3, 2019. Operational Information Active
Feb 03 2019 17:32:25 CST ERCOT has cancelled the following notice: ERCOT issued an Advisory for DRUC timeline deviation. ERCOT will continue to try to complete DRUC by 18:00. Advisory Cancelled
Feb 03 2019 17:28:54 CST ERCOT issued an Advisory for DRUC timeline deviation. ERCOT will continue to try to complete DRUC by 18:00. Advisory Active
Feb 03 2019 08:47:34 CST The Daily RSASM for Sunday, February 3, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 03 2019 02:14:21 CST No sudden loss of generation greater than 450 MW occurred on February 2, 2019. Operational Information Active
Feb 02 2019 08:49:36 CST The Daily RSASM for Saturday, February 2, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 02 2019 00:22:30 CST No sudden loss of generation greater than 450 MW occurred on February 1, 2019. Operational Information Active
Feb 01 2019 08:50:50 CST The Daily RSASM for Friday, February 1, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 01 2019 02:26:40 CST No sudden loss of generation greater than 450 MW occurred on January 31, 2019. Operational Information Active