Operations Messages

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

Feb 2015 Mar 2015 Apr 2015 May 2015 Jun 2015 Jul 2015
Date Message Type Status
Jul 27 2015 08:52:41 CST Daily reconfiguration SASM for Monday, July 27, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 27 2015 00:39:33 CST No sudden loss of generation greater than 450 MW occurred on 07/26/2015. Operational Information Active
Jul 26 2015 08:48:08 CST Daily reconfiguration SASM for Sunday, July 26, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 26 2015 01:18:48 CST No sudden loss of generation greater than 450 MW occurred on 07/25/2015. Operational Information Active
Jul 25 2015 08:48:21 CST Daily reconfiguration SASM for Saturday, July 25, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 25 2015 00:43:31 CST No sudden loss of generation greater than 450 MW occurred on 07/24/2015. Operational Information Active
Jul 24 2015 08:51:25 CST Daily reconfiguration SASM for Friday, July 24, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 24 2015 00:05:57 CST No sudden loss of generation greater than 450 MW occurred on 07/23/2015. Operational Information Active
Jul 23 2015 08:47:40 CST Daily reconfiguration SASM for Thursday, July 23, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 23 2015 00:09:20 CST No sudden loss of generation greater than 450 MW occurred on 07/22/2015. Operational Information Active
Jul 22 2015 08:47:18 CST Daily Reconfiguration SASM for Wednesday, July 22, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 22 2015 00:08:53 CST On 7/21/2015, a sudden loss of generation occurred at 11:41 totaling 662 MW. Frequency declined to 59.904 Hz, ERCOT load was 55270 MW. Another loss of generation occurred at 21:05 totaling 690 MW. Frequency declined to 59.896 Hz, ERCOT load was 57744 MW. Operational Information Active
Jul 21 2015 08:46:49 CST Daily Reconfiguration SASM for Tuesday, July 21, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 21 2015 00:16:32 CST On 7/20/2015, a sudden loss of generation occurred at 22:31 totaling 450 MW. Frequency declined to 59.924 Hz, ERCOT load was 53333 MW. Operational Information Active
Jul 20 2015 08:46:36 CST Daily Reconfiguration SASM for Monday, July 20, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 20 2015 01:07:53 CST On 7/19/2015, a sudden loss of generation occurred at 13:35 totaling 642 MW. Frequency declined to 59.846 Hz, ERCOT load was 58467 MW. Operational Information Active
Jul 19 2015 08:46:25 CST Daily reconfiguration SASM for Sunday, July 19, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 19 2015 00:15:56 CST No sudden loss of generation greater than 450 MW occurred on 07/18/2015. Operational Information Active
Jul 18 2015 08:46:23 CST Daily reconfiguration SASM for Saturday, July 18, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 18 2015 05:56:10 CST ERCOT has cancelled the following notice: ERCOT is using the North to Houston interface to pre-posture generation for planned outage. Operational Information Cancelled
Jul 18 2015 05:07:57 CST ERCOT is using the North to Houston interface to pre-posture generation for planned outage. Operational Information Active
Jul 18 2015 00:33:33 CST No sudden loss of generation greater than 450 MW occurred on 07/17/2015. Operational Information Active
Jul 17 2015 08:46:40 CST Daily reconfiguration SASM for Friday, July 17, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 17 2015 00:38:03 CST No sudden loss of generation greater than 450 MW occurred on 07/16/2015. Operational Information Active
Jul 16 2015 08:46:05 CST Daily reconfiguration SASM for Thursday, July 16, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 16 2015 00:13:37 CST No sudden loss of generation greater than 450 MW occurred on 07/15/2015. Operational Information Active
Jul 15 2015 08:48:48 CST Daily reconfiguration SASM for Wednesday, July 15, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 15 2015 01:17:42 CST No sudden loss of generation greater than 450 MW occurred on 07/14/2015. Operational Information Active
Jul 14 2015 17:48:44 CST At 3:25 PM on 07/15/2015, ERCOT will perform planned site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 45 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
Jul 14 2015 17:12:44 CST ERCOT has cancelled the following notice: The Parkway SPS is disabled at this time due to breaker maintenance. Operational Information Cancelled
Jul 14 2015 08:47:54 CST Daily reconfiguration SASM for Tuesday, July 14, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 14 2015 08:17:54 CST The Parkway SPS is disabled at this time due to breaker maintenance. Operational Information Active
Jul 14 2015 01:23:25 CST No sudden loss of generation greater than 450 MW occurred on 07/13/2015. Operational Information Active
Jul 14 2015 01:23:19 CST No sudden loss of generation greater than 450 MW occurred on 07/13/2015. Operational Information Active
Jul 13 2015 13:16:38 CST ERCOT has cancelled the following notice: The DC_S DC Tie will be unavailable from 13:00 07/11/2015 through 19:00 07/17/2015 due to a forced outage. Operational Information Cancelled
Jul 13 2015 13:15:50 CST ERCOT has cancelled the following notice: At time 11:33 Eagle Pass DC_S tripped and cause is being investigated. DC_S is unavailable until further notice. Operational Information Cancelled
Jul 13 2015 08:47:06 CST Daily reconfiguration SASM for Monday, July 13, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 13 2015 02:21:20 CST No sudden loss of generation greater than 450 MW occurred on 07/12/2015. Operational Information Active
Jul 13 2015 02:16:05 CST No sudden loss of generation greater than 450 MW occurred on 07/12/2015. Operational Information Active
Jul 12 2015 14:15:29 CST ERCOT has cancelled the following notice: The Railroad DC Tie will be unavailable from 09:00 07/10/2015 through 23:00 07/10/2015 due to a planned outage. Operational Information Cancelled
Jul 12 2015 08:48:19 CST Daily Reconfiguration SASM for Sunday, July 12, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 12 2015 02:18:39 CST No sudden loss of generation greater than 450 MW occurred on 07/11/2015. Operational Information Active
Jul 11 2015 13:59:18 CST DC Tie Outage: The DC_S DC Tie will be unavailable from 13:00 07/11/2015 through 19:00 07/17/2015 due to a forced outage. Operational Information Active
Jul 11 2015 11:47:01 CST At time 11:33 Eagle Pass DC_S tripped and cause is being investigated. DC_S is unavailable until further notice. Operational Information Active
Jul 11 2015 08:48:16 CST Daily Reconfiguration SASM for Saturday, July 11, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 11 2015 02:07:11 CST No sudden loss of generation greater than 450 MW occurred on 07/10/2015. Operational Information Active
Jul 10 2015 08:50:15 CST Daily reconfiguration SASM for Friday, July 10, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 10 2015 04:58:50 CST At 04:45 ERCOT is working from it's Primary Control Center until further notice, use the OPX numbers for Taylor. Operational Information Active
Jul 10 2015 03:16:28 CST No sudden loss of generation greater than 450 MW occurred on 07/09/2015. Operational Information Active
Jul 09 2015 16:58:47 CST ERCOT will be operating from the Alternate Control Center until further notice. Please use the OPX numbers for Bastrop Operational Information Active
Jul 09 2015 08:50:30 CST Daily reconfiguration SASM for Thursday, July 9, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 09 2015 02:29:06 CST No sudden loss of generation greater than 450 MW occurred on 07/08/2015 Operational Information Active
Jul 08 2015 08:48:56 CST Daily Reconfiguration SASM for Wednesday, July 8, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 08 2015 00:19:49 CST No sudden loss of generation greater than 450 MW occurred on 07/07/2015 Operational Information Active
Jul 07 2015 17:28:25 CST No sudden loss of generation greater than 450 MW occurred on 07/06/2015 Operational Information Active
Jul 07 2015 08:46:30 CST Daily Reconfiguration SASM for Tuesday, July 7, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 06 2015 15:11:30 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 09:00 07/10/2015 through 23:00 07/10/2015 due to a planned outage. Operational Information Active
Jul 06 2015 08:46:48 CST Daily Reconfiguration SASM for Monday, July 6, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 06 2015 00:15:02 CST On 7/05/2015, a sudden loss of generation occurred at 10:30 totaling 848 MW. Frequency declined to 59.859 Hz, ERCOT load was 44666 MW. Operational Information Active
Jul 05 2015 16:14:18 CST No sudden loss of generation greater than 450 MW occurred on 07/04/2015 Operational Information Active
Jul 05 2015 08:46:31 CST Daily Reconfiguration SASM for Sunday, July 5, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 04 2015 08:47:54 CST Daily Reconfiguration SASM for Saturday, July 4, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 04 2015 03:02:26 CST No sudden loss of generation greater than 450 MW occurred on 07/03/2015 Operational Information Active
Jul 03 2015 08:46:10 CST Daily Reconfiguration SASM for Friday, July 3, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 03 2015 02:05:56 CST No sudden loss of generation greater than 450 MW occurred on 07/02/2015 Operational Information Active
Jul 02 2015 08:53:19 CST Daily reconfiguration SASM for Thursday, July 2, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 02 2015 08:52:12 CST Daily reconfiguration SASM for Thursday, July 2, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 02 2015 01:54:29 CST On 7/1/2015, a sudden loss of generation occurred at 01:15 totaling 748 MW. Frequency declined to 59.847 Hz, ERCOT load was 35611 MW. Operational Information Active
Jul 01 2015 08:49:21 CST Daily reconfiguration SASM for Wednesday, July 1, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 01 2015 01:50:32 CST On 6/30/2015, a sudden loss of generation occurred at 14:36 totaling 501 MW. Frequency declined to 59.925 Hz, ERCOT load was 56561 MW. Operational Information Active