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.)

    Jan 2016 Feb 2016 Mar 2016 Apr 2016 May 2016 Jun 2016
    Date Message Type Status
    Jun 26 2016 00:02:54 CST No sudden loss of generation greater than 450 MW occurred on 06/25/2016. Operational Information Active
    Jun 25 2016 08:47:50 CST Daily RSASM for Saturday, June 25, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 25 2016 00:36:00 CST On 6/24/2016 a sudden loss of generation occurred at 14:45 totaling 462mw. Frequency declined to 59.879hz. ERCOT load was 60389MW. Operational Information Active
    Jun 24 2016 09:01:58 CST The Railroad DC Tie is now available for 150 MW Import or Export. Operational Information Active
    Jun 24 2016 08:47:09 CST Daily RSASM for Friday, June 24, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 24 2016 00:04:24 CST No sudden loss of generation greater than 450 MW occurred on 06/23/2016. Operational Information Active
    Jun 23 2016 08:46:43 CST Daily RSASM for Thursday, June 23, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 23 2016 00:01:31 CST No sudden loss of generation greater than 450 MW occurred on 06/22/2016. Operational Information Active
    Jun 22 2016 08:47:22 CST The Daily RSASM for Wednesday, June 22, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 22 2016 00:10:36 CST No sudden loss of generation greater than 450 MW occurred on 06/21/2016. Operational Information Active
    Jun 21 2016 08:47:09 CST The Daily RSASM for Tuesday, June 21, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 21 2016 00:01:59 CST No sudden loss of generation greater than 450 MW occurred on 06/20/2016. Operational Information Active
    Jun 20 2016 08:52:39 CST The Daily RSASM for Monday, June 20, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 20 2016 00:06:15 CST On 6/19/2016 a sudden loss of generation occurred at 18:14 totaling 669mw. Frequency declined to 59.883hz. ERCOT load was 56559MW. Operational Information Active
    Jun 19 2016 08:49:28 CST Daily RSASM for Sunday, June 19, 2016 did not occur due to zero participating QSEs. Operational Information Active
    Jun 19 2016 00:08:42 CST No sudden loss of generation greater than 450 MW occurred on 06/18/2016. Operational Information Active
    Jun 18 2016 08:48:18 CST Daily RSASM for Friday, June 17, 2016 did not occur due to zero participating QSEs. Operational Information Active
    Jun 18 2016 00:14:58 CST No sudden loss of generation greater than 450 MW occurred on 06/17/2016. Operational Information Active
    Jun 17 2016 08:47:57 CST Daily RSASM for Friday, June 17, 2016 did not occur due to zero participating QSEs. Operational Information Active
    Jun 17 2016 00:27:20 CST No sudden loss of generation greater than 450 MW occurred on 06/16/2016. Operational Information Active
    Jun 16 2016 23:11:15 CST ERCOT has cancelled the following notice: The Railroad DC Tie will be unavailable from 22:30 06/16/2016 through 00:00 06/18/2016 due to a forced outage. Operational Information Cancelled
    Jun 16 2016 23:10:52 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 22:30 06/16/2016 through 17:00 07/01/2016 due to a forced outage. Operational Information Active
    Jun 16 2016 22:23:28 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 22:30 06/16/2016 through 00:00 06/18/2016 due to a forced outage. Operational Information Active
    Jun 16 2016 08:48:20 CST Daily RSASM for Thursday, June 16, 2016 did not occur due to zero participating QSEs. Operational Information Active
    Jun 16 2016 00:25:41 CST No sudden loss of generation greater than 450 MW occurred on 06/15/2016. Operational Information Active
    Jun 15 2016 08:47:32 CST Daily RSASM for Wednesday, June 15, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 15 2016 00:43:48 CST No sudden loss of generation greater than 450 MW occurred on 06/14/2016. Operational Information Active
    Jun 14 2016 08:47:41 CST Daily RSASM for Tuesday, June 14, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 14 2016 00:41:45 CST No sudden loss of generation greater than 450 MW occurred on 06/13/2016. Operational Information Active
    Jun 13 2016 16:50:56 CST ERCOT has cancelled the following notice: Ercot Issued a Transmission Emergency for a post-contingency over load in the Laredo-Hamilton Rd Area. Operational Information Cancelled
    Jun 13 2016 13:35:01 CST Ercot Issued a Transmission Emergency for a post-contingency over load in the Laredo-Hamilton Rd Area. Operational Information Active
    Jun 13 2016 08:48:14 CST Daily RSASM for Monday, June 13, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 13 2016 06:23:06 CST No sudden loss of generation greater than 450 MW occurred on 06/12/2016 Operational Information Active
    Jun 12 2016 08:47:55 CST Daily RSASM for Sunday, June 12, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 12 2016 02:47:55 CST No sudden loss of generation greater than 450 MW occurred on 06/11/2016 Operational Information Active
    Jun 11 2016 08:51:02 CST Daily RSASM for Saturday, June 11, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 11 2016 03:27:50 CST No sudden loss of generation greater than 450 MW occurred on 06/10/2016 Operational Information Active
    Jun 10 2016 08:49:30 CST Daily RSASM for Friday, June 10, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 10 2016 04:39:04 CST ERCOT is working from primary control center. Operational Information Active
    Jun 10 2016 04:38:48 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center until further notice. Operational Information Cancelled
    Jun 10 2016 03:14:53 CST No sudden loss of generation greater than 450 MW occurred on 06/09/2016 Operational Information Active
    Jun 09 2016 19:48:54 CST 06-09-16 19:05 Railroad DC Tie will be limited to 150 MWs import export until further notice Operational Information Active
    Jun 09 2016 16:40:53 CST ERCOT is working from the Alternate Control Center until further notice. Operational Information Active
    Jun 09 2016 08:52:29 CST Daily RSASM for Thursday, June 09, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 09 2016 00:39:24 CST No sudden loss of generation greater than 450 MW occurred on 06/08/2016 Operational Information Active
    Jun 08 2016 15:53:34 CST ERCOT has cancelled the following notice: The Eskots Switch SPS has been returned to service. Operational Information Cancelled
    Jun 08 2016 15:53:30 CST ERCOT has cancelled the following notice: The Barney Davis SPS has been disabled due to forced outages in the area. Operational Information Cancelled
    Jun 08 2016 12:55:13 CST The Eskots Switch SPS has been returned to service. Operational Information Active
    Jun 08 2016 11:27:44 CST The Barney Davis SPS has been disabled due to forced outages in the area. Operational Information Active
    Jun 08 2016 10:23:44 CST At 5:25 PM on 06/08/2016, ERCOT will perform planned site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 30 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
    Jun 08 2016 08:48:07 CST Daily RSASM for Wednesday, June 08, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 08 2016 03:25:30 CST No sudden loss of generation greater than 450 MW occurred on 06/07/2016 Operational Information Active
    Jun 07 2016 08:47:57 CST Daily RSASM for Tuesday, June 07, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 07 2016 00:43:45 CST On 6/06/2016 a sudden loss of generation occurred at 16:42 totaling 520WM. Frequency declined to 59.896Hz. ERCOT load was 54328MW. Operational Information Active
    Jun 06 2016 08:47:34 CST Daily RSASM for Monday, June 06, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 06 2016 00:02:09 CST No sudden loss of generation greater than 450 MW occurred on 06/05/2016. Operational Information Active
    Jun 05 2016 08:48:40 CST Daily RSASM for Sunday, June 05, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 05 2016 00:12:58 CST No sudden loss of generation greater than 450 MW occurred on 06/04/2016. Operational Information Active
    Jun 04 2016 15:18:57 CST ERCOT will execute a SASM in 30 minutes for 6/4/16 for HE 18-20 for RRS MW 8, 8, 8. Operational Information Active
    Jun 04 2016 15:18:26 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM in 30 minutes for 6/4/16 for HE 18-20 for RRS MW 28, 26, 26. Operational Information Cancelled
    Jun 04 2016 15:15:44 CST ERCOT will execute a SASM in 30 minutes for 6/4/16 for HE 18-20 for RRS MW 28, 26, 26. Operational Information Active
    Jun 04 2016 08:46:16 CST Daily RSASM for Saturday, June 04, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 04 2016 00:13:32 CST No sudden loss of generation greater than 450 MW occurred on 06/03/2016. Operational Information Active
    Jun 03 2016 13:49:31 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 18:05 06/02/2016 through 14:00 06/03/2016 due to a forced outage. Operational Information Cancelled
    Jun 03 2016 11:15:39 CST ERCOT has cancelled the following notice: Railroad DC tie will be limited to 150 MW from 06/01/16 at 0800 to 1700 on 06/03/16 due to a required maintenance outage to make repairs. Operational Information Cancelled
    Jun 03 2016 11:15:27 CST ERCOT has cancelled the following notice: Railroad DC tie will be limited to 150 MW from 06/03/16 at 0800 to 1900 on 06/10/16 due to a required maintenance outage to make repairs. Operational Information Cancelled
    Jun 03 2016 09:58:48 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 18:05 06/02/2016 through 14:00 06/03/2016 due to a forced outage. Operational Information Active
    Jun 03 2016 09:57:37 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 18:05 06/02/2016 through 12:00 06/03/2016 due to a forced outage. Operational Information Cancelled
    Jun 03 2016 08:46:37 CST Daily RSASM for Friday, June 03, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 03 2016 07:22:09 CST No sudden loss of generation greater than 450 MW occurred on 06/02/2016. Operational Information Active
    Jun 03 2016 04:40:35 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 18:05 06/02/2016 through 12:00 06/03/2016 due to a forced outage. Operational Information Active
    Jun 02 2016 19:44:18 CST Railroad DC tie will be limited to 150 MW from 06/03/16 at 0800 to 1900 on 06/10/16 due to a required maintenance outage to make repairs. Operational Information Active
    Jun 02 2016 08:48:37 CST Daily RSASM for Thursday, June 02, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 02 2016 06:59:38 CST No sudden loss of generation greater than 450 MW occurred on 06/01/2016. Operational Information Active
    Jun 01 2016 08:50:06 CST Daily RSASM for Wednesday, June 01, 2016 will not be occurring due to zero participating QSEs. Operational Information Active