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.)

Aug 2014 Sep 2014 Oct 2014 Nov 2014 Dec 2014 Jan 2015
Date Message Type Status
Jan 29 2015 08:46:44 CST Daily reconfiguration SASM for Thursday, January 29, 2015 did not occur due to zero participating QSEs. Posted on Notice Builder and sent email to SASM. For Thursday, January 29, 2015 did not occur due to zero participating QSEs. Operational Information Active
Jan 29 2015 07:41:05 CST No sudden loss of generation greater than 450 MW occurred on 01/28/15. Operational Information Active
Jan 28 2015 14:34:33 CST Advisory cancelled for delay of DAM. DAM is complete, DRUC will begin at 1530. Advisory Active
Jan 28 2015 13:29:37 CST ERCOT has postponed the deadline for the posting of the DAM solution for Operating Day 01/29/2015 until further notice due to long run time. Advisory Active
Jan 28 2015 08:46:22 CST Daily reconfiguration SASM for Wednesday, January 28, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 28 2015 07:41:31 CST No sudden loss of generation greater than 450 MW occurred on 01/27/15. Operational Information Active
Jan 27 2015 08:47:39 CST Daily reconfiguration SASM for Tuesday, January 27, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 27 2015 07:57:29 CST No sudden loss of generation greater than 450 MW occurred on 01/26/15. Operational Information Active
Jan 26 2015 08:47:02 CST Daily reconfiguration SASM for Monday, January 26, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 26 2015 07:23:12 CST No sudden loss of generation greater than 450 MW occurred on 01/25/15. Operational Information Active
Jan 25 2015 08:48:51 CST Daily Reconfiguration SASM for Sunday, January 25, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 25 2015 06:48:39 CST No sudden loss of generation greater than 450 MW occurred on 01/24/15. Operational Information Active
Jan 24 2015 08:48:15 CST Daily Reconfiguration SASM for Saturday, January 24, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 24 2015 06:33:59 CST No sudden loss of generation greater than 450 MW occurred on 01/23/15. Operational Information Active
Jan 23 2015 08:47:55 CST Daily Reconfiguration SASM for Friday, January 23, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 23 2015 08:05:51 CST No sudden loss of generation greater than 450 MW occurred on 01/22/15. Operational Information Active
Jan 22 2015 11:48:02 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 15:00 01/21/2015 through 16:00 01/23/2015 due to a forced outage. Operational Information Cancelled
Jan 22 2015 08:49:38 CST Daily Reconfiguration SASM for Thurssday, January 22, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 22 2015 08:00:27 CST No sudden loss of generation greater than 450 MW occurred on 01/21/15. Operational Information Active
Jan 21 2015 16:08:13 CST DC Tie Outage: The North DC Tie will be unavailable from 15:00 01/21/2015 through 16:00 01/23/2015 due to a forced outage. Operational Information Active
Jan 21 2015 16:07:07 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 15:00 01/21/2015 through 16:00 01/22/2015 due to a forced outage. Operational Information Cancelled
Jan 21 2015 15:52:02 CST DC Tie Outage: The North DC Tie will be unavailable from 15:00 01/21/2015 through 16:00 01/22/2015 due to a forced outage. Operational Information Active
Jan 21 2015 15:51:08 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 16:00 01/21/2015 through 22:00 01/22/2015 due to a forced outage. Operational Information Cancelled
Jan 21 2015 15:49:44 CST DC Tie Outage: The North DC Tie will be unavailable from 16:00 01/21/2015 through 22:00 01/22/2015 due to a forced outage. Operational Information Active
Jan 21 2015 08:46:20 CST Daily Reconfiguration SASM for Wednesday, January 21, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 21 2015 07:56:31 CST No sudden loss of generation greater than 450 MW occurred on 01/20/15. Operational Information Active
Jan 20 2015 17:55:32 CST ERCOT has cancelled the following notice: At 4:20 PM on 01/20/2015, ERCOT will perform an unplanned 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 Cancelled
Jan 20 2015 15:18:00 CST At 4:20 PM on 01/20/2015, ERCOT will perform an unplanned 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
Jan 20 2015 08:51:15 CST Daily Reconfiguration SASM for Tuesday, January 20, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 20 2015 07:57:31 CST No sudden loss of generation greater than 450 MW occurred on 01/19/15. Operational Information Active
Jan 19 2015 09:10:57 CST Daily Reconfiguration SASM for Monday, January 19, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 19 2015 05:16:08 CST No sudden loss of generation greater than 450 MW occurred on 01/18/15. Operational Information Active
Jan 18 2015 08:47:59 CST Daily Reconfiguration SASM for Sunday, January 18, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 18 2015 07:06:21 CST No sudden loss of generation greater than 450 MW occurred on 01/17/15. Operational Information Active
Jan 17 2015 08:47:17 CST Daily Reconfiguration SASM for Saturday, January 17, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 17 2015 06:21:06 CST No sudden loss of generation greater than 450 MW occurred on 01/16/15. Operational Information Active
Jan 16 2015 15:43:38 CST The E-tagging system is down for the Rail Road DC Tie Operator and no new schedules will be accepted across the Rail Road DC Tie at this time. Operational Information Active
Jan 16 2015 15:39:23 CST ERCOT has cancelled the following notice: The Rail Road DC Tie will be unavailable from 14:27 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Cancelled
Jan 16 2015 14:52:20 CST DC Tie Outage: The Rail Road DC Tie will be unavailable from 14:27 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Active
Jan 16 2015 13:37:36 CST ERCOT has cancelled the following notice: The Rail-Road DC Tie will be unavailable from 11:19 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Cancelled
Jan 16 2015 13:37:30 CST ERCOT has cancelled the following notice: The Rail-Road DC Tie will be unavailable from 11:19 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Cancelled
Jan 16 2015 13:37:25 CST ERCOT has cancelled the following notice: The Rail-Road DC Tie will be unavailable from 11:19 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Cancelled
Jan 16 2015 12:27:04 CST DC Tie Outage: The Rail-Road DC Tie will be unavailable from 11:19 01/16/2015 through 23:59 01/16/2015 due to a forced outage. Operational Information Active
Jan 16 2015 08:46:08 CST Daily Reconfiguration SASM for Friday, January 16, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 16 2015 07:18:39 CST On 01/15/15, a sudden loss of generation occurred at 13:39 totaling 458 MW. Frequency declined to 59.919 Hz, ERCOT load was 38, 095 MW. Operational Information Active
Jan 16 2015 04:38:24 CST ERCOT is working from Primary control center. Operational Information Active
Jan 15 2015 08:52:02 CST Daily Reconfiguration SASM for Thursday, January 15, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 15 2015 06:25:47 CST No sudden loss of generation greater than 450 MW occurred on 01/14/15. Operational Information Active
Jan 14 2015 08:50:09 CST Daily reconfiguration SASM for Wednesday, January 14, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 14 2015 06:27:27 CST No sudden loss of generation greater than 450 MW occurred on 01/13/15. Operational Information Active
Jan 13 2015 14:13:10 CST ERCOT has cancelled the following notice: The EAST DC Tie will be unavailable from 09:00 01/13/2015 through 12:00 01/13/2015 due to a forced outage. Operational Information Cancelled
Jan 13 2015 08:48:46 CST Daily reconfiguration SASM for Tuesday, January 13, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 13 2015 08:18:35 CST DC Tie Outage: The EAST DC Tie will be unavailable from 09:00 01/13/2015 through 12:00 01/13/2015 due to a forced outage. Operational Information Active
Jan 13 2015 06:59:56 CST No sudden loss of generation greater than 450 MW occurred on 01/12/15. Operational Information Active
Jan 12 2015 18:25:39 CST The ERCOT NORTH DC Tie in both directions will be limited to 0 MW as a result of an unplanned maintenance outage from 12/24/2014 04:00 (CS) to 01/14/2015 17:00 (CS). Operational Information Active
Jan 12 2015 08:48:02 CST Daily reconfiguration SASM for Monday, January 12, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 12 2015 07:02:24 CST No sudden loss of generation greater than 450 MW occurred on 01/11/15. Operational Information Active
Jan 11 2015 10:47:37 CST The ERCOT NORTH DC Tie in both directions will be limited to 0 MW as a result of an unplanned maintenance outage from 12/24/2014 04:00 (CS) to 01/12/2015 17:00 (CS). Operational Information Active
Jan 11 2015 08:50:40 CST Daily reconfiguration SASM for Sunday, January 11, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 11 2015 05:43:12 CST No sudden loss of generation greater than 450 MW occurred on 01/10/15. Operational Information Active
Jan 10 2015 08:50:22 CST Daily reconfiguration SASM for Saturday, January 10, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 10 2015 06:52:45 CST No sudden loss of generation greater than 450 MW occurred on 01/09/15. Operational Information Active
Jan 09 2015 08:52:08 CST Daily reconfiguration SASM for Friday, January 09, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 09 2015 07:12:27 CST On 01/08/14, a sudden loss of generation occurred at 08:20 totaling 545 MW. Frequency declined to 59.911 Hz, ERCOT load was 54, 990 MW. Operational Information Active
Jan 08 2015 09:03:26 CST ERCOT has cancelled the following notice: ERCOT issued a Watch for the extreme cold weather system impacting the region leaving temperatures in the teens and 20s for most of the region. Expect a steep load pick up Thursday morning. Operational Information Cancelled
Jan 08 2015 08:47:07 CST Daily Reconfiguration SASM for Thursday, January 8, 2015 will not be occurring due to zero participating QSEs Operational Information Active
Jan 08 2015 05:40:50 CST No sudden loss of generation greater than 450 MW occurred on 01/07/15. Operational Information Active
Jan 07 2015 09:01:17 CST ERCOT has cancelled the following notice: ERCOT has issued an Advisory for the extreme cold weather system forecasted to sweep through the state Wednesday leaving temperatures in the teens and 20’s for most of the region. Expecting a steep load pick up Thursday morning. Operational Information Cancelled
Jan 07 2015 09:00:55 CST ERCOT issued a Watch for the extreme cold weather system impacting the region leaving temperatures in the teens and 20s for most of the region. Expect a steep load pick up Thursday morning. Operational Information Active
Jan 07 2015 09:00:10 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for a K Index 7 geomagnetic disturbance storm alert that has been issued until 09:00 for January 7, 2015. Operational Information Cancelled
Jan 07 2015 08:47:46 CST Daily Reconfiguration SASM for Wednesday, January 7, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 07 2015 07:41:56 CST No sudden loss of generation greater than 450 MW occurred on 01/06/15. Operational Information Active
Jan 07 2015 06:36:00 CST ERCOT is issuing an Advisory for a K Index 7 geomagnetic disturbance storm alert that has been issued until 09:00 for January 7, 2015. Operational Information Active
Jan 06 2015 09:49:09 CST ERCOT has issued an Advisory for the extreme cold weather system forecasted to sweep through the state Wednesday leaving temperatures in the teens and 20’s for most of the region. Expecting a steep load pick up Thursday morning. Operational Information Active
Jan 06 2015 09:22:50 CST Correction/Addition to Daily Reconfiguration SASM for Tuesday, January 6, 2015: Reconfiguration SASM for Tuesday, January 6, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 06 2015 08:47:07 CST Daily Reconfiguration SASM for Tuesday, January 6, 2015. Operational Information Active
Jan 06 2015 07:36:43 CST No sudden loss of generation greater than 450 MW occurred on 01/05/15. Operational Information Active
Jan 05 2015 15:36:27 CST Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of Jan 05, 2015 is available. Advisory Active
Jan 05 2015 09:00:18 CST ERCOT has cancelled the following notice: ERCOT has issued an Advisory for the cold weather system that is forecasted to impact most of the region with temperatures in the 20s for Sunday evening through Monday morning. Operational Information Cancelled
Jan 05 2015 08:59:45 CST ERCOT has cancelled the following notice: ERCOT has issued an Advisory for the cold weather system that is forecasted to impact most of the region with temperatures in the 20s for Sunday evening through Monday morning. Operational Information Cancelled
Jan 05 2015 08:49:44 CST Daily Reconfiguration SASM for Monday, January 5, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 05 2015 06:22:53 CST No sudden loss of generation greater than 450 MW occurred on 01/04/15. Operational Information Active
Jan 04 2015 08:47:55 CST Daily reconfiguration SASM for Sunday, January 4, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 04 2015 06:11:38 CST No sudden loss of generation greater than 450 MW occurred on 01/03/15. Operational Information Active
Jan 03 2015 08:47:38 CST Daily reconfiguration SASM for Saturday, January 3, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 03 2015 05:25:20 CST No sudden loss of generation greater than 450 MW occurred on 01/02/15. Operational Information Active
Jan 02 2015 10:36:10 CST ERCOT has cancelled the following notice: North DC Tie is now scheduled to return to service on 01/09/2014 at 17:00. Operational Information Cancelled
Jan 02 2015 10:34:22 CST The North DC Tie is now scheduled to return to service on January 11, 2015 at 23:59. Operational Information Active
Jan 02 2015 09:54:20 CST ERCOT has issued an Advisory for the cold weather system that is forecasted to impact most of the region with temperatures in the 20s for Sunday evening through Monday morning. Operational Information Active
Jan 02 2015 08:47:37 CST Daily reconfiguration SASM for Friday, January 2, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 02 2015 07:23:43 CST No sudden loss of generation greater than 450 MW occurred on 01/01/15. Operational Information Active
Jan 01 2015 11:58:52 CST ERCOT has cancelled the following notice: ERCOT issued an Advisory for the cold weather system that is impacting the North, West and Far West region through Thursday morning with below freezing temperatures and freezing rain with possible accumulation. Operational Information Cancelled
Jan 01 2015 10:20:11 CST Daily Reconfiguration SASM for Thursday, January 01, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 01 2015 04:43:09 CST On 12/31/14, a sudden loss of generation occurred at 11:11 totaling 585 MW. Frequency declined to 59.880 Hz, ERCOT load was 46, 847 MW. Operational Information Active