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.)

Oct 2014 Nov 2014 Dec 2014 Jan 2015 Feb 2015 Mar 2015
Date Message Type Status
Mar 29 2015 08:46:49 CST Daily Reconfiguration SASM for Sunday, March 29, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 29 2015 00:02:29 CST On 3/28/15, a sudden loss of generation occurred at 11:01 totaling 601.8 MW. Frequency declined to 59.804 Hz, ERCOT load was 31, 353 MW. Another sudden loss of generation occurred at 11:01 totaling 97.1 MW. Frequency declined to 59.804 Hz, ERCOT load was 31, 353 MW. Operational Information Active
Mar 28 2015 12:22:47 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 11:45 for operating day Saturday, March 28, 2015 for 35mw REGDN and 45mw RRS for HE14-16. Operational Information Cancelled
Mar 28 2015 11:14:33 CST ERCOT will execute a SASM at 11:45 for operating day Saturday, March 28, 2015 for 35mw REGDN and 45mw RRS for HE14-16. Operational Information Active
Mar 28 2015 08:47:00 CST Daily Reconfiguration SASM for Saturday, March 28, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 28 2015 00:03:50 CST No sudden loss of generation greater than 450 MW occurred on 3/27/2015. Operational Information Active
Mar 27 2015 08:47:09 CST Daily Reconfiguration SASM for Friday, March 27, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 27 2015 05:54:50 CST No sudden loss of generation greater than 450 MW occurred on 3/26/2015. Operational Information Active
Mar 26 2015 08:46:55 CST Daily Reconfiguration SASM for Thursday, March 26, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 26 2015 00:15:09 CST No sudden loss of generation greater than 450 MW occurred on 3/25/2015. Operational Information Active
Mar 25 2015 22:32:01 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency. Operational Information Cancelled
Mar 25 2015 22:13:38 CST ERCOT is taking manual actions for an unsolved contingency. Operational Information Active
Mar 25 2015 17:28:04 CST ERCOT has cancelled the following notice: ERCOT will perform a Market Management , Outage Scheduler and database upgrade. MMS and SCED will be unavailable starting at 15:36 with an estimated end time of 17:10. EMS emergency base-points will be enabled at 15:46. Market Submissions via Market Manager and Outage Scheduler will be unavailable from 15:25-17:20. Operational Information Cancelled
Mar 25 2015 14:59:07 CST ERCOT will perform a Market Management , Outage Scheduler and database upgrade. MMS and SCED will be unavailable starting at 15:36 with an estimated end time of 17:10. EMS emergency base-points will be enabled at 15:46. Market Submissions via Market Manager and Outage Scheduler will be unavailable from 15:25-17:20. Operational Information Active
Mar 25 2015 08:51:33 CST Daily reconfiguration SASM for Wednesday, March 25, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 25 2015 00:53:02 CST No sudden loss of generation greater than 450 MW occurred on 3/24/2015. Operational Information Active
Mar 24 2015 08:50:16 CST Daily reconfiguration SASM for Tuesday, March 24, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 24 2015 00:31:11 CST No sudden loss of generation greater than 450 MW occurred on 3/23/2015. Operational Information Active
Mar 23 2015 20:20:34 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 12:38 03/23/2015 through 17:00 03/24/2015 due to a forced outage. Operational Information Cancelled
Mar 23 2015 20:20:30 CST ERCOT has cancelled the following notice: The HVDC North DC Tie will be unavailable from 12:38 03/23/2015 and extended through 21:00 03/23/2015 due to a forced outage. Operational Information Cancelled
Mar 23 2015 20:20:25 CST ERCOT has cancelled the following notice: The HVDC North DC Tie will be unavailable from 12:38 03/23/2015 through 17:00 03/23/2015 due to a forced outage. Operational Information Cancelled
Mar 23 2015 20:04:47 CST DC Tie Outage: The North DC Tie will be unavailable from 12:38 03/23/2015 through 17:00 03/24/2015 due to a forced outage. Operational Information Active
Mar 23 2015 16:24:46 CST The HVDC North DC Tie will be unavailable from 12:38 03/23/2015 and extended through 21:00 03/23/2015 due to a forced outage. Operational Information Active
Mar 23 2015 14:18:33 CST DC Tie Outage: The HVDC North DC Tie will be unavailable from 12:38 03/23/2015 through 17:00 03/23/2015 due to a forced outage. Operational Information Active
Mar 23 2015 08:50:18 CST Daily reconfiguration SASM for Monday, March 23, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 23 2015 03:32:37 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 02:42 03/23/2015 through 23:59 03/23/2015 due to a forced outage. Operational Information Cancelled
Mar 23 2015 02:47:28 CST DC Tie Outage: The North DC Tie will be unavailable from 02:42 03/23/2015 through 23:59 03/23/2015 due to a forced outage. Operational Information Active
Mar 23 2015 00:27:51 CST No sudden loss of generation greater than 450 MW occurred on 3/22/2015. Operational Information Active
Mar 22 2015 08:48:14 CST Daily reconfiguration SASM for Sunday, March 22, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 22 2015 00:22:40 CST No sudden loss of generation greater than 450 MW occurred on 3/21/2015. Operational Information Active
Mar 22 2015 00:22:18 CST ERCOT has cancelled the following notice: No sudden loss of generation greater than 450 MW occurred on 3/21/2015. Operational Information Cancelled
Mar 22 2015 00:20:32 CST No sudden loss of generation greater than 450 MW occurred on 3/21/2015. Operational Information Active
Mar 21 2015 08:49:34 CST Daily reconfiguration SASM for Saturday, March 21, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 21 2015 00:29:52 CST No sudden loss of generation greater than 450 MW occurred on 3/20/2015. Operational Information Active
Mar 20 2015 08:48:17 CST Daily reconfiguration SASM for Friday, March 20, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 20 2015 00:05:53 CST No sudden loss of generation greater than 450 MW occurred on 3/19/2015. Operational Information Active
Mar 19 2015 08:48:48 CST Daily reconfiguration SASM for Thursday, March 19, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 19 2015 00:02:06 CST No sudden loss of generation greater than 450 MW occurred on 3/18/2015. Operational Information Active
Mar 18 2015 08:49:21 CST Daily Reconfiguration SASM for Wednesday, March 18, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 18 2015 01:28:04 CST ERCOT has cancelled the following notice: The Space Weather Prediction Center has extended the K-8 GMD Warning until 3/18/15 at 01:00 EST Operational Information Cancelled
Mar 18 2015 01:27:59 CST ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance storm of K-8. Advisory Cancelled
Mar 18 2015 00:15:13 CST No sudden loss of generation greater than 450 MW occurred on 3/17/2015. Operational Information Active
Mar 17 2015 20:33:21 CST Advisory issued for a geomagnetic disturbance storm of K-8. Advisory Active
Mar 17 2015 19:12:00 CST ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 from 3-17-2015 07:00 to 3-17-2015 11:00. Operational Information Cancelled
Mar 17 2015 19:11:17 CST ERCOT has cancelled the following notice: The Space Weather Prediction Center has extended the K-7 GMD Warning till further notice. Operational Information Cancelled
Mar 17 2015 19:11:08 CST ERCOT has cancelled the following notice: The Space Weather Prediction Center has updated the K-8 GMD Alert to a K-7 till further notice. Operational Information Cancelled
Mar 17 2015 19:10:39 CST The Space Weather Prediction Center has extended the K-8 GMD Warning until 3/18/15 at 01:00 EST Operational Information Active
Mar 17 2015 17:34:41 CST ERCOT has cancelled the following notice: The Parkway SPS has been taken out of service. Operational Information Cancelled
Mar 17 2015 16:04:20 CST ERCOT has cancelled the following notice: ERCOT has issued an Advisory for a GMD Alert of K-7 from 3-17-2015 07:00 to 12:00. It has now been upgraded to a K-8 until further notice. Operational Information Cancelled
Mar 17 2015 16:03:59 CST The Space Weather Prediction Center has updated the K-8 GMD Alert to a K-7 till further notice. Operational Information Active
Mar 17 2015 12:22:29 CST The Space Weather Prediction Center has extended the K-7 GMD Warning till further notice. Operational Information Active
Mar 17 2015 09:22:52 CST ERCOT has issued an Advisory for a GMD Alert of K-7 from 3-17-2015 07:00 to 12:00. It has now been upgraded to a K-8 until further notice. Operational Information Active
Mar 17 2015 08:48:58 CST Daily Reconfiguration SASM for Tuesday, March 17, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 17 2015 07:55:10 CST The Space Weather Prediction Center has issued a GMD Warning of K-7 from 3-17-2015 07:00 to 3-17-2015 11:00. Operational Information Active
Mar 17 2015 00:36:26 CST No sudden loss of generation greater than 450 MW occurred on 3/16/2015. Operational Information Active
Mar 16 2015 08:46:43 CST Daily reconfiguration SASM for Monday, March 16, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 16 2015 01:14:18 CST No sudden loss of generation greater than 450 MW occurred on 3/15/2015. Operational Information Active
Mar 15 2015 08:46:39 CST Daily reconfiguration SASM for Sunday, March 15, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 15 2015 06:37:33 CST The Parkway SPS has been taken out of service. Operational Information Active
Mar 15 2015 01:57:53 CST No sudden loss of generation greater than 450 MW occurred on 3/14/2015. Operational Information Active
Mar 14 2015 08:48:32 CST Daily reconfiguration SASM for Saturday, March 14, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 14 2015 06:44:27 CST The Parkway SPS has been taken out of service. Operational Information Active
Mar 14 2015 00:49:52 CST No sudden loss of generation greater than 450 MW occurred on 3/13/2015. Operational Information Active
Mar 13 2015 08:51:27 CST Daily reconfiguration SASM for Friday, March 13, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 13 2015 06:39:48 CST The Parkway SPS has been taken out of service. Operational Information Active
Mar 13 2015 00:02:47 CST No sudden loss of generation greater than 450 MW occurred on 3/12/2015. Operational Information Active
Mar 12 2015 08:47:37 CST Daily reconfiguration SASM for Thursday, March 12, 2015 will not be occurring due to zero participating QSEs Operational Information Active
Mar 12 2015 00:03:28 CST No sudden loss of generation greater than 450 MW occurred on 3/11/2015. Operational Information Active
Mar 11 2015 08:47:44 CST Daily reconfiguration SASM for Wednesday, March 11, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 11 2015 00:58:53 CST No sudden loss of generation greater than 450 MW occurred on 3/10/2015. Operational Information Active
Mar 10 2015 14:53:37 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 20:22 03/09/2015 through 23:59 03/10/2015 due to a forced outage. Operational Information Cancelled
Mar 10 2015 08:54:25 CST Daily reconfiguration SASM for Tuesday, March 10, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 10 2015 06:46:56 CST No sudden loss of generation greater than 450 MW occurred on 3/9/2015. Operational Information Active
Mar 09 2015 23:30:33 CST No sudden loss of generation greater than 450 MW occurred on 3/8/2015. Operational Information Active
Mar 09 2015 20:37:34 CST DC Tie Outage: The East DC Tie will be unavailable from 20:22 03/09/2015 through 23:59 03/10/2015 due to a forced outage. Operational Information Active
Mar 09 2015 14:10:16 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 22:00 03/08/2015 through 16:00 03/09/2015 due to a forced outage. Operational Information Cancelled
Mar 09 2015 08:47:23 CST Daily reconfiguration SASM for Monday, March 9, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 08 2015 22:51:56 CST DC Tie Outage: The East DC Tie will be unavailable from 22:00 03/08/2015 through 16:00 03/09/2015 due to a forced outage. Operational Information Active
Mar 08 2015 12:15:33 CST ERCOT has cancelled the following notice: The EAST DC Tie will be unavailable from 09:03 03/08/2015 through 23:59 03/08/2015 due to a forced outage. Operational Information Cancelled
Mar 08 2015 09:26:40 CST DC Tie Outage: The EAST DC Tie will be unavailable from 09:03 03/08/2015 through 23:59 03/08/2015 due to a forced outage. Operational Information Active
Mar 08 2015 08:56:07 CST Daily Reconfiguration SASM for Sunday, March 8, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 08 2015 04:07:06 CST No sudden loss of generation greater than 450 MW occurred on 3/7/2015 Operational Information Active
Mar 07 2015 08:50:09 CST Daily Reconfiguration SASM for Saturday, March 7, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 07 2015 03:20:19 CST No sudden loss of generation greater than 450 MW occurred on 3/6/2015 Operational Information Active
Mar 06 2015 08:49:22 CST Daily Reconfiguration SASM for Friday, March 6, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 06 2015 08:43:32 CST ERCOT has cancelled the following notice: ERCOT issued an Advisory for Thursday and Friday due to the cold weather system with freezing rain, sleet and snow forecasted for the North and West zones with reduced availability of generation due to the number of generators having already begun their spring outages. Operational Information Cancelled
Mar 06 2015 08:43:16 CST ERCOT has cancelled the following notice: ERCOT issued a Watch for Thursday until Friday at noon due to the cold weather system with freezing rain, sleet and snow forecasted for the North and West zones with reduced availability of generation due to the number of generators having already begun their spring outages. Watch Cancelled
Mar 06 2015 00:23:25 CST No sudden loss of generation greater than 450 MW occurred on 3/5/2015 Operational Information Active
Mar 05 2015 21:33:53 CST There will be an outage on the Laredo VFT (LARDVFT) Transformer VFT on Tuesday 03/10/15 from 08:00 until 16:00 Operational Information Active
Mar 05 2015 15:16:51 CST ERCOT will execute a SASM in 30 minutes for 3/5/2015 HE18 NSPIN 119.0mw, REGUP 24.1mw, RRS 81.7mw HE19 NSPIN 69.9mw, REGUP 94.4mw, RRS 63.1mw HE20 REGUP 129.8mw, RRS 37.0mw HE21 NSPIN 25.7mw, RRS 76.0mw HE22 NSPIN 234.0mw HE23 NSPIN 155.7mw, RRS 78.7mw HE24 NSPIN 122.0mw, RRS 82.0mw. Operational Information Active
Mar 05 2015 08:50:26 CST Daily Reconfiguration SASM for Thursday, March 5, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 05 2015 00:38:31 CST No sudden loss of generation greater than 450 MW occurred on 3/4/2015 Operational Information Active
Mar 04 2015 17:46:36 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 15:00 03/04/2015 through 18:00 03/04/2015 due to a forced outage. Operational Information Cancelled
Mar 04 2015 15:03:39 CST DC Tie Outage: The East DC Tie will be unavailable from 15:00 03/04/2015 through 18:00 03/04/2015 due to a forced outage. Operational Information Active
Mar 04 2015 15:02:58 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 08:30 03/04/2015 through 16:00 03/04/2015 due to a forced outage. Operational Information Cancelled
Mar 04 2015 09:57:23 CST ERCOT issued a Watch for Thursday until Friday at noon due to the cold weather system with freezing rain, sleet and snow forecasted for the North and West zones with reduced availability of generation due to the number of generators having already begun their spring outages. Watch Active
Mar 04 2015 09:08:57 CST DC Tie Outage: The East DC Tie will be unavailable from 08:30 03/04/2015 through 16:00 03/04/2015 due to a forced outage. Operational Information Active
Mar 04 2015 08:51:54 CST Daily Reconfiguration SASM for Wednesday, March 4, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 04 2015 00:55:39 CST No sudden loss of generation greater than 450 MW occurred on 03/03/2015. Operational Information Active
Mar 03 2015 10:36:17 CST ERCOT issued an Advisory for Thursday and Friday due to the cold weather system with freezing rain, sleet and snow forecasted for the North and West zones with reduced availability of generation due to the number of generators having already begun their spring outages. Operational Information Active
Mar 03 2015 08:48:53 CST Daily Reconfiguration SASM for Tuesday, March 3, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 03 2015 00:35:23 CST No sudden loss of generation greater than 450 MW occurred on 03/02/2015. Operational Information Active
Mar 02 2015 13:04:32 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 21:47 03/01/2015 through 23:58 03/02/2015 due to a forced outage. Operational Information Cancelled
Mar 02 2015 08:47:10 CST Daily Reconfiguration SASM for Monday, March 2, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 02 2015 00:12:19 CST DC Tie Outage: The East DC Tie will be unavailable from 21:47 03/01/2015 through 23:58 03/02/2015 due to a forced outage. Operational Information Active
Mar 02 2015 00:05:46 CST On 03/01/15, a sudden loss of generation occurred at 21:37 totaling 600 MW’s. Frequency declined to 59.896 Hz, ERCOT load was 42, 835 MW’s. Operational Information Active
Mar 01 2015 08:46:22 CST Daily Reconfiguration SASM for Sunday, March 1, 2015 will not be occurring due to zero participating QSEs. Operational Information Active
Mar 01 2015 00:01:15 CST On 02/28/15, a sudden loss of generation occurred at 06:35 totaling 452 MW’s. Frequency declined to 59.888 Hz, ERCOT load was 45, 867 MW’s. Operational Information Active