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.)

Apr 2014 May 2014 Jun 2014 Jul 2014 Aug 2014 Sep 2014
Date Message Type Status
Sep 16 2014 20:02:16 CST ERCOT has cancelled the following notice: ERCOT has taken manual actions for contingency DWALCAL8. This is due to a forced outage. The manual action was taken from 15:20 until 17:20 Operational Information Cancelled
Sep 16 2014 18:00:42 CST ERCOT has taken manual actions for contingency DWALCAL8. This is due to a forced outage. The manual action was taken from 15:20 until 17:20 Operational Information Active
Sep 16 2014 08:50:05 CST Daily reconfiguration SASM for Tuesday, September 16, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 16 2014 07:09:15 CST No sudden loss of generation greater than 450 MW occurred on 09/15/14. Operational Information Active
Sep 15 2014 08:46:54 CST Daily reconfiguration SASM for Monday, September 15, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 15 2014 06:41:06 CST No sudden loss of generation greater than 450 MW occurred on 09/14/14. Operational Information Active
Sep 14 2014 08:47:13 CST Daily Reconfiguration SASM for Sunday, September 14, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 14 2014 07:18:40 CST No sudden loss of generation greater than 450 MW occurred on 09/13/14. Operational Information Active
Sep 13 2014 11:07:32 CST ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance storm of K-7 or higher. Sept 13, 2014 through 11:00 Central. Operational Information Cancelled
Sep 13 2014 10:15:09 CST ERCOT has cancelled the following notice: Canceled the Advisory for a geomagnetic disturbance storm of K-7 or higher. Sept 13, 2014 at 01:00 Central. Operational Information Cancelled
Sep 13 2014 10:14:43 CST ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance storm of K-7 or higher. Sept 12, 2014 at 18:34 through Sept 13, 2014 01:00 Central. Advisory Cancelled
Sep 13 2014 08:49:04 CST Daily Reconfiguration SASM for Saturday, September 13, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 13 2014 07:37:12 CST No sudden loss of generation greater than 450 MW occurred on 09/12/14. Operational Information Active
Sep 13 2014 02:25:16 CST Advisory issued for a geomagnetic disturbance storm of K-7 or higher. Sept 13, 2014 through 11:00 Central. Operational Information Active
Sep 13 2014 01:04:32 CST Canceled the Advisory for a geomagnetic disturbance storm of K-7 or higher. Sept 13, 2014 at 01:00 Central. Operational Information Active
Sep 12 2014 19:06:49 CST Advisory issued for a geomagnetic disturbance storm of K-7 or higher. Sept 12, 2014 at 18:34 through Sept 13, 2014 01:00 Central. Advisory Active
Sep 12 2014 08:48:12 CST Daily Reconfiguration SASM for Friday, September 12, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 12 2014 07:20:58 CST On 09/11/14, a sudden loss of generation occurred at 06:41 totaling 630 MW. Frequency declined to 59.875 Hz, ERCOT load was 42, 648 MW. At 07:33, another sudden loss of generation occurred totaling 574 MW. Frequency declined to 59.886 Hz, ERCOT load was 42, 720 MW. Operational Information Active
Sep 12 2014 05:09:36 CST ERCOT is working from primary control center. Operational Information Active
Sep 12 2014 05:08:38 CST ERCOT has cancelled the following notice: Ercot beginning 1650 09/11/14 will be conducting primary operations from Alternate Control Center until further notice. Operational Information Cancelled
Sep 11 2014 16:58:03 CST Ercot beginning 1650 09/11/14 will be conducting primary operations from Alternate Control Center until further notice. Operational Information Active
Sep 11 2014 08:47:04 CST Daily reconfiguration SASM for Thursday, September 11, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 11 2014 06:56:11 CST No sudden loss of generation greater than 450 MW occurred on 09/10/14. Operational Information Active
Sep 10 2014 11:15:19 CST ERCOT has cancelled the following notice: 0345 ERCOT has issued an OCN for possible capacity shortage for hours ending 1600-1900. Operational Information Cancelled
Sep 10 2014 08:46:45 CST Daily reconfiguration SASM for Wednesday, September 10, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 10 2014 07:07:00 CST No sudden loss of generation greater than 450 MW occurred on 09/09/14. Operational Information Active
Sep 10 2014 03:50:43 CST 0345 ERCOT has issued an OCN for possible capacity shortage for hours ending 1600-1900. Operational Information Active
Sep 09 2014 08:53:03 CST Daily reconfiguration SASM for Tuesday, September 09, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 09 2014 06:53:32 CST No sudden loss of generation greater than 450 MW occurred on 09/08/14. Operational Information Active
Sep 08 2014 21:29:48 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 08:00 09/08/2014 through 20:00 09/08/2014 due to a planned outage. Operational Information Cancelled
Sep 08 2014 08:48:09 CST Daily reconfiguration SASM for Monday, September 08, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 08 2014 06:49:33 CST No sudden loss of generation greater than 450 MW occurred on 09/07/14. Operational Information Active
Sep 07 2014 09:01:19 CST No sudden loss of generation greater than 450 MW occurred on 09/06/14. Operational Information Active
Sep 07 2014 08:50:08 CST Daily reconfiguration SASM for Sunday, September 07, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 06 2014 08:50:20 CST Daily reconfiguration SASM for Saturday, September 06, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 06 2014 07:42:06 CST No sudden loss of generation greater than 450 MW occurred on 09/05/14. Operational Information Active
Sep 06 2014 00:40:50 CST ERCOT has cancelled the following notice: ERCOT's RTCA and State Estimator have not solved in the last 15 minutes. Please monitor your own service area and notify ERCOT if you exceed the normal rating of your transmission elements. Continue to monitor voltages in your area and notify ERCOT of any forced line operations in your area. Advisory Cancelled
Sep 06 2014 00:14:42 CST Loss of ERCOTs RTCA and SE > 15 minutes: ERCOT's RTCA and State Estimator have not solved in the last 15 minutes. Please monitor your own service area and notify ERCOT if you exceed the normal rating of your transmission elements. Continue to monitor voltages in your area and notify ERCOT of any forced line operations in your area. Advisory Active
Sep 05 2014 08:55:03 CST Daily reconfiguration SASM for Friday, September 05, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 05 2014 07:12:26 CST No sudden loss of generation greater than 450 MW occurred on 09/04/14. Operational Information Active
Sep 04 2014 08:46:54 CST Daily Reconfiguration SASM for Thursday, September 4, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 04 2014 05:41:37 CST On 09/03/14, a sudden loss of generation occurred at 10:38 totaling 450 MW. Frequency declined to 59.915 Hz, ERCOT load was 50, 811 MW. At 14:38, another sudden loss of generation occurred totaling 930 MW. Frequency declined to 59.834 Hz, ERCOT load was 59, 600 MW. Operational Information Active
Sep 03 2014 08:46:44 CST Daily Reconfiguration SASM for Wednesday, September 3, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 03 2014 07:50:22 CST No sudden loss of generation greater than 450 MW occurred on 09/02/14. Operational Information Active
Sep 02 2014 15:00:30 CST DC Tie Outage: The North DC Tie will be unavailable from 08:00 09/08/2014 through 20:00 09/08/2014 due to a planned outage. Operational Information Active
Sep 02 2014 08:50:59 CST Daily Reconfiguration SASM for Tuesday, September 2, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 02 2014 06:39:24 CST No sudden loss of generation greater than 450 MW occurred on 09/01/14. Operational Information Active
Sep 01 2014 08:56:51 CST Daily Reconfiguration SASM for Monday, September 1, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 01 2014 08:13:21 CST ERCOT has cancelled the following notice: Daily Reconfiguration SASM for Monday, September 1, 2014 will not be occurring due to zero participating QSEs. Operational Information Cancelled
Sep 01 2014 07:48:07 CST Daily Reconfiguration SASM for Monday, September 1, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 01 2014 06:48:05 CST No sudden loss of generation greater than 450 MW occurred on 08/31/14. Operational Information Active