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.)

May 2014 Jun 2014 Jul 2014 Aug 2014 Sep 2014 Oct 2014
Date Message Type Status
Oct 22 2014 08:47:45 CST Daily reconfiguration SASM for Wednesday, October 22, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 22 2014 08:37:56 CST No sudden loss of generation greater than 450 MW occurred on 10/21/14. Operational Information Active
Oct 21 2014 14:01:41 CST DC Tie Outage: The North DC Tie will be unavailable from 07:00 10/27/2014 through 17:30 10/30/2014 due to a planned outage. Operational Information Active
Oct 21 2014 08:49:45 CST Daily reconfiguration SASM for Tuesday, October 21, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 21 2014 07:26:05 CST No sudden loss of generation greater than 450 MW occurred on 10/20/14. Operational Information Active
Oct 20 2014 10:46:07 CST ERCOT has cancelled the following notice: ERCOT is taking manual action for the DCALSKY8 constraint. Operational Information Cancelled
Oct 20 2014 10:03:33 CST ERCOT is taking manual action for the DCALSKY8 constraint. Operational Information Active
Oct 20 2014 08:49:48 CST Daily reconfiguration SASM for Monday, October 20, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 20 2014 06:53:59 CST No sudden loss of generation greater than 450 MW occurred on 10/19/14. Operational Information Active
Oct 19 2014 08:51:29 CST Daily reconfiguration SASM for Sunday, October 19, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 19 2014 07:56:49 CST No sudden loss of generation greater than 450 MW occurred on 10/18/14. Operational Information Active
Oct 18 2014 21:53:40 CST ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 19:00 10/18/2014 through 06:00 10/19/2014 due to a forced outage. Operational Information Cancelled
Oct 18 2014 19:54:26 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 19:00 10/18/2014 through 06:00 10/19/2014 due to a forced outage. Operational Information Active
Oct 18 2014 09:46:05 CST No sudden loss of generation greater than 450 MW occurred on 10/17/14. Operational Information Active
Oct 18 2014 08:50:05 CST Daily reconfiguration SASM for Saturday, October 18, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 17 2014 08:52:32 CST Daily reconfiguration SASM for Friday, October 17, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 17 2014 07:48:44 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions for XMDL58 constraint. Operational Information Cancelled
Oct 17 2014 07:36:42 CST No sudden loss of generation greater than 450 MW occurred on 10/16/14. Operational Information Active
Oct 17 2014 06:32:28 CST ERCOT is taking manual actions for XMDL58 constraint. Operational Information Active
Oct 17 2014 04:48:43 CST ERCOT is working from primary control center. Operational Information Active
Oct 17 2014 04:48:07 CST ERCOT has cancelled the following notice: ERCOT is working from their Alternate Control Center. Operational Information Cancelled
Oct 16 2014 19:48:23 CST ERCOT has cancelled the following notice: SWE1001/Group HVDC is a continuous outage on the Monticello SES (MNSES) to Welsh (WLSH) 345kV circuit DC_E1 starting on Tuesday 10/14/14 at 07:30 until Wednesday 10/15/14 at 16:00 for line maintenance. Operational Information Cancelled
Oct 16 2014 19:47:44 CST ERCOT has cancelled the following notice: SLN5388/Group RRD1 is a one day outage on the Railroad (RAILROAD) HVDC Tie on Breakers 8371 and 8372 with associated disconnects starting on Monday 10/13/14 at 09:00 until 17:00. Operational Information Cancelled
Oct 16 2014 17:20:12 CST ERCOT is working from their Alternate Control Center. Operational Information Active
Oct 16 2014 08:48:26 CST Daily Reconfiguration SASM for Thursday, October 16, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 16 2014 08:00:29 CST No sudden loss of generation greater than 450 MW occurred on 10/15/14. Operational Information Active
Oct 15 2014 10:38:03 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 07:30 10/14/2014 through 16:00 10/15/2014 due to a planned outage. Operational Information Cancelled
Oct 15 2014 09:02:26 CST No sudden loss of generation greater than 450 MW occurred on 10/14/14. Operational Information Active
Oct 15 2014 08:48:19 CST Daily Reconfiguration SASM for Wednesday, October 15, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 14 2014 14:34:25 CST DC Tie Outage: The Eagle_Pass DC Tie will be unavailable from 11:00 10/17/2014 through 16:00 10/17/2014 due to a planned outage. Operational Information Active
Oct 14 2014 08:47:22 CST Daily Reconfiguration SASM for Tuesday, October 14, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 14 2014 07:27:22 CST ERCOT has cancelled the following notice: The Railroad DC Tie will be unavailable from 09:00 10/13/2014 through 17:00 10/13/2014 due to a planned outage. Operational Information Cancelled
Oct 14 2014 07:08:05 CST On 10/13/14, a sudden loss of generation occurred at 08:27 totaling 568 MW. Frequency declined to 59.879 Hz, ERCOT load was 36, 630 MW. Operational Information Active
Oct 13 2014 08:46:25 CST Daily reconfiguration SASM for Monday, October 13, 2014 will not be occurring due to zero participating QSEs Operational Information Active
Oct 13 2014 06:44:08 CST On 10/12/14, a sudden loss of generation occurred at 16:00 totaling 440 MW. Frequency declined to 59.908 Hz, ERCOT load was 37, 298 MW. Operational Information Active
Oct 12 2014 08:53:30 CST Daily reconfiguration SASM for Sunday, October 12, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 12 2014 07:52:41 CST No sudden loss of generation greater than 450 MW occurred on 10/11/14. Operational Information Active
Oct 11 2014 08:48:45 CST Daily reconfiguration SASM for Saturday, October 11, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 11 2014 07:06:02 CST DC Tie Outage: The East DC Tie will be unavailable from 07:30 10/14/2014 through 16:00 10/15/2014 due to a planned outage. Operational Information Active
Oct 11 2014 07:04:19 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 09:00 10/13/2014 through 17:00 10/13/2014 due to a planned outage. Operational Information Active
Oct 11 2014 06:38:16 CST On 10/10/14, a sudden loss of generation occurred at 16:16 totaling 462 MW. Frequency declined to 59.932 Hz, ERCOT load was 55, 160 MW. Operational Information Active
Oct 10 2014 16:27:47 CST SLN5388/Group RRD1 is a one day outage on the Railroad (RAILROAD) HVDC Tie on Breakers 8371 and 8372 with associated disconnects starting on Monday 10/13/14 at 09:00 until 17:00. Operational Information Active
Oct 10 2014 14:37:48 CST SWE1001/Group HVDC is a continuous outage on the Monticello SES (MNSES) to Welsh (WLSH) 345kV circuit DC_E1 starting on Tuesday 10/14/14 at 07:30 until Wednesday 10/15/14 at 16:00 for line maintenance. Operational Information Active
Oct 10 2014 08:52:06 CST Daily reconfiguration SASM for Friday, October 10, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 10 2014 06:40:23 CST On 10/09/14, a sudden loss of generation occurred at 13:31 totaling 754 MW. Frequency declined to 59.827 Hz, ERCOT load was 51, 700 MW. Operational Information Active
Oct 10 2014 04:05:19 CST At 0334 the DC_R is available for operation up to -170mws/170mws Operational Information Active
Oct 09 2014 09:41:01 CST ERCOT has cancelled the following notice: ERCOT is issuing a Transmission Emergency Notice for Rio Grande Valley due to Reliability Margins below 95. Operational Information Cancelled
Oct 09 2014 08:46:10 CST Daily Reconfiguration SASM for Thursday, October 09, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 09 2014 08:31:34 CST On 10/08/14, a sudden loss of generation occurred at 15:51 totaling 659 MW. Frequency declined to 59.864 Hz, ERCOT load was 54, 346 MW. Operational Information Active
Oct 09 2014 07:03:33 CST ERCOT is issuing a Transmission Emergency Notice for Rio Grande Valley due to Reliability Margins below 95. Operational Information Active
Oct 09 2014 07:02:20 CST ERCOT is issuing an Emergency Notice for Rio Grande Valley due to Reliability Margins below 95. Emergency Notice Active
Oct 08 2014 19:13:50 CST ERCOT has cancelled the following notice: ERCOT is issuing a transmission emergency for the Rio Grande Valley due to forced outages causing low voltages. Emergency Notice Cancelled
Oct 08 2014 16:12:12 CST ERCOT is issuing a transmission emergency for the Rio Grande Valley due to forced outages causing low voltages. Emergency Notice Active
Oct 08 2014 08:50:54 CST Daily Reconfiguration SASM for Wednesday, October 08, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 08 2014 07:00:42 CST No sudden loss of generation greater than 450 MW occurred on 10/07/14. Operational Information Active
Oct 07 2014 08:46:11 CST Daily Reconfiguration SASM for Tuesday, October 07, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 07 2014 07:35:38 CST No sudden loss of generation greater than 450 MW occurred on 10/06/14. Operational Information Active
Oct 07 2014 07:20:29 CST ERCOT has cancelled the following notice: The Rail Road DC Tie will be unavailable from 23:50 10/04/2014 through 00:00 10/11/2014 due to a forced outage. Operational Information Cancelled
Oct 06 2014 08:47:31 CST Daily Reconfiguration SASM for Monday, October 06, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 06 2014 08:21:04 CST No sudden loss of generation greater than 450 MW occurred on 10/05/14. Operational Information Active
Oct 05 2014 08:48:26 CST Daily Reconfiguration SASM for Sunday, October 05, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 05 2014 08:18:03 CST No sudden loss of generation greater than 450 MW occurred on 10/04/14. Operational Information Active
Oct 04 2014 23:56:49 CST DC Tie Outage: The Rail Road DC Tie will be unavailable from 23:50 10/04/2014 through 00:00 10/11/2014 due to a forced outage. Operational Information Active
Oct 04 2014 07:38:52 CST No sudden loss of generation greater than 450 MW occurred on 10/03/14. Operational Information Active
Oct 03 2014 20:31:31 CST ERCOT has cancelled the following notice: ERCOT has been notified that the North DC Tie has been derated to 37 MW Export due to RTU problems until further notice. Operational Information Cancelled
Oct 03 2014 20:01:23 CST ERCOT has been notified that the North DC Tie has been derated to 37 MW Export due to RTU problems until further notice. Operational Information Active
Oct 03 2014 19:55:03 CST ERCOT has been notified that the North DC Tie has been derated to 37 MW Import/Export due to RTU problems until further notice. Operational Information Active
Oct 03 2014 08:58:10 CST Daily Reconfiguration SASM for Friday, October 03, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 03 2014 07:18:04 CST No sudden loss of generation greater than 450 MW occurred on 10/02/14. Operational Information Active
Oct 02 2014 08:48:36 CST Daily Reconfiguration SASM for Thursday, October 02, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 02 2014 07:07:58 CST No sudden loss of generation greater than 450 MW occurred on 10/01/14. Operational Information Active
Oct 01 2014 11:50:35 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 08:00 10/07/2014 through 17:00 10/17/2014 due to a planned outage. Operational Information Active
Oct 01 2014 08:46:16 CST Daily Reconfiguration SASM for Wednesday, October 01, 2014 will not be occurring due to zero participating QSEs. Operational Information Active
Oct 01 2014 07:13:04 CST No sudden loss of generation greater than 450 MW occurred on 09/30/14. Operational Information Active
Oct 01 2014 02:54:31 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 0200 10/01/2014 until further notice due to a forced outage. Operational Information Cancelled
Oct 01 2014 02:04:41 CST The East DC Tie will be unavailable from 0200 10/01/2014 until further notice due to a forced outage. Operational Information Active