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.)

    Aug 2016 Sep 2016 Oct 2016 Nov 2016 Dec 2016 Jan 2017
    Date Message Type Status
    Jan 23 2017 18:18:29 CST DC Tie Outage: The Railroad (DC_R) DC Tie will be unavailable from 18:04 01/23/2017 through 06:59 01/30/2017 due to a forced outage. Operational Information Active
    Jan 23 2017 08:48:27 CST The Daily RSASM for Monday, January 23, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 23 2017 08:42:37 CST The Barney Davis RAS has been taken out of service/removed from RTCA Operational Information Active
    Jan 23 2017 00:45:52 CST No sudden loss of generation greater than 450 MW occurred on 01/22/2017. Operational Information Active
    Jan 22 2017 08:48:55 CST The Daily RSASM for Sunday, January 22, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 22 2017 01:06:00 CST No sudden loss of generation greater than 450 MW occurred on 01/21/2017. Operational Information Active
    Jan 21 2017 08:47:25 CST The Daily RSASM for Saturday, January 21, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 21 2017 01:18:31 CST No sudden loss of generation greater than 450 MW occurred on 01/20/2017. Operational Information Active
    Jan 20 2017 14:18:22 CST The Eagle Pass DC Tie has been returned to service and is available. Operational Information Active
    Jan 20 2017 14:12:42 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 23:56 01/17/2017 through 20:00 01/23/2017 due to a forced outage. Operational Information Cancelled
    Jan 20 2017 08:46:46 CST The Daily RSASM for Friday, January 20, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 20 2017 00:02:55 CST No sudden loss of generation greater than 450 MW occurred on 01/19/2017. Operational Information Active
    Jan 19 2017 08:57:55 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 23:56 01/17/2017 through 20:00 01/23/2017 due to a forced outage. Operational Information Active
    Jan 19 2017 08:49:57 CST The Daily RSASM for Thursday, January 19, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 19 2017 00:22:59 CST No sudden loss of generation greater than 450 MW occurred on 01/18/2017. Operational Information Active
    Jan 18 2017 22:48:57 CST ERCOT has cancelled the following notice: ERCOT working from alternate control center at 04:40. Operational Information Cancelled
    Jan 18 2017 08:50:53 CST The Daily RSASM for Wednesday, January 18, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 18 2017 04:37:42 CST ERCOT working from primary control center in Taylor at 04:31. Operational Information Active
    Jan 18 2017 00:42:33 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 23:56 01/17/2017 through 12:00 01/19/2017 due to a forced outage. Operational Information Active
    Jan 18 2017 00:34:58 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 22:56 01/17/2017 through 12:00 01/19/2017 due to a forced outage. Operational Information Active
    Jan 18 2017 00:08:32 CST No sudden loss of generation greater than 450 MW occurred on 01/17/2017. Operational Information Active
    Jan 17 2017 08:52:41 CST The Daily RSASM for Tuesday, January 17, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 17 2017 00:01:57 CST No sudden loss of generation greater than 450 MW occurred on 01/16/2017. Operational Information Active
    Jan 16 2017 08:50:34 CST The Daily RSASM for Monday, January 16, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 16 2017 04:42:55 CST ERCOT working from alternate control center at 04:40. Operational Information Active
    Jan 16 2017 00:07:26 CST No sudden loss of generation greater than 450 MW occurred on 01/15/2017. Operational Information Active
    Jan 15 2017 08:48:12 CST The Daily RSASM for Sunday, January 15, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 15 2017 00:34:18 CST No sudden loss of generation greater than 450 MW occurred on 01/14/2017. Operational Information Active
    Jan 14 2017 08:56:11 CST The Daily RSASM for Saturday, January 14, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 14 2017 04:05:42 CST ERCOT has cancelled the following notice: At 21:10, ERCOT is issuing an OCN for projected reserve capacity shortage for 01/13/17 HE23-HE04 on 01/14/17. Operational Information Cancelled
    Jan 14 2017 03:35:33 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
    Jan 14 2017 00:23:47 CST No sudden loss of generation greater than 450 MW occurred on 01/13/2017. Operational Information Active
    Jan 14 2017 00:23:01 CST ERCOT has cancelled the following notice: At 16:40 ERCOT is working from alternate control center. Operational Information Cancelled
    Jan 13 2017 21:18:42 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
    Jan 13 2017 21:18:05 CST At 21:10, ERCOT is issuing an OCN for projected reserve capacity shortage for 01/13/17 HE23-HE04 on 01/14/17. Operational Information Active
    Jan 13 2017 08:51:30 CST The Daily RSASM for Friday, January 13, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 13 2017 04:24:45 CST ERCOT is working from the primary control center. Operational Information Active
    Jan 13 2017 00:36:24 CST No sudden loss of generation greater than 450 MW occurred on 01/12/2017. Operational Information Active
    Jan 12 2017 16:42:20 CST At 16:40 ERCOT is working from alternate control center. Operational Information Active
    Jan 12 2017 08:50:27 CST The Daily RSASM for Thursday, January 12, 2017 did not occur due to zero participating QSEs. Operational Information Active
    Jan 12 2017 00:46:00 CST No sudden loss of generation greater than 450 MW occurred on 01/11/2017. Operational Information Active
    Jan 11 2017 12:42:45 CST ERCOT has cancelled the following notice: The Wirtz RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
    Jan 11 2017 08:47:27 CST The Daily RSASM for Wednesday, January 11, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 11 2017 00:47:14 CST No sudden loss of generation greater than 450 MW occurred on 01/10/2017. Operational Information Active
    Jan 10 2017 08:54:05 CST The Daily RSASM for Tuesday, January 10, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 10 2017 02:00:27 CST No sudden loss of generation greater than 450 MW occurred on 01/09/2017. Operational Information Active
    Jan 09 2017 09:52:03 CST The Wirtz RAS has been taken out of service/removed from RTCA. Operational Information Active
    Jan 09 2017 08:48:09 CST The Daily RSASM for Monday, January 09, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 09 2017 03:12:52 CST No sudden loss of generation greater than 450 MW occurred on 01/08/2017 Operational Information Active
    Jan 08 2017 11:00:05 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for colder than expected temperatures along with freezing precipitation in portions of the ERCOT region. Advisory Cancelled
    Jan 08 2017 08:51:18 CST The Daily RSASM for Sunday, January 8, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 08 2017 04:09:38 CST No sudden loss of generation greater than 450 MW occurred on 01/07/2017 Operational Information Active
    Jan 07 2017 08:47:33 CST The Daily RSASM for Saturday, January 7, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 07 2017 00:24:03 CST On JAN 6, 2017 a sudden loss of generation occurred at 23:59 totaling 758 MW. Frequency declined to 59.891 Hz, ERCOT load was 54, 175 MW. Operational Information Active
    Jan 06 2017 09:02:18 CST ERCOT is issuing an Advisory for colder than expected temperatures along with freezing precipitation in portions of the ERCOT region. Advisory Active
    Jan 06 2017 08:48:20 CST The Daily RSASM for Friday, January 6, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 06 2017 02:52:13 CST No sudden loss of generation greater than 450 MW occurred on 01/05/2017 Operational Information Active
    Jan 05 2017 08:51:41 CST The Daily RSASM for Thursday, January 5, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 05 2017 01:03:20 CST No sudden loss of generation greater than 450 MW occurred on 01/04/2017 Operational Information Active
    Jan 04 2017 08:53:02 CST The Daily RSASM for Wednesday, January 4, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 04 2017 05:23:08 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 04:45 for operating day 01/04/2017 for REGDN HE07-20 40 MW HE21 52 MW HE22, 23 50 MW HE24 49 MW RRS HE10-13, 20-24 8 MW HE14-19 9 MW. Operational Information Cancelled
    Jan 04 2017 04:18:44 CST ERCOT will execute a SASM at 04:45 for operating day 01/04/2017 for REGDN HE07-20 40 MW HE21 52 MW HE22, 23 50 MW HE24 49 MW RRS HE10-13, 20-24 8 MW HE14-19 9 MW. Operational Information Active
    Jan 04 2017 02:00:43 CST No sudden loss of generation greater than 450 MW occurred on 01/03/2017 Operational Information Active
    Jan 03 2017 22:43:38 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 22:15 for operating day 01/04/2017 for HE01-05 RRS 13.3 MW and REGDN HE01, 02 52 MW HE03 51 MW HE04, 05 50 MW. Operational Information Cancelled
    Jan 03 2017 21:40:51 CST ERCOT will execute a SASM at 22:15 for operating day 01/04/2017 for HE01-05 RRS 13.3 MW and REGDN HE01, 02 52 MW HE03 51 MW HE04, 05 50 MW. Operational Information Active
    Jan 03 2017 08:57:06 CST The Daily RSASM for Tuesday, January 3, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 03 2017 01:45:22 CST No sudden loss of generation greater than 450 MW occurred on 01/02/2017 Operational Information Active
    Jan 02 2017 08:48:03 CST The Daily RSASM for Monday, January 2, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 02 2017 00:02:14 CST No sudden loss of generation greater than 450 MW occurred on 01/01/2017. Operational Information Active
    Jan 01 2017 08:47:48 CST The Daily RSASM for Sunday, January 1, 2017 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 01 2017 00:01:28 CST No sudden loss of generation greater than 450 MW occurred on 12/31/2016. Operational Information Active