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Operations Messages

This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. (Subscribe to Operations MessagesFeed RSS feed.)

Nov 2015 Dec 2015 Jan 2016 Feb 2016 Mar 2016 Apr 2016
Date Message Type Status
Apr 29 2016 08:48:22 CST Daily RSASM for Friday, April 29, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 29 2016 04:45:43 CST The RAILROAD DC Tie was restored to full capacity of 300mw as of 4/28/16 at 1636. Operational Information Active
Apr 29 2016 02:04:28 CST No sudden loss of generation greater than 450 MW occurred on 04/28/2016. Operational Information Active
Apr 28 2016 08:48:03 CST Daily RSASM for Thursday, April 28, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 28 2016 01:49:41 CST No sudden loss of generation greater than 450 MW occurred on 04/27/2016. Operational Information Active
Apr 27 2016 11:11:58 CST ERCOT has canceled OCN for a Forecasted Probability Wind Generation Large Down Ramp Event of 4000mws in a 180min period. It is believed ERCOT has sufficient ramping capability. OCN Active
Apr 27 2016 09:36:16 CST Daily RSASM for Wednesday, April 27, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 27 2016 07:13:57 CST OCN issued for a Forecasted Probability Wind Generation Large Down Ramp Event of 4000mws in a 180min period. It is believed ERCOT has sufficient ramping capability. Operational Information Active
Apr 27 2016 04:21:41 CST No sudden loss of generation greater than 450 MW occurred on 04/26/2016. Operational Information Active
Apr 26 2016 08:49:30 CST Daily RSASM for Tuesday, April 26, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 26 2016 02:03:55 CST No sudden loss of generation greater than 450 MW occurred on 04/25/2016. Operational Information Active
Apr 25 2016 08:46:57 CST Daily RSASM for Monday, April 25, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 25 2016 00:09:28 CST No sudden loss of generation greater than 450 MW occurred on 04/24/2016. Operational Information Active
Apr 24 2016 08:47:55 CST Daily RSASM for Sunday, April 24, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 24 2016 00:10:20 CST No sudden loss of generation greater than 450 MW occurred on 04/23/2016. Operational Information Active
Apr 23 2016 08:46:31 CST Daily RSASM for Saturday, April 23, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 23 2016 05:14:57 CST ERCOT has cancelled the following notice: “ERCOT has been notified that the EAST DC Tie has been derated to 400 MW Import/Export due to loss of a generating unit until further notice.” Operational Information Cancelled
Apr 23 2016 00:15:54 CST No sudden loss of generation greater than 450 MW occurred on 04/22/2016. Operational Information Active
Apr 22 2016 15:19:49 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 08:00 04/18/2016 through 16:00 04/22/2016 due to a planned outage. Operational Information Cancelled
Apr 22 2016 09:12:13 CST “ERCOT has been notified that the EAST DC Tie has been derated to 400 MW Import/Export due to loss of a generating unit until further notice.” Operational Information Active
Apr 22 2016 08:45:47 CST Daily RSASM for Friday, April 22, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 22 2016 06:39:19 CST DC Tie Outage: The North DC Tie will be unavailable from 08:00 04/18/2016 through 16:00 04/22/2016 due to a planned outage. Operational Information Active
Apr 22 2016 06:37:54 CST ERCOT has cancelled the following notice: The north DC Tie will be unavailable from 08:00 04/18/2016 through 23:59 04/22/2016 due to a planned outage. Operational Information Cancelled
Apr 22 2016 06:13:57 CST No sudden loss of generation greater than 450 MW occurred on 04/21/2016. Operational Information Active
Apr 21 2016 11:07:40 CST ERCOT has cancelled the following notice: The Barney Davis SPS has been taken out of service/removed from RTCA. Operational Information Cancelled
Apr 21 2016 08:50:03 CST Daily RSASM for Thursday, April 21, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 21 2016 02:38:48 CST No sudden loss of generation greater than 450 MW occurred on 04/20/2016. Operational Information Active
Apr 20 2016 18:51:43 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 20 2016 15:48:16 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 20 2016 08:47:36 CST Daily RSASM for Wednesday, April 20, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 20 2016 03:15:38 CST No sudden loss of generation greater than 450 MW occurred on 04/19/2016. Operational Information Active
Apr 19 2016 18:36:31 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 19 2016 18:36:24 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 19 2016 13:08:52 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 19 2016 13:05:20 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 19 2016 10:53:48 CST Sharyland extended the outage on DC_R #2 to 04/27 at 1700. It is still derated to 150mws in or out. Operational Information Active
Apr 19 2016 08:47:30 CST Daily RSASM for Tuesday, April 19, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 19 2016 07:02:44 CST The Barney Davis SPS has been taken out of service/removed from RTCA. Operational Information Active
Apr 19 2016 03:12:39 CST No sudden loss of generation greater than 450 MW occurred on 04/18/2016. Operational Information Active
Apr 18 2016 18:53:55 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 18 2016 11:01:39 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 18 2016 08:48:10 CST Daily RSASM for Monday, April 18, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 18 2016 08:17:55 CST Sharyland (Braydon) reports the DC_R is derated for an outage on the #2 side. The DC_R is derated to 150mws in or out until HE 1700 4/22/16. Operational Information Active
Apr 18 2016 08:10:48 CST DC Tie Outage: The north DC Tie will be unavailable from 08:00 04/18/2016 through 23:59 04/22/2016 due to a planned outage. Operational Information Active
Apr 18 2016 00:09:39 CST On 4/17/2016, a sudden loss of generation occurred at 23:31 totaling 768 MW. Frequency declined to 59.808 Hz, ERCOT load was 31, 979 MW. Operational Information Active
Apr 17 2016 13:02:33 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 17 2016 08:51:51 CST Daily RSASM for Sunday, April 17, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 17 2016 00:25:36 CST No sudden loss of generation greater than 450 MW occurred on 04/16/2016. Operational Information Active
Apr 16 2016 08:50:24 CST Daily RSASM for Saturday, April 16, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 16 2016 00:23:41 CST No sudden loss of generation greater than 450 MW occurred on 04/15/2016. Operational Information Active
Apr 15 2016 08:51:21 CST Daily RSASM for Friday, April 15, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 15 2016 04:34:58 CST ERCOT is working from primary control center. Operational Information Active
Apr 15 2016 00:14:58 CST No sudden loss of generation greater than 450 MW occurred on 04/14/2016. Operational Information Active
Apr 14 2016 18:17:42 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 14 2016 16:03:52 CST Eagle Pass HVDC Tie has ended planned outage and is available for scheduling as of 1554 04/14/2016. Operational Information Active
Apr 14 2016 10:51:31 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 14 2016 08:50:56 CST Daily RSASM for Thursday, April 14, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 14 2016 00:08:58 CST No sudden loss of generation greater than 450 MW occurred on 04/13/2016. Operational Information Active
Apr 13 2016 09:30:24 CST ERCOT has cancelled the following notice: Barney Davis SPS has been taken out of service. Operational Information Cancelled
Apr 13 2016 08:48:14 CST The Daily RSASM for Wednesday, April 13, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 13 2016 08:16:56 CST Barney Davis SPS has been taken out of service. Operational Information Active
Apr 13 2016 00:15:33 CST No sudden loss of generation greater than 450 MW occurred on 04/12/2016. Operational Information Active
Apr 12 2016 15:06:05 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 12 2016 10:47:11 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 12 2016 08:46:39 CST The Daily RSASM for Tuesday, April 12 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 12 2016 00:04:10 CST No sudden loss of generation greater than 450 MW occurred on 04/11/2016. Operational Information Active
Apr 11 2016 16:34:33 CST Railroad DC tie will be derated to 150 mw import and export 04/18/2016 @ 0800 until 04/22/2016 @ 1900 for planned maintenance. Operational Information Active
Apr 11 2016 16:32:58 CST ERCOT has cancelled the following notice: Railroad DC tie will be derated to 150 mw into and out of ERCOT 04/18/2016 @ 0800 until 04/22/2016 @ 1900. Operational Information Cancelled
Apr 11 2016 16:31:26 CST Railroad DC tie will be derated to 150 mw into and out of ERCOT 04/18/2016 @ 0800 until 04/22/2016 @ 1900. Operational Information Active
Apr 11 2016 08:46:48 CST The Daily RSASM for Monday, April 11 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 11 2016 00:04:50 CST No sudden loss of generation greater than 450 MW occurred on 04/10/2016 Operational Information Active
Apr 10 2016 08:46:35 CST The Daily RSASM for Sunday, April 10, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 10 2016 00:01:38 CST No sudden loss of generation greater than 450 MW occurred on 04/9/2016 Operational Information Active
Apr 09 2016 08:46:33 CST The Daily RSASM for Saturday, April 09, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 09 2016 00:15:02 CST No sudden loss of generation greater than 450 MW occurred on 04/8/2016 Operational Information Active
Apr 08 2016 13:14:24 CST ERCOT has cancelled the following notice: The East DC Tie will be unavailable from 07:30 04/04/2016 through 16:00 04/08/2016 due to a planned outage. Operational Information Cancelled
Apr 08 2016 08:47:32 CST The Daily RSASM for Friday, April 08, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 08 2016 00:03:03 CST No sudden loss of generation greater than 450 MW occurred on 04/7/2016 Operational Information Active
Apr 07 2016 09:24:14 CST The Daily RSASM for Thursday, April 07, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 07 2016 00:24:38 CST No sudden loss of generation greater than 450 MW occurred on 04/6/2016 Operational Information Active
Apr 06 2016 11:30:29 CST Laredo VFT DC Tie has ended outage and is available for scheduling. Operational Information Active
Apr 06 2016 08:52:04 CST Daily RSASM for Wednesday, April 06, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 06 2016 00:30:55 CST No sudden loss of generation greater than 450 MW occurred on 04/5/2016 Operational Information Active
Apr 05 2016 13:07:25 CST DC Tie Outage: The DC_EGPS DC Tie will be unavailable from 10:00 04/11/2016 through 16:00 04/14/2016 due to a planned outage. Operational Information Active
Apr 05 2016 08:50:08 CST Daily RSASM for Tuesday, April 05, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 05 2016 00:02:49 CST No sudden loss of generation greater than 450 MW occurred on 04/4/2016 Operational Information Active
Apr 04 2016 19:30:40 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 04 2016 19:29:50 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 04 2016 19:02:47 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Apr 04 2016 17:06:08 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Apr 04 2016 08:50:36 CST Daily RSASM for Monday, April 04, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 04 2016 00:11:22 CST No sudden loss of generation greater than 450 MW occurred on 04/3/2016 Operational Information Active
Apr 03 2016 08:47:46 CST The Daily RSASM for Sunday, April 3, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 03 2016 03:13:04 CST DC Tie Outage: The East DC Tie will be unavailable from 07:30 04/04/2016 through 16:00 04/08/2016 due to a planned outage. Operational Information Active
Apr 03 2016 00:29:48 CST No sudden loss of generation greater than 450 MW occurred on 04/2/2016 Operational Information Active
Apr 02 2016 08:47:09 CST The Daily RSASM for Saturday, April 2, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 02 2016 00:21:34 CST No sudden loss of generation greater than 450 MW occurred on 04/1/2016 Operational Information Active
Apr 01 2016 08:48:26 CST The Daily RSASM for Friday, April 1, 2016 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 01 2016 00:02:18 CST No sudden loss of generation greater than 450 MW occurred on 03/31/2016 Operational Information Active