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.)

    Jan 2018 Feb 2018 Mar 2018 Apr 2018 May 2018 Jun 2018
    Date Message Type Status
    Jun 24 2018 00:04:32 CST No sudden loss of generation greater than 450 MW occurred on June 23, 2018. Operational Information Active
    Jun 23 2018 08:45:59 CST The Daily RSASM for Saturday, June 23, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Jun 23 2018 00:06:29 CST No sudden loss of generation greater than 450 MW occurred on June 22, 2018. Operational Information Active
    Jun 22 2018 08:45:15 CST The Daily RSASM for Friday, June 22, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Jun 22 2018 00:00:47 CST No sudden loss of generation greater than 450 MW occurred on June 21, 2018. Operational Information Active
    Jun 21 2018 08:45:33 CST The Daily RSASM for Thursday, June 21, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Jun 21 2018 00:03:45 CST No sudden loss of generation greater than 450 MW occurred on June 20, 2018. Operational Information Active
    Jun 20 2018 08:46:27 CST The Daily RSASM for Wednesday, June 20, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 20 2018 00:01:58 CST No sudden loss of generation greater than 450 MW occurred on June 19, 2018. Operational Information Active
    Jun 19 2018 11:22:39 CST ERCOT has cancelled the following notice: The Barney Davis RAS (Remedial Action Scheme)is disabled for RTU work at Barney Davis. Operational Information Cancelled
    Jun 19 2018 09:09:53 CST The Barney Davis RAS (Remedial Action Scheme)is disabled for RTU work at Barney Davis. Operational Information Active
    Jun 19 2018 08:47:37 CST The Daily RSASM for Tuesday, June 19, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 19 2018 06:20:36 CST ERCOT has cancelled the following notice: At 0503 ERCOT is issuing a Transmission Watch due to the post-contingency overload of Dollar Hide to No Trees Switch. A mitigation plan is being developed. Operational Information Cancelled
    Jun 19 2018 05:11:47 CST At 0503 ERCOT is issuing a Transmission Watch due to the post-contingency overload of Dollar Hide to No Trees Switch. A mitigation plan is being developed. Operational Information Active
    Jun 19 2018 00:02:58 CST No sudden loss of generation greater than 450 MW occurred on June 18, 2018. Operational Information Active
    Jun 18 2018 12:28:24 CST The MNSES RAS has been permanently removed from service/removed from RTCA. Operational Information Active
    Jun 18 2018 08:59:14 CST ERCOT has cancelled the following notice: On 06/10/2018 at 21:50 through 23:49 ERCOT issued a Transmission Watch for Railroad DC Tie which resulted in schedule curtailments due to de-rate of the Railroad DC Tie. Operational Information Cancelled
    Jun 18 2018 08:59:09 CST ERCOT has cancelled the following notice: On 06/10/2018 at 21:50 through 23:49 ERCOT issued a Transmission Watch for Railroad DC Tie which resulted in schedule curtailments due to de-rate of the Railroad DC Tie. Operational Information Cancelled
    Jun 18 2018 08:46:00 CST The Daily RSASM for Monday, June 18, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 18 2018 00:22:06 CST No sudden loss of generation greater than 450 MW occurred on June 17, 2018. Operational Information Active
    Jun 17 2018 09:04:32 CST ERCOT has cancelled the following notice: At 07:30, ERCOT is issuing a Transmission Watch due to the post-contingency overload of SCHWIN8 due to multiple outages in far West Texas. Operational Information Cancelled
    Jun 17 2018 08:47:53 CST The Daily RSASM for Sunday, June 17, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Jun 17 2018 07:35:31 CST At 07:30, ERCOT is issuing a Transmission Watch due to the post-contingency overload of SCHWIN8 due to multiple outages in far West Texas. Operational Information Active
    Jun 17 2018 00:57:26 CST No sudden loss of generation greater than 450 MW occurred on June 16, 2018. Operational Information Active
    Jun 16 2018 08:46:36 CST The Daily RSASM for Saturday, June 16, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 16 2018 04:28:35 CST ERCOT has cancelled the following notice: Ercot operating from alternate control center Operational Information Cancelled
    Jun 16 2018 04:27:53 CST Ercot is operating from the Primary Control Center. Operational Information Active
    Jun 16 2018 00:35:42 CST No sudden loss of generation greater than 450 MW occurred on June 15, 2018. Operational Information Active
    Jun 15 2018 19:00:30 CST ERCOT has cancelled the following notice: ERCOT issued a Transmission Watch @ 18:28 due to the Laredo DC Tie being unavailable Operational Information Cancelled
    Jun 15 2018 18:30:08 CST ERCOT issued a Transmission Watch @ 18:28 due to the Laredo DC Tie being unavailable Operational Information Active
    Jun 15 2018 16:17:13 CST Ercot operating from alternate control center Operational Information Active
    Jun 15 2018 08:51:25 CST The Daily RSASM for Friday June 15, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 15 2018 07:35:51 CST ERCOT has cancelled the following notice: ERCOT issued a Transmission Watch @ 19:31 due to the Laredo DC Tie forced outage which resulted in schedule curtailments. Operational Information Cancelled
    Jun 15 2018 07:34:01 CST ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 17:00 06/15/2018 due to a forced outage. Operational Information Cancelled
    Jun 15 2018 00:50:19 CST No sudden loss of generation greater than 450 MW occurred on June 14, 2018. Operational Information Active
    Jun 14 2018 18:59:25 CST ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 23:59 06/14/2018 due to a forced outage. Operational Information Cancelled
    Jun 14 2018 18:59:09 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 17:00 06/15/2018 due to a forced outage. Operational Information Active
    Jun 14 2018 08:52:29 CST The Daily RSASM for Thursday June 14, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 14 2018 01:43:56 CST No sudden loss of generation greater than 450 MW occurred on June 13, 2018. Operational Information Active
    Jun 13 2018 23:57:30 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 23:59 06/14/2018 due to a forced outage. Operational Information Active
    Jun 13 2018 23:56:11 CST ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 23:59 06/13/2018 due to a forced outage. Operational Information Cancelled
    Jun 13 2018 19:44:49 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 19:26 06/13/2018 through 23:59 06/13/2018 due to a forced outage. Operational Information Active
    Jun 13 2018 19:39:32 CST ERCOT issued a Transmission Watch @ 19:31 due to the Laredo DC Tie forced outage which resulted in schedule curtailments. Operational Information Active
    Jun 13 2018 14:44:15 CST ERCOT has cancelled the following notice: The Railroad DC Tie will be unavailable from 00:01 06/13/2018 through 23:59 06/13/2018 due to a forced outage. Operational Information Cancelled
    Jun 13 2018 14:25:36 CST ERCOT has cancelled the following notice: ERCOT issued a Transmission Watch @ 00:26 for Railroad DC Tie which resulted in schedule curtailments due to the forced outage of the Railroad DC Tie. Operational Information Cancelled
    Jun 13 2018 08:45:26 CST The Daily RSASM for Wednesday June 13, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 13 2018 02:12:17 CST ERCOT issued a Transmission Watch @ 00:26 for Railroad DC Tie which resulted in schedule curtailments due to the forced outage of the Railroad DC Tie. Operational Information Active
    Jun 13 2018 02:10:56 CST ERCOT has cancelled the following notice: ERCOT issued a Transmission Watch @ 00:26 for Railroad DC Tie which resulted in schedule curtailments due to the Railroad DC Tie tripping. Operational Information Cancelled
    Jun 13 2018 01:03:23 CST No sudden loss of generation greater than 450 MW occurred on June 12, 2018. Operational Information Active
    Jun 13 2018 00:55:36 CST ERCOT issued a Transmission Watch @ 00:26 for Railroad DC Tie which resulted in schedule curtailments due to the Railroad DC Tie tripping. Operational Information Active
    Jun 13 2018 00:54:21 CST ERCOT has cancelled the following notice: ERCOT issued a Transmission Watch for Railroad DC Tie which resulted in schedule curtailments due to de-rate of the Railroad DC Tie. Operational Information Cancelled
    Jun 13 2018 00:30:57 CST ERCOT issued a Transmission Watch for Railroad DC Tie which resulted in schedule curtailments due to de-rate of the Railroad DC Tie. Operational Information Active
    Jun 13 2018 00:29:59 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 00:01 06/13/2018 through 23:59 06/13/2018 due to a forced outage. Operational Information Active
    Jun 12 2018 08:49:25 CST The Daily RSASM for Tuesday June 12, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 12 2018 07:23:27 CST On 06/10/2018 at 21:50 through 23:49 ERCOT issued a Transmission Watch for Railroad DC Tie which resulted in schedule curtailments due to de-rate of the Railroad DC Tie. Operational Information Active
    Jun 12 2018 00:07:17 CST No sudden loss of generation greater than 450 MW occurred on June 11, 2018. Operational Information Active
    Jun 11 2018 08:46:01 CST The Daily RSASM for Monday June 11, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 11 2018 00:10:54 CST No sudden loss of generation greater than 450 MW occurred on June 10, 2018. Operational Information Active
    Jun 10 2018 23:51:30 CST ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 150MW import/export due to Station 2 being out until further notice. Operational Information Cancelled
    Jun 10 2018 22:01:07 CST ERCOT has been notified that the Railroad DC Tie has been derated to 150MW import/export due to Station 2 being out until further notice. Operational Information Active
    Jun 10 2018 08:47:35 CST The Daily RSASM for Sunday June 10, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 10 2018 00:02:42 CST No sudden loss of generation greater than 450 MW occurred on June 9, 2018. Operational Information Active
    Jun 09 2018 08:48:47 CST The Daily RSASM for Saturday June 9, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 09 2018 00:01:19 CST No sudden loss of generation greater than 450 MW occurred on June 8, 2018. Operational Information Active
    Jun 08 2018 08:47:15 CST The Daily RSASM for Friday June 8, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 08 2018 00:20:28 CST No sudden loss of generation greater than 450 MW occurred on June 7, 2018. Operational Information Active
    Jun 07 2018 16:40:21 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
    Jun 07 2018 16:40:15 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
    Jun 07 2018 15:43:22 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
    Jun 07 2018 14:20:14 CST DAM is complete. DRUC will begin at 15:15. Operational Information Active
    Jun 07 2018 13:46:30 CST ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
    Jun 07 2018 13:34:29 CST ERCOT has postponed the deadline for posting of the DAM Solution for Operating Day June 8th, 2018 due to an internal issue, which is being resolved. Advisory Active
    Jun 07 2018 08:48:50 CST The Daily RSASM for Thursday June 7, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 07 2018 08:34:10 CST ERCOT has cancelled the following notice: The Barney Davis RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
    Jun 07 2018 05:17:20 CST The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Active
    Jun 07 2018 00:13:49 CST No sudden loss of generation greater than 450 MW occurred on June 6, 2018. Operational Information Active
    Jun 06 2018 21:38:39 CST The Barney Davis RAS has been taken out of service/removed from RTCA. Operational Information Active
    Jun 06 2018 14:38:46 CST The PBSES RAS has been permanently removed from service/removed from RTCA. Operational Information Active
    Jun 06 2018 12:00:00 CST ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
    Jun 06 2018 08:50:49 CST The Daily RSASM for Wednesday, June 6, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 06 2018 05:29:11 CST The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Active
    Jun 06 2018 00:07:26 CST No sudden loss of generation greater than 450 MW occurred on June 5, 2018. Operational Information Active
    Jun 05 2018 17:48:06 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
    Jun 05 2018 15:45:18 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
    Jun 05 2018 14:24:52 CST ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
    Jun 05 2018 10:36:02 CST The WIRTZ RAS has been put back in service. Operational Information Active
    Jun 05 2018 10:16:30 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie DC Tie will be unavailable from 11:00 06/02/2018 through 19:00 06/25/2018 due to a forced outage. Operational Information Cancelled
    Jun 05 2018 10:16:21 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie DC Tie will be unavailable from 11:00 06/02/2018 through 19:00 06/25/2018 due to a forced outage. Operational Information Cancelled
    Jun 05 2018 08:51:05 CST The Daily RSASM for Tuesday, June 5, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 05 2018 05:41:09 CST The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Active
    Jun 05 2018 00:01:45 CST No sudden loss of generation greater than 450 MW occurred on June 4, 2018. Operational Information Active
    Jun 04 2018 13:37:57 CST DC Tie Outage: The Eagle Pass DC Tie DC Tie will be unavailable from 11:00 06/02/2018 through 19:00 06/25/2018 due to a forced outage. Operational Information Active
    Jun 04 2018 08:47:57 CST The Daily RSASM for Monday, June 4, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 04 2018 02:04:47 CST No sudden loss of generation greater than 450 MW occurred on June 3, 2018. Operational Information Active
    Jun 03 2018 17:00:43 CST ERCOT has cancelled the following notice: At 05:25 on 6/2 Transmission Watch issued for the loss of Eagle Pass DC Tie. Operational Information Cancelled
    Jun 03 2018 16:57:07 CST At 05:25 on 6/2 Transmission Watch issued for the loss of Eagle Pass DC Tie. Operational Information Active
    Jun 03 2018 08:46:33 CST The Daily RSASM for Sunday, June 3, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 03 2018 02:35:36 CST No sudden loss of generation greater than 450 MW occurred on June 2, 2018. Operational Information Active
    Jun 02 2018 11:23:31 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 11:00 06/02/2018 through 19:00 06/04/2018 due to a forced outage. Operational Information Active
    Jun 02 2018 11:22:23 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 05:25 06/02/2018 through 23:59 06/02/2018 due to a forced outage. Operational Information Cancelled
    Jun 02 2018 08:46:23 CST The Daily RSASM for Saturday, June 2, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 02 2018 05:32:54 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 05:25 06/02/2018 through 23:59 06/02/2018 due to a forced outage. Operational Information Active
    Jun 02 2018 05:32:44 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 05:25 06/02/2018 through 23:59 06/02/2018 due to a forced outage. Operational Information Active
    Jun 02 2018 01:27:44 CST No sudden loss of generation greater than 450 MW occurred on June 1, 2018. Operational Information Active
    Jun 01 2018 13:11:44 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 00:00 05/31/2018 through 18:00 06/01/2018 due to a forced outage Operational Information Cancelled
    Jun 01 2018 13:11:31 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 14:02 05/30/2018 through 00:00 05/31/2018 due to a forced outage. Operational Information Cancelled
    Jun 01 2018 08:47:04 CST The Daily RSASM for Friday, June 1, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Jun 01 2018 00:15:20 CST No sudden loss of generation greater than 450 MW occurred on May 31, 2018. Operational Information Active
    Jun 01 2018 00:07:18 CST ERCOT has cancelled the following notice: 18:59, ERCOT is issuing a Transmission Watch for the de-rating of the Laredo DC Tie. This may result in the curtailment of DC-Tie exports to CENACE. Operational Information Cancelled