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.)

Feb 2019 Mar 2019 Apr 2019 May 2019 Jun 2019 Jul 2019
Date Message Type Status
Jul 16 2019 08:46:50 CST The Daily RSASM for Tuesday, July 16, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 16 2019 00:38:40 CST On 07/15/2019, a sudden loss of generation occurred at 14:37 totaling 601MW. Frequency declined to 59.904Hz, ERCOT load was 65439MW. Operational Information Active
Jul 15 2019 14:42:07 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Jul 15 2019 14:37:31 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Jul 15 2019 08:46:17 CST The Daily RSASM for Monday, July 15, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 15 2019 04:51:54 CST No sudden loss of generation greater than 450 MW occurred on July 14, 2019. Operational Information Active
Jul 14 2019 08:46:13 CST The Daily RSASM for Sunday, July 14, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 14 2019 07:46:04 CST ERCOT has cancelled the following notice: The DC_E DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Cancelled
Jul 14 2019 07:45:59 CST ERCOT has cancelled the following notice: The DC_E DC Tie will be unavailable from 05:39 07/14/2019 through 23:59 07/14/2019 due to a forced outage. Operational Information Cancelled
Jul 14 2019 05:58:12 CST DC Tie Curtailment Notice: The DC_E DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Active
Jul 14 2019 05:54:30 CST DC Tie Outage: The DC_E DC Tie will be unavailable from 05:39 07/14/2019 through 23:59 07/14/2019 due to a forced outage. Operational Information Active
Jul 14 2019 00:02:56 CST No sudden loss of generation greater than 450 MW occurred on July 13, 2019. Operational Information Active
Jul 13 2019 08:47:45 CST The Daily RSASM for Saturday, July 13, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 13 2019 00:13:52 CST No sudden loss of generation greater than 450 MW occurred on July 12, 2019. Operational Information Active
Jul 12 2019 08:48:02 CST The Daily RSASM for Friday, July 12, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 12 2019 04:20:14 CST At 04:15 ERCOT is working from the primary control center. Operational Information Active
Jul 12 2019 04:19:44 CST ERCOT has cancelled the following notice: Ercot operating out of the alternate control center in Bastrop, until further notice. Operational Information Cancelled
Jul 12 2019 00:50:08 CST No sudden loss of generation greater than 450 MW occurred on July 11, 2019. Operational Information Active
Jul 11 2019 18:43:20 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 11 2019 17:10:10 CST Ercot operating out of the alternate control center in Bastrop, until further notice. Operational Information Active
Jul 11 2019 14:59:53 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 11 2019 08:47:15 CST The Daily RSASM for Thursday, July 11, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 11 2019 01:00:05 CST No sudden loss of generation greater than 450 MW occurred on July 10, 2019. Operational Information Active
Jul 10 2019 19:12:53 CST No sudden loss of generation greater than 450 MW occurred on July 09, 2019. Operational Information Active
Jul 10 2019 17:54:08 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 10 2019 15:00:22 CST ERCOT has cancelled the following notice: The DC_E DC Tie will be unavailable from 14:27 07/10/2019 through 16:00 07/10/2019 due to a forced outage. Operational Information Cancelled
Jul 10 2019 15:00:06 CST ERCOT has cancelled the following notice: The DC_E DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Cancelled
Jul 10 2019 15:00:02 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 10 2019 14:34:57 CST DC Tie Outage: The DC_E DC Tie will be unavailable from 14:27 07/10/2019 through 16:00 07/10/2019 due to a forced outage. Operational Information Active
Jul 10 2019 14:31:44 CST DC Tie Curtailment Notice: The DC_E DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Active
Jul 10 2019 08:49:22 CST The Daily RSASM for Wednesday, July 10, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 09 2019 17:45:00 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 09 2019 16:41:36 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 09 2019 08:47:21 CST The Daily RSASM for Tuesday, July 09, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 09 2019 00:29:04 CST No sudden loss of generation greater than 450 MW occurred on July 08, 2019. Operational Information Active
Jul 08 2019 08:46:59 CST The Daily RSASM for Monday, July 08, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 08 2019 00:56:13 CST ERCOT has cancelled the following notice: The DC_N DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Cancelled
Jul 08 2019 00:55:59 CST ERCOT has cancelled the following notice: The DC_N DC Tie will be unavailable from 00:01 07/08/2019 through 06:00 07/08/2019 due to a forced outage. Operational Information Cancelled
Jul 08 2019 00:26:19 CST No sudden loss of generation greater than 450 MW occurred on July 07, 2019. Operational Information Active
Jul 08 2019 00:00:41 CST DC Tie Outage: The DC_N DC Tie will be unavailable from 00:01 07/08/2019 through 06:00 07/08/2019 due to a forced outage. Operational Information Active
Jul 07 2019 23:59:33 CST ERCOT has cancelled the following notice: The DC_N DC Tie will be unavailable from 20:48 07/07/2019 through 23:59 07/07/2019 due to a forced outage. Operational Information Cancelled
Jul 07 2019 21:11:55 CST DC Tie Curtailment Notice: The DC_N DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. DC Tie Curtailment Notice Active
Jul 07 2019 21:04:08 CST DC Tie Outage: The DC_N DC Tie will be unavailable from 20:48 07/07/2019 through 23:59 07/07/2019 due to a forced outage. Operational Information Active
Jul 07 2019 08:46:17 CST The Daily RSASM for Sunday, July 07, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 07 2019 00:01:43 CST No sudden loss of generation greater than 450 MW occurred on July 06, 2019. Operational Information Active
Jul 06 2019 17:34:04 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 06 2019 15:47:23 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 06 2019 08:46:19 CST The Daily RSASM for Saturday, July 06, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 06 2019 00:03:39 CST No sudden loss of generation greater than 450 MW occurred on July 05, 2019. Operational Information Active
Jul 05 2019 08:45:48 CST The Daily RSASM for Friday, July 05, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 05 2019 00:01:35 CST No sudden loss of generation greater than 450 MW occurred on July 04, 2019 Operational Information Active
Jul 04 2019 08:45:15 CST The Daily RSASM for Thursday, July 04, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Jul 04 2019 00:53:56 CST No sudden loss of generation greater than 450 MW occurred on July 03, 2019 Operational Information Active
Jul 03 2019 08:46:53 CST The Daily RSASM for Wednesday, July 03, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 03 2019 00:17:40 CST No sudden loss of generation greater than 450 MW occurred on July 02, 2019 Operational Information Active
Jul 02 2019 18:05:36 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 02 2019 15:32:51 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 02 2019 08:46:45 CST The Daily RSASM for Tuesday, July 02, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 02 2019 00:01:54 CST No sudden loss of generation greater than 450 MW occurred on July 01, 2019 Operational Information Active
Jul 01 2019 18:00:09 CST ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Cancelled
Jul 01 2019 14:42:12 CST Physical Responsive Capability < 3000 MW: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW Advisory Active
Jul 01 2019 08:46:47 CST The Daily RSASM for Monday, July 01, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Jul 01 2019 00:01:32 CST No sudden loss of generation greater than 450 MW occurred on June 30, 2019 Operational Information Active