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 2020 Sep 2020 Oct 2020 Nov 2020 Dec 2020 Jan 2021
Date Message Type Status
Jan 17 2021 16:02:47 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 17 2021 16:02:35 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 17 2021 08:47:06 CST The Daily RSASM for Sunday, January 17, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 17 2021 04:03:00 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 17 2021 04:02:46 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 17 2021 00:14:13 CST No sudden loss of generation greater than 450 MW occurred on January 16, 2021 Operational Information Active
Jan 16 2021 21:39:27 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Jan 16 2021 21:35:35 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Jan 16 2021 18:16:42 CST ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
Jan 16 2021 15:59:41 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 16 2021 15:59:33 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 16 2021 08:46:54 CST The Daily RSASM for Saturday, January 16, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 16 2021 04:04:46 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 16 2021 04:04:15 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 15 2021 23:59:58 CST No sudden loss of generation greater than 450 MW occurred on January 15, 2021 Operational Information Active
Jan 15 2021 23:40:26 CST The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Active
Jan 15 2021 16:11:29 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 15 2021 16:11:17 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 15 2021 08:48:51 CST The Daily RSASM for Friday, January 15, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 15 2021 04:05:46 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 15 2021 04:05:31 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 15 2021 00:12:53 CST No sudden loss of generation greater than 450 MW occurred on January 14, 2021 Operational Information Active
Jan 14 2021 15:58:06 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 14 2021 15:57:35 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 14 2021 08:47:48 CST The Daily RSASM for Thursday, January 14, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 14 2021 06:35:07 CST An OCN has been issued due to ERCOT modifying the PNHNDL Generic Transmission Constraint due to the current transmission outage topology. Operational Information Active
Jan 14 2021 04:07:58 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 14 2021 04:07:44 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 14 2021 00:06:51 CST No sudden loss of generation greater than 450 MW occurred on January 13, 2021 Operational Information Active
Jan 13 2021 15:55:26 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 13 2021 15:55:12 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 13 2021 13:45:42 CST ERCOT has cancelled the following notice: ERCOT taking manual action to mitigate contingency DHILMAR5 due to forced outage in the area. Operational Information Cancelled
Jan 13 2021 12:25:35 CST ERCOT taking manual action to mitigate contingency DHILMAR5 due to forced outage in the area. Operational Information Active
Jan 13 2021 08:49:22 CST The daily Reconfiguration SASM will not be occurring due to zero participating QSEs Operational Information Active
Jan 13 2021 04:02:29 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 13 2021 04:02:09 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 13 2021 00:42:07 CST No sudden loss of generation greater than 450 MW occurred on January 12, 2021. Operational Information Active
Jan 12 2021 15:56:21 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 12 2021 15:56:08 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 12 2021 08:48:31 CST The Daily RSASM will not be occurring due to zero participating QSEs. Operational Information Active
Jan 12 2021 04:04:57 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 12 2021 04:04:47 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 12 2021 00:01:41 CST On 01/11/2021, a sudden loss of generation occurred at 01:03 totaling 757 MW. Frequency declined to 59.866 Hz, ERCOT load was 49, 921 MW. Operational Information Active
Jan 11 2021 15:57:13 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 11 2021 15:57:01 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 11 2021 13:08:10 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Jan 11 2021 13:03:30 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Jan 11 2021 12:07:33 CST ERCOT has cancelled the following notice: OCN issued for the predicted freezing precipitation event for the Panhandle, West, North and Central areas of the ERCOT Region. OCN Cancelled
Jan 11 2021 08:46:47 CST The Daily RSASM for Monday, January 11, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 11 2021 04:11:54 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 11 2021 04:11:44 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 11 2021 00:04:09 CST No sudden loss of generation greater than 450 MW occurred on January 10, 2021. Operational Information Active
Jan 10 2021 15:58:34 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 10 2021 15:58:11 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 10 2021 08:45:51 CST The Daily RSASM for Sunday, January 10, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Jan 10 2021 04:08:36 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 10 2021 04:08:25 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 10 2021 00:07:40 CST No sudden loss of generation greater than 450 MW occurred on January 09, 2021. Operational Information Active
Jan 09 2021 16:03:06 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 09 2021 16:02:25 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 09 2021 08:45:42 CST The Daily RSASM for Saturday, January 9, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 09 2021 04:08:30 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 09 2021 04:08:20 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 09 2021 00:05:02 CST No sudden loss of generation greater than 450 MW occurred on January 08, 2021. Operational Information Active
Jan 09 2021 00:04:32 CST No sudden loss of generation greater than 450 MW occurred on January 07, 2021. Operational Information Active
Jan 08 2021 16:07:31 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 08 2021 16:07:19 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 08 2021 08:46:26 CST The Daily RSASM for Friday, January 8, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 08 2021 04:09:26 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 08 2021 04:09:17 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 08 2021 00:40:19 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 00:15 for operating day 01/08/21 for HE 03-05 , HE 08-11 and HE 19-24 for REGUP MW 1.1 Operational Information Cancelled
Jan 07 2021 23:39:01 CST ERCOT will execute a SASM at 00:15 for operating day 01/08/21 for HE 03-05 , HE 08-11 and HE 19-24 for REGUP MW 1.1 Operational Information Active
Jan 07 2021 16:10:39 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 07 2021 16:10:27 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 07 2021 15:35:13 CST OCN issued for the predicted freezing precipitation event for the Panhandle, West, North and Central areas of the ERCOT Region. OCN Active
Jan 07 2021 08:46:15 CST The Daily RSASM for Thursday, January 7, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 07 2021 04:16:31 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 07 2021 04:16:19 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 07 2021 00:12:02 CST On 01/06/2021, a sudden loss of generation occurred at 18:20 totaling 773 MW. Frequency declined to 59.848 Hz, ERCOT load was 43, 321 MW. Operational Information Active
Jan 06 2021 19:59:42 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 19:30 for operating day 01/07/21 for HE 08-11 for REGUP 9.9 MW Operational Information Cancelled
Jan 06 2021 18:49:42 CST ERCOT will execute a SASM at 19:30 for operating day 01/07/21 for HE 08-11 for REGUP 9.9 MW Operational Information Active
Jan 06 2021 18:25:10 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Jan 06 2021 18:20:42 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Jan 06 2021 16:03:32 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 06 2021 16:03:23 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 06 2021 11:58:29 CST The MBDSW RAS has been placed in service. Operational Information Active
Jan 06 2021 08:47:21 CST The Daily RSASM for Wednesday, January 6, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 06 2021 04:03:09 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 06 2021 04:02:22 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 06 2021 00:14:28 CST No sudden loss of generation greater than 450 MW occurred on January 05, 2021. Operational Information Active
Jan 05 2021 16:05:24 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 05 2021 16:05:13 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 05 2021 08:47:11 CST The Daily RSASM for Tuesday, January 5, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 05 2021 04:09:03 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 05 2021 04:08:46 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Jan 05 2021 02:08:16 CST No sudden loss of generation greater than 450 MW occurred on January 04, 2021. Operational Information Active
Jan 04 2021 16:19:57 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Jan 04 2021 16:19:47 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Jan 04 2021 08:47:44 CST The Daily RSASM for Monday, January 4, 2021 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 04 2021 00:30:46 CST On January 3, 2021, a sudden loss of generation occurred at 11:34 totaling 787 MW. Frequency declined to 59.828 Hz, ERCOT load was 39, 039 MW. Operational Information Active
Jan 03 2021 15:09:47 CST The Daily RSASM for Sunday, January 3, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Jan 03 2021 11:38:46 CST ERCOT FFR Has Been Recalled Operational Information Cancelled
Jan 03 2021 11:38:46 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Jan 03 2021 11:34:22 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Jan 03 2021 11:34:22 CST ERCOT FFR Has Been Deployed Operational Information Active
Jan 03 2021 00:05:05 CST No sudden loss of generation greater than 450 MW occurred on January 02, 2021. Operational Information Active
Jan 02 2021 08:45:14 CST The Daily RSASM for Saturday, January 2, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Jan 02 2021 00:04:03 CST No sudden loss of generation greater than 450 MW occurred on January 01, 2021. Operational Information Active
Jan 02 2021 00:03:25 CST No sudden loss of generation greater than 450 MW occurred on December 31, 2020. Operational Information Active
Jan 01 2021 11:55:51 CST ERCOT has cancelled the following notice: OCN issued for the predicted freezing precipitation event for the Panhandle, North and West areas of the ERCOT Region. OCN Cancelled
Jan 01 2021 08:45:36 CST The Daily RSASM for Friday, January 1, 2021 will not be occurring due to zero participating QSEs Operational Information Active
Jan 01 2021 04:11:40 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Jan 01 2021 00:25:32 CST No sudden loss of generation greater than 450 MW occurred on January 01, 2021. Operational Information Active