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