Operations Messages - December 2020
This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. (Subscribe to Operations Messages 
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| Date | Message | Type | Status |
|---|---|---|---|
| Dec 31 2020 16:09:50 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 31 2020 16:08:57 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 31 2020 08:45:27 CST | The Daily RSASM for Thursday, December 31, 2020 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Dec 31 2020 04:10:35 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 31 2020 00:00:37 CST | No sudden loss of generation greater than 450 MW occurred on December 30, 2020. | Operational Information | Active |
| Dec 30 2020 16:11:21 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 30 2020 16:11:07 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 30 2020 08:46:01 CST | The Daily RSASM for Wednesday, December 30, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 30 2020 04:11:31 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 30 2020 04:11:23 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 30 2020 00:58:24 CST | No sudden loss of generation greater than 450 MW occurred on December 29, 2020. | Operational Information | Active |
| Dec 29 2020 16:03:50 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 29 2020 16:03:37 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 29 2020 09:07:33 CST | OCN issued for the predicted freezing precipitation event for the Panhandle, North and West areas of the ERCOT Region. | OCN | Active |
| Dec 29 2020 08:46:05 CST | The Daily RSASM for Tuesday, December 29, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 29 2020 04:13:48 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 29 2020 04:13:35 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 29 2020 00:11:41 CST | No sudden loss of generation greater than 450 MW occurred on December 28, 2020. | Operational Information | Active |
| Dec 28 2020 16:02:44 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 28 2020 16:02:23 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 28 2020 08:45:41 CST | The Daily RSASM for Monday, December 28, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 28 2020 00:01:24 CST | No sudden loss of generation greater than 450 MW occurred on December 27, 2020. | Operational Information | Active |
| Dec 27 2020 08:51:06 CST | The Daily RSASM for Sunday, December 27, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 27 2020 00:26:30 CST | No sudden loss of generation greater than 450 MW occurred on December 26, 2020. | Operational Information | Active |
| Dec 26 2020 20:51:18 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Dec 26 2020 20:49:50 CST | ERCOT Responsive Reserve Has Been Deployed | Operational Information | Active |
| Dec 26 2020 08:46:28 CST | The Daily RSASM for Saturday, December 26, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 26 2020 00:29:03 CST | No sudden loss of generation greater than 450 MW occurred on December 25, 2020. | Operational Information | Active |
| Dec 25 2020 08:46:41 CST | The Daily RSASM for Friday, December 25, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 25 2020 04:03:28 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 25 2020 00:00:37 CST | No sudden loss of generation greater than 450 MW occurred on December 24, 2020. | Operational Information | Active |
| Dec 24 2020 16:05:07 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 24 2020 16:04:58 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 24 2020 08:47:09 CST | The Daily RSASM for Thursday, December 24, 2020 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Dec 24 2020 04:09:16 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 24 2020 00:10:42 CST | No sudden loss of generation greater than 450 MW occurred on December 23, 2020. | Operational Information | Active |
| Dec 23 2020 16:10:10 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 23 2020 16:10:00 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 23 2020 08:46:45 CST | The Daily RSASM for Wednesday December 23, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 23 2020 04:15:26 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 23 2020 04:15:16 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 23 2020 00:00:12 CST | No sudden loss of generation greater than 450 MW occurred on December 22, 2020. | Operational Information | Active |
| Dec 22 2020 16:10:17 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 22 2020 16:10:06 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 22 2020 15:51:06 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Dec 22 2020 15:45:58 CST | ERCOT Responsive Reserve Has Been Deployed | Operational Information | Active |
| Dec 22 2020 12:20:12 CST | DC Tie Outage: ERCOT has cancelled the following notice: The Laredo VFT DC Tie will be unavailable from 08:03 12/08/2020 through 18:30 12/23/2020 due to a planned outage. | Operational Information | Cancelled |
| Dec 22 2020 08:47:06 CST | The Daily RSASM for Tuesday December 22, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 22 2020 04:18:11 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 22 2020 04:17:39 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 22 2020 01:10:09 CST | No sudden loss of generation greater than 450 MW occurred on December 21, 2020. | Operational Information | Active |
| Dec 21 2020 19:44:07 CST | Eskota RAS is now enabled. | Operational Information | Active |
| Dec 21 2020 16:18:07 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 21 2020 16:17:57 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 21 2020 13:19:29 CST | At 13:18 on 12/21/2020 the OCN for the ERCOT modified PNHNDL Generic Transmission Constraint was cancelled. | Operational Information | Active |
| Dec 21 2020 08:48:34 CST | The Daily RSASM for Monday December 21, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 21 2020 04:24:00 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 21 2020 04:23:44 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 21 2020 00:02:43 CST | No sudden loss of generation greater than 450 MW occurred on December 20, 2020. | Operational Information | Active |
| Dec 20 2020 15:49:04 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 20 2020 08:46:28 CST | The Daily RSASM for Sunday December 20, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 20 2020 03:56:20 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 20 2020 03:56:12 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 20 2020 00:02:16 CST | No sudden loss of generation greater than 450 MW occurred on December 19, 2020. | Operational Information | Active |
| Dec 19 2020 16:01:42 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 19 2020 08:47:18 CST | The Daily RSASM for Saturday December 19, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 19 2020 03:58:09 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 19 2020 03:57:58 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 19 2020 00:02:14 CST | No sudden loss of generation greater than 450 MW occurred on December 18, 2020. | Operational Information | Active |
| Dec 18 2020 16:05:44 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 18 2020 08:47:25 CST | The Daily RSASM for Friday December 18, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 18 2020 05:39:01 CST | DC Tie Outage: The Laredo VFT DC Tie will be unavailable from 08:03 12/08/2020 through 18:30 12/23/2020 due to a planned outage. | Operational Information | Active |
| Dec 18 2020 03:55:41 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 18 2020 03:55:33 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 18 2020 00:48:06 CST | No sudden loss of generation greater than 450 MW occurred on December 17, 2020 | Operational Information | Active |
| Dec 17 2020 16:10:48 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 17 2020 08:46:32 CST | The Daily RSASM for Thursday December 17, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 17 2020 04:01:38 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 17 2020 04:01:31 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 17 2020 00:05:29 CST | No sudden loss of generation greater than 450 MW occurred on December 16, 2020 | Operational Information | Active |
| Dec 16 2020 16:05:49 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 16 2020 08:58:30 CST | The Daily RSASM for Wednesday, December 16, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 16 2020 04:03:51 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 16 2020 00:22:42 CST | No sudden loss of generation greater than 450 MW occurred on December 15, 2020 | Operational Information | Active |
| Dec 15 2020 16:16:28 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 15 2020 08:47:22 CST | The Daily RSASM for Tuesday, December 15, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 15 2020 04:02:37 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 15 2020 01:38:08 CST | No sudden loss of generation greater than 450 MW occurred on December 14, 2020 | Operational Information | Active |
| Dec 14 2020 16:08:22 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 14 2020 08:49:04 CST | The Daily RSASM for Monday, December 14, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 14 2020 04:07:50 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 14 2020 01:04:55 CST | No sudden loss of generation greater than 450 MW occurred on December 13, 2020 | Operational Information | Active |
| Dec 13 2020 16:02:08 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 13 2020 16:02:00 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 13 2020 08:46:29 CST | The Daily RSASM for Sunday, December 13, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 13 2020 04:02:33 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 13 2020 04:02:21 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 13 2020 00:43:28 CST | No sudden loss of generation greater than 450 MW occurred on December 12, 2020 | Operational Information | Active |
| Dec 12 2020 15:54:24 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 12 2020 15:53:53 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 12 2020 08:47:29 CST | The Daily RSASM for Saturday, December 12, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 12 2020 08:46:18 CST | The Daily RSASM for Saturday, December 12, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 12 2020 04:02:28 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 12 2020 04:02:13 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 12 2020 01:03:37 CST | No sudden loss of generation greater than 450 MW occurred on December 11, 2020. | Operational Information | Active |
| Dec 11 2020 15:59:46 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 11 2020 15:59:27 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 11 2020 09:11:01 CST | The Daily RSASM for Friday, December 11, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 11 2020 04:00:56 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 11 2020 04:00:33 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 11 2020 00:04:49 CST | No sudden loss of generation greater than 450 MW occurred on December 10, 2020. | Operational Information | Active |
| Dec 10 2020 16:11:32 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 10 2020 14:39:08 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Dec 10 2020 08:46:20 CST | The Daily RSASM for Thursday, December 10, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 10 2020 04:06:11 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 10 2020 04:05:59 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 10 2020 00:03:36 CST | No sudden loss of generation greater than 450 MW occurred on December 09, 2020. | Operational Information | Active |
| Dec 10 2020 00:03:35 CST | No sudden loss of generation greater than 450 MW occurred on December 09, 2020. | Operational Information | Active |
| Dec 09 2020 15:56:41 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 09 2020 08:46:44 CST | The Daily RSASM for Wednesday December 9, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 09 2020 04:07:04 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 09 2020 00:07:33 CST | No sudden loss of generation greater than 450 MW occurred on December 08, 2020. | Operational Information | Active |
| Dec 08 2020 15:59:07 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 08 2020 10:49:16 CST | ERCOT Emergency Base Points are Disabled | Operational Information | Cancelled |
| Dec 08 2020 10:47:13 CST | ERCOT has cancelled the following notice: At 10:34, ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. | Operational Information | Cancelled |
| Dec 08 2020 10:37:24 CST | ERCOT Emergency Base Points are Enabled | Operational Information | Active |
| Dec 08 2020 10:35:01 CST | At 10:34, ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. | Operational Information | Active |
| Dec 08 2020 08:46:46 CST | The Daily RSASM for Tuesday December 8, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 08 2020 08:08:19 CST | DC Tie Outage: The LAREDO DC Tie will be unavailable from 08:03 12/08/2020 through 17:30 12/18/2020 due to a planned outage. | Operational Information | Active |
| Dec 08 2020 03:58:35 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 08 2020 03:58:16 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 08 2020 00:01:09 CST | On 12/07/2020, a sudden loss of generation occurred at 12:38 totaling 508 MW. Frequency declined to 59.928 Hz, ERCOT load was 39, 802 MW. | Operational Information | Active |
| Dec 07 2020 16:06:54 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 07 2020 08:47:50 CST | The Daily RSASM for Monday December 7, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 07 2020 04:05:14 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 07 2020 04:04:46 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 07 2020 00:38:44 CST | No sudden loss of generation greater than 450 MW occurred on December 06, 2020 | Operational Information | Active |
| Dec 06 2020 16:05:57 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 06 2020 16:05:48 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 06 2020 08:46:45 CST | The Daily RSASM for Sunday, December 6, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 06 2020 08:04:41 CST | DC Tie Outage: The Laredo DC Tie will be unavailable from 08:30 12/08/2020 through 17:30 12/18/2020 due to a planned outage. | Operational Information | Active |
| Dec 06 2020 04:08:14 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 06 2020 04:07:53 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 06 2020 00:17:54 CST | DC Tie Outage: ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 08:00 11/02/2020 through 17:30 12/18/2020 due to a planned outage. | Operational Information | Cancelled |
| Dec 06 2020 00:01:02 CST | No sudden loss of generation greater than 450 MW occurred on December 05, 2020 | Operational Information | Active |
| Dec 05 2020 16:06:45 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 05 2020 16:06:33 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 05 2020 08:47:01 CST | The Daily RSASM for Saturday, December 5, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 05 2020 04:06:40 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 05 2020 04:06:29 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 05 2020 00:31:51 CST | On 12/04/2020, a sudden loss of generation occurred at 07:44 totaling 571 MW. Frequency declined to 59.869 Hz, ERCOT load was 50, 216 MW. | Operational Information | Active |
| Dec 04 2020 16:11:04 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 04 2020 16:10:54 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 04 2020 10:56:02 CST | DC Tie Outage: The Laredo DC Tie will be unavailable from 08:00 11/02/2020 through 17:30 12/18/2020 due to a planned outage. | Operational Information | Active |
| Dec 04 2020 08:47:01 CST | The Daily RSASM for Friday, December 4, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 04 2020 07:50:16 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Dec 04 2020 07:44:52 CST | ERCOT Responsive Reserve Has Been Deployed | Operational Information | Active |
| Dec 04 2020 04:07:07 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 04 2020 04:06:40 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 04 2020 01:01:51 CST | No sudden loss of generation greater than 450 MW occurred on December 03, 2020 | Operational Information | Active |
| Dec 03 2020 15:59:19 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 03 2020 15:58:56 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 03 2020 08:47:28 CST | The Daily RSASM for Thursday, December 3, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 03 2020 04:12:30 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 03 2020 04:12:16 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 03 2020 01:04:39 CST | No sudden loss of generation greater than 450 MW occurred on December 02, 2020 | Operational Information | Active |
| Dec 02 2020 15:58:31 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 02 2020 15:58:09 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 02 2020 10:11:23 CST | MGSES RAS has been disabled in preparation for retirement | Operational Information | Active |
| Dec 02 2020 08:47:55 CST | The Daily RSASM for Wednesday, December 2, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 02 2020 07:56:27 CST | ERCOT has cancelled the following notice: ERCOT is taking manual action on contingency DCAGCI58 due to planned outage in the area. | Operational Information | Cancelled |
| Dec 02 2020 06:44:42 CST | ERCOT is taking manual action on contingency DCAGCI58 due to planned outage in the area. | Operational Information | Active |
| Dec 02 2020 04:47:14 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 02 2020 04:02:12 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 02 2020 03:14:37 CST | No sudden loss of generation greater than 450 MW occurred on December 01, 2020. | Operational Information | Active |
| Dec 01 2020 16:08:56 CST | ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Active |
| Dec 01 2020 16:08:43 CST | ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Cancelled |
| Dec 01 2020 16:02:57 CST | ERCOT has cancelled the following notice: ERCOT will execute a SASM at 15:50 for operating day 12/01/20 for HE 18 for NSPIN MW 21.6 | Operational Information | Cancelled |
| Dec 01 2020 15:30:20 CST | DC Tie Outage: ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 11:03 11/30/2020 through 16:00 12/01/2020 due to a forced outage. | Operational Information | Cancelled |
| Dec 01 2020 15:26:24 CST | ERCOT will execute a SASM at 15:50 for operating day 12/01/20 for HE 18 for NSPIN MW 21.6 | Operational Information | Active |
| Dec 01 2020 08:46:30 CST | The Daily RSASM for Tuesday, December 1, 2020 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Dec 01 2020 04:03:50 CST | ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. | Operational Information | Active |
| Dec 01 2020 04:03:41 CST | ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. | Operational Information | Cancelled |
| Dec 01 2020 02:25:35 CST | No sudden loss of generation greater than 450 MW occurred on November 30, 2020. | Operational Information | Active |