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 |
|---|---|---|---|
| Mar 18 2019 09:04:30 CST | ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for planned Calavers/Skyline 345 kv line outage. | Operational Information | Cancelled |
| Mar 18 2019 08:47:08 CST | The Daily RSASM for Monday March 18, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 18 2019 08:44:19 CST | ERCOT is taking manual actions to pre-posture for planned Calavers/Skyline 345 kv line outage. | Operational Information | Active |
| Mar 18 2019 08:39:34 CST | At 3:25 PM on 03/18/2019, ERCOT will perform site failover of its Energy Market Management Systems. During this time, market communications will be unavailable for about 20 minutes, and real-time communications will be unavailable for about 5 minutes. All systems should re-establish communications automatically. This event will be preceded by a "hot line" call shortly before beginning. | Operational Information | Active |
| Mar 18 2019 08:32:12 CST | The Eskota RAS has been taken out of service/removed from RTCA. | Operational Information | Active |
| Mar 18 2019 07:24:36 CST | The Railroad DC tie is limited to 150 MW thru April 5, 2019 at 19:00 due to a Planned Maintenance Outage. | Operational Information | Active |
| Mar 18 2019 00:03:59 CST | No sudden loss of generation greater than 450 MW occurred on March 17, 2019. | Operational Information | Active |
| Mar 17 2019 15:59:21 CST | ERCOT has cancelled the following notice: The DC_L DC Tie will be unavailable from 10:33 03/14/2019 through 11:00 03/14/2019 due to a forced outage. | Operational Information | Cancelled |
| Mar 17 2019 15:59:14 CST | ERCOT has cancelled the following notice: The DC_L 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 |
| Mar 17 2019 15:59:04 CST | ERCOT has cancelled the following notice: The DC_L DC Tie will be unavailable from 12:00 03/14/2019 through 13:00 03/14/2019 due to a forced outage. | Operational Information | Cancelled |
| Mar 17 2019 15:58:52 CST | ERCOT has cancelled the following notice: The DC_L 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 |
| Mar 17 2019 15:58:43 CST | ERCOT has cancelled the following notice: The DC_L DC Tie will be unavailable from 13:00 03/14/2019 through 15:31 03/14/2019 due to a forced outage. | Operational Information | Cancelled |
| Mar 17 2019 08:48:30 CST | The Daily RSASM for Sunday, March 17, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 17 2019 00:41:47 CST | No sudden loss of generation greater than 450 MW occurred on March 16, 2019. | Operational Information | Active |
| Mar 16 2019 08:47:04 CST | The Daily RSASM for Saturday, March 16, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 16 2019 00:00:33 CST | No sudden loss of generation greater than 450 MW occurred on March 15, 2019. | Operational Information | Active |
| Mar 15 2019 08:49:41 CST | The Daily RSASM for Friday, March 15, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 15 2019 01:45:18 CST | No sudden loss of generation greater than 450 MW occurred on March 14, 2019. | Operational Information | Active |
| Mar 14 2019 15:38:20 CST | DC Tie Outage: The DC_L DC Tie will be unavailable from 13:00 03/14/2019 through 15:31 03/14/2019 due to a forced outage. | Operational Information | Active |
| Mar 14 2019 15:36:42 CST | ERCOT has cancelled the following notice: The DC_L DC Tie will be unavailable from 13:00 03/14/2019 through 23:00 03/14/2019 due to a forced outage. | Operational Information | Cancelled |
| Mar 14 2019 13:00:45 CST | DC Tie Outage: The DC_L DC Tie will be unavailable from 13:00 03/14/2019 through 23:00 03/14/2019 due to a forced outage. | Operational Information | Active |
| Mar 14 2019 11:49:52 CST | DC Tie Curtailment Notice: The DC_L 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 |
| Mar 14 2019 11:48:51 CST | DC Tie Outage: The DC_L DC Tie will be unavailable from 12:00 03/14/2019 through 13:00 03/14/2019 due to a forced outage. | Operational Information | Active |
| Mar 14 2019 10:57:22 CST | DC Tie Curtailment Notice: The DC_L 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 |
| Mar 14 2019 10:50:44 CST | DC Tie Outage: The DC_L DC Tie will be unavailable from 10:33 03/14/2019 through 11:00 03/14/2019 due to a forced outage. | Operational Information | Active |
| Mar 14 2019 08:48:02 CST | The Daily RSASM for Thursday, March 14, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 14 2019 01:18:36 CST | No sudden loss of generation greater than 450 MW occurred on March 13, 2019. | Operational Information | Active |
| Mar 13 2019 18:31:12 CST | ERCOT has cancelled the following notice: The Railroad DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load. | DC Tie Curtailment Notice | Cancelled |
| Mar 13 2019 17:28:34 CST | DC Tie Curtailment Notice: The Railroad DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load. | DC Tie Curtailment Notice | Active |
| Mar 13 2019 09:09:34 CST | ERCOT has cancelled the following notice: The Barney RAS has been disabled for relay maintenance. | Operational Information | Cancelled |
| Mar 13 2019 09:04:01 CST | ERCOT has cancelled the following notice: ERCOT is issuing a Advisory due to severe weather in the Central and North Texas areas. If you experience any issues as a direct result of the weather event, notify ERCOT. Delay any planned or maintenance outages until the storm passes. | Operational Information | Cancelled |
| Mar 13 2019 09:03:44 CST | ERCOT has cancelled the following notice: ERCOT is issuing a Advisory due to severe weather in the Central and North Texas areas. If you experience any issues as a direct result of the weather event, notify ERCOT. Delay any planned or maintenance outages until the storm passes. | Operational Information | Cancelled |
| Mar 13 2019 08:46:52 CST | The Daily RSASM for Wednesday, March 13, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 13 2019 08:05:32 CST | The Barney RAS has been disabled for relay maintenance. | Operational Information | Active |
| Mar 13 2019 05:57:44 CST | ERCOT is issuing a Advisory due to severe weather in the Central and North Texas areas. If you experience any issues as a direct result of the weather event, notify ERCOT. Delay any planned or maintenance outages until the storm passes. | Operational Information | Active |
| Mar 13 2019 01:13:58 CST | No sudden loss of generation greater than 450 MW occurred on March 12, 2019. | Operational Information | Active |
| Mar 12 2019 08:46:20 CST | The Daily RSASM for Tuesday, March 12, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 12 2019 00:10:36 CST | On March 11, 2019, a sudden loss of generation occurred at 21:49 totaling 612 MW. Frequency declined to 59.823 Hz, ERCOT load was 39, 378 MW. | Operational Information | Active |
| Mar 11 2019 21:28:25 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Mar 11 2019 21:24:09 CST | ERCOT Responsive Reserve Has Been Deployed | Operational Information | Active |
| Mar 11 2019 08:46:38 CST | The Daily RSASM for Monday, March 11, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 11 2019 00:01:57 CST | No sudden loss of generation greater than 450 MW occurred on March 10, 2019. | Operational Information | Active |
| Mar 10 2019 08:46:41 CST | The Daily RSASM for Sunday, March 10, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 10 2019 00:00:11 CST | No sudden loss of generation greater than 450 MW occurred on March 9, 2019. | Operational Information | Active |
| Mar 09 2019 08:48:43 CST | The Daily RSASM for Saturday, March 9, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 09 2019 00:11:42 CST | No sudden loss of generation greater than 450 MW occurred on March 8, 2019. | Operational Information | Active |
| Mar 08 2019 08:46:10 CST | The Daily RSASM for Friday, March 8, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 08 2019 04:28:09 CST | ERCOT is working from primary control center. | Operational Information | Active |
| Mar 08 2019 04:27:54 CST | ERCOT has cancelled the following notice: As of 16:22, ERCOT will be operating out of their alternate control center, until further notice. | Operational Information | Cancelled |
| Mar 08 2019 01:21:27 CST | No sudden loss of generation greater than 450 MW occurred on March 7, 2019. | Operational Information | Active |
| Mar 07 2019 21:05:13 CST | As of 16:22, ERCOT will be operating out of their alternate control center, until further notice. | Operational Information | Active |
| Mar 07 2019 08:46:42 CST | The Daily RSASM for Thursday, March 7, 2019 will not be occurring due to zero participating QSEs. | Operational Information | Active |
| Mar 07 2019 00:21:31 CST | No sudden loss of generation greater than 450 MW occurred on March 6, 2019. | Operational Information | Active |
| Mar 07 2019 00:17:39 CST | No sudden loss of generation greater than 450 MW occurred on March 6, 2019. | Operational Information | Active |
| Mar 06 2019 13:00:33 CST | ERCOT has cancelled the following notice: At 12:00 ERCOT is issuing an OCN for a potential extreme cold weather system for early March impacting the ERCOT region from 03/03/19-03/07/19. | Operational Information | Cancelled |
| Mar 06 2019 08:49:33 CST | The Daily RSASM for Wednesday, March 6, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 06 2019 00:21:00 CST | No sudden loss of generation greater than 450 MW occurred on March 5, 2019. | Operational Information | Active |
| Mar 05 2019 08:48:15 CST | The Daily RSASM for Tuesday, March 5, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 05 2019 00:31:24 CST | On March 4, 2019, a sudden loss of generation occurred at 20:11 totaling 452 MW. Frequency declined to 59.930 Hz, ERCOT load was 50, 641 MW. | Operational Information | Active |
| Mar 04 2019 08:48:29 CST | The Daily RSASM for Monday, March 4, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 04 2019 00:01:07 CST | No sudden loss of generation greater than 450 MW occurred on March 3, 2019. | Operational Information | Active |
| Mar 03 2019 08:45:30 CST | The Daily RSASM for Sunday, March 3, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 03 2019 00:02:14 CST | On March 2, 2019, a sudden loss of generation occurred at 03:19 totaling 1212 MW. Frequency declined to 59.774 Hz, ERCOT load was 33, 942 MW. | Operational Information | Active |
| Mar 02 2019 08:46:37 CST | The Daily RSASM for Saturday, March 2, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 02 2019 03:24:33 CST | ERCOT Responsive Reserve Has Been Recalled | Operational Information | Cancelled |
| Mar 02 2019 03:18:57 CST | ERCOT Responsive Reserve Has Been Deployed | Operational Information | Active |
| Mar 02 2019 00:28:59 CST | No sudden loss of generation greater than 450 MW occurred on March 1, 2019. | Operational Information | Active |
| Mar 01 2019 08:47:11 CST | The Daily RSASM for Friday, March 1, 2019 will not be occurring due to zero participating QSEs | Operational Information | Active |
| Mar 01 2019 00:00:44 CST | No sudden loss of generation greater than 450 MW occurred on February 28, 2019. | Operational Information | Active |