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.)

Apr 2020 May 2020 Jun 2020 Jul 2020 Aug 2020 Sep 2020
Date Message Type Status
Sep 09 2020 12:13:11 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 11:20 for operating day 09/09/20 for HE14 for REGUP 5.5MW, HE15-18 for REGUP 5.3 MW and HE19-24 for REGUP 9.9 MW Operational Information Cancelled
Sep 09 2020 10:52:11 CST ERCOT will execute a SASM at 11:20 for operating day 09/09/20 for HE14 for REGUP 5.5MW, HE15-18 for REGUP 5.3 MW and HE19-24 for REGUP 9.9 MW Operational Information Active
Sep 09 2020 08:47:35 CST The Daily RSASM for Wednesday, September 9, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 09 2020 06:07:18 CST ERCOT has cancelled the following notice: DC TIE OUTAGE: The LAREDO DC tie will be unavailable from 16:03 September 05, 2020 until 09:00 September 08, 2020 due to forced outage. LAREDO Tie is currently available for EMERGENCY TRANSFERS only. Operational Information Cancelled
Sep 09 2020 00:35:53 CST No sudden loss of generation greater than 450 MW occurred on September 8, 2020 Operational Information Active
Sep 08 2020 08:48:05 CST The Daily RSASM for Tuesday, September 8, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 08 2020 00:38:39 CST No sudden loss of generation greater than 450 MW occurred on September 7, 2020 Operational Information Active
Sep 07 2020 08:47:50 CST The Daily RSASM for Monday, September 7, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 07 2020 04:16:06 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Sep 07 2020 04:15:58 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Sep 07 2020 00:42:48 CST No sudden loss of generation greater than 450 MW occurred on September 6, 2020 Operational Information Active
Sep 06 2020 16:08:24 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Sep 06 2020 16:08:13 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 06 2020 08:47:15 CST The Daily RSASM for Sunday September 6, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 06 2020 04:09:36 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Sep 06 2020 00:02:16 CST No sudden loss of generation greater than 450 MW occurred on September 5, 2020 Operational Information Active
Sep 05 2020 16:48:25 CST DC TIE OUTAGE: The LAREDO DC tie will be unavailable from 16:03 September 05, 2020 until 09:00 September 08, 2020 due to forced outage. LAREDO Tie is currently available for EMERGENCY TRANSFERS only. Operational Information Active
Sep 05 2020 16:08:28 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 05 2020 16:08:12 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Sep 05 2020 09:20:43 CST The Daily RSASM for Saturday September 5, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 05 2020 04:10:19 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Sep 05 2020 00:09:52 CST No sudden loss of generation greater than 450 MW occurred on September 4, 2020 Operational Information Active
Sep 04 2020 21:06:16 CST DC Tie Outage: ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 14:00 09/03/2020 due to a forced outage. Operational Information Cancelled
Sep 04 2020 17:18:58 CST ERCOT has cancelled the following notice: At 20:00 on 9/02/2020 the Laredo DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. Operational Information Cancelled
Sep 04 2020 17:16:42 CST DC Tie Outage: ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 17:00 09/04/2020 due to a forced outage. Operational Information Cancelled
Sep 04 2020 16:06:11 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 04 2020 15:38:44 CST DC Tie Curtailment Notice: ERCOT has cancelled the following notice: The Laredo 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
Sep 04 2020 13:50:41 CST DC Tie Curtailment Notice: The Laredo 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
Sep 04 2020 13:49:53 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 17:00 09/04/2020 due to a forced outage. Operational Information Active
Sep 04 2020 13:48:44 CST DC Tie Curtailment Notice: ERCOT has cancelled the following notice: The Laredo 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
Sep 04 2020 13:48:33 CST DC Tie Outage: ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 14:00 09/04/2020 due to a forced outage. Operational Information Cancelled
Sep 04 2020 09:08:39 CST At 20:00 on 9/02/2020 the Laredo DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage. Operational Information Active
Sep 04 2020 08:47:17 CST The Daily RSASM for Friday September 4, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 04 2020 04:11:15 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Sep 04 2020 00:08:07 CST No sudden loss of generation greater than 450 MW occurred on September 3, 2020 Operational Information Active
Sep 03 2020 16:10:14 CST ERCOT has cancelled the following notice: ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Cancelled
Sep 03 2020 16:10:04 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 03 2020 15:33:33 CST DC Tie Curtailment Notice: The Laredo 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
Sep 03 2020 14:28:35 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 14:00 09/04/2020 due to a forced outage. Operational Information Active
Sep 03 2020 08:49:45 CST The Daily RSASM for Thursday September 03, 2020 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 03 2020 04:10:29 CST ERCOT is working from the Primary Control Center, use the OPX numbers for Taylor. Operational Information Active
Sep 03 2020 04:10:04 CST ERCOT has cancelled the following notice: ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Cancelled
Sep 03 2020 00:16:27 CST No sudden loss of generation greater than 450 MW occurred on September 2, 2020 Operational Information Active
Sep 02 2020 17:28:55 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 13:58 09/02/2020 through 14:00 09/03/2020 due to a forced outage. Operational Information Active
Sep 02 2020 17:27:57 CST DC Tie Outage: ERCOT has cancelled the following notice: The LAREDO DC Tie will be unavailable from 13:58 09/02/2020 through 18:00 09/02/2020 due to a forced outage. Operational Information Cancelled
Sep 02 2020 16:14:01 CST ERCOT has cancelled the following notice: ERCOT is Operating from their Primary Control Center. Please use Taylor OPX phone numbers. Operational Information Cancelled
Sep 02 2020 16:13:54 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 02 2020 14:35:47 CST DC Tie Outage: The LAREDO DC Tie will be unavailable from 13:58 09/02/2020 through 18:00 09/02/2020 due to a forced outage. Operational Information Active
Sep 02 2020 08:50:35 CST The Daily RSASM for Wednesday September 02, 2020 will not be occurring due to zero participating QSEs Operational Information Active
Sep 02 2020 04:13:36 CST ERCOT is Operating from their Primary Control Center. Please use Taylor OPX phone numbers. Operational Information Active
Sep 02 2020 02:06:37 CST DC Tie Outage: ERCOT has cancelled the following notice: The Laredo DC Tie will be unavailable from 00:00 09/02/2020 through 23:59 09/02/2020 due to a forced outage. Operational Information Cancelled
Sep 02 2020 00:22:25 CST No sudden loss of generation greater than 450 MW occurred on September 1, 2020 Operational Information Active
Sep 02 2020 00:17:11 CST DC Tie Outage: The Laredo DC Tie will be unavailable from 00:00 09/02/2020 through 23:59 09/02/2020 due to a forced outage. Operational Information Active
Sep 01 2020 18:35:41 CST ERCOT has cancelled the following notice: Transmission Emergency Notice has been issued for the Rio Grande Valley due to a Basecase overload. Emergency Notice Cancelled
Sep 01 2020 18:09:27 CST DC Tie Outage: ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 07:49 08/30/2020 through 19:00 09/01/2020 due to a forced outage. Operational Information Cancelled
Sep 01 2020 16:43:01 CST ERCOT has cancelled the following notice: ERCOT is Operating from their Primary Control Center. Please use Taylor OPX phone number. Operational Information Cancelled
Sep 01 2020 16:42:53 CST ERCOT is working from the Alternate Control Center, use the OPX numbers for Bastrop. Operational Information Active
Sep 01 2020 15:11:03 CST Transmission Emergency Notice has been issued for the Rio Grande Valley due to a Basecase overload. Emergency Notice Active
Sep 01 2020 08:48:40 CST The Daily RSASM for Tuesday September 01, 2020 will not be occurring due to zero participating QSEs Operational Information Active
Sep 01 2020 06:09:33 CST Cancelled RUC commitment’s at 05:46 September 1, 2020 for GRSES Unit 1 1500 - 1600, HLSES Unit 4 1400 – 1700, HLSES Unit 5 1400-1700 and LHSES Unit 1 1500-1700 for September 1, 2020 due to unintended commitment. Operational Information Active
Sep 01 2020 06:03:59 CST No sudden loss of generation greater than 450 MW occurred on August 31, 2020. Operational Information Active
Sep 01 2020 04:11:07 CST ERCOT is Operating from their Primary Control Center. Please use Taylor OPX phone number. Operational Information Active