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.)

Jun 2019 Jul 2019 Aug 2019 Sep 2019 Oct 2019 Nov 2019
Date Message Type Status
Nov 17 2019 00:24:58 CST No sudden loss of generation greater than 450 MW occurred on November 16, 2019. Operational Information Active
Nov 16 2019 08:48:58 CST The Daily RSASM for Saturday November 16, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 16 2019 00:05:06 CST No sudden loss of generation greater than 450 MW occurred on November 15, 2019. Operational Information Active
Nov 15 2019 17:55:58 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 13:00 11/15/2019 through 23:59 11/15/2019 due to a forced outage. Operational Information Cancelled
Nov 15 2019 14:35:58 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 13:00 11/15/2019 through 23:59 11/15/2019 due to a forced outage. Operational Information Active
Nov 15 2019 14:35:11 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 16:00 11/14/2019 through 13:00 11/15/2019 due to a forced outage. Operational Information Cancelled
Nov 15 2019 14:35:05 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 08:00 11/14/2019 through 16:00 11/14/2019 due to a planned outage. Operational Information Cancelled
Nov 15 2019 14:20:28 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions using the basecase WHCCS constraint due to our studies indicate a possible localized voltage collapse southwest of DFW area. Operational Information Cancelled
Nov 15 2019 08:47:57 CST The Daily RSASM for Friday, November 15, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 15 2019 04:40:19 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 09:15 11/14/2019 through 23:59 11/14/2019 due to a forced outage. Operational Information Cancelled
Nov 15 2019 04:40:14 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 09:15 11/14/2019 through 23:59 11/14/2019 due to a forced outage. Operational Information Cancelled
Nov 15 2019 00:23:24 CST No sudden loss of generation greater than 450 MW occurred on November 14, 2019. Operational Information Active
Nov 14 2019 22:15:07 CST ERCOT has cancelled the following notice: ERCOT will execute SASM at 18:45 for operating day 11/14/19 for HE 21-24 and for operating day 11/15/19 for HE 01-21 for REGUP 5 MW per hour and for REGDN in the following amounts: 11/14/19 for HE 21-24: 11.4, 12.6, 13.6, 12.6 11/15/19 for HE01: 9.7 MW, HE02: 8.3 MW, HE03: 7.1 MW, HE04: 5.6 MW, HE05: 6.4 MW, HE06: 10.7 MW, HE07: 7.8 MW, HE08: 10.4 MW, HE09: 10.8 MW, HE10: 10.1 MW, HE11: 9.3 MW, HE12: 10.8 MW, HE13: 9.8 MW, HE14: 9.0 MW, HE15: 7.7 MW, HE16: 7.4 MW, HE17: 8.6 MW, HE18: 8.2 MW, HE19: 12.1 MW, HE20: 11.9 MW, HE21: 12.3 MW Operational Information Cancelled
Nov 14 2019 19:14:14 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 16:00 11/14/2019 through 13:00 11/15/2019 due to a forced outage. Operational Information Active
Nov 14 2019 18:17:08 CST ERCOT will execute SASM at 18:45 for operating day 11/14/19 for HE 21-24 and for operating day 11/15/19 for HE 01-21 for REGUP 5 MW per hour and for REGDN in the following amounts: 11/14/19 for HE 21-24: 11.4, 12.6, 13.6, 12.6 11/15/19 for HE01: 9.7 MW, HE02: 8.3 MW, HE03: 7.1 MW, HE04: 5.6 MW, HE05: 6.4 MW, HE06: 10.7 MW, HE07: 7.8 MW, HE08: 10.4 MW, HE09: 10.8 MW, HE10: 10.1 MW, HE11: 9.3 MW, HE12: 10.8 MW, HE13: 9.8 MW, HE14: 9.0 MW, HE15: 7.7 MW, HE16: 7.4 MW, HE17: 8.6 MW, HE18: 8.2 MW, HE19: 12.1 MW, HE20: 11.9 MW, HE21: 12.3 MW Operational Information Active
Nov 14 2019 09:39:16 CST DC Tie Outage: The North DC Tie will be unavailable from 09:15 11/14/2019 through 23:59 11/14/2019 due to a forced outage. Operational Information Active
Nov 14 2019 08:46:57 CST The Daily RSASM for Thursday, November 14, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 14 2019 08:00:00 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 08:00 11/14/2019 through 16:00 11/14/2019 due to a planned outage. Operational Information Active
Nov 14 2019 02:31:38 CST ERCOT has cancelled the following notice: Transmission Emergency Notice has been issued for the Far West Texas Area. Emergency Notice Cancelled
Nov 14 2019 00:44:41 CST No sudden loss of generation greater than 450 MW occurred on November 13, 2019. Operational Information Active
Nov 13 2019 22:38:21 CST Transmission Emergency Notice has been issued for the Far West Texas Area. Emergency Notice Active
Nov 13 2019 19:40:23 CST ERCOT is taking manual actions using the basecase WHCCS constraint due to our studies indicate a possible localized voltage collapse southwest of DFW area. Operational Information Active
Nov 13 2019 08:48:25 CST The Daily RSASM for Wednesday, November 13, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 13 2019 03:00:59 CST No sudden loss of generation greater than 450 MW occurred on November 12, 2019. Operational Information Active
Nov 12 2019 08:47:57 CST The Daily RSASM for Tuesday, November 12, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 12 2019 00:54:49 CST No sudden loss of generation greater than 450 MW occurred on November 11, 2019. Operational Information Active
Nov 11 2019 08:49:15 CST The Daily RSASM for Monday, November 11, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 11 2019 00:26:52 CST No sudden loss of generation greater than 450 MW occurred on November 10, 2019. Operational Information Active
Nov 10 2019 08:46:23 CST The Daily RSASM for Sunday, November 10, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 10 2019 00:26:22 CST No sudden loss of generation greater than 450 MW occurred on November 9, 2019. Operational Information Active
Nov 09 2019 08:46:56 CST The Daily RSASM for Saturday, November 9, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 09 2019 00:59:56 CST No sudden loss of generation greater than 450 MW occurred on November 8, 2019. Operational Information Active
Nov 08 2019 21:01:31 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for Starke - Wirtz, Ferguson - Granite Mountain, Ferguson - Sherwood Shores outage Operational Information Cancelled
Nov 08 2019 20:17:05 CST ERCOT is taking manual actions to pre-posture for Starke - Wirtz, Ferguson - Granite Mountain, Ferguson - Sherwood Shores outage Operational Information Active
Nov 08 2019 19:40:03 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions using the EASTEX GTC for the ENTPR to TRSES 345kV line outage due to an unsolved contingency. Operational Information Cancelled
Nov 08 2019 08:47:32 CST The Daily RSASM for Friday, November 8, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 08 2019 07:06:37 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 06:40 for operating day 11/8/19 for HE 9-24 for RegUp. MW HE 9-11 9.9mw hourly HE 12-18 7.7mw hourly HE 19-24 9.9mw hourly Operational Information Cancelled
Nov 08 2019 06:28:13 CST ERCOT is taking manual actions using the EASTEX GTC for the ENTPR to TRSES 345kV line outage due to an unsolved contingency. Operational Information Active
Nov 08 2019 06:08:51 CST ERCOT will execute a SASM at 06:40 for operating day 11/8/19 for HE 9-24 for RegUp. MW HE 9-11 9.9mw hourly HE 12-18 7.7mw hourly HE 19-24 9.9mw hourly Operational Information Active
Nov 08 2019 05:30:20 CST ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor Operational Information Active
Nov 08 2019 05:28:35 CST ERCOT has cancelled the following notice: ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Cancelled
Nov 08 2019 05:21:35 CST ERCOT has cancelled the following notice: ERCOT is issuing a Watch for failure of SCED. Watch Cancelled
Nov 08 2019 05:10:26 CST ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Nov 08 2019 04:10:34 CST ERCOT Emergency Base Points are Enabled Operational Information Active
Nov 08 2019 04:09:26 CST ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Nov 08 2019 04:09:11 CST ERCOT is issuing a Watch for failure of SCED. Watch Active
Nov 08 2019 04:09:02 CST ERCOT Emergency Base Points are Enabled Operational Information Active
Nov 08 2019 01:46:28 CST No sudden loss of generation greater than 450 MW occurred on November 7, 2019. Operational Information Active
Nov 07 2019 17:16:12 CST ERCOT has cancelled the following notice: 16:18 ERCOT is operating out of their alternate control Center. Operational Information Cancelled
Nov 07 2019 17:16:05 CST ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
Nov 07 2019 16:27:28 CST 16:18 ERCOT is operating out of their alternate control Center. Operational Information Active
Nov 07 2019 08:45:55 CST The Daily RSASM for Thursday, November 7, 2019 will not be occurring due to zero participating QSEs Operational Information Active
Nov 07 2019 00:30:42 CST ERCOT has cancelled the following notice: DAM is complete, DRUC will begin at 1445. Operational Information Cancelled
Nov 07 2019 00:30:20 CST No sudden loss of generation greater than 450 MW occurred on November 6, 2019. Operational Information Active
Nov 06 2019 13:51:26 CST DAM is complete, DRUC will begin at 1445. Operational Information Active
Nov 06 2019 13:30:34 CST ERCOT has postponed the deadline for the posting of the DAM Solution for Operating Day Nov 7, 2019. Due to long running solution. Advisory Active
Nov 06 2019 12:04:50 CST DC Tie Outage: The LARDVFT DC Tie will be unavailable from 07:30 11/11/2019 through 16:00 11/22/2019 due to a planned outage. Operational Information Active
Nov 06 2019 08:48:30 CST The Daily RSASM for Wednesday, November 6, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 06 2019 01:22:41 CST No sudden loss of generation greater than 450 MW occurred on November 5, 2019. Operational Information Active
Nov 05 2019 13:13:04 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions using the EASTEX GTC for the SHBSW to RYSSW 345kV line outage due to an unsolved contingency. Operational Information Cancelled
Nov 05 2019 09:30:47 CST ERCOT is taking manual actions using the EASTEX GTC for the SHBSW to RYSSW 345kV line outage due to an unsolved contingency. Operational Information Active
Nov 05 2019 08:48:18 CST The Daily RSASM for Tuesday, November 5, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 05 2019 00:28:08 CST No sudden loss of generation greater than 450 MW occurred on November 4, 2019. Operational Information Active
Nov 04 2019 18:00:10 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions using the EASTEX GTC for the ENTPR to TRSES 345kV line outage due to an unsolved contingency. Operational Information Cancelled
Nov 04 2019 12:50:44 CST ERCOT is taking manual actions using the EASTEX GTC for the ENTPR to TRSES 345kV line outage due to an unsolved contingency. Operational Information Active
Nov 04 2019 12:50:17 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency. Operational Information Cancelled
Nov 04 2019 10:53:08 CST ERCOT is taking manual actions for an unsolved contingency. Operational Information Active
Nov 04 2019 08:47:24 CST The Daily RSASM for Monday, November 4, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 04 2019 00:17:07 CST No sudden loss of generation greater than 450 MW occurred on November 3, 2019. Operational Information Active
Nov 03 2019 08:46:56 CST The Daily RSASM for Sunday November 3, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 03 2019 00:20:56 CST No sudden loss of generation greater than 450 MW occurred on November 2, 2019. Operational Information Active
Nov 02 2019 08:48:03 CST The Daily RSASM for Saturday November 2, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 02 2019 00:50:48 CST No sudden loss of generation greater than 450 MW occurred on November 1, 2019. Operational Information Active
Nov 01 2019 08:53:25 CST The Daily RSASM for Friday November 1, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
Nov 01 2019 00:15:57 CST No sudden loss of generation greater than 450 MW occurred on October 31, 2019. Operational Information Active