MIS LOG IN

Operations Messages

This section contains important messages from the ERCOT Control Room. Refresh this screen to see current operation messages. 

Sep 2022 Oct 2022 Nov 2022 Dec 2022 Jan 2023 Feb 2023
Date & Time Notice Type Status
Feb 8, 2023 12:31:19 AM No sudden loss of generation greater than 450 MW occurred on February 7, 2023. Operational Information Active
Feb 7, 2023 9:01:08 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 19:50 for operating day 02/07/2023 for HE22-23 for 5.2 MW REGDN. Operational Information Cancelled
Feb 7, 2023 7:18:42 PM ERCOT will execute a SASM at 19:50 for operating day 02/07/2023 for HE22-23 for 5.2 MW REGDN. Operational Information Active
Feb 7, 2023 2:17:45 PM Notification of SCED Prices under investigation. Due to an issue related to the calculation of flow over a Generic Transmission Constraint (GTC) used in SCED, ERCOT is investigating the Real-Time Prices for SCED intervals 21:20 – 21:35 on Operating Day (OD) 2/5/2023, and SCED intervals 08:25 – 09:25, 10:05 on OD 2/6/2023. These SCED intervals correspond to Settlement Intervals 21:30 - 21:45 for OD 2/5/2023, and Settlement Intervals 08:30 - 09:30, 10:15 for OD 2/6/2023. A follow-up notice will be sent out as soon as the investigation is complete. If a Real-Time price correction is needed for OD 2/5/2023, the posting deadline is 16:00 on 2/7/2023. If a Real-Time price correction is needed for OD 2/6/2023, the posting deadline is 16:00 on 2/8/2023. Alert Active
Feb 7, 2023 8:47:34 AM The Daily RSASM for Tuesday, February 7, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 7, 2023 12:04:58 AM No sudden loss of generation greater than 450 MW occurred on February 6, 2023. Operational Information Active
Feb 6, 2023 8:47:54 AM The Daily RSASM for Monday, February 6, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Feb 6, 2023 12:06:08 AM No sudden loss of generation greater than 450 MW occurred on February 5, 2023. Operational Information Active
Feb 5, 2023 8:48:27 AM The Daily RSASM for Sunday, February 5, 2023, will not be occurring due to Zero participating QSE's. Operational Information Active
Feb 5, 2023 12:00:06 AM No sudden loss of generation greater than 450 MW occurred on February 4, 2023. Operational Information Active
Feb 4, 2023 8:48:49 AM The Daily RSASM for Saturday, February 4, 2023 will not be occurring due to zero participating QSE Operational Information Active
Feb 4, 2023 12:02:29 AM No sudden loss of generation greater than 450 MW occurred on February 3, 2023. Operational Information Active
Feb 3, 2023 11:51:50 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for the Hill Country to Marion 345kv line outage. Operational Information Cancelled
Feb 3, 2023 10:18:04 AM ERCOT is taking manual actions to pre-posture for the Hill Country to Marion 345kv line outage. Operational Information Active
Feb 3, 2023 8:55:07 AM ERCOT has cancelled the following notice: Extending the Watch issued due to a potential freezing precipitation event for the Panhandle, North, West and Central areas of the ERCOT Region beginning on Monday, January 30, 2023 through Thursday, February 2, 2023 until Friday, February 3, 2023 at 12:00. Watch Cancelled
Feb 3, 2023 8:54:59 AM ERCOT has cancelled the following notice: Watch issued due to a potential freezing precipitation event for the Panhandle, North, West and Central areas of the ERCOT Region beginning on Monday, January 30, 2023 through Thursday, February 2, 2023. Watch Cancelled
Feb 3, 2023 8:54:45 AM ERCOT has cancelled the following notice: Advisory issued due to a potential freezing precipitation event for the Panhandle, North, West and Central areas of the ERCOT Region beginning on Monday, January 30, 2023 through Thursday, February 2, 2023. Advisory Cancelled
Feb 3, 2023 8:54:30 AM ERCOT has cancelled the following notice: OCN issued due to a potential freezing precipitation event for the Panhandle, North and West areas of the ERCOT Region beginning on Tuesday, January 31, 2023 through Thursday, February 2, 2023. OCN Cancelled
Feb 3, 2023 8:48:12 AM The Daily RSASM for Friday, February 3, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Feb 3, 2023 7:44:12 AM ERCOT has cancelled the following notice: At 13:00, QSEs representing Firm Fuel Supply Service Resources (FFSSRs) shall begin preparations for potential FFSS deployment. Operational Information Cancelled
Feb 3, 2023 12:04:22 AM No sudden loss of generation greater than 450 MW occurred on February 2, 2023. Operational Information Active
Feb 2, 2023 5:59:14 PM On 02/02/2023 at 12:41, ERCOT instructed a(n) Load Curtailment totaling 50MW in the Leander, Andice Texas area. All Load Curtailments were restored on 02/02/2023 at 15:30. Operational Information Active
Feb 2, 2023 5:36:25 PM ERCOT has been notified that the RAILROAD DC Tie has been derated to 150MW Import/Export until February 27, 2023 at 0659 Operational Information Active
Feb 2, 2023 3:35:49 PM ERCOT has cancelled the following notice: At 1222, ERCOT is issuing a Transmission Emergency for local congestion (contingency DBERNAR8) and unsolved contingencies in the Leander and Andice area due to numerous forced outages. Emergency Notice Cancelled
Feb 2, 2023 12:23:24 PM At 1222, ERCOT is issuing a Transmission Emergency for local congestion (contingency DBERNAR8) and unsolved contingencies in the Leander and Andice area due to numerous forced outages. Emergency Notice Active
Feb 2, 2023 10:00:24 AM Extending the Watch issued due to a potential freezing precipitation event for the Panhandle, North, West and Central areas of the ERCOT Region beginning on Monday, January 30, 2023 through Thursday, February 2, 2023 until Friday, February 3, 2023 at 12:00. Watch Active
Feb 2, 2023 8:50:17 AM The Daily RSASM for Thursday, February 2, 2023 will not be occurring due to Zero participating QSE's. Operational Information Active
Feb 2, 2023 1:02:15 AM No sudden loss of generation greater than 450 MW occurred on February 1, 2023. Advisory Active
Feb 1, 2023 10:20:40 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 09:45 for operating day 02/01/23 for 4.3 MW RRS HE 12, 4.5 MW RRS HE 13, 4 MW RRS HE 14, 2.4 MW RRS HE 15-HE 19, 2.3 MW RRS HE 20, 9 MW RRS HE 21, 2.4 MW RRS HE 22-HE 24. Operational Information Cancelled
Feb 1, 2023 9:25:42 AM ERCOT will execute a SASM at 09:45 for operating day 02/01/23 for 4.3 MW RRS HE 12, 4.5 MW RRS HE 13, 4 MW RRS HE 14, 2.4 MW RRS HE 15-HE 19, 2.3 MW RRS HE 20, 9 MW RRS HE 21, 2.4 MW RRS HE 22-HE 24. Operational Information Active
Feb 1, 2023 8:47:41 AM The Daily RSASM for Wednesday, February 1, 2023, will not be occurring due to zero participating QSEs. Operational Information Active
Feb 1, 2023 12:23:36 AM No sudden loss of generation greater than 450 MW occurred on January 31, 2023. Operational Information Active