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Public Notices

This section contains public market notifications required by protocols as well as other market messages ERCOT may post for market transparency. Notices are categorized by types and can be filtered by selecting the desired category. ERCOT began archiving public notices November 3, 2011.

Nov 2023 Dec 2023 Jan 2024 Feb 2024 Mar 2024 Apr 2024
Date & Time Notice Type Status
Jan 31, 2024 8:53:24 AM The Daily RSASM for Wednesday, January 31, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 31, 2024 12:25:59 AM No sudden loss of generation greater than 450 MW occurred on January 30, 2024. Operational Information Active
Jan 30, 2024 11:53:35 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 23:05 for operating day 1/31/24 for REGUP for HE [10, 11, and 16] for [24.9 MWs, 13.5 MWs, and 7.5 MWs] and for HE [9-16, and 23] for (62.5 MWs for HE 9-14, for 55.5 MWs for HE 15, for 44.3 MWs for HE 16, and 62.5 MWs for HE 23]. Operational Information Cancelled
Jan 30, 2024 10:40:06 PM ERCOT will execute a SASM at 23:05 for operating day 1/31/24 for REGUP for HE [10, 11, and 16] for [24.9 MWs, 13.5 MWs, and 7.5 MWs] and for HE [9-16, and 23] for (62.5 MWs for HE 9-14, for 55.5 MWs for HE 15, for 44.3 MWs for HE 16, and 62.5 MWs for HE 23]. Operational Information Active
Jan 30, 2024 8:47:38 AM The Daily RSASM for Tuesday, January 30, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 30, 2024 12:04:04 AM No sudden loss of generation greater than 450 MW occurred on January 29, 2024. Operational Information Active
Jan 29, 2024 8:47:32 AM The Daily RSASM for Monday, January 29, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 29, 2024 12:06:27 AM No sudden loss of generation greater than 450 MW occurred on January 28, 2024. Operational Information Active
Jan 28, 2024 1:56:10 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/28/2024 16:00 due to a forced outage. Operational Information Cancelled
Jan 28, 2024 8:57:04 AM The Daily RSASM for Sunday, January 28, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 28, 2024 4:46:50 AM The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/28/2024 16:00 due to a forced outage. Operational Information Active
Jan 28, 2024 4:44:56 AM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/28/2024 08:45 due to a forced outage. Operational Information Cancelled
Jan 28, 2024 12:01:18 AM No sudden loss of generation greater than 450 MW occurred on January 27, 2024. Operational Information Active
Jan 27, 2024 8:47:38 AM The Daily RSASM for Saturday, January 27, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 27, 2024 12:00:26 AM No sudden loss of generation greater than 450 MW occurred on January 26, 2024. Operational Information Active
Jan 26, 2024 7:08:22 PM ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase Phase Angle in the West Texas area. Operational Information Cancelled
Jan 26, 2024 6:17:14 PM ERCOT is taking manual actions for a Basecase Phase Angle in the West Texas area. Operational Information Active
Jan 26, 2024 8:48:13 AM The Daily RSASM for Friday, January 26, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 26, 2024 12:05:19 AM No sudden loss of generation greater than 450 MW occurred on January 25, 2024. Operational Information Active
Jan 25, 2024 8:51:25 AM The Daily RSASM for Thursday, January 25, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 25, 2024 12:03:50 AM No sudden loss of generation greater than 450 MW occurred on January 24, 2024. Operational Information Active
Jan 24, 2024 8:48:25 AM The Daily RSASM for Wednesday, January 24, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 24, 2024 8:38:52 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 08:15 for operating day 1/24/2024 for HE 11-24 for ECRS in the amount of 1 MW each hour. Operational Information Cancelled
Jan 24, 2024 7:34:22 AM ERCOT will execute a SASM at 08:15 for operating day 1/24/2024 for HE 11-24 for ECRS in the amount of 1 MW each hour. Operational Information Active
Jan 24, 2024 1:21:41 AM No sudden loss of generation greater than 450 MW occurred on January 23, 2024. Operational Information Active
Jan 24, 2024 12:09:38 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Jan 24, 2024 12:02:26 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Jan 23, 2024 8:47:43 AM The Daily RSASM for Tuesday, January 23, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 23, 2024 12:05:16 AM No sudden loss of generation greater than 450 MW occurred on January 22, 2024. Operational Information Active
Jan 22, 2024 1:48:07 PM Market price correction for DAM. For Operating Day (OD) 1/20/2024, an issue occurred resulting in the Day-Ahead Market (DAM) not using the most up-to-date network model information. The impact on prices meets the criteria for price correction in accordance with ERCOT Protocol Section 4.5.3. Completed price correction data will be posted on the ERCOT Market Information System (MIS) as soon as possible, but no later than 10AM on 1/23/2024. Alert Active
Jan 22, 2024 8:58:02 AM The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/28/2024 08:45 due to a forced outage. Operational Information Active
Jan 22, 2024 8:57:04 AM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/23/2024 00:00 due to a forced outage. Operational Information Cancelled
Jan 22, 2024 8:55:16 AM The Daily RSASM for Monday, January 22, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 22, 2024 8:45:31 AM The DC_E (East) DC Tie will be unavailable from 01/22/2024 08:44 through 01/23/2024 00:00 due to a forced outage. Operational Information Active
Jan 22, 2024 7:44:48 AM At 07:38, All Non-Spin has been recalled. Operational Information Active
Jan 22, 2024 7:38:49 AM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2024-01-22 07:38:48, END_TIME: 2024-01-22 07:38:48, DURATION: 0 Hrs 0 Mins.; Operational Information
Jan 22, 2024 7:33:01 AM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 605.5, BEGIN_TIME: 2024-01-22 08:00:00, END_TIME: 2024-01-22 23:59:59, DURATION: 15 Hrs 59 Mins.; Operational Information
Jan 22, 2024 7:18:31 AM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 606.2, BEGIN_TIME: 2024-01-22 07:18:30, END_TIME: 2024-01-22 23:59:59, DURATION: 16 Hrs 41 Mins.; Operational Information
Jan 22, 2024 6:33:01 AM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1248.3, BEGIN_TIME: 2024-01-22 07:00:00, END_TIME: 2024-01-22 23:59:59, DURATION: 16 Hrs 59 Mins.; Operational Information
Jan 22, 2024 5:46:03 AM At 05:42 approximately 780.3 MW of Non-Spin has been deployed, anticipated duration is 3 hours. Operational Information Active
Jan 22, 2024 5:42:46 AM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 780.3, BEGIN_TIME: 2024-01-22 05:42:46, END_TIME: 2024-01-22 23:59:59, DURATION: 18 Hrs 17 Mins.; Operational Information
Jan 22, 2024 3:23:27 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [02:45] for operating day [1/22/24] for HE6 -HE12 for 2.5MW NSPIN. Operational Information Cancelled
Jan 22, 2024 2:12:13 AM ERCOT will execute a SASM at [02:45] for operating day [1/22/24] for HE6 -HE12 for 2.5MW NSPIN. Operational Information Active
Jan 22, 2024 12:11:10 AM On 01/21/2024, a sudden loss of generation occurred at 05:26 totaling 476 MW. Frequency declined to 59.929 Hz, ERCOT load was 56,376 MW. Operational Information Active
Jan 21, 2024 7:11:48 PM Cancelled RUC commitment on 01/21/2024 at 1900 for 01/22/2024 for HE 1800 due to unintended commitment. Operational Information Active
Jan 21, 2024 1:17:43 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [12:30] for operating day [01/21/24] for HE [15] for 60 MW of RRS. Operational Information Cancelled
Jan 21, 2024 11:52:42 AM ERCOT will execute a SASM at [12:30] for operating day [01/21/24] for HE [15] for 60 MW of RRS. Operational Information Active
Jan 21, 2024 11:00:22 AM ERCOT has cancelled the following notice: OCN issued for the predicted extreme cold weather event for the ERCOT Region Friday, January 19, 2024 through Sunday, January 21, 2024. OCN Cancelled
Jan 21, 2024 8:48:45 AM The Daily RSASM for Sunday, January 21, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 21, 2024 12:59:58 AM No sudden loss of generation greater than 450 MW occurred on January 20, 2024. Operational Information Active
Jan 20, 2024 1:23:38 AM No sudden loss of generation greater than 450 MW occurred on January 19, 2024. Operational Information Active
Jan 19, 2024 1:42:50 PM ERCOT has cancelled the following notice: Advisory issued due to ERCOT’s Voltage Security Assessment Tool is currently unavailable. Advisory Cancelled
Jan 19, 2024 1:25:50 PM Advisory issued due to ERCOT’s Voltage Security Assessment Tool is currently unavailable. Advisory Active
Jan 19, 2024 8:51:00 AM The Daily RSASM for Friday, January 19, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 19, 2024 4:55:37 AM The minimum monthly Ancillary Services quantities have been posted to the ERCOT Website; Data Products; Grid; Forecasts under the Projected Ancillary Service Requirements link located under the Reports & Extracts heading. The posted quantities reflect minimum requirements only. ERCOT will follow-up with a Notification if any upward adjustments to these minimum quantities are made. https://mis.ercot.com/secure/data-products/grid/forecast AS Postings Active
Jan 19, 2024 12:07:49 AM ERCOT has cancelled the following notice: At 3:25 PM on 01/18/2024, 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 Cancelled
Jan 19, 2024 12:06:51 AM No sudden loss of generation greater than 450 MW occurred on January 18, 2024. Operational Information Active
Jan 18, 2024 4:44:32 PM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Jan 18, 2024 4:42:20 PM ERCOT Emergency Base Points are Enabled Operational Information Active
Jan 18, 2024 9:50:09 AM At 3:25 PM on 01/18/2024, 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
Jan 18, 2024 8:51:39 AM The Daily RSASM for Thursday, January 18, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 18, 2024 12:00:53 AM No sudden loss of generation greater than 450 MW occurred on January 17, 2024. Operational Information Active
Jan 17, 2024 12:00:04 PM OCN issued for the predicted extreme cold weather event for the ERCOT Region Friday, January 19, 2024 through Sunday, January 21, 2024. OCN Active
Jan 17, 2024 9:01:16 AM ERCOT has cancelled the following notice: ERCOT is issuing an Emergency Notice, the extreme cold weather system is beginning to have an adverse impact on the system such as frozen precipitation near the San Angelo area impacting generation resources. Emergency Notice Cancelled
Jan 17, 2024 9:01:04 AM ERCOT has cancelled the following notice: ERCOT issued a Watch for a projected reserve capacity shortage with no market solution available for Tuesday, January 16, 2024 For HE 08, which causes a risk for an EEA event. Watch Cancelled
Jan 17, 2024 9:00:50 AM ERCOT has cancelled the following notice: ERCOT issued a Watch for a projected reserve capacity shortage with no market solution available for Monday, January 15, 2024 HE 08 and HE 09, which causes a risk for an EEA event. Watch Cancelled
Jan 17, 2024 9:00:40 AM ERCOT has cancelled the following notice: ERCOT has issued a conservation appeal through the public news media for January 15, 2024 from 6:00 a.m. - 10:00 a.m. CPT (HE 07-10). OCN Cancelled
Jan 17, 2024 9:00:30 AM ERCOT has cancelled the following notice: At 12:00, ERCOT is issuing a Watch for the extreme cold weather system approaching the ERCOT Region with temperatures are expected to remain below freezing from Sunday, January 14, 2024 through Wednesday, January 17, 2024 Watch Cancelled
Jan 17, 2024 9:00:16 AM ERCOT has cancelled the following notice: Advisory issued for the predicted extreme cold weather event for the ERCOT Region Sunday, January 14, 2024 through Wednesday, January 17, 2024. Advisory Cancelled
Jan 17, 2024 9:00:05 AM ERCOT has cancelled the following notice: OCN issued for the predicted extreme cold weather event for the ERCOT Region Monday, January 15,2024 through Wednesday, January 17, 2024 OCN Cancelled
Jan 17, 2024 8:48:41 AM The Daily RSASM for Wednesday, January 17, 2024, will not be occurring due to zero participating QSEs. Operational Information Active
Jan 17, 2024 7:34:26 AM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/17/2024 01:00:00, Completion Time 01/17/2024 09:00:00 Operational Information
Jan 17, 2024 7:33:28 AM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/17/2024 01:00:00, Completion Time 01/17/2024 09:00:00 Operational Information
Jan 17, 2024 7:32:38 AM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/17/2024 01:00:00, Completion Time 01/17/2024 09:00:00 Operational Information
Jan 17, 2024 7:31:45 AM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/17/2024 01:00:00, Completion Time 01/17/2024 09:00:00 Operational Information
Jan 17, 2024 12:01:07 AM No sudden loss of generation greater than 450 MW occurred on January 16, 2024. Operational Information Active
Jan 16, 2024 11:02:14 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 23:59:59 Operational Information
Jan 16, 2024 10:59:34 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 23:59:59 Operational Information
Jan 16, 2024 10:58:26 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 23:59:59 Operational Information
Jan 16, 2024 10:57:31 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 23:59:59 Operational Information
Jan 16, 2024 10:36:32 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [13:52] for operating day [01/16/2024] ECRS for HE16 19MW, HE17 26MW, HE18-HE21 30MW, HE22 24MW, HE23 22MW, HE24 24MW RRS for HE16 22MW, HE17 22MW, HE18 – HE 22 28MW, HE23 30MW, HE24 28MW Operational Information Cancelled
Jan 16, 2024 10:36:18 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [10:50] for operating day [01/16/2024] for ECRS HE13 27MW, HE14 23.8MW, HE15 26.5 MW; REGDN HE13 – HE15 6 MW; RRS HE13 48MW, HE14 51.2, HE15 48.5MW Operational Information Cancelled
Jan 16, 2024 8:25:08 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 20:30:00 Operational Information
Jan 16, 2024 8:24:00 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 20:30:00 Operational Information
Jan 16, 2024 7:07:20 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Jan 16, 2024 6:25:12 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Jan 16, 2024 6:03:43 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/17/2024 01:00:00, Completion Time is NULL Operational Information
Jan 16, 2024 6:01:10 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/17/2024 01:00:00, Completion Time is NULL Operational Information
Jan 16, 2024 5:59:37 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 42, Initiation Time 01/17/2024 01:00:00, Completion Time is NULL Operational Information
Jan 16, 2024 5:55:51 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 47, Initiation Time 01/17/2024 01:00:00, Completion Time is NULL Operational Information
Jan 16, 2024 1:58:32 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 14:00:00 Operational Information
Jan 16, 2024 1:58:02 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 14:00:00 Operational Information
Jan 16, 2024 1:56:59 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 14:00:00 Operational Information
Jan 16, 2024 1:56:20 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/16/2024 01:00:00, Completion Time 01/16/2024 14:00:00 Operational Information
Jan 16, 2024 1:20:50 PM ERCOT will execute a SASM at [13:52] for operating day [01/16/2024] ECRS for HE16 19MW, HE17 26MW, HE18-HE21 30MW, HE22 24MW, HE23 22MW, HE24 24MW RRS for HE16 22MW, HE17 22MW, HE18 – HE 22 28MW, HE23 30MW, HE24 28MW Operational Information Active
Jan 16, 2024 10:18:00 AM ERCOT will execute a SASM at [10:50] for operating day [01/16/2024] for ECRS HE13 27MW, HE14 23.8MW, HE15 26.5 MW; REGDN HE13 – HE15 6 MW; RRS HE13 48MW, HE14 51.2, HE15 48.5MW Operational Information Active
Jan 16, 2024 8:49:45 AM The Daily RSASM for Tuesday, January 16, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 16, 2024 5:59:48 AM A Conservation Appeal is in effect today, January 16, from 6 - 9 a.m. CT. ERCOT is asking Texans and businesses to reduce electricity use, if safe to do so, due to continued freezing temperatures and forecasted higher demand this morning. Conservation Active
Jan 16, 2024 1:39:42 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:15 for operating day 1/16/2024 for ECRS for HE 4 in the amount of 19MW, HE 5 in the amount of 20.6 MW, HE 6 in the amount of 23.7 MW, HE 7 in the amount of 25 MW, HE 8 in the amount of 19 MW, HE 9 in the amount of 26 MW, HE 10 in the amount of 23 MW, HE 11 in the amount of 23 MW, HE 12 in the amount of 27 MW; and RRS for HE 4 in the amount of 54MW, HE 5 in the amount of 59.4MW, HE 6 in the amount of 56.3MW, HE 7-11 in the amount of 54MW, HE 12 in the amount of 48MW. Operational Information Cancelled
Jan 16, 2024 12:30:08 AM ERCOT will execute a SASM at 01:15 for operating day 1/16/2024 for ECRS for HE 4 in the amount of 19MW, HE 5 in the amount of 20.6 MW, HE 6 in the amount of 23.7 MW, HE 7 in the amount of 25 MW, HE 8 in the amount of 19 MW, HE 9 in the amount of 26 MW, HE 10 in the amount of 23 MW, HE 11 in the amount of 23 MW, HE 12 in the amount of 27 MW; and RRS for HE 4 in the amount of 54MW, HE 5 in the amount of 59.4MW, HE 6 in the amount of 56.3MW, HE 7-11 in the amount of 54MW, HE 12 in the amount of 48MW. Operational Information Active
Jan 16, 2024 12:06:32 AM No sudden loss of generation greater than 450 MW occurred on January 15, 2024. Operational Information Active
Jan 15, 2024 10:53:57 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 15:00:37, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:53:11 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 15:00:57, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:52:39 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 15:00:59, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:51:59 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 15:00:04, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:51:03 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:50:22 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:49:14 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:48:31 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:47:38 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 10:46:33 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/15/2024 01:00:00, Completion Time 01/15/2024 23:59:59 Operational Information
Jan 15, 2024 7:30:03 PM ERCOT issued a Watch for a projected reserve capacity shortage with no market solution available for Tuesday, January 16, 2024 For HE 08, which causes a risk for an EEA event. Watch Active
Jan 15, 2024 7:27:37 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 7:19:47 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 7:15:19 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 7:13:49 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 7:01:43 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 265, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 6:59:41 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 149, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 6:51:51 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 6:50:41 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 6:49:14 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 42, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 6:45:11 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:15 for operating day 1/15/2024 for ECRS for HE 21 in the amount of 28MW, HE22 in the amount of 20.3 MW, HE23&24 in the amount of 16MW; REGDN for HE21 in the amount of 10MW, HE22-24 in the amount of 15MW; REGUP for HE24 in the amount of 13MW; and RRS for HE 21 in the amount of 45MW, HE22 in the amount of 48.7MW, HE23-24 in the amount of 40MW. Operational Information Cancelled
Jan 15, 2024 6:45:02 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 47, Initiation Time 01/16/2024 01:00:00, Completion Time is NULL Operational Information
Jan 15, 2024 5:35:14 PM ERCOT will execute a SASM at 18:15 for operating day 1/15/2024 for ECRS for HE 21 in the amount of 28MW, HE22 in the amount of 20.3 MW, HE23&24 in the amount of 16MW; REGDN for HE21 in the amount of 10MW, HE22-24 in the amount of 15MW; REGUP for HE24 in the amount of 13MW; and RRS for HE 21 in the amount of 45MW, HE22 in the amount of 48.7MW, HE23-24 in the amount of 40MW. Operational Information Active
Jan 15, 2024 2:32:10 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/15/2024 15:00:37, Completion Time is NULL Operational Information
Jan 15, 2024 2:30:38 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/15/2024 15:00:57, Completion Time is NULL Operational Information
Jan 15, 2024 2:29:22 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/15/2024 15:00:59, Completion Time is NULL Operational Information
Jan 15, 2024 2:28:21 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 20, Initiation Time 01/15/2024 15:00:04, Completion Time is NULL Operational Information
Jan 15, 2024 11:00:03 AM ERCOT has issued a conservation appeal through the public news media for January 16, 2024 from 6:00 a.m. - 09:00 a.m. CPT (HE 07-09). Operational Information Active
Jan 15, 2024 8:52:22 AM The Daily RSASM for Monday, January 15, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 15, 2024 6:00:13 AM A Conservation Appeal is in effect today, January 15, from 6 - 10 a.m. CT. ERCOT is asking Texans and businesses to reduce electricity use, if safe to do so, due to continued freezing temperatures, very high demand, and unseasonably low wind in the morning hours. Conservation Active
Jan 15, 2024 2:30:21 AM ERCOT is issuing an Emergency Notice, the extreme cold weather system is beginning to have an adverse impact on the system such as frozen precipitation near the San Angelo area impacting generation resources. Emergency Notice Active
Jan 15, 2024 12:12:50 AM On 01/14/2020, a sudden loss of generation occurred at 09:15 totaling 747 MW. Frequency declined to 59.923 Hz, ERCOT load was 64,810 MW. Operational Information Active
Jan 14, 2024 6:05:53 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 265, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 6:03:34 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 149, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 6:00:26 PM ERCOT issued a Watch for a projected reserve capacity shortage with no market solution available for Monday, January 15, 2024 HE 08 and HE 09, which causes a risk for an EEA event. Watch Active
Jan 14, 2024 5:57:50 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 01:00:00, Completion Time 01/14/2024 23:59:59 Operational Information
Jan 14, 2024 5:56:45 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 01:00:00, Completion Time 01/14/2024 23:59:00 Operational Information
Jan 14, 2024 5:53:29 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 5:51:37 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 5:47:38 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 5:40:03 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 01/15/2024 01:00:00, Completion Time is NULL Operational Information
Jan 14, 2024 5:35:31 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 05:00:00, Completion Time 01/14/2024 23:59:59 Operational Information
Jan 14, 2024 5:34:41 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 05:00:00, Completion Time 01/14/2024 23:59:59 Operational Information
Jan 14, 2024 5:33:11 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 01:00:00, Completion Time 01/14/2024 23:59:59 Operational Information
Jan 14, 2024 5:32:13 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/14/2024 01:00:00, Completion Time 01/14/2024 23:59:59 Operational Information
Jan 14, 2024 5:01:57 PM ERCOT has issued a conservation appeal through the public news media for January 15, 2024 from 6:00 a.m. - 10:00 a.m. CPT (HE 07-10). OCN Active
Jan 14, 2024 8:49:14 AM The Daily RSASM for Sunday, January 14, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 14, 2024 1:27:19 AM No sudden loss of generation greater than 450 MW occurred on January 13, 2024. Operational Information Active
Jan 13, 2024 5:40:08 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 265, Initiation Time 01/14/2024 01:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 5:38:46 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 149, Initiation Time 01/14/2024 01:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 5:20:31 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 01/14/2024 01:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 5:18:52 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 01/14/2024 01:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 5:15:58 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/13/2024 23:00:00, Completion Time 01/13/2024 23:59:59 Operational Information
Jan 13, 2024 5:14:51 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/13/2024 23:00:00, Completion Time 01/13/2024 23:59:59 Operational Information
Jan 13, 2024 5:09:37 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/13/2024 23:00:00, Completion Time 01/13/2024 20:00:00 Operational Information
Jan 13, 2024 5:00:05 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/13/2024 23:00:00, Completion Time 01/13/2024 20:00:00 Operational Information
Jan 13, 2024 4:59:20 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 01/13/2024 23:00:00, Completion Time 01/13/2024 20:00:00 Operational Information
Jan 13, 2024 4:55:32 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/14/2024 05:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 4:52:36 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 01/14/2024 05:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 4:37:10 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 01/13/2024 23:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 4:33:34 PM CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40 , Initiation Time 01/13/2024 23:00:00, Completion Time is NULL Operational Information
Jan 13, 2024 12:00:01 PM At 12:00, ERCOT is issuing a Watch for the extreme cold weather system approaching the ERCOT Region with temperatures are expected to remain below freezing from Sunday, January 14, 2024 through Wednesday, January 17, 2024 Watch Active
Jan 13, 2024 8:48:42 AM The Daily RSASM for Saturday, January 13, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 13, 2024 12:59:17 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at [00:20] for operating day [01/13/24] for HE 06 for 4.4 MW RRS, HE 07 for 5.2 MW RRS, HE 11 for 10.2 MW RRS, HE 12 for 6.5 MW RRS, HE 17 for 19.9 MW RRS, HE 19 for 24.1 MW RRS, HE 07 for 64.8 MW ECRS, HE 08 for 70 MW ECRS, HE 09 for 70 MW ECRS, HE 10 for 70 MW ECRS, HE 11 for 59.8 MW ECRS, HE 12 for 40.8 MW ECRS, HE 13 for 11.2 MW ECRS, HE 15 for 9.3 MW ECRS, HE 17 for 3.8 MW ECRS, HE 18 for 70 MW ECRS, HE 19 for 5.4 MW ECRS Operational Information Cancelled
Jan 13, 2024 12:32:10 AM No sudden loss of generation greater than 450 MW occurred on January 12, 2024. Operational Information Active
Jan 12, 2024 11:33:52 PM ERCOT will execute a SASM at [00:20] for operating day [01/13/24] for HE 06 for 4.4 MW RRS, HE 07 for 5.2 MW RRS, HE 11 for 10.2 MW RRS, HE 12 for 6.5 MW RRS, HE 17 for 19.9 MW RRS, HE 19 for 24.1 MW RRS, HE 07 for 64.8 MW ECRS, HE 08 for 70 MW ECRS, HE 09 for 70 MW ECRS, HE 10 for 70 MW ECRS, HE 11 for 59.8 MW ECRS, HE 12 for 40.8 MW ECRS, HE 13 for 11.2 MW ECRS, HE 15 for 9.3 MW ECRS, HE 17 for 3.8 MW ECRS, HE 18 for 70 MW ECRS, HE 19 for 5.4 MW ECRS Operational Information Active
Jan 12, 2024 8:30:19 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 20:05 for operating day 01/12/2024 for HE23 for 47.6 MW RRS and for HE24 for 42.3 MW RRS. Operational Information Cancelled
Jan 12, 2024 7:31:42 PM ERCOT will execute a SASM at 20:05 for operating day 01/12/2024 for HE23 for 47.6 MW RRS and for HE24 for 42.3 MW RRS. Operational Information Active
Jan 12, 2024 11:15:39 AM ERCOT has cancelled the following notice: The DC_E (East) 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
Jan 12, 2024 11:03:40 AM Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 01/12/2024 is available. Operational Instruction Active
Jan 12, 2024 10:18:32 AM The DC_E (East) 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
Jan 12, 2024 8:48:03 AM The Daily RSASM for Friday, January 12, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 12, 2024 3:57:55 AM ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. Operational Information Active
Jan 12, 2024 3:57:54 AM 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
Jan 12, 2024 12:23:19 AM No sudden loss of generation greater than 450 MW occurred on January 11, 2024. Operational Information Active
Jan 11, 2024 3:48:50 PM ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
Jan 11, 2024 9:30:01 AM Advisory issued for the predicted extreme cold weather event for the ERCOT Region Sunday, January 14, 2024 through Wednesday, January 17, 2024. Advisory Active
Jan 11, 2024 8:49:05 AM The Daily RSASM for Thursday, January 11, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 11, 2024 12:07:50 AM No sudden loss of generation greater than 450 MW occurred on January 10, 2024. Operational Information Active
Jan 10, 2024 8:50:04 AM The Daily RSASM for Wednesday, January 10, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 10, 2024 12:54:58 AM On 01/09/2024, a sudden loss of generation occurred at 17:51:28 totaling 445.34 MW. Frequency declined to 59.936 Hz, ERCOT load was 52,347 MW. Operational Information Active
Jan 9, 2024 8:47:46 AM The Daily RSASM for Tuesday, January 9, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 9, 2024 12:15:12 AM No sudden loss of generation greater than 450 MW occurred on January 8, 2024. Operational Information Active
Jan 8, 2024 3:30:23 PM OCN issued for the predicted extreme cold weather event for the ERCOT Region Monday, January 15,2024 through Wednesday, January 17, 2024 OCN Active
Jan 8, 2024 8:48:37 AM The Daily RSASM for Monday, January 8, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 8, 2024 12:11:51 AM No sudden loss of generation greater than 450 MW occurred on January 7, 2024. Operational Information Active
Jan 7, 2024 8:48:23 AM The Daily RSASM for Sunday, January 7, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 7, 2024 12:00:57 AM No sudden loss of generation greater than 450 MW occurred on January 6, 2024. Operational Information Active
Jan 6, 2024 9:03:04 AM The Daily RSASM for Saturday, January 6, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 6, 2024 12:12:01 AM No sudden loss of generation greater than 450 MW occurred on January 5, 2024. Operational Information Active
Jan 5, 2024 8:52:08 AM The Daily RSASM for Friday, January 5, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 5, 2024 12:03:03 AM No sudden loss of generation greater than 450 MW occurred on January 4, 2024. Operational Information Active
Jan 4, 2024 8:46:44 AM The Daily RSASM for Thursday, January 4, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 4, 2024 12:10:55 AM No sudden loss of generation greater than 450 MW occurred on January 3, 2024. Operational Information Active
Jan 3, 2024 8:48:22 AM The Daily RSASM for Wednesday, January 3, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 3, 2024 12:11:47 AM No sudden loss of generation greater than 450 MW occurred on January 2, 2024. Operational Information Active
Jan 2, 2024 8:47:22 AM The Daily RSASM for Tuesday, January 2, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 2, 2024 7:54:23 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Corpus Christi area. Operational Information Cancelled
Jan 2, 2024 7:15:52 AM ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Corpus Christi area. Operational Information Active
Jan 2, 2024 12:02:24 AM On Jan 1, 2024, a sudden loss of generation occurred at 20:13 totaling 565 MW. Frequency declined to 59.901 Hz, ERCOT load was 49,548 MW. Operational Information Active
Jan 1, 2024 8:19:53 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Jan 1, 2024 8:13:33 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Jan 1, 2024 8:48:11 AM The Daily RSASM for Monday, January 1, 2024 will not be occurring due to zero participating QSEs. Operational Information Active
Jan 1, 2024 12:01:33 AM No sudden loss of generation greater than 450 MW occurred on December 31, 2023. Operational Information Active