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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.

Mar 2022 Apr 2022 May 2022 Jun 2022 Jul 2022 Aug 2022
Date & Time Notice Type Status
Apr 30, 2022 2:53:39 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 14:30 for operating day 04/30/22 for HE17-20 for 5 MW RRS Operational Information Cancelled
Apr 30, 2022 2:05:27 PM ERCOT will execute a SASM at 14:30 for operating day 04/30/22 for HE17-20 for 5 MW RRS Operational Information Active
Apr 30, 2022 8:46:43 AM The Daily RSASM for Saturday, April 30, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 30, 2022 12:12:01 AM No sudden loss of generation greater than 450 MW occurred on April 29, 2022. Operational Information Active
Apr 29, 2022 3:17:07 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 14:45 for operating day 04/29/22 for HE17-18 for REGUP; 9.3 MW for HE17 and 9.9 MW for HE18. Operational Information Cancelled
Apr 29, 2022 2:26:20 PM The DC_E (East) DC Tie will be unavailable from 04/29/2022 14:00 through 05/03/2022 18:00 due to a planned outage. Operational Information Active
Apr 29, 2022 2:17:10 PM ERCOT will execute a SASM at 14:45 for operating day 04/29/22 for HE17-18 for REGUP; 9.3 MW for HE17 and 9.9 MW for HE18. Operational Information Active
Apr 29, 2022 10:34:21 AM Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 04/29/2022 is available. Operational Instruction Active
Apr 29, 2022 8:46:35 AM The Daily RSASM for Friday, April 29, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 29, 2022 12:00:32 AM No sudden loss of generation greater than 450 MW occurred on April 28, 2022. Operational Information Active
Apr 28, 2022 2:15:16 PM DAM is complete, DRUC will begin at 15:00 Advisory Active
Apr 28, 2022 1:26:00 PM ERCOT has postponed the deadline for the posting of the DAM solution for Operating Day 04/29/2022 due to long running solution from increased PTP volumes. Advisory Active
Apr 28, 2022 8:46:28 AM The Daily RSASM for Thursday, April 28, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 28, 2022 12:03:40 AM No sudden loss of generation greater than 450 MW occurred on April 27, 2022. Operational Information Active
Apr 27, 2022 8:47:44 AM The Daily RSASM for Wednesday, April 27, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 27, 2022 12:26:38 AM No sudden loss of generation greater than 450 MW occurred on April 26, 2022. Operational Information Active
Apr 27, 2022 12:19:45 AM ERCOT is taking manual actions for an unsolved contingency SBIGTWI5. Operational Information Active
Apr 26, 2022 3:03:37 PM Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 04/26/2022 is available. Operational Instruction Active
Apr 26, 2022 12:00:56 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 04/04/2022 07:00 through 04/26/2022 16:00 due to a planned outage. Operational Information Cancelled
Apr 26, 2022 11:58:16 AM The DC_E (East) DC Tie will be unavailable from 04/04/2022 07:00 through 04/29/2022 16:00 due to a planned outage. Operational Information Active
Apr 26, 2022 8:50:15 AM The Daily RSASM for Tuesday, April 26, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 26, 2022 6:26:25 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 05:40 for operating day 04/26/22 for HE10-24 for 32 MW RRS. Operational Information Cancelled
Apr 26, 2022 5:05:20 AM ERCOT will execute a SASM at 05:40 for operating day 04/26/22 for HE10-24 for 32 MW RRS. Operational Information Active
Apr 26, 2022 3:22:42 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 0310 for operating day 04-26-2022* for HE0600-HE0900 for 12MW's of RRS. Operational Information Cancelled
Apr 26, 2022 2:46:07 AM ERCOT will execute a SASM at 0310 for operating day 04-26-2022* for HE0600-HE0900 for 12MW's of RRS. Operational Information Active
Apr 26, 2022 2:10:36 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 0145 for operating day 04-26-2022* for HE0400-HE0900 for 33MW's of RRS. Advisory Cancelled
Apr 26, 2022 1:31:00 AM ERCOT will execute a SASM at 0145 for operating day 04-26-2022* for HE0400-HE0900 for 33MW's of RRS. Advisory Active
Apr 26, 2022 1:30:29 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 0145 for operating day 04-27-2022 for HE0400-HE0900 for 33MW's of RRS. Operational Information Cancelled
Apr 26, 2022 1:22:34 AM ERCOT will execute a SASM at 0145 for operating day 04-27-2022 for HE0400-HE0900 for 33MW's of RRS. Operational Information Active
Apr 26, 2022 12:01:56 AM No sudden loss of generation greater than 450 MW occurred on April 25, 2022. Operational Information Active
Apr 25, 2022 8:51:19 AM The Daily RSASM for Monday, April 25, 2022 will not be occurring due to zero participating QSEs Operational Information Active
Apr 25, 2022 7:17:05 AM ERCOT has cancelled the following notice: ERCOT is issuing an OCN due to taking manual action on the WESTEX IROL due to a topology change. OCN Cancelled
Apr 25, 2022 12:18:22 AM No sudden loss of generation greater than 450 MW occurred on April 24, 2022 Operational Information Active
Apr 24, 2022 8:46:45 AM The Daily RSASM for Sunday, April 24, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 24, 2022 12:18:12 AM No sudden loss of generation greater than 450 MW occurred on April 23, 2022 Operational Information Active
Apr 23, 2022 8:47:26 AM The Daily RSASM for Saturday, April 23, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 23, 2022 12:27:48 AM No sudden loss of generation greater than 450 MW occurred on April 22, 2022 Operational Information Active
Apr 22, 2022 12:08:59 AM No sudden loss of generation greater than 450 MW occurred on April 21, 2022 Operational Information Active
Apr 21, 2022 8:51:39 AM The Daily RSASM for Thursday, April 21, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 21, 2022 12:09:31 AM No sudden loss of generation greater than 450 MW occurred on April 20, 2022. Operational Information Active
Apr 20, 2022 7:36:54 PM ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Apr 20, 2022 7:31:50 PM ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Apr 20, 2022 8:46:36 AM The Daily RSASM for Wednesday, April 20, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 20, 2022 1:19:02 AM On 4/19/2022, a sudden loss of generation occurred at 15:16 totaling 810 MW. Frequency declined to 59.794 Hz, ERCOT load was 44,901 MW. Operational Information Active
Apr 19, 2022 3:20:54 PM ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Apr 19, 2022 3:16:26 PM ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Apr 19, 2022 8:46:36 AM The Daily RSASM for Tuesday, April 19, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 19, 2022 1:07:13 AM No sudden loss of generation greater than 450 MW occurred on April 18, 2022. Operational Information Active
Apr 18, 2022 7:37:08 PM ERCOT has cancelled the following notice: The BEARKT RAS has been taken out of service Operational Information Cancelled
Apr 18, 2022 8:55:47 AM ERCOT is issuing an OCN due to taking manual action on the PNHNDL IROL due to a topology change. OCN Active
Apr 18, 2022 8:46:27 AM The Daily RSASM for Monday, April 18, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 18, 2022 6:47:18 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/forecasts AS Postings Active
Apr 18, 2022 1:36:44 AM No sudden loss of generation greater than 450 MW occurred on April 17, 2022. Operational Information Active
Apr 17, 2022 10:00:33 PM ERCOT has cancelled the following notice: At 10:00, ERCOT has updated the AAN for a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22 based on changed conditions. QSEs have updated their Resource COPs and the Outage Scheduler. At this time, ERCOT does not seek additional capacity and will not be issuing an OSA. ERCOT has posted an updated AAN Planning Assessment for reference. OCN Cancelled
Apr 17, 2022 10:00:20 PM ERCOT has cancelled the following notice: At 10:30, ERCOT is updating an AAN due to conditions changing and a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22. ERCOT may Delay/Withdraw Approved or Accepted Resource Outages. ERCOT may seek 1,800 MW from an OAE and then make the OSA. On April 13, 2022 at 10:00 ERCOT will execute an OAE. Please notify the ERCOT Client Services if a specific resource cannot be considered in the OAE. OCN Cancelled
Apr 17, 2022 10:00:09 PM ERCOT has cancelled the following notice: At 10:00, ERCOT issued an AAN due to a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22. ERCOT may Delay/Withdraw Approved or Accepted Resource Outages. ERCOT may seek 3,825 MW from an OAE and then make the OSA. On Wednesday, April 13, 2022 at 10:00 ERCOT will execute an OAE if deemed necessary. Please notify the ERCOT Client Services if a specific resource cannot be considered in the OAE. OCN Cancelled
Apr 17, 2022 8:47:09 AM The Daily RSASM for Sunday, April 17, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 17, 2022 12:02:37 AM No sudden loss of generation greater than 450 MW occurred on April 16, 2022. Operational Information Active
Apr 16, 2022 8:46:25 AM The Daily RSASM for Saturday, April 16, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 16, 2022 12:10:49 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 23:45 for operating day 4/16/22 for 7 mw RRS HE3-7. Operational Information Cancelled
Apr 16, 2022 12:04:25 AM No sudden loss of generation greater than 450 MW occurred on April 15, 2022. Operational Information Active
Apr 15, 2022 11:06:56 PM ERCOT will execute a SASM at 23:45 for operating day 4/16/22 for 7 mw RRS HE3-7. Operational Information Active
Apr 15, 2022 7:55:43 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2022-04-15 19:55:43, END_TIME: 2022-04-15 19:55:43, DURATION: 0 Hrs 0 Mins.; Market Message
Apr 15, 2022 3:17:16 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 49.0, BEGIN_TIME: 2022-04-15 15:17:15, END_TIME: 2022-04-15 23:59:59, DURATION: 8 Hrs 42 Mins.; Market Message
Apr 15, 2022 8:46:13 AM The Daily RSASM for Friday, April 15, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 15, 2022 4:08:13 AM ERCOT will be working from the Primary control center until further notice, use the OPX numbers for Taylor. Operational Information Active
Apr 15, 2022 4:07:48 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
Apr 15, 2022 12:07:05 AM No sudden loss of generation greater than 450 MW occurred on April 14, 2022. Operational Information Active
Apr 14, 2022 4:08:57 PM ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
Apr 14, 2022 2:22:51 PM ERCOT has cancelled the following notice: ERCOT is issuing an OCN due to taking manual action on the PNHNDL IROL due to a topology change. OCN Cancelled
Apr 14, 2022 10:00:03 AM At 10:00, ERCOT has updated the AAN for a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22 based on changed conditions. QSEs have updated their Resource COPs and the Outage Scheduler. At this time, ERCOT does not seek additional capacity and will not be issuing an OSA. ERCOT has posted an updated AAN Planning Assessment for reference. OCN Active
Apr 14, 2022 8:46:45 AM The Daily RSASM for Thursday, April 14, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 14, 2022 12:00:14 AM On 04/13/2022, a sudden loss of generation occurred at 07:29 totaling 720 MW. Frequency declined to 59.854 Hz, ERCOT load was 44,345 MW. Operational Information Active
Apr 13, 2022 2:50:59 PM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from 04/08/2022 14:49 through 04/15/2022 17:00 due to a forced outage. Operational Information Cancelled
Apr 13, 2022 10:00:04 AM At 10:30, ERCOT is updating an AAN due to conditions changing and a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22. ERCOT may Delay/Withdraw Approved or Accepted Resource Outages. ERCOT may seek 1,800 MW from an OAE and then make the OSA. On April 13, 2022 at 10:00 ERCOT will execute an OAE. Please notify the ERCOT Client Services if a specific resource cannot be considered in the OAE. OCN Active
Apr 13, 2022 8:46:54 AM The Daily RSASM for Wednesday, April 13, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 13, 2022 7:33:58 AM ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Apr 13, 2022 7:28:46 AM ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Apr 13, 2022 12:47:34 AM No sudden loss of generation greater than 450 MW occurred on April 12, 2022. Operational Information Active
Apr 12, 2022 10:03:01 AM At 10:00, ERCOT issued an AAN due to a possible future Emergency Condition of reserve capacity deficiency beginning Saturday, April 16, 2022 HE 14 until Sunday, April 17, 2022 HE 22. ERCOT may Delay/Withdraw Approved or Accepted Resource Outages. ERCOT may seek 3,825 MW from an OAE and then make the OSA. On Wednesday, April 13, 2022 at 10:00 ERCOT will execute an OAE if deemed necessary. Please notify the ERCOT Client Services if a specific resource cannot be considered in the OAE. OCN Active
Apr 12, 2022 9:39:01 AM ERCOT has cancelled the following notice: ERCOT has been notified that the RAILROAD DC Tie will be derated to 150MW Import/Export due to maintenance beginning Tuesday, 4/12/22@0700 until 4/12/22@1100. Operational Information Cancelled
Apr 12, 2022 8:48:35 AM The Daily RSASM for Tuesday, April 12, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 12, 2022 12:01:40 AM No sudden loss of generation greater than 450 MW occurred on April 11, 2022. Operational Instruction Active
Apr 11, 2022 2:34:33 PM ERCOT is issuing an OCN due to taking manual action on the PNHNDL IROL due to a topology change. OCN Active
Apr 11, 2022 1:25:44 PM ERCOT is issuing an OCN due to taking manual action on the WESTEX IROL due to a topology change. OCN Active
Apr 11, 2022 9:03:30 AM ERCOT has been notified that the RAILROAD DC Tie will be derated to 150MW Import/Export due to maintenance beginning Tuesday, 4/12/22@0700 until 4/12/22@1100. Operational Information Active
Apr 11, 2022 8:47:19 AM The Daily RSASM for Monday, April 11, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 11, 2022 12:02:36 AM No sudden loss of generation greater than 450 MW occurred on April 10, 2022. Operational Information Active
Apr 10, 2022 8:46:26 AM The Daily RSASM for Sunday, April 10, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 10, 2022 4:37:32 AM ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-7 until 04:00 CPT. Advisory Cancelled
Apr 10, 2022 12:47:00 AM Advisory issued for a geomagnetic disturbance of K-7 until 04:00 CPT. Advisory Active
Apr 10, 2022 12:14:51 AM No sudden loss of generation greater than 450 MW occurred on April 9, 2022. Operational Information Active
Apr 10, 2022 12:00:17 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) 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
Apr 9, 2022 3:37:26 PM ERCOT is taking manual actions due to the unsolved contingency SCARFRI8. This contingency is due to the Forced Extension of the Maddux substation. Operational Information Active
Apr 9, 2022 11:20:39 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for the Wett Grelton to Wett Long Draw 345kv planned outage. Operational Information Cancelled
Apr 9, 2022 10:04:30 AM ERCOT is taking manual actions to pre-posture for the Wett Grelton to Wett Long Draw 345kv planned outage. Operational Information Active
Apr 9, 2022 8:46:29 AM The Daily RSASM for Saturday, April 9, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 9, 2022 6:37:29 AM The DC_L (Laredo VFT) 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
Apr 9, 2022 6:29:04 AM The DC_L (Laredo VFT) DC Tie will be unavailable from 04/08/2022 14:49 through 04/15/2022 17:00 due to a forced outage. Operational Information Active
Apr 9, 2022 6:28:17 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from 04/08/2022 14:49 through 04/09/2022 16:00 due to a forced outage. Operational Information Cancelled
Apr 9, 2022 6:28:12 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from 03/21/2022 08:00 through 04/01/2022 16:00 due to a planned outage. Operational Information Cancelled
Apr 9, 2022 12:22:06 AM No sudden loss of generation greater than 450 MW occurred on April 8, 2022. Operational Information Active
Apr 9, 2022 12:21:05 AM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) 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
Apr 8, 2022 5:11:56 PM The DC_L (Laredo VFT) 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
Apr 8, 2022 3:00:46 PM The DC_L (Laredo VFT) DC Tie will be unavailable from 04/08/2022 14:49 through 04/09/2022 16:00 due to a forced outage. Operational Information Active
Apr 8, 2022 8:50:06 AM The Daily RSASM for Friday, April 8, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 8, 2022 12:15:30 AM No sudden loss of generation greater than 450 MW occurred on April 7, 2022. Operational Information Active
Apr 7, 2022 5:39:25 PM ERCOT has cancelled the following notice: At 15:36 on 04/07/2022, ERCOT will perform a site failover of its Energy and 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
Apr 7, 2022 3:08:15 PM At 15:36 on 04/07/2022, ERCOT will perform a site failover of its Energy and 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
Apr 7, 2022 8:51:51 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for the Ajo to Cebolla 345kv planned outage. Operational Information Cancelled
Apr 7, 2022 8:48:13 AM The Daily RSASM for Thursday, April 7, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 7, 2022 8:06:35 AM ERCOT is taking manual actions to pre-posture for the Ajo to Cebolla 345kv planned outage. Operational Information Active
Apr 7, 2022 12:09:57 AM No sudden loss of generation greater than 450 MW occurred on April 6, 2022. Operational Information Active
Apr 6, 2022 4:16:00 PM ERCOT has cancelled the following notice: ERCOT is taking manual actions due to base case overload Operational Information Cancelled
Apr 6, 2022 3:41:05 PM ERCOT is taking manual actions due to base case overload Operational Information Active
Apr 6, 2022 1:40:32 PM ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency Operational Information Cancelled
Apr 6, 2022 9:56:32 AM ERCOT is taking manual actions for an unsolved contingency Operational Information Active
Apr 6, 2022 8:50:13 AM The Daily RSASM for Wednesday, April 6, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 6, 2022 7:32:12 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency Operational Information Cancelled
Apr 6, 2022 7:15:34 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for TREADWEL-SAPOWER planned outage Operational Information Cancelled
Apr 6, 2022 7:05:05 AM ERCOT is taking manual actions to pre-posture for TREADWEL-SAPOWER planned outage Operational Information Active
Apr 6, 2022 5:50:56 AM ERCOT is taking manual actions for an unsolved contingency Operational Information Active
Apr 6, 2022 12:29:30 AM No sudden loss of generation greater than 450 MW occurred on April 5, 2022. Operational Information Active
Apr 5, 2022 7:26:24 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2022-04-05 19:26:23, END_TIME: 2022-04-05 19:26:23, DURATION: 0 Hrs 0 Mins.; Market Message
Apr 5, 2022 3:35:58 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 50.0, BEGIN_TIME: 2022-04-05 15:35:57, END_TIME: 2022-04-05 23:59:00, DURATION: 8 Hrs 23 Mins.; Market Message
Apr 5, 2022 8:46:38 AM The Daily RSASM for Tuesday, April 5, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 5, 2022 12:46:01 AM No sudden loss of generation greater than 450 MW occurred on April 4, 2022. Operational Information Active
Apr 4, 2022 2:20:10 PM Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 04/04/2022 is available. Operational Instruction Active
Apr 4, 2022 8:46:33 AM The Daily RSASM for Monday, April 4, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 4, 2022 8:03:20 AM The BEARKT RAS has been taken out of service Operational Information Active
Apr 4, 2022 12:24:53 AM No sudden loss of generation greater than 450 MW occurred on April 3, 2022. Operational Information Active
Apr 3, 2022 9:55:38 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 21:40 for operating day 04/03/2022 for 26.0 MW RRS HE24. Operational Information Cancelled
Apr 3, 2022 9:04:37 PM ERCOT will execute a SASM at 21:40 for operating day 04/03/2022 for 26.0 MW RRS HE24. Operational Information Active
Apr 3, 2022 8:01:00 PM ERCOT has cancelled the following notice: ERCOT has declared a Watch due to the failure of the SCED process, starting at 18:41 Watch Cancelled
Apr 3, 2022 6:42:39 PM ERCOT has declared a Watch due to the failure of the SCED process, starting at 18:41 Watch Active
Apr 3, 2022 6:42:21 PM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 6:37:29 PM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 6:00:23 PM ERCOT has cancelled the following notice: “ERCOT will execute a SASM at 17:45 for operating day 04/03/2022 for RRS (HE 19: 25.40 MW,HE20: 25.8 MW”), REGUP HE19 14.70MW. Operational Information Cancelled
Apr 3, 2022 5:24:48 PM The DC_E (East) DC Tie will be unavailable from 04/04/2022 07:00 through 04/26/2022 16:00 due to a planned outage. Operational Information Active
Apr 3, 2022 5:07:15 PM “ERCOT will execute a SASM at 17:45 for operating day 04/03/2022 for RRS (HE 19: 25.40 MW,HE20: 25.8 MW”), REGUP HE19 14.70MW. Operational Information Active
Apr 3, 2022 9:00:41 AM The Daily RSASM for Sunday, April 3, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 3, 2022 8:23:13 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 8:22:29 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 7:34:13 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 7:32:29 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 7:23:53 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 7:22:29 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 6:59:25 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 6:52:29 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 6:38:53 AM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Apr 3, 2022 6:32:29 AM ERCOT Emergency Base Points are Enabled Operational Information Active
Apr 3, 2022 3:31:07 AM ERCOT has cancelled the following notice: “ERCOT will execute a SASM at [2:50] for operating day [04/03/2022] for (RRS HE05 4.20 MW, HE06 13.10 MW, HE07 12.90 MW, HE08 12.90 MW, HE09 12.90, HE10 13.10, HE11 13.30 MW, HE12 13.30 MW, HE13 13.30 MW), (REGUP HE08 35.20 MW, HE09 58.10 MW, HE11 50.00 MW, HE12 37.40, HE13 16.20 MW), (NON-SPIN HE07 30 MW, HE08 30 MW, HE09 30 MW, HE10 30 MW) Operational Information Cancelled
Apr 3, 2022 2:26:24 AM “ERCOT will execute a SASM at [2:50] for operating day [04/03/2022] for (RRS HE05 4.20 MW, HE06 13.10 MW, HE07 12.90 MW, HE08 12.90 MW, HE09 12.90, HE10 13.10, HE11 13.30 MW, HE12 13.30 MW, HE13 13.30 MW), (REGUP HE08 35.20 MW, HE09 58.10 MW, HE11 50.00 MW, HE12 37.40, HE13 16.20 MW), (NON-SPIN HE07 30 MW, HE08 30 MW, HE09 30 MW, HE10 30 MW) Operational Information Active
Apr 3, 2022 12:43:52 AM No sudden loss of generation greater than 450 MW occurred on April 2, 2022. Operational Information Active
Apr 2, 2022 8:53:18 PM At 20:51, All Non-Spin has been recalled. Operational Information Active
Apr 2, 2022 8:51:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2022-04-02 20:51:00, END_TIME: 2022-04-02 20:51:00, DURATION: 0 Hrs 0 Mins.; Market Message
Apr 2, 2022 8:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 531.0, BEGIN_TIME: 2022-04-02 21:00:00, END_TIME: 2022-04-02 23:59:59, DURATION: 2 Hrs 59 Mins.; Market Message
Apr 2, 2022 8:20:35 PM At 19:46 approximately 529.2 MW of Non-Spin has been deployed, anticipated duration is 1 hour. Operational Information Active
Apr 2, 2022 7:44:12 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 529.2, BEGIN_TIME: 2022-04-02 20:00:00, END_TIME: 2022-04-02 23:59:59, DURATION: 3 Hrs 59 Mins.; Market Message
Apr 2, 2022 4:55:44 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 45.0, BEGIN_TIME: 2022-04-02 16:55:44, END_TIME: 2022-04-02 23:59:59, DURATION: 7 Hrs 4 Mins.; Market Message
Apr 2, 2022 4:52:00 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2022-04-02 16:51:59, END_TIME: 2022-04-02 16:51:59, DURATION: 0 Hrs 0 Mins.; Market Message
Apr 2, 2022 4:03:56 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 45.0, BEGIN_TIME: 2022-04-02 16:03:55, END_TIME: 2022-04-02 23:59:59, DURATION: 7 Hrs 56 Mins.; Market Message
Apr 2, 2022 8:45:59 AM The Daily RSASM for Saturday, April 2, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 2, 2022 12:44:31 AM No sudden loss of generation greater than 450 MW occurred on April 1, 2022. Operational Information Active
Apr 1, 2022 7:23:10 PM ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from 04/01/2022 14:00 through 04/08/2022 16:00 due to a planned outage. Operational Information Cancelled
Apr 1, 2022 2:06:31 PM The DC_L (Laredo VFT) DC Tie will be unavailable from 04/01/2022 14:00 through 04/08/2022 16:00 due to a planned outage. Operational Information Active
Apr 1, 2022 11:46:45 AM ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for the San Angelo Power-Treadwell 138 kV line outage Operational Information Cancelled
Apr 1, 2022 8:46:26 AM The Daily RSASM for Friday, April 1, 2022 will not be occurring due to zero participating QSEs. Operational Information Active
Apr 1, 2022 7:32:28 AM ERCOT is taking manual actions to pre-posture for the San Angelo Power-Treadwell 138 kV line outage Operational Information Active
Apr 1, 2022 12:20:07 AM No sudden loss of generation greater than 450 MW occurred on March 31, 2022. Operational Information Active