MIS LOG IN

Operations Messages

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

Apr 2023 May 2023 Jun 2023 Jul 2023 Aug 2023 Sep 2023
Date & Time Notice Type Status
Sep 22, 2023 9:36:48 PM ERCOT has cancelled the following notice: Ercot has issued an OCN due to ERCOT modifying the PNHNDL Generic Transmission Constraint due to the current transmission outage topology. OCN Cancelled
Sep 22, 2023 10:13:20 AM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 22, 2023 10:09:20 AM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 22, 2023 8:48:26 AM The Daily RSASM for Friday, September 22, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Sep 22, 2023 12:02:56 AM No sudden loss of generation greater than 450 MW occurred on September 21, 2023. Operational Information Active
Sep 21, 2023 7:00:16 PM ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from 09/25/2023 08:00 through 11/03/2023 16:00 due to a planned outage. Operational Information Cancelled
Sep 21, 2023 8:47:58 AM The Daily RSASM for Thursday, September 21, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Sep 21, 2023 12:03:25 AM No sudden loss of generation greater than 450 MW occurred on September 20, 2023. Operational Information Active
Sep 20, 2023 8:47:33 AM The Daily RSASM for Wednesday, September 20, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 20, 2023 12:55:17 AM No sudden loss of generation greater than 450 MW occurred on September 19, 2023. Operational Information Active
Sep 19, 2023 6:05:58 PM The DC_E (East) DC Tie will be unavailable from 09/25/2023 08:00 through 11/03/2023 16:00 due to a planned outage. Operational Information Active
Sep 19, 2023 9:25:36 AM Ercot has issued an OCN due to ERCOT modifying the PNHNDL Generic Transmission Constraint due to the current transmission outage topology. OCN Active
Sep 19, 2023 8:47:08 AM The Daily RSASM for Tuesday, September 19, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 19, 2023 4:05:36 AM ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 until 09/19/2023 04:00. Operational Information Cancelled
Sep 19, 2023 4:05:25 AM ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K7 until 09/19/2023 at 04:00. Advisory Cancelled
Sep 19, 2023 1:26:42 AM Advisory issued for a geomagnetic disturbance of K7 until 09/19/2023 at 04:00. Advisory Active
Sep 19, 2023 12:03:46 AM No sudden loss of generation greater than 450 MW occurred on September 18, 2023. Operational Information Active
Sep 18, 2023 11:20:41 PM The Space Weather Prediction Center has issued a GMD Warning of K-7 until 09/19/2023 04:00. Operational Information Active
Sep 18, 2023 2:26:22 PM ERCOT has cancelled the following notice: Ercot has issued an OCN due to ERCOT modifying the PNHNDL Generic Transmission Constraint due to the current transmission outage topology, effective at 1009. OCN Cancelled
Sep 18, 2023 10:11:13 AM Ercot has issued an OCN due to ERCOT modifying the PNHNDL Generic Transmission Constraint due to the current transmission outage topology, effective at 1009. OCN Active
Sep 18, 2023 8:47:17 AM The Daily RSASM for Monday, September 18, 2023 will not be occurring due to zero participating QSE's. Operational Information Active
Sep 18, 2023 12:22:31 AM No sudden loss of generation greater than 450 MW occurred on September 17, 2023. Operational Information Active
Sep 17, 2023 7:27:02 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 17, 2023 6:56:02 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 17, 2023 8:47:14 AM The Daily RSASM for Sunday, September 17, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 17, 2023 12:04:57 AM No sudden loss of generation greater than 450 MW occurred on September 16, 2023. Operational Information Active
Sep 16, 2023 8:47:46 AM The Daily RSASM for Saturday, September 16, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 16, 2023 3:58:37 AM ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. Operational Information Active
Sep 16, 2023 3:58:21 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
Sep 16, 2023 1:01:55 AM No sudden loss of generation greater than 450 MW occurred on September 15, 2023. Operational Information Active
Sep 15, 2023 3:50:43 PM ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
Sep 15, 2023 8:47:42 AM The Daily RSASM for Friday, September 15, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 15, 2023 12:00:19 AM No sudden loss of generation greater than 450 MW occurred on September 14, 2023. Operational Information Active
Sep 14, 2023 8:48:04 AM The Daily RSASM for Thursday, September 14, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 14, 2023 12:03:39 AM No sudden loss of generation greater than 450 MW occurred on September 13, 2023. Operational Information Active
Sep 13, 2023 8:54:39 AM The Daily RSASM for Wednesday, September 13, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Sep 13, 2023 12:01:06 AM No sudden loss of generation greater than 450 MW occurred on September 12, 2023. Operational Information Active
Sep 12, 2023 8:47:22 AM The Daily RSASM for Tuesday, September 12, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Sep 12, 2023 12:00:36 AM No sudden loss of generation greater than 450 MW occurred on September 11, 2023 Operational Information Active
Sep 11, 2023 4:45:24 PM ERCOT has cancelled the following notice: At 3:25 PM on 09/11/2023, 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
Sep 11, 2023 3:43:23 PM ERCOT Emergency Base Points are Disabled Operational Information Cancelled
Sep 11, 2023 3:42:27 PM ERCOT Emergency Base Points are Enabled Operational Information Active
Sep 11, 2023 10:38:49 AM At 3:25 PM on 09/11/2023, 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
Sep 11, 2023 10:38:29 AM ERCOT has cancelled the following notice: At 3:25 PM on 09/11/2023, 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. Advisory Cancelled
Sep 11, 2023 10:05:24 AM At 3:25 PM on 09/11/2023, 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. Advisory Active
Sep 11, 2023 8:48:33 AM The Daily RSASM for Monday, September 11, 2023 will not be occurring due to zero participating QSE. Operational Information Active
Sep 10, 2023 11:59:54 PM On Sept 10, 2023, a sudden loss of generation occurred at 05:52 totaling 536 MW. Frequency declined to 59.925 Hz, ERCOT load was 45,813 MW. Operational Information Active
Sep 10, 2023 8:48:44 AM The Daily RSASM for Sunday, September 10, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 10, 2023 12:07:46 AM No sudden loss of generation greater than 450 MW occurred on September 9, 2023. Operational Information Active
Sep 9, 2023 8:59:57 PM ERCOT has cancelled the following notice: At 10:30, ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 103°F in the North Central and South Central weather zones, from Thursday, September 07, 2023 until Saturday, September 09, 2023. OCN Cancelled
Sep 9, 2023 8:48:09 AM The Daily RSASM for Saturday, September 9, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 9, 2023 1:05:33 AM On Sept 08, 2023, a sudden loss of generation occurred at 22:05 totaling 820 MW. Frequency declined to 59.902 Hz, ERCOT load was 70,736 MW. Operational Information Active
Sep 8, 2023 8:57:07 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 17:05 for operating day 09/08/23 for HE 20 for 10 MW RRS Operational Information Cancelled
Sep 8, 2023 7:58:01 PM At 19:55, All Non-Spin has been recalled. Operational Information Active
Sep 8, 2023 7:55:29 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2023-09-08 19:55:29, END_TIME: 2023-09-08 19:55:29, DURATION: 0 Hrs 0 Mins.; Operational Information
Sep 8, 2023 7:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 113.9, BEGIN_TIME: 2023-09-08 20:00:00, END_TIME: 2023-09-08 23:59:59, DURATION: 3 Hrs 59 Mins.; Operational Information
Sep 8, 2023 7:32:46 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 8, 2023 6:56:42 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 8, 2023 6:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 114.0, BEGIN_TIME: 2023-09-08 19:00:00, END_TIME: 2023-09-08 23:59:59, DURATION: 4 Hrs 59 Mins.; Operational Information
Sep 8, 2023 5:43:54 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 8, 2023 5:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 105.0, BEGIN_TIME: 2023-09-08 18:00:00, END_TIME: 2023-09-08 23:59:59, DURATION: 5 Hrs 59 Mins.; Operational Information
Sep 8, 2023 4:34:48 PM ERCOT will execute a SASM at 17:05 for operating day 09/08/23 for HE 20 for 10 MW RRS Operational Information Active
Sep 8, 2023 4:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 153.8, BEGIN_TIME: 2023-09-08 17:00:00, END_TIME: 2023-09-08 23:59:59, DURATION: 6 Hrs 59 Mins.; Operational Information
Sep 8, 2023 4:10:07 PM At 16:09 approximately 122.04 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Sep 8, 2023 4:09:10 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 122.0, BEGIN_TIME: 2023-09-08 16:09:09, END_TIME: 2023-09-08 23:59:59, DURATION: 7 Hrs 50 Mins.; Operational Information
Sep 8, 2023 4:06:46 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 8, 2023 8:49:47 AM The Daily RSASM for Friday, September 8, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 8, 2023 5:56:49 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 10:50 for operating day 09/07/23 for 45 MW NSPIN HE 13-14, 40.1 MW NSPIN HE 15, 37 MW NSPIN HE 16, 45 MW NSPIN HE 17-20, 47.1 MW NSPIN HE 21, and 37 MW NSPIN HE 22. Operational Information Cancelled
Sep 8, 2023 12:14:52 AM No sudden loss of generation greater than 450 MW occurred on September 7, 2023. Operational Information Active
Sep 7, 2023 9:00:48 PM ERCOT has cancelled the following notice: ERCOT has issued an appeal through the public news media for energy conservation for September 7, 2023 from 5:00 p.m. - 9:00 p.m. CPT (HE 18-21). Operational Information Cancelled
Sep 7, 2023 9:00:24 PM ERCOT has cancelled the following notice: ERCOT is issuing a Watch for a projected reserve capacity shortage with no market solution available for Thursday, September 07, 2023, HE 19:00 – 20:00, which causes a risk for an EEA event Watch Cancelled
Sep 7, 2023 8:23:42 PM ERCOT has cancelled the following notice: Ercot is issuing a Transmission Watch for post-contingency overload of DELMSAN5 and manual actions are being performed to reduce post contingency overloads. Watch Cancelled
Sep 7, 2023 8:07:11 PM ERCOT has cancelled the following notice: ERCOT is taking manual action using base case constraint PAWNEE-CALAVERS for post contingency overload of DELMSAN5. Operational Information Cancelled
Sep 7, 2023 8:05:35 PM ERCOT has cancelled the following notice: ERCOT is taking manual action using base case constraint PAWNEE-TANGO for post contingency overload of DELMSAN5. Operational Information Cancelled
Sep 7, 2023 8:05:25 PM At 20:04, All Non-Spin has been recalled. Operational Information Active
Sep 7, 2023 8:04:58 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2023-09-07 20:04:57, END_TIME: 2023-09-07 20:04:57, DURATION: 0 Hrs 0 Mins.; Operational Information
Sep 7, 2023 8:03:50 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 7, 2023 7:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 122.4, BEGIN_TIME: 2023-09-07 20:00:00, END_TIME: 2023-09-07 23:59:00, DURATION: 3 Hrs 59 Mins.; Operational Information
Sep 7, 2023 7:00:06 PM ERCOT is taking manual action using base case constraint PAWNEE-TANGO for post contingency overload of DELMSAN5. Operational Information Active
Sep 7, 2023 6:55:59 PM Ercot is issuing a Transmission Watch for post-contingency overload of DELMSAN5 and manual actions are being performed to reduce post contingency overloads. Watch Active
Sep 7, 2023 6:34:46 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 7, 2023 6:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 114.0, BEGIN_TIME: 2023-09-07 19:00:00, END_TIME: 2023-09-07 23:59:00, DURATION: 4 Hrs 59 Mins.; Operational Information
Sep 7, 2023 6:22:49 PM ERCOT is taking manual action using base case constraint PAWNEE-CALAVERS for post contingency overload of DELMSAN5. Operational Information Active
Sep 7, 2023 6:18:01 PM At 18:17 approximately 72 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Sep 7, 2023 6:17:15 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-07 18:17:14, END_TIME: 2023-09-07 23:59:00, DURATION: 5 Hrs 41 Mins.; Operational Information
Sep 7, 2023 10:45:37 AM ERCOT has issued an appeal through the public news media for energy conservation for September 7, 2023 from 5:00 p.m. - 9:00 p.m. CPT (HE 18-21). Operational Information Active
Sep 7, 2023 10:21:01 AM ERCOT will execute a SASM at 10:50 for operating day 09/07/23 for 45 MW NSPIN HE 13-14, 40.1 MW NSPIN HE 15, 37 MW NSPIN HE 16, 45 MW NSPIN HE 17-20, 47.1 MW NSPIN HE 21, and 37 MW NSPIN HE 22. Operational Information Active
Sep 7, 2023 10:00:01 AM ERCOT is issuing a Watch for a projected reserve capacity shortage with no market solution available for Thursday, September 07, 2023, HE 19:00 – 20:00, which causes a risk for an EEA event Watch Active
Sep 7, 2023 8:51:02 AM The Daily RSASM for Thursday, September 7, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 7, 2023 8:16:52 AM ERCOT has cancelled the following notice: At 20:44 All Emergency Response Service 30/10/Weather Sensitive was recalled. Operational Information Cancelled
Sep 7, 2023 8:16:42 AM ERCOT has cancelled the following notice: During the Advisory on 9/6/23, ERCOT requested Transmission Operators to implement distribution voltage reduction measures if available from 19:15 to 20:44. Advisory Cancelled
Sep 7, 2023 8:13:45 AM During the Advisory on 9/6/23, ERCOT requested Transmission Operators to implement distribution voltage reduction measures if available from 19:15 to 20:44. Advisory Active
Sep 7, 2023 12:08:32 AM No sudden loss of generation greater than 450 MW occurred on September 6, 2023. Operational Information Active
Sep 6, 2023 10:23:48 PM At 20:44 All Emergency Response Service 30/10/Weather Sensitive was recalled. Operational Information Active
Sep 6, 2023 9:41:04 PM ERCOT has cancelled the following notice: From 1900 - 2100 09/06/2023 ERCOT took manual actions using Basecase contingency PAWNEE-CALAVERS to mitigate post contingency overloads. Operational Information Cancelled
Sep 6, 2023 9:40:26 PM From 1900 - 2100 09/06/2023 ERCOT took manual actions using Basecase contingency PAWNEE-CALAVERS to mitigate post contingency overloads. Operational Information Active
Sep 6, 2023 9:34:29 PM ERCOT has cancelled the following notice: ERCOT is issuing a Watch for a projected reserve capacity shortage with no market solution available for Wednesday, September 06, 2023, HE 19:00 – 20:00, which causes a risk for an EEA event. Watch Cancelled
Sep 6, 2023 9:34:16 PM ERCOT has cancelled the following notice: ERCOT has issued an appeal through the public news media for energy conservation for September 6, 2023 from 6:00 p.m. - 9:00 p.m. CPT (HE 19-21). Operational Information Cancelled
Sep 6, 2023 9:33:43 PM ERCOT has cancelled the following notice: Reserves are below 3,000 MW. Emergency Response Service 30/10/Weather Sensitive is being deployed. Operational Information Cancelled
Sep 6, 2023 9:04:44 PM At 21:04, All Non-Spin has been recalled. Operational Information Active
Sep 6, 2023 9:04:09 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2023-09-06 21:04:09, END_TIME: 2023-09-06 21:04:09, DURATION: 0 Hrs 0 Mins.; Operational Information
Sep 6, 2023 9:02:39 PM ERCOT has cancelled the following notice: Ercot is issuing a Transmission Watch for post-contingency overload of DELMSAN5 and manual actions are being performed to reduce post contingency overloads. Watch Cancelled
Sep 6, 2023 8:55:54 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 6, 2023 8:51:46 PM At 20:37, ERCOT is ending Energy Emergency Alert 1 and returning to normal operations. Emergency Notice Active
Sep 6, 2023 8:50:22 PM ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW. Advisory Cancelled
Sep 6, 2023 8:45:21 PM ERCOT has cancelled the following notice: At 20:37 ERCOT is ending EEA1. Emergency Notice Cancelled
Sep 6, 2023 8:45:14 PM ERCOT has cancelled the following notice: At 20:27 ERCOT is moving from Energy Emergency Alert 2 to Energy Emergency Alert 1. Emergency Notice Cancelled
Sep 6, 2023 8:44:39 PM CM-ASM-NOTF ERCOT Emergency Response Service-30 is Being Recalled Operational Information Cancelled
Sep 6, 2023 8:44:39 PM CM-ASM-NOTF ERCOT Emergency Response Service-10 is Being Recalled Operational Information Cancelled
Sep 6, 2023 8:38:59 PM At 20:37 ERCOT is ending EEA1. Emergency Notice Active
Sep 6, 2023 8:34:10 PM 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 an actual or anticipated emergency in its Control Area. DC Tie Curtailment Notice Cancelled
Sep 6, 2023 8:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 254.5, BEGIN_TIME: 2023-09-06 21:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 2 Hrs 59 Mins.; Operational Information
Sep 6, 2023 8:29:40 PM At 20:27 ERCOT is moving from Energy Emergency Alert 2 to Energy Emergency Alert 1. Emergency Notice Active
Sep 6, 2023 7:56:53 PM The DC_L (Laredo VFT) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to an actual or anticipated emergency in its Control Area. DC Tie Curtailment Notice Active
Sep 6, 2023 7:55:10 PM ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
Sep 6, 2023 7:35:10 PM ERCOT ONECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 6, 2023 7:35:10 PM ERCOT FFR Has Been Recalled Operational Information Cancelled
Sep 6, 2023 7:35:10 PM ERCOT ONRR Has Been Recalled Operational Information Cancelled
Sep 6, 2023 7:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 115.3, BEGIN_TIME: 2023-09-06 20:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 3 Hrs 59 Mins.; Operational Information
Sep 6, 2023 7:28:01 PM At 19:25, ERCOT has declared Energy Emergency Alert 2. Reserves below 1,750 MW. Load Resources being deployed. No controlled outages at this time. Please conserve energy. Emergency Notice Active
Sep 6, 2023 7:23:38 PM ERCOT ONRR Has Been Deployed Operational Information Active
Sep 6, 2023 7:23:38 PM ERCOT ONECRS HAS BEEN DEPLOYED Operational Information Active
Sep 6, 2023 7:19:46 PM ERCOT FFR Has Been Deployed Operational Information Active
Sep 6, 2023 7:15:39 PM ERCOT is issuing an Advisory due to Physical Responsive Capability being below 3000 MW. Advisory Active
Sep 6, 2023 7:15:04 PM Reserves are below 3,000 MW. Emergency Response Service 30/10/Weather Sensitive is being deployed. Operational Information Active
Sep 6, 2023 7:14:21 PM CM-ASM-NOTF ERCOT Emergency Response Service-10 is Being Deployed Operational Information Active
Sep 6, 2023 7:14:21 PM CM-ASM-NOTF ERCOT Emergency Response Service-30 is Being Deployed Operational Information Active
Sep 6, 2023 6:59:14 PM ERCOT Responsive Reserve Has Been Deployed Operational Information Active
Sep 6, 2023 6:34:26 PM Ercot is issuing a Transmission Watch for post-contingency overload of DELMSAN5 and manual actions are being performed to reduce post contingency overloads. Watch Active
Sep 6, 2023 6:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 115.4, BEGIN_TIME: 2023-09-06 19:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 4 Hrs 59 Mins.; Operational Information
Sep 6, 2023 6:27:06 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 6, 2023 6:26:54 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 6, 2023 5:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 105.0, BEGIN_TIME: 2023-09-06 18:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 5 Hrs 59 Mins.; Operational Information
Sep 6, 2023 4:33:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 131.8, BEGIN_TIME: 2023-09-06 17:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 6 Hrs 59 Mins.; Operational Information
Sep 6, 2023 4:30:21 PM ERCOT has issued an appeal through the public news media for energy conservation for September 6, 2023 from 6:00 p.m. - 9:00 p.m. CPT (HE 19-21). Operational Information Active
Sep 6, 2023 3:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 105.8, BEGIN_TIME: 2023-09-06 16:00:00, END_TIME: 2023-09-06 23:59:59, DURATION: 7 Hrs 59 Mins.; Operational Information
Sep 6, 2023 3:07:27 PM At 15:06 approximately 83.93 MW of Non-Spin has been deployed, anticipated duration is 23:59. Operational Information Active
Sep 6, 2023 3:06:22 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 84.0, BEGIN_TIME: 2023-09-06 15:06:21, END_TIME: 2023-09-06 23:59:59, DURATION: 8 Hrs 53 Mins.; Operational Information
Sep 6, 2023 2:57:10 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 6, 2023 2:07:28 PM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 13:40 for operating day 09/06/23 for HE16-20 for 18.4 MW RRS and for HE21 for 10.5 MW RRS Operational Information Cancelled
Sep 6, 2023 1:10:04 PM ERCOT will execute a SASM at 13:40 for operating day 09/06/23 for HE16-20 for 18.4 MW RRS and for HE21 for 10.5 MW RRS Operational Information Active
Sep 6, 2023 9:30:38 AM ERCOT is issuing a Watch for a projected reserve capacity shortage with no market solution available for Wednesday, September 06, 2023, HE 19:00 – 20:00, which causes a risk for an EEA event. Watch Active
Sep 6, 2023 8:47:53 AM The Daily RSASM for Wednesday, September 6, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 6, 2023 3:13:27 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:40 for operating day 09/06/23 for HE04-10 for 20 MW RRS and 20 MW ECRS. Operational Information Cancelled
Sep 6, 2023 1:07:54 AM ERCOT will execute a SASM at 01:40 for operating day 09/06/23 for HE04-10 for 20 MW RRS and 20 MW ECRS. Operational Information Active
Sep 6, 2023 12:04:53 AM No sudden loss of generation greater than 450 MW occurred on September 5, 2023. Operational Information Active
Sep 5, 2023 8:58:23 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2023-09-05 20:58:23, END_TIME: 2023-09-05 20:58:23, DURATION: 0 Hrs 0 Mins.; Operational Information
Sep 5, 2023 8:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-05 21:00:00, END_TIME: 2023-09-05 23:59:00, DURATION: 2 Hrs 59 Mins.; Operational Information
Sep 5, 2023 8:02:26 PM ERCOT ECRS HAS BEEN RECALLED Operational Information Cancelled
Sep 5, 2023 7:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-05 20:00:00, END_TIME: 2023-09-05 23:59:00, DURATION: 3 Hrs 59 Mins.; Operational Information
Sep 5, 2023 7:20:18 PM ERCOT ECRS HAS BEEN DEPLOYED Operational Information Active
Sep 5, 2023 6:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-05 19:00:00, END_TIME: 2023-09-05 23:59:00, DURATION: 4 Hrs 59 Mins.; Operational Information
Sep 5, 2023 5:33:02 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-05 18:00:00, END_TIME: 2023-09-05 23:59:00, DURATION: 5 Hrs 59 Mins.; Operational Information
Sep 5, 2023 5:14:01 PM CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 72.0, BEGIN_TIME: 2023-09-05 17:14:00, END_TIME: 2023-09-05 23:59:00, DURATION: 6 Hrs 45 Mins.; Operational Information
Sep 5, 2023 10:31:34 AM At 10:30, ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 103°F in the North Central and South Central weather zones, from Thursday, September 07, 2023 until Saturday, September 09, 2023. OCN Active
Sep 5, 2023 8:47:12 AM The Daily RSASM for Tuesday, September 5, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 5, 2023 1:43:30 AM No sudden loss of generation greater than 450 MW occurred on September 4, 2023. Operational Information Active
Sep 4, 2023 8:47:34 AM The Daily RSASM for Monday, September 4, 2023 will not be occurring due to zero participating QSEs. Operational Information Active
Sep 4, 2023 12:23:04 AM No sudden loss of generation greater than 450 MW occurred on September 3, 2023. Operational Information Active
Sep 3, 2023 8:47:22 AM The Daily RSASM for Sunday, September 3, 2023 will not be occurring due to Zero participating QSE's. Operational Information Active
Sep 3, 2023 12:04:58 AM No sudden loss of generation greater than 450 MW occurred on September 2, 2023. Operational Information Active
Sep 2, 2023 10:16:37 AM ERCOT has cancelled the following notice: ERCOT will execute a SASM at 0937 for operating day 09/02/23 for HE 13-21 for 5 MW’s each hour of ECRS. Operational Information Cancelled
Sep 2, 2023 10:16:25 AM ERCOT will execute a SASM at 0937 for operating day 09/02/23 for HE 13-21 for 5 MW’s each hour of ECRS. Operational Information Active
Sep 2, 2023 8:54:46 AM The Daily RSASM for Saturday, September 2, 2023 will not be occurring due to Zero participating QSE's. Operational Information Active
Sep 2, 2023 12:02:12 AM No sudden loss of generation greater than 450 MW occurred on September 1, 2023. Operational Information Active
Sep 1, 2023 8:52:11 AM The Daily RSASM for Friday, September 1, 2023 will not be occurring due to Zero participating QSE's. Operational Information Active
Sep 1, 2023 12:10:04 AM No sudden loss of generation greater than 450 MW occurred on August 31, 2023. Operational Information Active