| Feb 29, 2024 8:47:27 AM |
The Daily RSASM for Thursday, February 29, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 29, 2024 12:03:34 AM |
On 02/28/2024, a sudden loss of generation occurred at 02:29 totaling 534.04 MW. Frequency declined to 59.918 Hz, ERCOT load was 38,846 MW. Another sudden loss of generation occurred at 10:15 totaling 603.50 MW. Frequency declined to 59.901 Hz, ERCOT load was 46,321 MW. |
Operational Information |
Active |
| Feb 28, 2024 10:19:13 AM |
ERCOT ECRS HAS BEEN RECALLED |
Operational Information |
Cancelled |
| Feb 28, 2024 10:16:05 AM |
ERCOT ECRS HAS BEEN DEPLOYED |
Operational Information |
Active |
| Feb 28, 2024 8:48:05 AM |
The Daily RSASM for Wednesday, February 28, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 28, 2024 12:08:17 AM |
On 02/27/2024, a sudden loss of generation occurred at 09:21:15 totaling 760.59 MW. Frequency declined to 59.845 Hz, ERCOT load was 45,867 MW. |
Operational Information |
Active |
| Feb 27, 2024 9:28:29 AM |
ERCOT ECRS HAS BEEN RECALLED |
Operational Information |
Cancelled |
| Feb 27, 2024 9:21:17 AM |
ERCOT ECRS HAS BEEN DEPLOYED |
Operational Information |
Active |
| Feb 27, 2024 8:47:59 AM |
The Daily RSASM for Tuesday, February 27, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 27, 2024 1:41:53 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:15 for operating day 2/27/2024 for Reg Down for HE 5 in the amount of 5.4MW, HE 7 in the amount of 14.8 MW, HE 8 in the amount of 53.7 MW, and HE 9 in the amount of 32.7 MW. |
Operational Information |
Cancelled |
| Feb 27, 2024 12:30:55 AM |
ERCOT will execute a SASM at 01:15 for operating day 2/27/2024 for Reg Down for HE 5 in the amount of 5.4MW, HE 7 in the amount of 14.8 MW, HE 8 in the amount of 53.7 MW, and HE 9 in the amount of 32.7 MW. |
Operational Information |
Active |
| Feb 27, 2024 12:00:54 AM |
No sudden loss of generation greater than 450 MW occurred on February 26, 2024. |
Operational Information |
Active |
| Feb 26, 2024 8:48:27 AM |
The Daily RSASM for Monday, February 26, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 26, 2024 12:06:31 AM |
No sudden loss of generation greater than 450 MW occurred on February 25, 2024. |
Operational Information |
Active |
| Feb 25, 2024 8:48:06 AM |
The Daily RSASM for Sunday, February 25, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 25, 2024 12:26:30 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 00:05 for operating day 02/25/24 for HE06 for 2.1 MW REGDN and 9.7 MW REGUP, for HE08 for 43.6 MW REGDN, and for HE09 for 54.5 MW REGDN |
Operational Information |
Cancelled |
| Feb 25, 2024 12:02:02 AM |
No sudden loss of generation greater than 450 MW occurred on February 24, 2024. |
Operational Information |
Active |
| Feb 24, 2024 11:30:32 PM |
ERCOT will execute a SASM at 00:05 for operating day 02/25/24 for HE06 for 2.1 MW REGDN and 9.7 MW REGUP, for HE08 for 43.6 MW REGDN, and for HE09 for 54.5 MW REGDN |
Operational Information |
Active |
| Feb 24, 2024 8:48:29 AM |
The Daily RSASM for Saturday, February 24, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 24, 2024 12:02:03 AM |
No sudden loss of generation greater than 450 MW occurred on February 23, 2024. |
Operational Information |
Active |
| Feb 23, 2024 2:44:21 PM |
The DC_L (Laredo VFT) DC Tie will be unavailable from
03/04/2024 08:00 through 03/15/2024 16:00 due to a planned outage. |
Operational Information |
Active |
| Feb 23, 2024 8:48:32 AM |
The Daily RSASM for Friday, February 23, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 23, 2024 12:48:10 AM |
No sudden loss of generation greater than 450 MW occurred on February 22, 2024. |
Operational Information |
Active |
| Feb 22, 2024 8:48:58 AM |
The Daily RSASM for Thursday, February 22, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 22, 2024 8:32:10 AM |
ERCOT has cancelled the following notice: ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Cancelled |
| Feb 22, 2024 12:05:45 AM |
No sudden loss of generation greater than 450 MW occurred on February 21, 2024. |
Operational Information |
Active |
| Feb 21, 2024 8:47:41 AM |
The Daily RSASM for Wednesday, February 21, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 21, 2024 6:10:18 AM |
ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Active |
| Feb 21, 2024 12:20:38 AM |
No sudden loss of generation greater than 450 MW occurred on February 20, 2024. |
Operational Information |
Active |
| Feb 20, 2024 6:16:35 PM |
ERCOT has cancelled the following notice: ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Cancelled |
| Feb 20, 2024 6:09:32 PM |
ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Active |
| Feb 20, 2024 4:21:40 PM |
ERCOT has cancelled the following notice: ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Cancelled |
| Feb 20, 2024 3:51:21 PM |
ERCOT taking manual action to mitigate transmission congestion in Rio Grande Valley area. |
Operational Information |
Active |
| Feb 20, 2024 8:47:16 AM |
The Daily RSASM for Tuesday, February 20, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 20, 2024 12:19:22 AM |
No sudden loss of generation greater than 450 MW occurred on February 19, 2024. |
Operational Information |
Active |
| Feb 19, 2024 6:50:56 PM |
ERCOT has cancelled the following notice: At 18:33 approximately 550 MW total of Non-Spin has been Recalled, and Approximately 845 MWs remain deployed with anticipated duration is 23:59:00 . |
Operational Information |
Cancelled |
| Feb 19, 2024 6:50:44 PM |
At 18:50, All Non-Spin has been recalled. |
Operational Information |
Active |
| Feb 19, 2024 6:50:26 PM |
ERCOT has cancelled the following notice: At 17:55 approximately 1392 MW total of Non-Spin has been deployed, anticipated duration is 23:59:00. |
Operational Information |
Cancelled |
| Feb 19, 2024 6:50:02 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2024-02-19 18:50:02, END_TIME: 2024-02-19 18:50:02, DURATION: 0 Hrs 0 Mins.; |
Operational Information |
|
| Feb 19, 2024 6:39:07 PM |
At 18:33 approximately 550 MW total of Non-Spin has been Recalled, and Approximately 845 MWs remain deployed with anticipated duration is 23:59:00 . |
Operational Information |
Active |
| Feb 19, 2024 6:33:46 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 844.7, BEGIN_TIME: 2024-02-19 19:00:00, END_TIME: 2024-02-19 23:59:00, DURATION: 4 Hrs 59 Mins.; |
Operational Information |
|
| Feb 19, 2024 6:33:02 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1399.6, BEGIN_TIME: 2024-02-19 19:00:00, END_TIME: 2024-02-19 23:59:00, DURATION: 4 Hrs 59 Mins.; |
Operational Information |
|
| Feb 19, 2024 5:57:56 PM |
At 17:55 approximately 1392 MW total of Non-Spin has been deployed, anticipated duration is 23:59:00. |
Operational Information |
Active |
| Feb 19, 2024 5:55:32 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1392.4, BEGIN_TIME: 2024-02-19 17:55:32, END_TIME: 2024-02-19 23:59:00, DURATION: 6 Hrs 3 Mins.; |
Operational Information |
|
| Feb 19, 2024 5:47:07 PM |
At 17:46 approximately 839 MW of Non-Spin has been deployed, anticipated duration is 23:59:00.
|
Operational Information |
Active |
| Feb 19, 2024 5:46:07 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 839.0, BEGIN_TIME: 2024-02-19 17:46:06, END_TIME: 2024-02-19 23:59:00, DURATION: 6 Hrs 12 Mins.; |
Operational Information |
|
| Feb 19, 2024 5:44:55 PM |
ERCOT has cancelled the following notice: ERCOT taking manual action to mitigate transmission congestion in Rio Grand Valley area. |
Operational Information |
Cancelled |
| Feb 19, 2024 5:37:57 PM |
ERCOT taking manual action to mitigate transmission congestion in Rio Grand Valley area. |
Operational Information |
Active |
| Feb 19, 2024 8:47:18 AM |
The Daily RSASM for Monday February 19, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 19, 2024 12:16:19 AM |
No sudden loss of generation greater than 450 MW occurred on February 18, 2024. |
Operational Information |
Active |
| Feb 19, 2024 12:00:50 AM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
02/18/2024 23:00 through 02/19/2024 09:00 due to a forced outage. |
Operational Information |
Cancelled |
| Feb 18, 2024 11:11:23 PM |
The DC_E (East) DC Tie will be unavailable from
02/18/2024 23:00 through 02/19/2024 09:00 due to a forced outage. |
Operational Information |
Active |
| Feb 18, 2024 11:11:40 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture to prevent for a 345 KV Forced outage in the West Texas area. |
Operational Information |
Cancelled |
| Feb 18, 2024 9:08:25 AM |
ERCOT is taking manual actions to pre-posture to prevent for a 345 KV Forced outage in the West Texas area. |
Operational Information |
Active |
| Feb 18, 2024 9:08:09 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 345 KV Forced outage in the West Texas area. |
Operational Information |
Cancelled |
| Feb 18, 2024 8:53:58 AM |
ERCOT is taking manual actions to pre-posture for a 345 KV Forced outage in the West Texas area. |
Operational Information |
Active |
| Feb 18, 2024 8:51:53 AM |
The Daily RSASM for Sunday, February 18, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 18, 2024 12:02:13 AM |
No sudden loss of generation greater than 450 MW occurred on February 17, 2024. |
Operational Information |
Active |
| Feb 17, 2024 6:58:08 PM |
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 |
| Feb 17, 2024 8:48:03 AM |
The Daily RSASM for Saturday, February 17, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 17, 2024 12:01:25 AM |
No sudden loss of generation greater than 450 MW occurred on February 16, 2024. |
Operational Information |
Active |
| Feb 16, 2024 2:12:38 PM |
DAM is complete, DRUC will begin at 1510. |
Operational Information |
Active |
| Feb 16, 2024 1:19:21 PM |
ERCOT has postponed the deadline for the posting of the DAM solution for Operating Day 02/17/2024 due to long solution run time. |
Advisory |
Active |
| Feb 16, 2024 8:55:21 AM |
The Daily RSASM for Friday, February 16, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 16, 2024 12:30:36 AM |
No sudden loss of generation greater than 450 MW occurred on February 15, 2024. |
Operational Information |
Active |
| Feb 15, 2024 8:56:13 AM |
The Daily RSASM for Thursday, February 15, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 15, 2024 12:07:27 AM |
No sudden loss of generation greater than 450 MW occurred on February 14, 2024. |
Operational Information |
Active |
| Feb 14, 2024 8:49:02 AM |
The Daily RSASM for Wednesday, February 14, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 14, 2024 7:17:23 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 06:40 for operating day 02/14/2024 for 18.5 MW RRS HE 12-16. |
Operational Information |
Cancelled |
| Feb 14, 2024 6:04:30 AM |
ERCOT will execute a SASM at 06:40 for operating day 02/14/2024 for 18.5 MW RRS HE 12-16. |
Operational Information |
Active |
| Feb 14, 2024 2:17:01 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 02:00 for operating day 02/14/24 for HE05-06 for 18.5 MW RRS |
Operational Information |
Cancelled |
| Feb 14, 2024 1:35:18 AM |
No sudden loss of generation greater than 450 MW occurred on February 13, 2024. |
Operational Information |
Active |
| Feb 14, 2024 1:27:58 AM |
ERCOT will execute a SASM at 02:00 for operating day 02/14/24 for HE05-06 for 18.5 MW RRS |
Operational Information |
Active |
| Feb 13, 2024 6:39:51 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:25 for operating day 02/13/24 for HE23-24 for 14.5 MW ECRS |
Operational Information |
Cancelled |
| Feb 13, 2024 5:55:03 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase in the South Central area. |
Operational Information |
Cancelled |
| Feb 13, 2024 5:50:00 PM |
ERCOT will execute a SASM at 18:25 for operating day 02/13/24 for HE23-24 for 14.5 MW ECRS |
Operational Information |
Active |
| Feb 13, 2024 9:02:07 AM |
ERCOT is taking manual actions for a Basecase in the South Central area. |
Operational Information |
Active |
| Feb 13, 2024 8:50:03 AM |
The Daily RSASM for Tuesday, February 13, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 13, 2024 3:34:49 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 03:10 for operating day 02/13/24 for ECRS: 14.5 MW for HE06-22 and for NSPIN in the following amounts: 40.6 MW for HE06, 24.6 MW for HE08, 30.6 MW for HE09-15, 36.1 MW for HE16, 40.6 MW for HE17-18, 30.6 MW for HE19-22 |
Operational Information |
Cancelled |
| Feb 13, 2024 2:37:33 AM |
ERCOT will execute a SASM at 03:10 for operating day 02/13/24 for ECRS: 14.5 MW for HE06-22 and for NSPIN in the following amounts: 40.6 MW for HE06, 24.6 MW for HE08, 30.6 MW for HE09-15, 36.1 MW for HE16, 40.6 MW for HE17-18, 30.6 MW for HE19-22 |
Operational Information |
Active |
| Feb 13, 2024 12:07:06 AM |
No sudden loss of generation greater than 450 MW occurred on February 12, 2024. |
Operational Information |
Active |
| Feb 12, 2024 5:45:23 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase in the South Central area. |
Operational Information |
Cancelled |
| Feb 12, 2024 10:01:11 AM |
ERCOT is taking manual actions for a Basecase in the South Central area. |
Operational Information |
Active |
| Feb 12, 2024 8:49:20 AM |
The Daily RSASM for Monday, February 12, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 12, 2024 12:03:28 AM |
No sudden loss of generation greater than 450 MW occurred on February 11, 2024. |
Operational Information |
Active |
| Feb 11, 2024 8:47:20 AM |
The Daily RSASM for Sunday, February 11, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 11, 2024 6:09:34 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [0535] for operating day [02/11/2024] for HE [8 through 11] for [18.5] MW [RRS]. |
Operational Information |
Cancelled |
| Feb 11, 2024 5:09:57 AM |
ERCOT will execute a SASM at [0535] for operating day [02/11/2024] for HE [8 through 11] for [18.5] MW [RRS]. |
Operational Information |
Active |
| Feb 11, 2024 12:12:04 AM |
No sudden loss of generation greater than 450 MW occurred on February 10, 2024. |
Operational Information |
Active |
| Feb 10, 2024 8:46:00 AM |
The Daily RSASM for Saturday, February 10, 2024 will not be occurring due to zero participating QSEs. |
Advisory |
Active |
| Feb 10, 2024 12:11:46 AM |
No sudden loss of generation greater than 450 MW occurred on February 9, 2024. |
Operational Information |
Active |
| Feb 9, 2024 8:46:50 AM |
The Daily RSASM for Friday, February 9, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 9, 2024 12:00:04 AM |
No sudden loss of generation greater than 450 MW occurred on February 8, 2024. |
Operational Information |
Active |
| Feb 8, 2024 8:47:12 AM |
The Daily RSASM for Thursday, February 8, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 8, 2024 12:06:58 AM |
No sudden loss of generation greater than 450 MW occurred on February 7, 2024. |
Operational Information |
Active |
| Feb 7, 2024 9:00:23 AM |
The Daily RSASM for Wednesday, February 7, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 7, 2024 12:20:25 AM |
No sudden loss of generation greater than 450 MW occurred on February 6, 2024. |
Operational Information |
Active |
| Feb 6, 2024 2:07:08 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a 345 KV outage in the South Texas area. |
Operational Information |
Cancelled |
| Feb 6, 2024 10:21:30 AM |
ERCOT is taking manual actions for a 345 KV outage in the South Texas area. |
Operational Information |
Active |
| Feb 6, 2024 8:50:01 AM |
The Daily RSASM for Tuesday, February 6, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 6, 2024 3:57:32 AM |
ERCOT is working from primary control center. |
Operational Information |
Active |
| Feb 6, 2024 3:56:19 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 |
| Feb 6, 2024 12:00:04 AM |
No sudden loss of generation greater than 450 MW occurred on February 5, 2024. |
Operational Information |
Active |
| Feb 5, 2024 4:01:34 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. |
Operational Information |
Active |
| Feb 5, 2024 9:00:43 AM |
The Daily RSASM for Monday, February 5, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 5, 2024 12:04:06 AM |
No sudden loss of generation greater than 450 MW occurred on February 4, 2024. |
Operational Information |
Active |
| Feb 4, 2024 9:13:44 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [2035] for operating day [02/04/2024 ] HE [23 and 24] for 2 MW’s of NSPIN, and for operating day [02/05/2024] for HE [1-3] for 2 MW of NSPIN for HE [4-6] for 3 MW’s of NSPIN. |
Operational Information |
Cancelled |
| Feb 4, 2024 8:16:09 PM |
ERCOT will execute a SASM at [2035] for operating day [02/04/2024 ] HE [23 and 24] for 2 MW’s of NSPIN, and for operating day [02/05/2024] for HE [1-3] for 2 MW of NSPIN for HE [4-6] for 3 MW’s of NSPIN. |
Operational Information |
Active |
| Feb 4, 2024 8:15:11 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [2035] for operating day [02/04/2024 ] HE [23 and 24] for 2 MW’s of NSPIN, and for operating day [02/05/2024] for HE [1-3] for 2 MW of NSPIN for HE [3-6] for 3 MW’s of NSPIN. |
Operational Information |
Cancelled |
| Feb 4, 2024 8:10:50 PM |
ERCOT will execute a SASM at [2035] for operating day [02/04/2024 ] HE [23 and 24] for 2 MW’s of NSPIN, and for operating day [02/05/2024] for HE [1-3] for 2 MW of NSPIN for HE [3-6] for 3 MW’s of NSPIN. |
Operational Information |
Active |
| Feb 4, 2024 8:48:36 AM |
The Daily RSASM for Sunday, February 4, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 4, 2024 12:03:30 AM |
No sudden loss of generation greater than 450 MW occurred on February 3, 2024. |
Operational Information |
Active |
| Feb 3, 2024 8:48:54 AM |
The Daily RSASM for Saturday, February 3, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 3, 2024 12:23:35 AM |
No sudden loss of generation greater than 450 MW occurred on February 2, 2024. |
Operational Information |
Active |
| Feb 2, 2024 10:46:44 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Far West area. |
Operational Information |
Cancelled |
| Feb 2, 2024 8:47:44 AM |
The Daily RSASM for Friday, February 2, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 2, 2024 8:41:27 AM |
ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Far West area. |
Operational Information |
Active |
| Feb 2, 2024 12:40:38 AM |
No sudden loss of generation greater than 450 MW occurred on February 1, 2024. |
Operational Information |
Active |
| Feb 1, 2024 8:47:29 AM |
The Daily RSASM for Thursday, February 1, 2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 1, 2024 12:33:49 AM |
No sudden loss of generation greater than 450 MW occurred on January 31, 2024. |
Operational Information |
Active |
