| Nov 10, 2025 12:00:49 AM |
No sudden loss of generation greater than 450 MW occurred on November 9, 2025.
|
Operational Information |
Active |
| Nov 9, 2025 8:46:54 AM |
The Daily RSASM for 11/09/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 9, 2025 6:30:30 AM |
At 06:30, ERCOT is issuing an OCN due to a potential wildfire risk for Sunday, November 9, 2025, for a large portion of South-Central Texas in the ERCOT region until further notice.
|
OCN |
Active |
| Nov 9, 2025 12:01:10 AM |
No sudden loss of generation greater than 450 MW occurred on November 8, 2025.
|
Operational Information |
Active |
| Nov 8, 2025 8:46:34 AM |
The Daily RSASM for 11/08/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 8, 2025 12:00:35 AM |
No sudden loss of generation greater than 450 MW occurred on November 7, 2025.
|
Operational Information |
Active |
| Nov 7, 2025 6:20:59 PM |
At 18:20, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Nov 7, 2025 6:20:29 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-11-07 18:20:29, END_TIME: 2025-11-07 18:20:29, DURATION: 0 Hrs 0 Mins.;
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Operational Information |
|
| Nov 7, 2025 5:33:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 736.6, BEGIN_TIME: 2025-11-07 18:00:00, END_TIME: 2025-11-07 23:59:00, DURATION: 5 Hrs 59 Mins.;
|
Operational Information |
|
| Nov 7, 2025 4:38:17 PM |
At 16:36 approximately 732 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| Nov 7, 2025 4:36:58 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 732.1, BEGIN_TIME: 2025-11-07 16:36:58, END_TIME: 2025-11-07 23:59:00, DURATION: 7 Hrs 22 Mins.;
|
Operational Information |
|
| Nov 7, 2025 8:47:24 AM |
The Daily RSASM for 11/07/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 7, 2025 12:08:41 AM |
No sudden loss of generation greater than 450 MW occurred on November 6, 2025.
|
Operational Information |
Active |
| Nov 6, 2025 4:40:24 PM |
ERCOT has cancelled the following notice: At 3:30 PM on 11/06/2025, 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 |
| Nov 6, 2025 10:16:26 AM |
At 3:30 PM on 11/06/2025, 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 |
| Nov 6, 2025 8:47:43 AM |
The Daily RSASM for 11/06/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 6, 2025 6:00:18 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Alert of K7 until 0600, Nov 6, 2025.
|
Operational Information |
Cancelled |
| Nov 6, 2025 6:00:07 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K7 until 0600, Nov 6, 2025.
|
Operational Information |
Cancelled |
| Nov 6, 2025 3:50:15 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| Nov 6, 2025 3:49:46 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 |
| Nov 5, 2025 11:51:15 PM |
The Space Weather Prediction Center has issued a GMD Alert of K7 until 0600, Nov 6, 2025.
|
Operational Information |
Active |
| Nov 5, 2025 10:49:49 PM |
The Space Weather Prediction Center has issued a GMD Warning of K7 until 0600, Nov 6, 2025.
|
Operational Information |
Active |
| Nov 5, 2025 3:52:25 PM |
ERCOT has cancelled the following notice: At 15:30, ERCOT will perform a patch on its Market Management System. We do not expect to miss a SCED run.
|
Operational Information |
Cancelled |
| Nov 5, 2025 3:45:50 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| Nov 5, 2025 3:00:03 PM |
At 15:30, ERCOT will perform a patch on its Market Management System. We do not expect to miss a SCED run.
|
Operational Information |
Active |
| Nov 5, 2025 8:46:28 AM |
The Daily RSASM for 11/05/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 5, 2025 12:06:01 AM |
No sudden loss of generation greater than 450 MW occurred on November 4, 2025.
|
Operational Information |
Active |
| Nov 4, 2025 8:46:31 AM |
The Daily RSASM for 11/04/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 4, 2025 1:13:02 AM |
On Nov 3, 2025, a sudden loss of generation occurred at 06:56 totaling 502 MW. Frequency declined to 59.953 Hz, ERCOT load was 47,084 MW.
|
Operational Information |
Active |
| Nov 3, 2025 8:46:20 AM |
The Daily RSASM for 11/03/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 3, 2025 12:03:14 AM |
No sudden loss of generation greater than 450 MW occurred on November 2, 2025.
|
Operational Information |
Active |
| Nov 2, 2025 8:46:01 AM |
The Daily RSASM for 11/02/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 2, 2025 12:09:56 AM |
No sudden loss of generation greater than 450 MW occurred on November 1, 2025.
|
Operational Information |
Active |
| Nov 1, 2025 8:16:41 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 19:45 for operating day 11/01/25 this is for RRS HE22-HE24: 19.2MW each hour as well as operating day 11/02/25 for RRS HE1-HE5: 19.2MW each hour.
|
Operational Information |
Cancelled |
| Nov 1, 2025 7:10:51 PM |
ERCOT will execute a SASM at 19:45 for operating day 11/01/25 this is for RRS HE22-HE24: 19.2MW each hour as well as operating day 11/02/25 for RRS HE1-HE5: 19.2MW each hour.
|
Operational Information |
Active |
| Nov 1, 2025 8:45:57 AM |
The Daily RSASM for 11/01/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Nov 1, 2025 12:01:27 AM |
No sudden loss of generation greater than 450 MW occurred on October 31, 2025.
|
Operational Information |
Active |