Public Notices
This section contains public market notifications required by protocols as well as other market messages ERCOT may post for market transparency. ERCOT began archiving public notices November 3, 2011.
| Date & Time |
Notice |
Type |
Status |
| Dec 3, 2025 3:05:35 PM |
Advisory issued for a geomagnetic disturbance of K-7 until 20:00 12/03/2025
|
Operational Information |
Active |
| Dec 3, 2025 2:43:05 PM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or Greater until 12/03/2025 20:00.
|
Operational Information |
Active |
| Dec 3, 2025 9:41:04 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Cancelled |
| Dec 3, 2025 8:45:29 AM |
The Daily RSASM for 12/03/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Dec 3, 2025 12:10:21 AM |
No sudden loss of generation greater than 450 MW occurred on December 2, 2025.
|
Operational Information |
Active |
| Dec 2, 2025 8:39:24 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Active |
| Dec 2, 2025 8:45:22 AM |
The Daily RSASM for 12/02/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Dec 2, 2025 12:20:38 AM |
No sudden loss of generation greater than 450 MW occurred on December 1, 2025.
|
Operational Information |
Active |
| Dec 1, 2025 12:43:43 PM |
Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 12/01/2025 is available.
|
Operational Instruction |
Active |
| Dec 1, 2025 9:48:41 AM |
ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 170MW Import/Export due to equipment issues until further notice.
|
Operational Information |
Cancelled |
| Dec 1, 2025 8:46:15 AM |
The Daily RSASM for 12/01/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Dec 1, 2025 12:01:01 AM |
No sudden loss of generation greater than 450 MW occurred on November 30, 2025.
|
Operational Information |
Active |
