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 |
| Jul 4, 2026 12:40:17 AM |
Advisory issued for a geomagnetic disturbance of K7 until 0100 on 07/05/26.
|
Advisory |
Active |
| Jul 4, 2026 12:18:16 AM |
The Space Weather Prediction Center has issued a GMD Warning of K-index of 7 or G3 or greater until 07/05 12:00 UTC.
|
Operational Information |
Active |
| Jul 4, 2026 12:11:46 AM |
On July 3, 2026, a sudden loss of generation occurred at 14:04 totaling 501 MW. Frequency declined to 59.957 Hz, ERCOT load was 79,992 MW.
|
Operational Information |
Active |
| Jul 3, 2026 12:00:43 AM |
No sudden loss of generation greater than 450 MW occurred on July 2, 2026.
|
Operational Information |
Active |
| Jul 2, 2026 10:36:25 AM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
07/02/2026 06:45 through 07/02/2026 23:59 due to a forced outage.
|
Operational Information |
Cancelled |
| Jul 2, 2026 6:49:29 AM |
The DC_E (East) DC Tie will be unavailable from
07/02/2026 06:45 through 07/02/2026 23:59 due to a forced outage.
|
Operational Information |
Active |
| Jul 2, 2026 12:06:30 AM |
No sudden loss of generation greater than 450 MW occurred on July 1, 2026.
|
Operational Information |
Active |
| Jul 1, 2026 12:03:30 AM |
No sudden loss of generation greater than 450 MW occurred on June 30, 2026.
|
Operational Information |
Active |