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 |
| May 9, 2026 12:04:14 AM |
No sudden loss of generation greater than 450 MW occurred on May 8, 2026.
|
Operational Information |
Active |
| May 8, 2026 12:00:58 AM |
No sudden loss of generation greater than 450 MW occurred on May 7, 2026.
|
Operational Information |
Active |
| May 7, 2026 6:30:06 PM |
ERCOT has cancelled the following notice: At 15:30 on 05/07/2026, ERCOT will perform a site failover of its Energy and 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 |
| May 7, 2026 2:13:36 PM |
At 15:30 on 05/07/2026, ERCOT will perform a site failover of its Energy and 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 |
| May 7, 2026 12:00:34 AM |
No sudden loss of generation greater than 450 MW occurred on May 6, 2026.
|
Operational Information |
Active |
| May 6, 2026 12:01:06 AM |
No sudden loss of generation greater than 450 MW occurred on May 5, 2026.
|
Operational Information |
Active |
| May 5, 2026 12:11:16 AM |
No sudden loss of generation greater than 450 MW occurred on May 4, 2026.
|
Operational Information |
Active |
| May 4, 2026 10:54:10 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area.
|
Operational Information |
Cancelled |
| May 4, 2026 12:49:16 AM |
No sudden loss of generation greater than 450 MW occurred on May 3, 2026
|
Operational Information |
Active |
| May 3, 2026 11:46:55 PM |
ERCOT is taking manual action for an unsolved contingency in the Taylor County area.
|
Operational Information |
Active |
| May 3, 2026 12:06:05 AM |
No sudden loss of generation greater than 450 MW occurred on May 2, 2026
|
Operational Information |
Active |
| May 2, 2026 12:48:16 AM |
No sudden loss of generation greater than 450 MW occurred on May 1, 2026
|
Operational Information |
Active |
| May 1, 2026 12:42:35 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for a contingency in the Brazoria County area.
|
Operational Information |
Cancelled |
| May 1, 2026 1:33:08 AM |
No sudden loss of generation greater than 450 MW occurred on April 30, 2026.
|
Operational Information |
Active |
