| Jan 21, 2026 5:06:53 AM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 21, 2026, 12:00.
|
Operational Information |
Active |
| Jan 21, 2026 5:06:25 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 21, 2026, 06:00.
|
Operational Information |
Cancelled |
| Jan 21, 2026 12:04:06 AM |
No sudden loss of generation greater than 450 MW occurred on January 20, 2026
|
Operational Information |
Active |
| Jan 21, 2026 12:01:46 AM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-7 or greater until 23:59.
|
Operational Information |
Cancelled |
| Jan 20, 2026 8:29:29 PM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 21, 2026, 06:00.
|
Operational Information |
Active |
| Jan 20, 2026 8:27:42 PM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026, 2100.
|
Operational Information |
Cancelled |
| Jan 20, 2026 3:30:23 PM |
ERCOT is issuing an Advisory for an extreme cold weather system approaching the ERCOT Region late this week with temperatures anticipated to remain below freezing and the possibility of frozen precipitation Saturday, January 24, 2026, through noon on Tuesday, January 27, 2026.
|
Advisory |
Active |
| Jan 20, 2026 2:22:07 PM |
Advisory issued for a geomagnetic disturbance of K-7 or greater until 23:59.
|
Operational Information |
Active |
| Jan 20, 2026 2:10:27 PM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026, 2100.
|
Operational Information |
Active |
| Jan 20, 2026 2:09:43 PM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026 1500.
|
Operational Information |
Cancelled |
| Jan 20, 2026 12:00:45 PM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-8 or greater until 12:00.
|
Advisory |
Cancelled |
| Jan 20, 2026 9:04:50 AM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026 1500.
|
Operational Information |
Active |
| Jan 20, 2026 9:04:20 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026 0900.
|
Operational Information |
Cancelled |
| Jan 20, 2026 3:07:35 AM |
Advisory issued for a geomagnetic disturbance of K-8 or greater until 12:00.
|
Advisory |
Active |
| Jan 20, 2026 3:06:58 AM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-8 or greater until 12:00.
|
Advisory |
Cancelled |
| Jan 20, 2026 2:56:58 AM |
Advisory issued for a geomagnetic disturbance of K-8 or greater until 12:00.
|
Advisory |
Active |
| Jan 20, 2026 12:10:47 AM |
No sudden loss of generation greater than 450 MW occurred on January 19, 2026
|
Operational Information |
Active |
| Jan 20, 2026 12:09:52 AM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-8 or greater until 23:59.
|
Advisory |
Cancelled |
| Jan 19, 2026 9:11:46 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Cancelled |
| Jan 19, 2026 5:01:41 PM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
01/19/2026 13:48 through 01/19/2026 23:59 due to a forced outage.
|
Operational Information |
Cancelled |
| Jan 19, 2026 3:40:43 PM |
ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Active |
| Jan 19, 2026 1:57:09 PM |
The DC_E (East) DC Tie will be unavailable from
01/19/2026 13:48 through 01/19/2026 23:59 due to a forced outage.
|
Operational Information |
Active |
| Jan 19, 2026 1:52:29 PM |
Advisory issued for a geomagnetic disturbance of K-8 or greater until 23:59.
|
Advisory |
Active |
| Jan 19, 2026 1:52:01 PM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K-8 until 23:59.
|
Advisory |
Cancelled |
| Jan 19, 2026 1:49:05 PM |
Advisory issued for a geomagnetic disturbance of K-8 until 23:59.
|
Advisory |
Active |
| Jan 19, 2026 1:31:18 PM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until January 20, 2026 0900.
|
Operational Information |
Active |
| Jan 19, 2026 1:00:43 PM |
ERCOT is issuing an OCN for an extreme cold weather system approaching the ERCOT Region late this week with temperatures anticipated to remain below freezing and the possibility of precipitation Saturday January 24, 2026, and Sunday, January 25, 2026.
|
OCN |
Active |
| Jan 19, 2026 9:35:37 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Central Texas Region.
|
Operational Information |
Cancelled |
| Jan 19, 2026 9:10:43 AM |
ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Central Texas Region.
|
Operational Information |
Active |
| Jan 19, 2026 12:03:56 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Cancelled |
| Jan 19, 2026 12:01:54 AM |
No sudden loss of generation greater than 450 MW occurred on January 18, 2026
|
Operational Information |
Active |
| Jan 18, 2026 9:16:46 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Active |
| Jan 18, 2026 12:03:14 AM |
No sudden loss of generation greater than 450 MW occurred on January 17, 2026
|
Operational Information |
Active |
| Jan 17, 2026 10:47:49 PM |
ERCOT has cancelled the following notice: At 01:30, ERCOT is issuing an OCN due to a potential wildfire risk for Saturday, January 17, 2026 for a large portion of South Central Texas areas in the ERCOT region until further notice.
|
OCN |
Cancelled |
| Jan 17, 2026 2:12:57 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Cancelled |
| Jan 17, 2026 11:14:58 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Active |
| Jan 17, 2026 1:30:10 AM |
At 01:30, ERCOT is issuing an OCN due to a potential wildfire risk for Saturday, January 17, 2026 for a large portion of South Central Texas areas in the ERCOT region until further notice.
|
OCN |
Active |
| Jan 17, 2026 12:02:47 AM |
No sudden loss of generation greater than 450 MW occurred on January 16, 2026.
|
Operational Information |
Active |
| Jan 16, 2026 3:51:13 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Cancelled |
| Jan 16, 2026 12:52:08 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Cancelled |
| Jan 16, 2026 12:51:44 PM |
ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 150 MW Import/Export due to maintenance until further notice
|
Operational Information |
Cancelled |
| Jan 16, 2026 7:10:25 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Active |
| Jan 16, 2026 4:19:38 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Cancelled |
| Jan 16, 2026 3:53:21 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Active |
| Jan 16, 2026 3:52:16 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Cancelled |
| Jan 16, 2026 3:45:22 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| Jan 16, 2026 3:36:47 AM |
ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Active |
| Jan 16, 2026 12:26:35 AM |
No sudden loss of generation greater than 450 MW occurred on January 15, 2026.
|
Operational Information |
Active |
| Jan 15, 2026 3:50:37 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| Jan 15, 2026 12:02:07 AM |
No sudden loss of generation greater than 450 MW occurred on January 14, 2026.
|
Operational Information |
Active |
| Jan 14, 2026 5:54:05 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Cancelled |
| Jan 14, 2026 5:17:32 PM |
ERCOT is taking manual action for an unsolved contingency in the Kendall County area.
|
Operational Information |
Active |
| Jan 14, 2026 4:48:16 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Cancelled |
| Jan 14, 2026 8:28:40 AM |
ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Active |
| Jan 14, 2026 7:21:45 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Cancelled |
| Jan 14, 2026 4:12:45 AM |
ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Active |
| Jan 14, 2026 12:25:12 AM |
No sudden loss of generation greater than 450 MW occurred on January 13, 2026.
|
Operational Information |
Active |
| Jan 13, 2026 12:28:49 AM |
No sudden loss of generation greater than 450 MW occurred on January 12, 2026.
|
Operational Information |
Active |
| Jan 12, 2026 6:10:50 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Cancelled |
| Jan 12, 2026 5:52:36 PM |
The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Active |
| Jan 12, 2026 12:00:42 AM |
No sudden loss of generation greater than 450 MW occurred on January 11, 2026.
|
Operational Information |
Active |
| Jan 11, 2026 12:03:15 AM |
No sudden loss of generation greater than 450 MW occurred on January 10, 2026.
|
Operational Information |
Active |
| Jan 10, 2026 2:22:21 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Cancelled |
| Jan 10, 2026 12:00:39 AM |
No sudden loss of generation greater than 450 MW occurred on January 09, 2026.
|
Operational Information |
Active |
| Jan 9, 2026 9:27:36 PM |
ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Active |
| Jan 9, 2026 3:52:30 PM |
ERCOT has cancelled the following notice: ERCOT has been notified the DC_R Railroad tie has been derated to 145MW Import/Export due to Capacitor issues until further notice.
|
Operational Information |
Cancelled |
| Jan 9, 2026 3:51:54 PM |
ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 173 MW Import/Export due to maintenance until further notice.
|
Operational Information |
Cancelled |
| Jan 9, 2026 3:23:54 PM |
ERCOT has been notified that the Railroad DC Tie has been derated to 150 MW Import/Export due to maintenance until further notice
|
Operational Information |
Active |
| Jan 9, 2026 3:22:42 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Cancelled |
| Jan 9, 2026 3:22:21 PM |
The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Active |
| Jan 9, 2026 1:21:29 PM |
ERCOT has been notified that the Railroad DC Tie has been derated to 173 MW Import/Export due to maintenance until further notice.
|
Operational Information |
Active |
| Jan 9, 2026 12:11:58 AM |
No sudden loss of generation greater than 450 MW occurred on January 08, 2026.
|
Operational Information |
Active |
| Jan 8, 2026 9:56:43 PM |
ERCOT has been notified the DC_R Railroad tie has been derated to 145MW Import/Export due to Capacitor issues until further notice.
|
Operational Information |
Active |
| Jan 8, 2026 8:34:22 PM |
The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Active |
| Jan 8, 2026 7:23:00 PM |
ERCOT has cancelled the following notice: At 3:30 PM on 1/08/2026, 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 |
| Jan 8, 2026 2:54:20 PM |
At 3:30 PM on 1/08/2026, 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 |
| Jan 8, 2026 1:55:26 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Cancelled |
| Jan 8, 2026 8:49:14 AM |
ERCOT is taking manual action for an unsolved contingency in the Abilene area.
|
Operational Information |
Active |
| Jan 8, 2026 12:06:41 AM |
No sudden loss of generation greater than 450 MW occurred on January 07, 2026.
|
Operational Information |
Active |
| Jan 7, 2026 10:39:52 AM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA.
|
Operational Information |
Cancelled |
| Jan 7, 2026 8:40:25 AM |
The ESKOTA RAS has been taken out of service/removed from RTCA.
|
Operational Information |
Active |
| Jan 7, 2026 12:27:54 AM |
No sudden loss of generation greater than 450 MW occurred on January 06, 2026.
|
Operational Information |
Active |
| Jan 6, 2026 12:03:25 AM |
No sudden loss of generation greater than 450 MW occurred on January 05, 2026.
|
Operational Information |
Active |
| Jan 5, 2026 12:12:10 AM |
No sudden loss of generation greater than 450 MW occurred on January 04, 2026.
|
Operational Information |
Active |
| Jan 4, 2026 12:15:57 AM |
No sudden loss of generation greater than 450 MW occurred on January 03, 2026.
|
Operational Information |
Active |
| Jan 3, 2026 1:03:15 AM |
No sudden loss of generation greater than 450 MW occurred on January 02, 2026.
|
Operational Information |
Active |
| Jan 2, 2026 12:06:52 AM |
No sudden loss of generation greater than 450 MW occurred on January 01, 2026.
|
Operational Information |
Active |
| Jan 1, 2026 12:03:30 AM |
No sudden loss of generation greater than 450 MW occurred on December 31, 2025.
|
Operational Information |
Active |
