| Feb 28, 2026 6:34:21 PM |
At 18:33, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Feb 28, 2026 6:33:03 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-02-28 18:33:03, END_TIME: 2026-02-28 18:33:03, DURATION: 0 HRS 0 MINS;
|
Operational Information |
|
| Feb 28, 2026 5:34:03 PM |
At 17:31 approximately 1528 MW of Non-Spin has been deployed, anticipated duration is 23:59:00.
|
Operational Information |
Active |
| Feb 28, 2026 5:31:31 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1528.0, BEGIN_TIME: 2026-02-28 17:31:31, END_TIME: 2026-02-28 21:31:31, DURATION: 4 HRS 0 MINS;
|
Operational Information |
|
| Feb 28, 2026 3:05:07 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Cancelled |
| Feb 28, 2026 12:02:56 AM |
No sudden loss of generation greater than 450 MW occurred on February 27, 2026.
|
Operational Information |
Active |
| Feb 27, 2026 10:17:35 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Active |
| Feb 27, 2026 6:58:26 PM |
At 18:56, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Feb 27, 2026 6:56:35 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-02-27 18:56:35, END_TIME: 2026-02-27 18:56:35, DURATION: 0 HRS 0 MINS;
|
Operational Information |
|
| Feb 27, 2026 5:31:32 PM |
At 17:29 approximately 1000 MW of Non-Spin has been deployed, anticipated duration is 23:59:00.
|
Operational Information |
Active |
| Feb 27, 2026 5:29:46 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1000.1, BEGIN_TIME: 2026-02-27 17:29:46, END_TIME: 2026-02-27 21:29:46, DURATION: 4 HRS 0 MINS;
|
Operational Information |
|
| Feb 27, 2026 12:13:38 AM |
On February 26, 2026, a sudden loss of generation occurred at 06:13 totaling 499 MW. Frequency declined to 59.938 Hz, ERCOT load was 46,936 MW. Another sudden loss of generation occurred at 15:27 totaling 459 MW. Frequency declined to 59.958 Hz, ERCOT load was 57,500 MW.
|
Operational Information |
Active |
| Feb 26, 2026 6:34:14 PM |
At 18:33, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Feb 26, 2026 6:33:08 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-02-26 18:33:08, END_TIME: 2026-02-26 18:33:08, DURATION: 0 HRS 0 MINS;
|
Operational Information |
|
| Feb 26, 2026 5:36:21 PM |
At 17:33 approximately 1,208 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| Feb 26, 2026 5:34:00 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1208.1, BEGIN_TIME: 2026-02-26 17:34:00, END_TIME: 2026-02-26 23:59:59, DURATION: 6 HRS 25 MINS;
|
Operational Information |
|
| Feb 26, 2026 12:20:11 PM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
02/23/2026 08:00 through 03/06/2026 12:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Feb 26, 2026 10:45:13 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Cancelled |
| Feb 26, 2026 6:39:29 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Active |
| Feb 26, 2026 12:20:44 AM |
No sudden loss of generation greater than 450 MW occurred on February 25, 2026.
|
Operational Information |
Active |
| Feb 25, 2026 4:08:49 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Cancelled |
| Feb 25, 2026 12:24:15 AM |
On February 24, 2026, a sudden loss of generation occurred at 23:45 totaling 466 MW. Frequency declined to 59.960 Hz, ERCOT load was 45,551 MW.
|
Operational Information |
Active |
| Feb 24, 2026 11:01:41 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for a post contingency overload in the South Texas region.
|
Operational Information |
Cancelled |
| Feb 24, 2026 10:37:11 AM |
ERCOT is taking manual action for a post contingency overload in the South Texas region.
|
Operational Information |
Active |
| Feb 24, 2026 12:02:12 AM |
No sudden loss of generation greater than 450 MW occurred on February 23, 2026.
|
Operational Information |
Active |
| Feb 23, 2026 11:40:12 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Active |
| Feb 23, 2026 3:02:36 PM |
ERCOT has cancelled the following notice: ERCOT is pre-posturing for a planned 345kV outage in the West Texas area.
|
Operational Information |
Cancelled |
| Feb 23, 2026 1:54:56 PM |
ERCOT is pre-posturing for a planned 345kV outage in the West Texas area.
|
Operational Information |
Active |
| Feb 23, 2026 12:00:40 AM |
No sudden loss of generation greater than 450 MW occurred on February 22, 2026.
|
Operational Information |
Active |
| Feb 22, 2026 12:01:49 AM |
On February 21, 2026, a sudden loss of generation occurred at 11:59 totaling 496.63 MW. Frequency declined to 59.955 Hz, ERCOT load was 49,923 MW.
|
Operational Information |
Active |
| Feb 21, 2026 3:44:07 PM |
ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from
02/16/2026 08:00 through 02/27/2026 16:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Feb 21, 2026 12:09:27 AM |
No sudden loss of generation greater than 450 MW occurred on February 20, 2026.
|
Operational Information |
Active |
| Feb 20, 2026 3:51:37 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from
02/02/2026 08:00 through 02/20/2026 16:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Feb 20, 2026 12:04:43 AM |
No sudden loss of generation greater than 450 MW occurred on February 19, 2026.
|
Operational Information |
Active |
| Feb 19, 2026 10:07:42 AM |
The DC_E (East) DC Tie will be unavailable from
02/23/2026 08:00 through 03/06/2026 12:00 due to a planned outage.
|
Operational Information |
Active |
| Feb 19, 2026 12:07:15 AM |
No sudden loss of generation greater than 450 MW occurred on February 18, 2026.
|
Operational Information |
Active |
| Feb 18, 2026 12:02:33 AM |
No sudden loss of generation greater than 450 MW occurred on February 17, 2026.
|
Operational Information |
Active |
| Feb 17, 2026 2:30:34 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Cancelled |
| Feb 17, 2026 12:03:16 AM |
No sudden loss of generation greater than 450 MW occurred on February 16, 2026.
|
Operational Information |
Active |
| Feb 16, 2026 8:58:11 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas region.
|
Operational Information |
Active |
| Feb 16, 2026 12:36:33 AM |
No sudden loss of generation greater than 450 MW occurred on February 15, 2026.
|
Operational Information |
Active |
| Feb 15, 2026 9:48:05 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Cancelled |
| Feb 15, 2026 8:01:40 AM |
The DC_L (Laredo VFT) DC Tie will be unavailable from
02/16/2026 08:00 through 02/27/2026 16:00 due to a planned outage.
|
Operational Information |
Active |
| Feb 15, 2026 12:56:31 AM |
No sudden loss of generation greater than 450 MW occurred on February 14, 2026.
|
Operational Information |
Active |
| Feb 14, 2026 7:41:50 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Active |
| Feb 14, 2026 12:34:48 AM |
No sudden loss of generation greater than 450 MW occurred on February 13, 2026.
|
Operational Information |
Active |
| Feb 13, 2026 11:22:53 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Cancelled |
| Feb 13, 2026 7:35:06 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Active |
| Feb 13, 2026 3:37:56 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| Feb 13, 2026 3:37:40 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 |
| Feb 13, 2026 12:04:14 AM |
No sudden loss of generation greater than 450 MW occurred on February 12, 2026.
|
Operational Information |
Active |
| Feb 12, 2026 3:40:49 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| Feb 12, 2026 8:42:20 AM |
ERCOT has cancelled the following notice: ERCOT is issuing an Advisory due to ERCOTs VSAT and TSAT has not solved in the last 30 minutes.
|
Advisory |
Cancelled |
| Feb 12, 2026 8:29:13 AM |
ERCOT is issuing an Advisory due to ERCOTs VSAT and TSAT has not solved in the last 30 minutes.
|
Advisory |
Active |
| Feb 12, 2026 12:03:10 AM |
No sudden loss of generation greater than 450 MW occurred on February 11, 2026.
|
Operational Information |
Active |
| Feb 11, 2026 12:01:55 AM |
No sudden loss of generation greater than 450 MW occurred on February 10, 2026.
|
Operational Information |
Active |
| Feb 10, 2026 12:04:22 AM |
No sudden loss of generation greater than 450 MW occurred on February 09, 2026.
|
Operational Information |
Active |
| Feb 9, 2026 12:26:10 AM |
No sudden loss of generation greater than 450 MW occurred on February 08, 2026.
|
Operational Information |
Active |
| Feb 8, 2026 2:01:46 PM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
02/08/2026 12:05 through 02/08/2026 15:00 due to a forced outage.
|
Operational Information |
Cancelled |
| Feb 8, 2026 12:15:56 PM |
The DC_E (East) DC Tie will be unavailable from
02/08/2026 12:05 through 02/08/2026 15:00 due to a forced outage.
|
Operational Information |
Active |
| Feb 8, 2026 1:32:23 AM |
No sudden loss of generation greater than 450 MW occurred on February 07, 2026.
|
Operational Information |
Active |
| Feb 7, 2026 12:07:35 AM |
No sudden loss of generation greater than 450 MW occurred on February 06, 2026.
|
Operational Information |
Active |
| Feb 6, 2026 12:07:34 AM |
No sudden loss of generation greater than 450 MW occurred on February 05, 2026.
|
Operational Information |
Active |
| Feb 5, 2026 6:04:33 PM |
ERCOT has cancelled the following notice: At 3:30 PM on 2/5/2026, 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 |
| Feb 5, 2026 3:14:25 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Southwest Texas region.
|
Operational Information |
Cancelled |
| Feb 5, 2026 2:21:55 PM |
ERCOT is taking manual actions to pre-posture for a 138 KV outage in the Southwest Texas region.
|
Operational Information |
Active |
| Feb 5, 2026 10:32:47 AM |
At 3:30 PM on 2/5/2026, 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 |
| Feb 5, 2026 12:08:17 AM |
No sudden loss of generation greater than 450 MW occurred on February 04, 2026.
|
Operational Information |
Active |
| Feb 4, 2026 5:28:59 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action due to a planned outage in the South Texas area.
|
Operational Information |
Cancelled |
| Feb 4, 2026 3:57:07 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Cancelled |
| Feb 4, 2026 1:44:11 PM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Active |
| Feb 4, 2026 10:46:07 AM |
ERCOT is taking manual action due to a planned outage in the South Texas area.
|
Operational Information |
Active |
| Feb 4, 2026 12:17:11 AM |
No sudden loss of generation greater than 450 MW occurred on February 03, 2026.
|
Operational Information |
Active |
| Feb 3, 2026 3:50:02 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Cancelled |
| Feb 3, 2026 3:49:55 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West Texas area.
|
Operational Information |
Active |
| Feb 3, 2026 7:15:49 AM |
ERCOT is taking manual action for an unsolved contingency in the West Texas area
|
Operational Information |
Active |
| Feb 3, 2026 12:31:17 AM |
No sudden loss of generation greater than 450 MW occurred on February 02, 2026.
|
Operational Information |
Active |
| Feb 2, 2026 11:28:20 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
01/30/2026 21:00 through 02/02/2026 16:00 due to a forced outage.
|
Operational Information |
Cancelled |
| Feb 2, 2026 9:44:54 AM |
ERCOT has cancelled the following notice: The Eskota RAS has been taken out of service-removed from RTCA
|
Operational Information |
Cancelled |
| Feb 2, 2026 9:06:35 AM |
The Eskota RAS has been taken out of service-removed from RTCA
|
Operational Information |
Active |
| Feb 2, 2026 12:00:03 AM |
On February 01, 2026, a sudden loss of generation occurred at 07:23 totaling 604 MW. Frequency declined to 59.965 Hz, ERCOT load was 69,578 MW.
|
Operational Information |
Active |
| Feb 1, 2026 7:05:57 PM |
The DC_R (Railroad) DC Tie will be unavailable from
02/02/2026 08:00 through 02/20/2026 16:00 due to a planned outage.
|
Operational Information |
Active |
| Feb 1, 2026 12:00:33 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for an extreme cold weather system approaching the ERCOT Region with temperatures and wind chills anticipated to remain below freezing for Saturday January 31, 2026 and Sunday, February 1, 2026. Additional updates will be made as weather information becomes available.
|
OCN |
Cancelled |
| Feb 1, 2026 12:00:18 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for an extreme cold weather system approaching the ERCOT Region with temperatures and wind chills anticipated to remain below freezing for Saturday January 31, 2026, and Sunday, February 1, 2026. Additional updates will be made as weather information becomes available.
|
Advisory |
Cancelled |
| Feb 1, 2026 12:00:07 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a Watch for an extreme cold weather system approaching the ERCOT Region with temperatures and wind chills anticipated to remain below freezing for Saturday January 31, 2026, and Sunday, February 1, 2026.
|
Watch |
Cancelled |
| Feb 1, 2026 12:00:36 AM |
No sudden loss of generation greater than 450 MW occurred on January 31, 2026.
|
Operational Information |
Active |
