| Jul 24, 2026 12:07:31 AM |
No sudden loss of generation greater than 450 MW occurred on July 23, 2026
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Operational Information |
Active |
| Jul 23, 2026 12:37:30 AM |
On June 22, 2026, a sudden loss of generation occurred at 13:44 totaling 615 MW. Frequency declined to 59.963 Hz, ERCOT load was 87,893 MW. At 16:34 another sudden loss of generation occurred totaling 588 MW. Frequency declined to 59.960 Hz, ERCOT load was 91,247 MW.
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Operational Information |
Active |
| Jul 22, 2026 10:25:43 PM |
At 22:25, All Non-Spin has been recalled.
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Operational Information |
Active |
| Jul 22, 2026 10:25:00 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-07-22 22:25:00, END_TIME: 2026-07-22 22:25:00, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Jul 22, 2026 10:20:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 35.9 DEPLOYED. BEGIN_TIME: 2026-07-22 22:20:54, END_TIME: 2026-07-22 23:59:59, DURATION: 1 HRS 39 MINS;
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Operational Information |
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| Jul 22, 2026 10:00:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 13.0 DEPLOYED. BEGIN_TIME: 2026-07-22 22:00:54, END_TIME: 2026-07-22 23:59:59, DURATION: 1 HRS 59 MINS;
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Operational Information |
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| Jul 22, 2026 9:40:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 9.5 DEPLOYED. BEGIN_TIME: 2026-07-22 21:40:54, END_TIME: 2026-07-22 23:59:59, DURATION: 2 HRS 19 MINS;
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Operational Information |
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| Jul 22, 2026 9:10:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 16.0 DEPLOYED. BEGIN_TIME: 2026-07-22 21:10:54, END_TIME: 2026-07-22 23:59:59, DURATION: 2 HRS 49 MINS;
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Operational Information |
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| Jul 22, 2026 8:50:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 7.8 DEPLOYED. BEGIN_TIME: 2026-07-22 20:50:54, END_TIME: 2026-07-22 23:59:59, DURATION: 3 HRS 9 MINS;
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Operational Information |
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| Jul 22, 2026 8:20:55 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 13.5 DEPLOYED. BEGIN_TIME: 2026-07-22 20:20:55, END_TIME: 2026-07-22 23:59:59, DURATION: 3 HRS 39 MINS;
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Operational Information |
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| Jul 22, 2026 7:43:39 PM |
At 19:42 approximately 119 MW of Non-Spin has been deployed, anticipated duration is 2359.
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Operational Information |
Active |
| Jul 22, 2026 7:42:08 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 119.4 DEPLOYED. BEGIN_TIME: 2026-07-22 19:42:08, END_TIME: 2026-07-22 23:42:08, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Jul 22, 2026 10:42:49 AM |
ERCOT has cancelled the following notice: ERCOT has been notified that the East DC Tie has been derated to 0 MW Import/Export due to safety reasons until further notice.
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Operational Information |
Cancelled |
| Jul 22, 2026 8:11:45 AM |
ERCOT has been notified that the East DC Tie has been derated to 0 MW Import/Export due to safety reasons until further notice.
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Operational Information |
Active |
| Jul 22, 2026 12:44:17 AM |
On June 21, 2026, a sudden loss of generation occurred at 11:35 totaling 503 MW. Frequency declined to 59.963 Hz, ERCOT load was 75,789 MW. At 15:48 another sudden loss of generation occurred totaling 514 MW. Frequency declined to 59.968 Hz, ERCOT load was 86,483 MW.
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Operational Information |
Active |
| Jul 21, 2026 10:21:04 PM |
At 22:20, All Non-Spin has been recalled.
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Operational Information |
Active |
| Jul 21, 2026 10:20:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-07-21 22:20:01, END_TIME: 2026-07-21 22:20:01, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Jul 21, 2026 10:00:33 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 17.8 DEPLOYED. BEGIN_TIME: 2026-07-21 22:00:33, END_TIME: 2026-07-21 23:59:59, DURATION: 1 HRS 59 MINS;
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Operational Information |
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| Jul 21, 2026 9:30:33 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 29.7 DEPLOYED. BEGIN_TIME: 2026-07-21 21:30:33, END_TIME: 2026-07-21 23:59:59, DURATION: 2 HRS 29 MINS;
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Operational Information |
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| Jul 21, 2026 9:10:33 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 155.9 DEPLOYED. BEGIN_TIME: 2026-07-21 21:10:33, END_TIME: 2026-07-21 23:59:59, DURATION: 2 HRS 49 MINS;
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Operational Information |
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| Jul 21, 2026 8:57:03 PM |
At 20:55 approximately 8 MW of Non-Spin has been deployed, anticipated duration is 2359.
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Operational Information |
Active |
| Jul 21, 2026 8:55:58 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 8.1 DEPLOYED. BEGIN_TIME: 2026-07-21 20:55:57, END_TIME: 2026-07-21 23:59:59, DURATION: 3 HRS 4 MINS;
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Operational Information |
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| Jul 21, 2026 3:00:37 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Kimble County area.
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Operational Information |
Cancelled |
| Jul 21, 2026 2:15:11 PM |
ERCOT is taking manual action for an unsolved contingency in the Kimble County area.
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Operational Information |
Active |
| Jul 21, 2026 12:10:57 AM |
No sudden loss of generation greater than 450 MW occurred on July 20, 2026.
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Operational Information |
Active |
| Jul 20, 2026 12:00:07 AM |
No sudden loss of generation greater than 450 MW occurred on July 19, 2026.
|
Operational Information |
Active |
| Jul 19, 2026 12:00:27 AM |
No sudden loss of generation greater than 450 MW occurred on July 18, 2026.
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Operational Information |
Active |
| Jul 18, 2026 12:00:10 AM |
No sudden loss of generation greater than 450 MW occurred on July 17, 2026.
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Operational Information |
Active |
| Jul 17, 2026 7:59:56 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Taylor County area.
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Operational Information |
Cancelled |
| Jul 17, 2026 7:21:16 AM |
ERCOT is taking manual action for an unsolved contingency in the Taylor County area.
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Operational Information |
Active |
| Jul 17, 2026 3:48:05 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
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Operational Information |
Active |
| Jul 17, 2026 3:47:32 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.
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Operational Information |
Cancelled |
| Jul 17, 2026 12:06:18 AM |
No sudden loss of generation greater than 450 MW occurred on July 16, 2026.
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Operational Information |
Active |
| Jul 16, 2026 3:47:09 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
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Operational Information |
Active |
| Jul 16, 2026 12:04:49 AM |
No sudden loss of generation greater than 450 MW occurred on July 15, 2026.
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Operational Information |
Active |
| Jul 15, 2026 2:14:53 AM |
No sudden loss of generation greater than 450 MW occurred on July 14, 2026.
|
Operational Information |
Active |
| Jul 14, 2026 12:30:55 AM |
No sudden loss of generation greater than 450 MW occurred on July 13, 2026.
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Operational Information |
Active |
| Jul 13, 2026 12:03:21 AM |
No sudden loss of generation greater than 450 MW occurred on July 12, 2026.
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Operational Information |
Active |
| Jul 12, 2026 12:30:12 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
07/11/2026 18:55 through 07/12/2026 23:59 due to a forced outage.
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Operational Information |
Cancelled |
| Jul 12, 2026 12:14:03 AM |
No sudden loss of generation greater than 450 MW occurred on July 11, 2026.
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Operational Information |
Active |
| Jul 12, 2026 12:04:00 AM |
The DC_N (North) DC Tie will be unavailable from
07/11/2026 18:55 through 07/12/2026 23:59 due to a forced outage.
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Operational Information |
Active |
| Jul 12, 2026 12:02:10 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
07/11/2026 18:55 through 07/11/2026 23:59 due to a forced outage.
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Operational Information |
Cancelled |
| Jul 11, 2026 7:02:46 PM |
The DC_N (North) DC Tie will be unavailable from
07/11/2026 18:55 through 07/11/2026 23:59 due to a forced outage.
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Operational Information |
Active |
| Jul 11, 2026 12:02:55 AM |
No sudden loss of generation greater than 450 MW occurred on July 10, 2026.
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Operational Information |
Active |
| Jul 10, 2026 12:26:13 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Crockett County area.
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Operational Information |
Cancelled |
| Jul 10, 2026 6:29:53 AM |
ERCOT is taking manual action for an unsolved contingency in the Crockett County area.
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Operational Information |
Active |
| Jul 10, 2026 12:00:05 AM |
No sudden loss of generation greater than 450 MW occurred on July 9, 2026.
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Operational Information |
Active |
| Jul 9, 2026 6:46:31 PM |
ERCOT has cancelled the following notice: At 3:35 PM on 7/09/2026, 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.
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Operational Information |
Cancelled |
| Jul 9, 2026 5:04:17 PM |
ERCOT has cancelled the following notice: At 16:50, ERCOT is issuing a Watch due to HRUC not completing for HE18 due to timeline deviation.
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Watch |
Cancelled |
| Jul 9, 2026 4:50:03 PM |
At 16:50, ERCOT is issuing a Watch due to HRUC not completing for HE18 due to timeline deviation.
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Watch |
Active |
| Jul 9, 2026 3:43:57 PM |
ERCOT Emergency Base Points are Disabled
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Operational Information |
Cancelled |
| Jul 9, 2026 3:42:29 PM |
ERCOT Emergency Base Points are Enabled
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Operational Information |
Active |
| Jul 9, 2026 9:39:01 AM |
At 3:35 PM on 7/09/2026, 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.
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Operational Information |
Active |
| Jul 9, 2026 12:00:06 AM |
No sudden loss of generation greater than 450 MW occurred on July 8, 2026.
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Operational Information |
Active |
| Jul 8, 2026 12:00:24 AM |
On July 7, 2026, a sudden loss of generation occurred at 19:35 totaling 685 MW. Frequency declined to 59.958 Hz, ERCOT load was 79,425 MW.
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Operational Information |
Active |
| Jul 7, 2026 12:00:24 AM |
No sudden loss of generation greater than 450 MW occurred on July 6, 2026.
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Operational Information |
Active |
| Jul 6, 2026 12:43:28 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase in the Pecos County area.
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Operational Information |
Cancelled |
| Jul 6, 2026 10:32:33 AM |
ERCOT is taking manual actions for a Basecase in the Pecos County area.
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Operational Information |
Active |
| Jul 6, 2026 12:15:32 AM |
No sudden loss of generation greater than 450 MW occurred on July 5, 2026.
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Operational Information |
Active |
| Jul 5, 2026 12:01:02 AM |
No sudden loss of generation greater than 450 MW occurred on July 4, 2026.
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Operational Information |
Active |
| Jul 4, 2026 8:27:37 PM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of K7 until 0100 on 07/05/26.
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Advisory |
Cancelled |
| Jul 4, 2026 8:23:52 PM |
ERCOT has cancelled the following notice: 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.
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Operational Information |
Cancelled |
| Jul 4, 2026 12:40:17 AM |
Advisory issued for a geomagnetic disturbance of K7 until 0100 on 07/05/26.
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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.
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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.
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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.
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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.
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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.
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Operational Information |
Active |
