| Oct 8, 2026 1:56:53 PM |
At 3:35 PM on 10/08/2026, 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.
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Operational Information |
Active |
| Oct 8, 2026 11:42:31 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
10/08/2026 08:30 through 10/08/2026 11:30 due to a planned outage.
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Operational Information |
Cancelled |
| Oct 8, 2026 11:41:52 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
10/08/2026 08:30 through 10/08/2026 11:30 due to a planned outage.
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Operational Information |
Cancelled |
| Oct 8, 2026 8:15:21 AM |
The DC_N (North) DC Tie will be unavailable from
10/08/2026 08:30 through 10/08/2026 11:30 due to a planned outage.
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Operational Information |
Active |
| Oct 8, 2026 7:55:03 AM |
At 07:54, All Non-Spin has been recalled.
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Operational Information |
Active |
| Oct 8, 2026 7:54:10 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-10-08 07:54:10, END_TIME: 2026-10-08 07:54:10, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Oct 8, 2026 7:50:53 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 5.0 DEPLOYED. BEGIN_TIME: 2026-10-08 07:50:53, END_TIME: 2026-10-08 11:50:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 8, 2026 7:30:53 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 154.0 DEPLOYED. BEGIN_TIME: 2026-10-08 07:30:53, END_TIME: 2026-10-08 11:30:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 8, 2026 7:10:53 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 98.0 DEPLOYED. BEGIN_TIME: 2026-10-08 07:10:53, END_TIME: 2026-10-08 11:10:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 8, 2026 6:54:02 AM |
At 06:53 approximately 1004 MW of Non-Spin has been deployed, anticipated duration is 2359.
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Operational Information |
Active |
| Oct 8, 2026 6:53:00 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1004.1 DEPLOYED. BEGIN_TIME: 2026-10-08 06:53:00, END_TIME: 2026-10-08 10:53:00, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 8, 2026 12:21:18 AM |
No sudden loss of generation greater than 450 MW occurred on October 07, 2026.
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Operational Information |
Active |
| Oct 7, 2026 10:16:32 PM |
At 22:15, All Non-Spin has been recalled.
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Operational Information |
Active |
| Oct 7, 2026 10:15:34 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-10-07 22:15:34, END_TIME: 2026-10-07 22:15:34, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Oct 7, 2026 10:00:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 2.0 DEPLOYED. BEGIN_TIME: 2026-10-07 22:00:53, END_TIME: 2026-10-07 23:59:59, DURATION: 1 HRS 59 MINS;
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Operational Information |
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| Oct 7, 2026 9:40:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 55.5 DEPLOYED. BEGIN_TIME: 2026-10-07 21:40:53, END_TIME: 2026-10-07 23:59:59, DURATION: 2 HRS 19 MINS;
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Operational Information |
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| Oct 7, 2026 9:20:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 48.1 DEPLOYED. BEGIN_TIME: 2026-10-07 21:20:53, END_TIME: 2026-10-07 23:59:59, DURATION: 2 HRS 39 MINS;
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Operational Information |
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| Oct 7, 2026 9:00:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 159.8 DEPLOYED. BEGIN_TIME: 2026-10-07 21:00:53, END_TIME: 2026-10-07 23:59:59, DURATION: 2 HRS 59 MINS;
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Operational Information |
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| Oct 7, 2026 8:40:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 12.5 DEPLOYED. BEGIN_TIME: 2026-10-07 20:40:53, END_TIME: 2026-10-07 23:59:59, DURATION: 3 HRS 19 MINS;
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Operational Information |
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| Oct 7, 2026 8:20:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 4.0 DEPLOYED. BEGIN_TIME: 2026-10-07 20:20:53, END_TIME: 2026-10-07 23:59:59, DURATION: 3 HRS 39 MINS;
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Operational Information |
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| Oct 7, 2026 8:00:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 48.7 DEPLOYED. BEGIN_TIME: 2026-10-07 20:00:53, END_TIME: 2026-10-07 23:59:59, DURATION: 3 HRS 59 MINS;
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Operational Information |
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| Oct 7, 2026 7:10:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 50.6 DEPLOYED. BEGIN_TIME: 2026-10-07 19:10:53, END_TIME: 2026-10-07 23:10:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 7, 2026 6:50:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 15.2 DEPLOYED. BEGIN_TIME: 2026-10-07 18:50:53, END_TIME: 2026-10-07 22:50:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 7, 2026 6:36:39 PM |
At 18:35 approximately 210 MW of Non-Spin has been deployed, anticipated duration is 23:59.
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Operational Information |
Active |
| Oct 7, 2026 6:35:33 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 209.7 DEPLOYED. BEGIN_TIME: 2026-10-07 18:35:33, END_TIME: 2026-10-07 22:35:33, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 7, 2026 8:36:52 AM |
The DC_N (North) DC Tie will be unavailable from
10/08/2026 08:30 through 10/08/2026 11:30 due to a planned outage.
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Operational Information |
Active |
| Oct 7, 2026 12:58:15 AM |
No sudden loss of generation greater than 450 MW occurred on October 06, 2026.
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Operational Information |
Active |
| Oct 6, 2026 10:01:04 PM |
At 22:00, All Non-Spin has been recalled.
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Operational Information |
Active |
| Oct 6, 2026 10:00:24 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-10-06 22:00:24, END_TIME: 2026-10-06 22:00:24, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Oct 6, 2026 9:50:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 52.9 DEPLOYED. BEGIN_TIME: 2026-10-06 21:50:53, END_TIME: 2026-10-06 23:59:59, DURATION: 2 HRS 9 MINS;
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Operational Information |
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| Oct 6, 2026 9:30:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 45.1 DEPLOYED. BEGIN_TIME: 2026-10-06 21:30:53, END_TIME: 2026-10-06 23:59:59, DURATION: 2 HRS 29 MINS;
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Operational Information |
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| Oct 6, 2026 9:10:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 34.0 DEPLOYED. BEGIN_TIME: 2026-10-06 21:10:53, END_TIME: 2026-10-06 23:59:59, DURATION: 2 HRS 49 MINS;
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Operational Information |
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| Oct 6, 2026 8:50:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 326.1 DEPLOYED. BEGIN_TIME: 2026-10-06 20:50:53, END_TIME: 2026-10-06 23:59:59, DURATION: 3 HRS 9 MINS;
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Operational Information |
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| Oct 6, 2026 8:30:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 3.1 DEPLOYED. BEGIN_TIME: 2026-10-06 20:30:53, END_TIME: 2026-10-06 23:59:59, DURATION: 3 HRS 29 MINS;
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Operational Information |
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| Oct 6, 2026 8:10:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 45.0 DEPLOYED. BEGIN_TIME: 2026-10-06 20:10:53, END_TIME: 2026-10-06 23:59:59, DURATION: 3 HRS 49 MINS;
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Operational Information |
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| Oct 6, 2026 7:50:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 21.7 DEPLOYED. BEGIN_TIME: 2026-10-06 19:50:53, END_TIME: 2026-10-06 23:50:53, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 6, 2026 7:36:30 PM |
At 19:35 approximately 459 MW of Non-Spin has been deployed, anticipated duration is 23:59.
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Operational Information |
Active |
| Oct 6, 2026 7:35:13 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 458.7 DEPLOYED. BEGIN_TIME: 2026-10-06 19:35:13, END_TIME: 2026-10-06 23:35:13, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 6, 2026 4:18:01 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action to resolve local congestion in Brazoria County.
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Operational Information |
Cancelled |
| Oct 6, 2026 8:59:29 AM |
ERCOT is taking manual action to resolve local congestion in Brazoria County.
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Operational Information |
Active |
| Oct 6, 2026 12:03:06 AM |
No sudden loss of generation greater than 450 MW occurred on October 05, 2026.
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Operational Information |
Active |
| Oct 5, 2026 10:21:26 PM |
At 22:20, All Non-Spin has been recalled.
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Operational Information |
Active |
| Oct 5, 2026 10:20:11 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-10-05 22:20:11, END_TIME: 2026-10-05 22:20:11, DURATION: 0 HRS 0 MINS;
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Operational Information |
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| Oct 5, 2026 10:00:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 38.1 DEPLOYED. BEGIN_TIME: 2026-10-05 22:00:53, END_TIME: 2026-10-05 23:59:59, DURATION: 1 HRS 59 MINS;
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Operational Information |
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| Oct 5, 2026 9:40:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 21.0 DEPLOYED. BEGIN_TIME: 2026-10-05 21:40:53, END_TIME: 2026-10-05 23:59:59, DURATION: 2 HRS 19 MINS;
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Operational Information |
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| Oct 5, 2026 9:20:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.1 DEPLOYED. BEGIN_TIME: 2026-10-05 21:20:53, END_TIME: 2026-10-05 23:59:59, DURATION: 2 HRS 39 MINS;
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Operational Information |
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| Oct 5, 2026 9:00:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 5.0 DEPLOYED. BEGIN_TIME: 2026-10-05 21:00:53, END_TIME: 2026-10-05 23:59:59, DURATION: 2 HRS 59 MINS;
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Operational Information |
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| Oct 5, 2026 8:40:53 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 167.0 DEPLOYED. BEGIN_TIME: 2026-10-05 20:40:53, END_TIME: 2026-10-05 23:59:59, DURATION: 3 HRS 19 MINS;
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Operational Information |
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| Oct 5, 2026 8:00:54 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 198.9 DEPLOYED. BEGIN_TIME: 2026-10-05 20:00:53, END_TIME: 2026-10-05 23:59:59, DURATION: 3 HRS 59 MINS;
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Operational Information |
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| Oct 5, 2026 7:44:22 PM |
At 19:42 approximately 527 MW of Non-Spin has been deployed, anticipated duration is 23:59.
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Operational Information |
Active |
| Oct 5, 2026 7:42:50 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 527.0 DEPLOYED. BEGIN_TIME: 2026-10-05 19:42:50, END_TIME: 2026-10-05 23:42:50, DURATION: 4 HRS 0 MINS;
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Operational Information |
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| Oct 5, 2026 6:39:55 AM |
ERCOT has cancelled the following notice: The Eskota RAS has been taken out of service for a planned transmission outage.
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Operational Information |
Cancelled |
| Oct 5, 2026 1:02:50 AM |
No sudden loss of generation greater than 450 MW occurred on October 04, 2026.
|
Operational Information |
Active |
| Oct 4, 2026 12:04:16 AM |
No sudden loss of generation greater than 450 MW occurred on October 03, 2026.
|
Operational Information |
Active |
| Oct 3, 2026 12:01:17 AM |
No sudden loss of generation greater than 450 MW occurred on October 02, 2026.
|
Operational Information |
Active |
| Oct 2, 2026 12:00:28 AM |
No sudden loss of generation greater than 450 MW occurred on October 01, 2026.
|
Operational Information |
Active |
| Oct 1, 2026 12:00:22 AM |
On September 30, 2026, a sudden loss of generation occurred at 13:23 totaling 581 MW. Frequency declined to 59.969 Hz, ERCOT load was 76,785 MW.
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Operational Information |
Active |
