| Jun 8, 2026 2:09:05 PM |
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 |
| Jun 8, 2026 8:46:42 AM |
ERCOT is taking manual action for an unsolved contingency in the Taylor County Area.
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Operational Information |
Active |
| Jun 8, 2026 12:00:06 AM |
No sudden loss of generation greater than 450 MW occurred on June 7, 2026.
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Operational Information |
Active |
| Jun 7, 2026 10:40:09 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Eastland County Area.
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Operational Information |
Cancelled |
| Jun 7, 2026 10:01:21 PM |
At 22:00, All Non-Spin has been recalled.
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Operational Information |
Active |
| Jun 7, 2026 10:00:12 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-06-07 22:00:12, END_TIME: 2026-06-07 22:00:12, DURATION: 0 HRS 0 MINS;
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Operational Information |
|
| Jun 7, 2026 8:33:16 PM |
At 20:31 approximately 1,669 MW of Non-Spin has been deployed, anticipated duration is 2359.
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Operational Information |
Active |
| Jun 7, 2026 8:31:08 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1669.2, BEGIN_TIME: 2026-06-07 20:31:08, END_TIME: 2026-06-07 23:59:59, DURATION: 3 HRS 28 MINS;
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Operational Information |
|
| Jun 7, 2026 5:28:58 PM |
ERCOT is taking manual action for an unsolved contingency in the Eastland County Area.
|
Operational Information |
Active |
| Jun 7, 2026 12:00:37 AM |
On June 06, 2026, a sudden loss of generation occurred at 08:23 totaling 706 MW. Frequency declined to 59.950 Hz, ERCOT load was 52,082 MW.
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Operational Information |
Active |
| Jun 6, 2026 10:15:39 PM |
At 22:15, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Jun 6, 2026 10:15:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-06-06 22:15:01, END_TIME: 2026-06-06 22:15:01, DURATION: 0 HRS 0 MINS;
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Operational Information |
|
| Jun 6, 2026 8:16:08 PM |
At 20:14 approximately 997 MW of Non-Spin has been deployed, anticipated duration is 2354.
|
Operational Information |
Active |
| Jun 6, 2026 8:14:48 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 997.5, BEGIN_TIME: 2026-06-06 20:14:48, END_TIME: 2026-06-06 23:59:59, DURATION: 3 HRS 45 MINS;
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Operational Information |
|
| Jun 6, 2026 2:05:14 PM |
DAM is complete, DRUC will begin at 15:05.
|
Operational Information |
Active |
| Jun 6, 2026 1:31:46 PM |
DAM Notice: ERCOT has postponed the deadline for the posting of the DAM solution for Operating Day 06/07/2026 due to long execution time.
|
Advisory |
Active |
| Jun 6, 2026 12:49:23 AM |
On June 05, 2026, a sudden loss of generation occurred at 07:39 totaling 453 MW. Frequency declined to 59.969 Hz, ERCOT load was 51,126 MW. Another sudden loss of generation occurred at 23:55 totaling 662 MW. Frequency declined to 59.953 Hz, ERCOT load was 55,052 MW.
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Operational Information |
Active |
| Jun 5, 2026 10:12:20 PM |
At 22:10, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Jun 5, 2026 10:10:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-06-05 22:10:01, END_TIME: 2026-06-05 22:10:01, DURATION: 0 HRS 0 MINS;
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Operational Information |
|
| Jun 5, 2026 8:34:42 PM |
At 20:31 approximately 572 MW of Non-Spin has been deployed, anticipated duration is 2359.
|
Operational Information |
Active |
| Jun 5, 2026 8:31:50 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 572.8, BEGIN_TIME: 2026-06-05 20:31:50, END_TIME: 2026-06-05 23:59:59, DURATION: 3 HRS 28 MINS;
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Operational Information |
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| Jun 5, 2026 6:59:06 PM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of G3 or greater until June 5, 2026 18:59. (Previous Notice was cancelled in error)
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Operational Information |
Cancelled |
| Jun 5, 2026 5:12:02 PM |
The Space Weather Prediction Center has issued a GMD Warning of G3 or greater until June 5, 2026 18:59. (Previous Notice was cancelled in error)
|
Operational Information |
Active |
| Jun 5, 2026 5:06:14 PM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of G3 or greater until June 5, 2026 18:59.
|
Operations Notice |
Cancelled |
| Jun 5, 2026 4:00:51 PM |
Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 06/05/2026 is available.
|
Operational Instruction |
Active |
| Jun 5, 2026 12:37:16 PM |
The Space Weather Prediction Center has issued a GMD Warning of G3 or greater until June 5, 2026 18:59.
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Operations Notice |
Active |
| Jun 5, 2026 10:10:41 AM |
At 3:30 PM on 6/5/2026, 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 |
| Jun 5, 2026 12:23:56 AM |
No sudden loss of generation greater than 450 MW occurred on June 4, 2026.
|
Operational Information |
Active |
| Jun 4, 2026 10:31:21 PM |
At 22:30, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Jun 4, 2026 10:30:37 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2026-06-04 22:30:37, END_TIME: 2026-06-04 22:30:37, DURATION: 0 HRS 0 MINS;
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Operational Information |
|
| Jun 4, 2026 8:55:09 PM |
At 20:53 approximately 929.6 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| Jun 4, 2026 8:53:51 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 929.6, BEGIN_TIME: 2026-06-04 20:53:51, END_TIME: 2026-06-04 23:59:59, DURATION: 3 HRS 6 MINS;
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Operational Information |
|
| Jun 4, 2026 6:36:05 PM |
ERCOT has cancelled the following notice: At 3:30 PM on 6/4/2026, 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 |
| Jun 4, 2026 3:56:50 PM |
ERCOT Emergency Base Points are Disabled
|
Operational Information |
Cancelled |
| Jun 4, 2026 3:50:42 PM |
ERCOT Emergency Base Points are Enabled
|
Operational Information |
Active |
| Jun 4, 2026 2:14:49 PM |
At 3:30 PM on 6/4/2026, 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 |
| Jun 4, 2026 10:26:30 AM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
06/04/2026 09:00 through 06/04/2026 10:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Jun 4, 2026 9:00:00 AM |
The DC_N (North) DC Tie will be unavailable from
06/04/2026 09:00 through 06/04/2026 10:00 due to a planned outage.
|
Operational Information |
Active |
| Jun 4, 2026 12:27:31 AM |
No sudden loss of generation greater than 450 MW occurred on June 3, 2026.
|
Operational Information |
Active |
| Jun 3, 2026 2:09:33 PM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
06/03/2026 06:00 through 06/03/2026 14:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Jun 3, 2026 12:06:05 AM |
No sudden loss of generation greater than 450 MW occurred on June 2, 2026.
|
Operational Information |
Active |
| Jun 2, 2026 8:39:44 PM |
The DC_N (North) DC Tie will be unavailable from
06/03/2026 06:00 through 06/03/2026 14:00 due to a planned outage.
|
Operational Information |
Active |
| Jun 2, 2026 12:21:48 AM |
On June 1, 2026, a sudden loss of generation occurred at 18:39 totaling 695 MW. Frequency declined to 59.976 Hz, ERCOT load was 78,041 MW.
|
Operational Information |
Active |
| Jun 1, 2026 12:02:00 AM |
No sudden loss of generation greater than 450 MW occurred on May 31, 2026.
|
Operational Information |
Active |
