| Jun 5, 2026 4:00:51 PM |
Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of 06/05/2026 is available.
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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.
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Operational Information |
Active |
| Jun 5, 2026 12:23:56 AM |
No sudden loss of generation greater than 450 MW occurred on June 4, 2026.
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Operational Information |
Active |
| Jun 4, 2026 10:31:21 PM |
At 22:30, All Non-Spin has been recalled.
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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.
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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.
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Operational Information |
Cancelled |
| Jun 4, 2026 3:56:50 PM |
ERCOT Emergency Base Points are Disabled
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Operational Information |
Cancelled |
| Jun 4, 2026 3:50:42 PM |
ERCOT Emergency Base Points are Enabled
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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.
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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.
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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.
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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 |
