| Aug 21, 2026 12:00:06 AM |
No sudden loss of generation greater than 450 MW occurred on August 20, 2026.
|
Operational Information |
Active |
| Aug 20, 2026 12:00:09 AM |
No sudden loss of generation greater than 450 MW occurred on August 19, 2026.
|
Operational Information |
Active |
| Aug 19, 2026 10:00:22 AM |
ERCOT is issuing an OCN for an extreme hot weather event due to predicted high temperatures in the ERCOT North Central and South Central Regions starting Thursday, August 20th through Tuesday, August 25th, 2026.
|
OCN |
Active |
| Aug 19, 2026 12:00:07 AM |
On August 18, 2026, a sudden loss of generation occurred at 05:57 totaling 656 MW. Frequency declined to 59.961 Hz, ERCOT load was 60,414 MW.
|
Operational Information |
Active |
| Aug 18, 2026 12:01:03 AM |
No sudden loss of generation greater than 450 MW occurred on August 17, 2026.
|
Operational Information |
Active |
| Aug 17, 2026 10:20:34 PM |
At 22:20, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Aug 17, 2026 10:20:00 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0 STILL DEPLOYED. BEGIN_TIME: 2026-08-17 22:20:00, END_TIME: 2026-08-17 22:20:00, DURATION: 0 HRS 0 MINS;
|
Operational Information |
|
| Aug 17, 2026 8:02:56 PM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load.
|
DC Tie Curtailment Notice |
Cancelled |
| Aug 17, 2026 7:31:07 PM |
At 19:30 approximately 308 MW of Non-Spin has been deployed, anticipated duration is 2359.
|
Operational Information |
Active |
| Aug 17, 2026 7:30:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 308.0 DEPLOYED. BEGIN_TIME: 2026-08-17 19:30:01, END_TIME: 2026-08-17 23:30:01, DURATION: 4 HRS 0 MINS;
|
Operational Information |
|
| Aug 17, 2026 7:10:48 PM |
The DC_E (East) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load.
|
DC Tie Curtailment Notice |
Active |
| Aug 17, 2026 12:03:33 AM |
No sudden loss of generation greater than 450 MW occurred on August 16, 2026.
|
Operational Information |
Active |
| Aug 16, 2026 12:03:17 AM |
No sudden loss of generation greater than 450 MW occurred on August 15, 2026.
|
Operational Information |
Active |
| Aug 15, 2026 12:22:41 AM |
No sudden loss of generation greater than 450 MW occurred on August 14, 2026.
|
Operational Information |
Active |
| Aug 14, 2026 1:29:43 PM |
ERCOT has identified the following MIS posting as delayed for Operating Day 08/15/2026: DAM Shift Factors. The report will be published after 13:30.
|
Operational Information |
Active |
| Aug 14, 2026 3:50:18 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| Aug 14, 2026 12:13:09 AM |
No sudden loss of generation greater than 450 MW occurred on August 13, 2026.
|
Operational Information |
Active |
| Aug 13, 2026 3:51:17 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| Aug 13, 2026 12:02:31 AM |
No sudden loss of generation greater than 450 MW occurred on August 12, 2026.
|
Operational Information |
Active |
| Aug 12, 2026 12:07:19 AM |
No sudden loss of generation greater than 450 MW occurred on August 11, 2026.
|
Operational Information |
Active |
| Aug 11, 2026 3:44:17 PM |
ERCOT Emergency Base Points are Disabled
|
Operational Information |
Cancelled |
| Aug 11, 2026 3:42:25 PM |
ERCOT Emergency Base Points are Enabled
|
Operational Information |
Active |
| Aug 11, 2026 7:39:52 AM |
No sudden loss of generation greater than 450 MW occurred on August 10, 2026.
|
Operational Information |
Active |
| Aug 10, 2026 12:00:41 AM |
No sudden loss of generation greater than 450 MW occurred on August 09, 2026.
|
Operational Information |
Active |
| Aug 9, 2026 12:03:12 AM |
No sudden loss of generation greater than 450 MW occurred on August 08, 2026.
|
Operational Information |
Active |
| Aug 8, 2026 12:02:16 AM |
On August 7, 2026, a sudden loss of generation occurred at 13:16 totaling 764 MW. Frequency declined to 59.961 Hz, ERCOT load was 83,645 MW.
|
Operational Information |
Active |
| Aug 7, 2026 12:02:47 AM |
No sudden loss of generation greater than 450 MW occurred on August 06, 2026.
|
Operational Information |
Active |
| Aug 6, 2026 9:01:56 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Cancelled |
| Aug 6, 2026 8:11:51 PM |
The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
a planned or unplanned outage
|
DC Tie Curtailment Notice |
Active |
| Aug 6, 2026 3:43:19 PM |
ERCOT Emergency Base Points are Disabled
|
Operational Information |
Cancelled |
| Aug 6, 2026 3:42:27 PM |
ERCOT Emergency Base Points are Enabled
|
Operational Information |
Active |
| Aug 6, 2026 2:25:24 PM |
At 3:30 PM on 8/6/2026, 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 |
| Aug 6, 2026 12:04:52 AM |
No sudden loss of generation greater than 450 MW occurred on August 05, 2026.
|
Operational Information |
Active |
| Aug 5, 2026 12:12:00 AM |
No sudden loss of generation greater than 450 MW occurred on August 04, 2026.
|
Operational Information |
Active |
| Aug 4, 2026 12:04:05 AM |
No sudden loss of generation greater than 450 MW occurred on August 03, 2026.
|
Operational Information |
Active |
| Aug 3, 2026 12:14:03 AM |
No sudden loss of generation greater than 450 MW occurred on August 02, 2026.
|
Operational Information |
Active |
| Aug 2, 2026 12:50:54 AM |
No sudden loss of generation greater than 450 MW occurred on August 01, 2026.
|
Operational Information |
Active |
| Aug 1, 2026 2:59:59 AM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load.
|
DC Tie Curtailment Notice |
Cancelled |
| Aug 1, 2026 1:12:47 AM |
The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load.
|
DC Tie Curtailment Notice |
Active |
| Aug 1, 2026 12:52:54 AM |
No sudden loss of generation greater than 450 MW occurred on July 31, 2026.
|
Operational Information |
Active |
