| Feb 21, 2025 12:06:37 AM |
No sudden loss of generation greater than 450 MW occurred on February 20, 2025. |
Operational Information |
Active |
| Feb 20, 2025 11:22:16 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 02/20/2025 23:23:00, Completion Time is NULL |
Operational Information |
|
| Feb 20, 2025 9:08:10 AM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/20/2025 06:14:00, Completion Time 02/20/2025 09:08:00 |
Operational Information |
|
| Feb 20, 2025 8:46:32 AM |
The Daily RSASM for 02/20/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 20, 2025 8:07:17 AM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/19/2025 20:53:00, Completion Time 02/20/2025 08:07:00 |
Operational Information |
|
| Feb 20, 2025 6:14:14 AM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 02/20/2025 06:14:00, Completion Time is NULL |
Operational Information |
|
| Feb 20, 2025 12:00:23 AM |
No sudden loss of generation greater than 450 MW occurred on February 19, 2025. |
Operational Information |
Active |
| Feb 19, 2025 8:52:52 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 02/19/2025 20:53:00, Completion Time is NULL |
Operational Information |
|
| Feb 19, 2025 6:10:13 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/19/2025 13:10:00, Completion Time 02/19/2025 18:10:00 |
Operational Information |
|
| Feb 19, 2025 6:09:53 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/19/2025 13:09:00, Completion Time 02/19/2025 18:10:00 |
Operational Information |
|
| Feb 19, 2025 5:01:47 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/19/2025 12:53:00, Completion Time 02/19/2025 17:02:00 |
Operational Information |
|
| Feb 19, 2025 5:01:12 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 0.00, Initiation Time 02/19/2025 12:52:00, Completion Time 02/19/2025 17:02:00 |
Operational Information |
|
| Feb 19, 2025 1:10:36 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 02/19/2025 13:10:00, Completion Time is NULL |
Operational Information |
|
| Feb 19, 2025 1:09:48 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 40, Initiation Time 02/19/2025 13:09:00, Completion Time is NULL |
Operational Information |
|
| Feb 19, 2025 12:53:35 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 02/19/2025 12:53:00, Completion Time is NULL |
Operational Information |
|
| Feb 19, 2025 12:52:24 PM |
CM-VDI-NOTF Verbal Dispatch Instructions for FFSS have been sent with deployed MW of 35, Initiation Time 02/19/2025 12:52:00, Completion Time is NULL |
Operational Information |
|
| Feb 19, 2025 8:46:57 AM |
The Daily RSASM for 02/19/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 19, 2025 12:06:26 AM |
No sudden loss of generation greater than 450 MW occurred on February 18, 2025. |
Operational Information |
Active |
| Feb 18, 2025 8:47:05 AM |
The Daily RSASM for 02/18/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 18, 2025 12:00:42 AM |
No sudden loss of generation greater than 450 MW occurred on February 17, 2025. |
Operational Information |
Active |
| Feb 17, 2025 6:00:00 PM |
ERCOT issued a Watch for the predicted extreme cold weather event impacting the ERCOT Region starting 21:00 Tuesday, February 18, 2025 through noon Friday, February 21, 2025. |
Watch |
Active |
| Feb 17, 2025 11:55:26 AM |
ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 15 MW Export due to forced derate until further notice. |
Operational Information |
Cancelled |
| Feb 17, 2025 11:55:15 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
a planned or unplanned outage |
DC Tie Curtailment Notice |
Cancelled |
| Feb 17, 2025 11:45:07 AM |
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 |
| Feb 17, 2025 11:21:13 AM |
ERCOT has been notified that the Railroad DC Tie has been derated to 15 MW Export due to forced derate until further notice. |
Operational Information |
Active |
| Feb 17, 2025 8:46:46 AM |
The Daily RSASM for 02/17/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 17, 2025 12:05:04 AM |
On February 16, 2025, a sudden loss of generation occurred at 02:20 totaling 530 MW. Frequency declined to 59.944 Hz, ERCOT load was 47,969 MW. |
Operational Information |
Active |
| Feb 16, 2025 2:30:09 PM |
ERCOT issued an Advisory for Wednesday, February 19, 2025 through noon Friday, February 21, 2025 due to the extreme cold weather system approaching the ERCOT Region on Tuesday, February 18, 2025. |
Advisory |
Active |
| Feb 16, 2025 8:47:33 AM |
The Daily RSASM for 02/16/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 16, 2025 12:02:49 AM |
On 02/15/2025, a sudden loss of generation occurred at 15:33 totaling 582 MW. Frequency declined to 59.928 Hz, ERCOT load was 47,657 MW. |
Operational Information |
Active |
| Feb 15, 2025 3:44:00 PM |
ERCOT has cancelled the following notice: Advisory issued due to ERCOT’s Transient Security Assessment Tool is currently unavailable. |
Advisory |
Cancelled |
| Feb 15, 2025 3:19:49 PM |
Advisory issued due to ERCOT’s Transient Security Assessment Tool is currently unavailable. |
Advisory |
Active |
| Feb 15, 2025 8:46:45 AM |
The Daily RSASM for 02/15/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 15, 2025 12:02:19 AM |
No sudden loss of generation greater than 450 MW occurred on February 14, 2025. |
Operational Information |
Active |
| Feb 14, 2025 10:30:11 AM |
ERCOT is issuing an OCN for the predicted extreme cold weather event impacting the ERCOT Region starting Wednesday, February 19, 2025 through noon Friday, February 21, 2025. |
OCN |
Active |
| Feb 14, 2025 8:46:43 AM |
The Daily RSASM for 02/14/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 14, 2025 12:04:26 AM |
On February 13, 2025, a sudden loss of generation occurred at 02:12 totaling 571 MW. Frequency declined to 59.947 Hz, ERCOT load was 53,696 MW. |
Operational Information |
Active |
| Feb 13, 2025 11:59:01 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 345 kV outage in the South ERCOT region. |
Operational Information |
Cancelled |
| Feb 13, 2025 10:52:45 AM |
ERCOT is taking manual actions to pre-posture for a 345 kV outage in the South ERCOT region. |
Operational Information |
Active |
| Feb 13, 2025 8:48:00 AM |
The Daily RSASM for 02/13/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 13, 2025 12:12:06 AM |
On February 12, 2025, a sudden loss of generation occurred at 20:48 totaling 813 MW. Frequency declined to 59.923 Hz, ERCOT load was 57,925 MW. |
Operational Information |
Active |
| Feb 12, 2025 10:13:43 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 21:45 for operating day 02/13/25 this is for RRS HE04 to HE18 11 MWs each hour as well as HE19 9.6MW HE20 9.4MW and HE21 9MW. |
Operational Information |
Cancelled |
| Feb 12, 2025 9:21:12 PM |
ERCOT will execute a SASM at 21:45 for operating day 02/13/25 this is for RRS HE04 to HE18 11 MWs each hour as well as HE19 9.6MW HE20 9.4MW and HE21 9MW. |
Operational Information |
Active |
| Feb 12, 2025 8:02:39 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 19:45 for operating day 02/13/25 this is for RRS HE04 to HE18 11 MWs each hour as well as HE19 9.6MW HE20 9.4MW and HE21 9MW. |
Operational Information |
Cancelled |
| Feb 12, 2025 7:20:49 PM |
ERCOT will execute a SASM at 19:45 for operating day 02/13/25 this is for RRS HE04 to HE18 11 MWs each hour as well as HE19 9.6MW HE20 9.4MW and HE21 9MW. |
Operational Information |
Active |
| Feb 12, 2025 8:49:25 AM |
The Daily RSASM for 02/12/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 12, 2025 12:12:43 AM |
No sudden loss of generation greater than 450 MW occurred on February 11, 2025. |
Operational Information |
Active |
| Feb 11, 2025 9:49:54 PM |
ERCOT has cancelled the following notice: Advisory issued due to ERCOT’s Transient Security Assessment Tool is currently unavailable |
Advisory |
Cancelled |
| Feb 11, 2025 9:18:05 PM |
Advisory issued due to ERCOT’s Transient Security Assessment Tool is currently unavailable |
Advisory |
Active |
| Feb 11, 2025 10:51:00 AM |
ERCOT Emergency Base Points are Disabled |
Operational Information |
Cancelled |
| Feb 11, 2025 10:50:03 AM |
ERCOT has cancelled the following notice: At 10:30, ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. |
Operational Information |
Cancelled |
| Feb 11, 2025 10:37:20 AM |
ERCOT Emergency Base Points are Enabled |
Operational Information |
Active |
| Feb 11, 2025 10:30:12 AM |
At 10:30, ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. |
Operational Information |
Active |
| Feb 11, 2025 8:46:13 AM |
The Daily RSASM for 02/11/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 11, 2025 12:03:06 AM |
No sudden loss of generation greater than 450 MW occurred on February 10, 2025. |
Operational Information |
Active |
| Feb 10, 2025 7:06:32 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:45 for operating day 2/10/25 this is for NSPIN HE22 to HE23 8.4 MWs each hour. |
Operational Information |
Cancelled |
| Feb 10, 2025 6:23:50 PM |
ERCOT will execute a SASM at 18:45 for operating day 2/10/25 this is for NSPIN HE22 to HE23 8.4 MWs each hour. |
Operational Information |
Active |
| Feb 10, 2025 8:45:59 AM |
The Daily RSASM for 02/10/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 10, 2025 12:00:39 AM |
No sudden loss of generation greater than 450 MW occurred on February 9, 2025. |
Operational Information |
Active |
| Feb 9, 2025 3:01:42 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at a time of 13:55 for operating day 02/09/2025 for RRS 10.4MW HE16, 10.5MW HE17&18, 8.7 HE19, 8.1 HE20, 8.5 HE21, 9.8 HE22, 11MW HE23&24 |
Advisory |
Cancelled |
| Feb 9, 2025 1:22:11 PM |
ERCOT will execute a SASM at a time of 13:55 for operating day 02/09/2025 for RRS 10.4MW HE16, 10.5MW HE17&18, 8.7 HE19, 8.1 HE20, 8.5 HE21, 9.8 HE22, 11MW HE23&24 |
Advisory |
Active |
| Feb 9, 2025 1:21:33 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at a time of 15:45 for operating day 02/09/2025 for RRS 10.4MW HE16, 10.5MW HE17&18, 8.7 HE19, 8.1 HE20, 8.5 HE21, 9.8 HE22, 11MW HE23&24. |
Operational Information |
Cancelled |
| Feb 9, 2025 1:12:33 PM |
ERCOT will execute a SASM at a time of 15:45 for operating day 02/09/2025 for RRS 10.4MW HE16, 10.5MW HE17&18, 8.7 HE19, 8.1 HE20, 8.5 HE21, 9.8 HE22, 11MW HE23&24. |
Operational Information |
Active |
| Feb 9, 2025 8:46:24 AM |
The Daily RSASM for 02/09/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 9, 2025 12:00:32 AM |
No sudden loss of generation greater than 450 MW occurred on February 8, 2025. |
Operational Information |
Active |
| Feb 8, 2025 9:24:15 PM |
ERCOT has cancelled the following notice: ERCOT will be performing a SASM at [20:50] for operating day [02/08/2025] for RRS - 11 MW HE 23 - 24 For Operating day [02/09/2025] For RRS 11 MW HE 1-8, 9.8 MW HE 9, 9.7 MW HE 10, 10.4 MW HE 11, 10.8 MW HE 12. |
Operational Information |
Cancelled |
| Feb 8, 2025 8:12:15 PM |
ERCOT will be performing a SASM at [20:50] for operating day [02/08/2025] for RRS - 11 MW HE 23 - 24 For Operating day [02/09/2025] For RRS 11 MW HE 1-8, 9.8 MW HE 9, 9.7 MW HE 10, 10.4 MW HE 11, 10.8 MW HE 12. |
Operational Information |
Active |
| Feb 8, 2025 8:46:34 AM |
The Daily RSASM for 02/08/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 8, 2025 12:01:03 AM |
No sudden loss of generation greater than 450 MW occurred on February 7, 2025. |
Operational Information |
Active |
| Feb 7, 2025 8:46:29 AM |
The Daily RSASM for 02/07/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 7, 2025 3:43:30 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. |
Operational Information |
Active |
| Feb 7, 2025 3:43:16 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. |
Operational Information |
Cancelled |
| Feb 7, 2025 12:10:58 AM |
No sudden loss of generation greater than 450 MW occurred on February 6, 2025. |
Operational Information |
Active |
| Feb 6, 2025 4:04:27 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. |
Operational Information |
Active |
| Feb 6, 2025 9:41:59 AM |
At 3:25 PM on 2/06/2025, 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 |
| Feb 6, 2025 8:47:21 AM |
The Daily RSASM for 02/06/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 6, 2025 12:13:24 AM |
No sudden loss of generation greater than 450 MW occurred on February 5, 2025. |
Operational Information |
Active |
| Feb 5, 2025 8:46:10 AM |
The Daily RSASM for 02/05/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 5, 2025 12:03:45 AM |
No sudden loss of generation greater than 450 MW occurred on February 4, 2025. |
Operational Information |
Active |
| Feb 4, 2025 8:47:34 AM |
The Daily RSASM for 02/04/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 4, 2025 12:04:07 AM |
No sudden loss of generation greater than 450 MW occurred on February 3, 2025. |
Operational Information |
Active |
| Feb 3, 2025 8:47:05 AM |
The Daily RSASM for 02/03/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 3, 2025 12:30:47 AM |
No sudden loss of generation greater than 450 MW occurred on February 2, 2025. |
Operational Information |
Active |
| Feb 2, 2025 8:46:21 AM |
The Daily RSASM for 02/02/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 2, 2025 12:13:15 AM |
No sudden loss of generation greater than 450 MW occurred on February 1, 2025. |
Operational Information |
Active |
| Feb 1, 2025 8:47:03 AM |
The Daily RSASM for 02/01/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Feb 1, 2025 12:16:32 AM |
No sudden loss of generation greater than 450 MW occurred on January 31, 2025. |
Operational Information |
Active |
