| Dec 30, 2024 8:45:52 AM |
The Daily RSASM for 12/30/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 30, 2024 12:01:00 AM |
No sudden loss of generation greater than 450 MW occurred on December 29, 2024. |
Operational Information |
Active |
| Dec 29, 2024 8:46:14 AM |
The Daily RSASM for 12/29/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 29, 2024 12:02:13 AM |
No sudden loss of generation greater than 450 MW occurred on December 28, 2024. |
Operational Information |
Active |
| Dec 28, 2024 8:50:27 AM |
The Daily RSASM for 12/28/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 28, 2024 12:00:36 AM |
No sudden loss of generation greater than 450 MW occurred on December 27, 2024. |
Operational Information |
Active |
| Dec 27, 2024 8:46:40 AM |
The Daily RSASM for 12/27/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 27, 2024 12:09:01 AM |
No sudden loss of generation greater than 450 MW occurred on December 26, 2024. |
Operational Information |
Active |
| Dec 26, 2024 8:46:53 AM |
The Daily RSASM for 12/26/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 26, 2024 12:04:56 AM |
No sudden loss of generation greater than 450 MW occurred on December 25, 2024. |
Operational Information |
Active |
| Dec 25, 2024 8:46:18 AM |
The Daily RSASM for 12/25/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 25, 2024 12:03:04 AM |
No sudden loss of generation greater than 450 MW occurred on December 24, 2024. |
Operational Information |
Active |
| Dec 24, 2024 8:46:24 AM |
The Daily RSASM for 12/24/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 24, 2024 12:11:46 AM |
No sudden loss of generation greater than 450 MW occurred on December 23, 2024. |
Operational Information |
Active |
| Dec 23, 2024 10:11:52 PM |
ERCOT has cancelled the following notice: The DC_L (Laredo VFT) 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 |
| Dec 23, 2024 10:11:41 PM |
ERCOT has cancelled the following notice: The DC_L (Laredo VFT) DC Tie will be unavailable from
12/23/2024 16:22 through 12/26/2024 00:00 due to a forced outage. |
Operational Information |
Cancelled |
| Dec 23, 2024 4:58:38 PM |
The DC_L (Laredo VFT) DC Tie will be unavailable from
12/23/2024 16:22 through 12/26/2024 00:00 due to a forced outage. |
Operational Information |
Active |
| Dec 23, 2024 4:56:59 PM |
The DC_L (Laredo VFT) 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 |
| Dec 23, 2024 10:02:10 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action on the PNHNDL IROL. |
Operational Information |
Cancelled |
| Dec 23, 2024 8:46:58 AM |
The Daily RSASM for 12/23/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 23, 2024 12:11:46 AM |
No sudden loss of generation greater than 450 MW occurred on December 22, 2024. |
Operational Information |
Active |
| Dec 22, 2024 8:46:33 AM |
The Daily RSASM for 12/22/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 22, 2024 12:45:03 AM |
No sudden loss of generation greater than 450 MW occurred on December 21, 2024. |
Operational Information |
Active |
| Dec 21, 2024 8:46:27 AM |
The Daily RSASM for 12/21/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 21, 2024 12:30:14 AM |
No sudden loss of generation greater than 450 MW occurred on December 20, 2024. |
Operational Information |
Active |
| Dec 20, 2024 10:07:01 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 2130 for operating day 12/21/2024 for HE 01-07 for 30 MW of REGUP for every hour; 19.3 MW of REGDN for HE 01, HE 03, HE 05, and HE 07; and 20 MW of REGDN for HE 02, HE 04, and HE 06. |
Operational Information |
Cancelled |
| Dec 20, 2024 8:57:57 PM |
ERCOT will execute a SASM at 2130 for operating day 12/21/2024 for HE 01-07 for 30 MW of REGUP for every hour; 19.3 MW of REGDN for HE 01, HE 03, HE 05, and HE 07; and 20 MW of REGDN for HE 02, HE 04, and HE 06. |
Operational Information |
Active |
| Dec 20, 2024 5:23:26 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 1655 for operating day 12/20/24 for HE 19-24 for 20 MW REGDN and 30 MW REGUP for all hours |
Operational Information |
Cancelled |
| Dec 20, 2024 4:23:48 PM |
ERCOT will execute a SASM at 1655 for operating day 12/20/24 for HE 19-24 for 20 MW REGDN and 30 MW REGUP for all hours |
Operational Information |
Active |
| Dec 20, 2024 8:52:14 AM |
The Daily RSASM for 12/20/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 20, 2024 12:04:39 AM |
No sudden loss of generation greater than 450 MW occurred on December 19, 2024. |
Operational Information |
Active |
| Dec 19, 2024 8:47:16 AM |
The Daily RSASM for 12/19/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 19, 2024 12:02:46 AM |
No sudden loss of generation greater than 450 MW occurred on December 18, 2024. |
Operational Information |
Active |
| Dec 18, 2024 9:19:10 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 20:55 for operating day 12/18/24 For ECRS 194.6MW HE 24, For NONSPIN 48 MW HE 24. |
Operational Information |
Cancelled |
| Dec 18, 2024 8:21:42 PM |
ERCOT will execute a SASM at 20:55 for operating day 12/18/24 For ECRS 194.6MW HE 24, For NONSPIN 48 MW HE 24. |
Operational Information |
Active |
| Dec 18, 2024 12:28:21 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Cancelled |
| Dec 18, 2024 10:42:10 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action to preposture for a planned outage in West Texas. |
Operational Information |
Cancelled |
| Dec 18, 2024 9:50:42 AM |
ERCOT is taking manual action to preposture for a planned outage in West Texas. |
Operational Information |
Active |
| Dec 18, 2024 9:29:10 AM |
The minimum monthly Ancillary Services quantities have been posted to the ERCOT Website; Data Products; Grid; Forecasts under the Projected Ancillary Service Requirements link located under the Reports & Extracts heading. The posted quantities reflect minimum requirements only. ERCOT will follow-up with a Notification if any upward adjustments to these minimum quantities are made. |
AS Postings |
Active |
| Dec 18, 2024 8:49:32 AM |
The Daily RSASM for 12/18/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 18, 2024 6:13:14 AM |
ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Active |
| Dec 18, 2024 12:04:31 AM |
No sudden loss of generation greater than 450 MW occurred on December 17, 2024. |
Operational Information |
Active |
| Dec 17, 2024 8:46:41 AM |
The Daily RSASM for 12/17/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 17, 2024 12:00:58 AM |
No sudden loss of generation greater than 450 MW occurred on December 16, 2024. |
Operational Information |
Active |
| Dec 16, 2024 9:17:04 AM |
ERCOT is taking manual action on the PNHNDL IROL. |
Operational Information |
Active |
| Dec 16, 2024 9:14:14 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for a planned outage in the Panhandle area. |
Operational Information |
Cancelled |
| Dec 16, 2024 8:47:09 AM |
The Daily RSASM for 12/16/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 16, 2024 7:17:30 AM |
ERCOT is taking manual action for a planned outage in the Panhandle area. |
Operational Information |
Active |
| Dec 16, 2024 4:19:03 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 04:10 for operating day 12/16/24 for ECRS HE09 1.5 MW; for NSPIN HE07 10.5 MW, HE08 10.5 MW, HE09 3.5 MW; for REGDN HE07 2.2 MW, HE08 14.1 MW, HE09 20.6 MW, HE10 18.6 MW, HE11 15.9 MW, HE12 9.2 MW; for REGUP HE08 15.3 MW; for RRS HE07 28.2 MW, HE08 5.7 MW, HE09 5.5 MW |
Operational Information |
Cancelled |
| Dec 16, 2024 3:35:30 AM |
ERCOT will execute a SASM at 04:10 for operating day 12/16/24 for ECRS HE09 1.5 MW; for NSPIN HE07 10.5 MW, HE08 10.5 MW, HE09 3.5 MW; for REGDN HE07 2.2 MW, HE08 14.1 MW, HE09 20.6 MW, HE10 18.6 MW, HE11 15.9 MW, HE12 9.2 MW; for REGUP HE08 15.3 MW; for RRS HE07 28.2 MW, HE08 5.7 MW, HE09 5.5 MW |
Operational Information |
Active |
| Dec 16, 2024 12:06:55 AM |
No sudden loss of generation greater than 450 MW occurred on December 15, 2024 |
Operational Information |
Active |
| Dec 15, 2024 8:46:54 AM |
The Daily RSASM for 12/15/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 15, 2024 12:53:14 AM |
No sudden loss of generation greater than 450 MW occurred on December 14, 2024 |
Operational Information |
Active |
| Dec 14, 2024 8:46:41 AM |
The Daily RSASM for 12/14/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 14, 2024 12:00:19 AM |
On December 13, 2024, a sudden loss of generation occurred at 22:43 totaling 558 MW. Frequency declined to 59.963 Hz, ERCOT load was 46,480 MW. |
Operational Information |
Active |
| Dec 13, 2024 10:40:12 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Cancelled |
| Dec 13, 2024 8:47:30 AM |
The Daily RSASM for 12/13/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 13, 2024 12:28:51 AM |
No sudden loss of generation greater than 450 MW occurred on December 12, 2024 |
Operational Information |
Active |
| Dec 12, 2024 9:06:13 PM |
ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Active |
| Dec 12, 2024 8:46:37 AM |
The Daily RSASM for 12/12/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 12, 2024 4:27:54 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for an Unsolved Contingency in the West Region. |
Operations Notice |
Cancelled |
| Dec 12, 2024 4:01:33 AM |
ERCOT is taking manual actions for an Unsolved Contingency in the West Region. |
Operations Notice |
Active |
| Dec 12, 2024 12:30:12 AM |
No sudden loss of generation greater than 450 MW occurred on December 11, 2024 |
Operational Information |
Active |
| Dec 11, 2024 8:47:32 AM |
The Daily RSASM for 12/11/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 11, 2024 12:17:12 AM |
No sudden loss of generation greater than 450 MW occurred on December 10, 2024 |
Operational Information |
Active |
| Dec 10, 2024 8:47:01 AM |
The Daily RSASM for 12/10/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 10, 2024 12:39:14 AM |
No sudden loss of generation greater than 450 MW occurred on December 9, 2024 |
Operational Information |
Active |
| Dec 9, 2024 12:46:35 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 12:25 for operating day 12/09/24 for HE 15-23 for 3.7 MW ECRS |
Operational Information |
Cancelled |
| Dec 9, 2024 11:52:30 AM |
ERCOT will execute a SASM at 12:25 for operating day 12/09/24 for HE 15-23 for 3.7 MW ECRS |
Operational Information |
Active |
| Dec 9, 2024 8:47:26 AM |
The Daily RSASM for 12/09/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 9, 2024 12:01:06 AM |
No sudden loss of generation greater than 450 MW occurred on December 8, 2024 |
Operational Information |
Active |
| Dec 8, 2024 8:46:38 AM |
The Daily RSASM for 12/08/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 8, 2024 12:00:18 AM |
No sudden loss of generation greater than 450 MW occurred on December 7, 2024 |
Operational Information |
Active |
| Dec 7, 2024 8:47:04 AM |
The Daily RSASM for 12/07/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 7, 2024 12:02:06 AM |
No sudden loss of generation greater than 450 MW occurred on December 6, 2024 |
Operational Information |
Active |
| Dec 6, 2024 4:12:38 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from
12/04/2024 08:00 through 12/06/2024 12:00 due to a planned outage. |
Operational Information |
Cancelled |
| Dec 6, 2024 8:45:52 AM |
The Daily RSASM for 12/06/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 6, 2024 3:55:15 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. |
Operational Information |
Active |
| Dec 6, 2024 3:55:01 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 |
| Dec 6, 2024 12:06:02 AM |
No sudden loss of generation greater than 450 MW occurred on December 5, 2024 |
Operational Information |
Active |
| Dec 5, 2024 3:52:58 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. |
Operational Information |
Active |
| Dec 5, 2024 11:06:31 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 10:45 for operating day 12/5/2024 this is for HE017 ECRS --2 MWs. |
Operational Information |
Cancelled |
| Dec 5, 2024 10:17:23 AM |
ERCOT will execute a SASM at 10:45 for operating day 12/5/2024 this is for HE017 ECRS --2 MWs. |
Operational Information |
Active |
| Dec 5, 2024 8:45:45 AM |
The Daily RSASM for 12/05/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 5, 2024 12:08:15 AM |
No sudden loss of generation greater than 450 MW occurred on December 4, 2024 |
Operational Information |
Active |
| Dec 4, 2024 8:46:55 AM |
The Daily RSASM for 12/04/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 4, 2024 12:06:19 AM |
No sudden loss of generation greater than 450 MW occurred on December 3, 2024. |
Operational Information |
Active |
| Dec 3, 2024 8:46:35 AM |
The Daily RSASM for 12/03/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 3, 2024 12:01:52 AM |
No sudden loss of generation greater than 450 MW occurred on December 2, 2024. |
Operational Information |
Active |
| Dec 2, 2024 9:02:24 AM |
The DC_R (Railroad) DC Tie will be unavailable from
12/04/2024 08:00 through 12/06/2024 12:00 due to a planned outage. |
Operational Information |
Active |
| Dec 2, 2024 8:46:52 AM |
The Daily RSASM for 12/02/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 2, 2024 12:08:44 AM |
On December 1, 2024, a sudden loss of generation occurred at 05:18 totaling 608 MW. Frequency declined to 59.930 Hz, ERCOT load was 43,728 MW. |
Operational Information |
Active |
| Dec 1, 2024 8:45:46 AM |
The Daily RSASM for 12/01/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Dec 1, 2024 12:15:07 AM |
No sudden loss of generation greater than 450 MW occurred on November 30, 2024. |
Operational Information |
Active |
