| Jan 23, 2025 8:46:31 AM |
The Daily RSASM for 01/23/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 23, 2025 12:13:09 AM |
No sudden loss of generation greater than 450 MW occurred on January 22, 2025. |
Operational Information |
Active |
| Jan 22, 2025 2:01:59 PM |
DAM is complete, DRUC will begin at 15:15 |
Operational Information |
Active |
| Jan 22, 2025 1:24:00 PM |
DAM Notice: ERCOT has postponed the deadline for the posting of the DAM solution for Operating Day 01/23/2025 due to identified system issue that has been resolved. |
Advisory |
Active |
| Jan 22, 2025 12:01:36 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for the extreme cold weather system approaching Sunday, January 19, 2025 through noon Thursday, January 23, 2025 with temperatures anticipated to remain below freezing. |
Advisory |
Cancelled |
| Jan 22, 2025 12:01:10 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for the predicted extreme cold weather event impacting the ERCOT Region starting noon, Sunday, January 19, 2025 through noon Wednesday, January 22, 2025. |
OCN |
Cancelled |
| Jan 22, 2025 12:00:55 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a [Watch] for Monday afternoon, January 20, 2025, through Wednesday morning, January 22, 2025, due to the increasing risk of freezing precipitation generally over a large area. Generally, East of Interstate 35, and South of Interstate 20 corridor within the ERCOT Region. If you experience any issues as a direct result of the weather event, notify ERCOT. |
Watch |
Cancelled |
| Jan 22, 2025 12:00:48 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a Watch for the extreme cold weather system approaching Sunday, January 19, 2025 through noon Thursday, January 23, 2025 with temperatures anticipated to remain below freezing. |
Watch |
Cancelled |
| Jan 22, 2025 10:33:25 AM |
ERCOT has cancelled the following notice: ERCOT has been notified that the RAILROAD DC Tie has been derated to 150 MW Import/Export due to unplanned outage until further notice. |
Operational Information |
Cancelled |
| Jan 22, 2025 8:46:53 AM |
The Daily RSASM for 01/22/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 22, 2025 8:34:53 AM |
ERCOT has been notified that the RAILROAD DC Tie has been derated to 150 MW Import/Export due to unplanned outage until further notice. |
Operational Information |
Active |
| Jan 22, 2025 12:31:01 AM |
On January 21, 2025, a sudden loss of generation occurred at 23:43 totaling 673.68 MW. Frequency declined to 59.937 Hz, ERCOT load was 70,108 MW. |
Operational Information |
Active |
| Jan 21, 2025 1:01:51 PM |
ERCOT has cancelled the following notice: At 05:00, ERCOT is issuing a Transmission Emergency in South and Southeast Texas for loss of transmission from freezing precipitation.
|
Emergency Notice |
Cancelled |
| Jan 21, 2025 8:47:04 AM |
The Daily RSASM for 01/21/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 21, 2025 4:58:49 AM |
At 05:00, ERCOT is issuing a Transmission Emergency in South and Southeast Texas for loss of transmission from freezing precipitation.
|
Emergency Notice |
Active |
| Jan 21, 2025 12:21:40 AM |
No sudden loss of generation greater than 450 MW occurred on January 20, 2025. |
Operational Information |
Active |
| Jan 20, 2025 8:47:17 AM |
The Daily RSASM for 01/20/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 20, 2025 12:04:53 AM |
No sudden loss of generation greater than 450 MW occurred on January 19, 2025. |
Operational Information |
Active |
| Jan 19, 2025 12:00:03 PM |
ERCOT is issuing a [Watch] for Monday afternoon, January 20, 2025, through Wednesday morning, January 22, 2025, due to the increasing risk of freezing precipitation generally over a large area. Generally, East of Interstate 35, and South of Interstate 20 corridor within the ERCOT Region. If you experience any issues as a direct result of the weather event, notify ERCOT. |
Watch |
Active |
| Jan 19, 2025 8:46:46 AM |
The Daily RSASM for 01/19/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 19, 2025 5:04:29 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Cancelled |
| Jan 19, 2025 12:36:59 AM |
No sudden loss of generation greater than 450 MW occurred on January 18, 2025. |
Operational Information |
Active |
| Jan 18, 2025 9:15:49 PM |
ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Active |
| Jan 18, 2025 8:46:24 AM |
The Daily RSASM for 01/18/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 18, 2025 12:03:08 AM |
On January 17, 2025, a sudden loss of generation occurred at 12:56 totaling 686 MW. Frequency declined to 59.934 Hz, ERCOT load was 53,247 MW. |
Operational Information |
Active |
| Jan 17, 2025 8:46:43 AM |
The Daily RSASM for 01/17/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 17, 2025 12:33:10 AM |
No sudden loss of generation greater than 450 MW occurred on January 16, 2025. |
Operational Information |
Active |
| Jan 16, 2025 7:03:03 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:45 for operating day 01/16/25 for HE21-24 and for operating day 01/17/25 for HE01-10 and HE12-17 for 19.2 MW RRS |
Operational Information |
Cancelled |
| Jan 16, 2025 6:08:57 PM |
ERCOT will execute a SASM at 18:45 for operating day 01/16/25 for HE21-24 and for operating day 01/17/25 for HE01-10 and HE12-17 for 19.2 MW RRS |
Operational Information |
Active |
| Jan 16, 2025 1:00:04 PM |
ERCOT is issuing a Watch for the extreme cold weather system approaching Sunday, January 19, 2025 through noon Thursday, January 23, 2025 with temperatures anticipated to remain below freezing. |
Watch |
Active |
| Jan 16, 2025 8:47:21 AM |
The Daily RSASM for 01/16/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 16, 2025 12:00:13 AM |
No sudden loss of generation greater than 450 MW occurred on January 15, 2025. |
Operational Information |
Active |
| Jan 15, 2025 1:16:19 PM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
01/15/2025 12:11 through 01/15/2025 13:00 due to a forced outage. |
Operational Information |
Cancelled |
| Jan 15, 2025 1:16:06 PM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
01/15/2025 12:55 through 01/15/2025 23:59 due to a forced outage. |
Operational Information |
Cancelled |
| Jan 15, 2025 12:56:23 PM |
The DC_N (North) DC Tie will be unavailable from
01/15/2025 12:55 through 01/15/2025 23:59 due to a forced outage. |
Operational Information |
Active |
| Jan 15, 2025 12:17:39 PM |
The DC_N (North) DC Tie will be unavailable from
01/15/2025 12:11 through 01/15/2025 13:00 due to a forced outage. |
Operational Information |
Active |
| Jan 15, 2025 11:00:15 AM |
ERCOT is issuing an Advisory for the extreme cold weather system approaching Sunday, January 19, 2025 through noon Thursday, January 23, 2025 with temperatures anticipated to remain below freezing. |
Advisory |
Active |
| Jan 15, 2025 8:46:24 AM |
The Daily RSASM for 01/15/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 15, 2025 8:20:41 AM |
At 08:19, All Non-Spin has been recalled. |
Operational Information |
Active |
| Jan 15, 2025 8:19:10 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-01-15 08:19:09, END_TIME: 2025-01-15 08:19:09, DURATION: 0 Hrs 0 Mins.; |
Operational Information |
|
| Jan 15, 2025 8:11:06 AM |
ERCOT ECRS HAS BEEN RECALLED |
Operational Information |
Cancelled |
| Jan 15, 2025 7:37:45 AM |
At 07:35 approximately 1167 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| Jan 15, 2025 7:35:27 AM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1167.3, BEGIN_TIME: 2025-01-15 07:35:27, END_TIME: 2025-01-15 23:59:00, DURATION: 16 Hrs 23 Mins.; |
Operational Information |
|
| Jan 15, 2025 7:06:18 AM |
ERCOT ECRS HAS BEEN DEPLOYED |
Operational Information |
Active |
| Jan 15, 2025 1:12:49 AM |
No sudden loss of generation greater than 450 MW occurred on January 14, 2025. |
Operational Information |
Active |
| Jan 14, 2025 8:46:49 AM |
The Daily RSASM for 01/14/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 14, 2025 12:18:14 AM |
No sudden loss of generation greater than 450 MW occurred on January 13, 2025. |
Operational Information |
Active |
| Jan 13, 2025 3:44:25 PM |
ERCOT Emergency Base Points are Disabled |
Operational Information |
Cancelled |
| Jan 13, 2025 3:42:17 PM |
ERCOT Emergency Base Points are Enabled |
Operational Information |
Active |
| Jan 13, 2025 1:00:00 PM |
ERCOT is issuing an OCN for the predicted extreme cold weather event impacting the ERCOT Region starting noon, Sunday, January 19, 2025 through noon Wednesday, January 22, 2025. |
OCN |
Active |
| Jan 13, 2025 9:53:23 AM |
At 3:25 PM on 1/13/2025, 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 |
| Jan 13, 2025 8:47:02 AM |
The Daily RSASM for 01/13/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 13, 2025 12:17:29 AM |
No sudden loss of generation greater than 450 MW occurred on January 12, 2025. |
Operational Information |
Active |
| Jan 12, 2025 8:45:48 AM |
The Daily RSASM for 01/12/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 12, 2025 12:05:01 AM |
No sudden loss of generation greater than 450 MW occurred on January 11, 2025. |
Operational Information |
Active |
| Jan 11, 2025 8:45:50 AM |
The Daily RSASM for 01/11/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 11, 2025 12:00:34 AM |
No sudden loss of generation greater than 450 MW occurred on January 10, 2025 |
Operational Information |
Active |
| Jan 10, 2025 8:01:08 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a Watch for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
Watch |
Cancelled |
| Jan 10, 2025 8:00:13 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a Advisory for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
Advisory |
Cancelled |
| Jan 10, 2025 8:00:03 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a OCN for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
OCN |
Cancelled |
| Jan 10, 2025 3:00:32 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for Wednesday, January 08, 2025 through Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region that is roughly North of a line of IH10. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
OCN |
Cancelled |
| Jan 10, 2025 3:00:23 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for Wednesday, January 08, 2025 through Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region that is roughly North of a line of IH-10. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
Advisory |
Cancelled |
| Jan 10, 2025 3:00:08 PM |
ERCOT has cancelled the following notice: ERCOT is issuing a Watch for Thursday, January 09, 2025 and Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
Watch |
Cancelled |
| Jan 10, 2025 8:46:06 AM |
The Daily RSASM for 01/10/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 10, 2025 12:00:03 AM |
No sudden loss of generation greater than 450 MW occurred on January 9, 2025 |
Operational Information |
Active |
| Jan 9, 2025 8:47:25 AM |
The Daily RSASM for 01/09/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 9, 2025 12:00:43 AM |
No sudden loss of generation greater than 450 MW occurred on January 8, 2025 |
Operational Information |
Active |
| Jan 8, 2025 5:00:02 PM |
ERCOT is issuing a Watch for Thursday, January 09, 2025 and Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
Watch |
Active |
| Jan 8, 2025 8:54:23 AM |
The Daily RSASM for 01/08/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 8, 2025 3:56:56 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. |
Operational Information |
Active |
| Jan 8, 2025 3:55:30 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 |
| Jan 8, 2025 12:00:11 AM |
No sudden loss of generation greater than 450 MW occurred on January 7, 2025 |
Operational Information |
Active |
| Jan 7, 2025 4:01:02 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. |
Operational Information |
Active |
| Jan 7, 2025 10:00:05 AM |
ERCOT is issuing an Advisory for Wednesday, January 08, 2025 through Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region that is roughly North of a line of IH-10. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
Advisory |
Active |
| Jan 7, 2025 8:47:40 AM |
The Daily RSASM for 01/07/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 7, 2025 12:23:12 AM |
No sudden loss of generation greater than 450 MW occurred on January 6, 2025 |
Operational Information |
Active |
| Jan 6, 2025 11:31:49 AM |
ERCOT is issuing an OCN for Wednesday, January 08, 2025 through Friday, January 10, 2025 due to the possibility of Freezing precipitation over a large portion of the ERCOT Region that is roughly North of a line of IH10. If you experience any issues as a direct result of the weather event, notify ERCOT. QSEs representing FFSSRs begin preparation for potential FFSS deployment. |
OCN |
Active |
| Jan 6, 2025 8:50:41 AM |
The Daily RSASM for 01/06/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 6, 2025 12:03:06 AM |
No sudden loss of generation greater than 450 MW occurred on January 5, 2025 |
Operational Information |
Active |
| Jan 5, 2025 8:04:16 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [1940] for operating day 01/06/2025 for RRS for HE 06 – HE 10, for HE06 for 8MW, for HE07 for 7.6 MW, for HE08 for 8.1MW, for HE 09 and HE 10 for 7.6MW |
Operational Information |
Cancelled |
| Jan 5, 2025 7:03:46 PM |
ERCOT will execute a SASM at [1940] for operating day 01/06/2025 for RRS for HE 06 – HE 10, for HE06 for 8MW, for HE07 for 7.6 MW, for HE08 for 8.1MW, for HE 09 and HE 10 for 7.6MW |
Operational Information |
Active |
| Jan 5, 2025 1:00:07 PM |
ERCOT is issuing a Watch for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
Watch |
Active |
| Jan 5, 2025 8:46:48 AM |
The Daily RSASM for 01/05/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 5, 2025 4:12:46 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Cancelled |
| Jan 5, 2025 12:02:02 AM |
No sudden loss of generation greater than 450 MW occurred on January 4, 2025 |
Operational Information |
Active |
| Jan 4, 2025 11:30:07 AM |
ERCOT is issuing a Advisory for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
Advisory |
Active |
| Jan 4, 2025 8:45:58 AM |
The Daily RSASM for 01/04/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 4, 2025 12:07:22 AM |
No sudden loss of generation greater than 450 MW occurred on January 3, 2025 |
Operational Information |
Active |
| Jan 3, 2025 9:49:00 PM |
ERCOT is taking manual action for an unsolved contingency in the West region. |
Operational Information |
Active |
| Jan 3, 2025 9:32:30 AM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA |
Operational Information |
Cancelled |
| Jan 3, 2025 9:30:22 AM |
ERCOT is issuing a OCN for the extreme cold weather system approaching the ERCOT Region with temperatures and windchills expected to be freezing from Monday, January 06, 2025 through Friday, January 10, 2025. |
OCN |
Active |
| Jan 3, 2025 9:27:34 AM |
The ESKOTA RAS has been taken out of service/removed from RTCA |
Operational Information |
Active |
| Jan 3, 2025 8:46:31 AM |
The Daily RSASM for 01/03/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 3, 2025 12:01:44 AM |
No sudden loss of generation greater than 450 MW occurred on January 2, 2025 |
Operational Information |
Active |
| Jan 2, 2025 8:47:29 AM |
The Daily RSASM for 01/02/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 2, 2025 12:02:01 AM |
No sudden loss of generation greater than 450 MW occurred on January 1, 2025 |
Operational Information |
Active |
| Jan 1, 2025 11:59:04 PM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of [K-8] until 1/1/25 23:59. |
Advisory |
Cancelled |
| Jan 1, 2025 12:17:05 PM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of [K-7] until 1/1/25 16:00. |
Advisory |
Cancelled |
| Jan 1, 2025 12:16:39 PM |
Advisory issued for a geomagnetic disturbance of [K-8] until 1/1/25 23:59. |
Advisory |
Active |
| Jan 1, 2025 12:03:46 PM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 until 01/01/2025 at 10:00. |
Operational Information |
Cancelled |
| Jan 1, 2025 12:03:31 PM |
The Space Weather Prediction Center has extended the GMD Warning of K-8 until 01/01/2025 at 23:59. |
Operational Information |
Active |
| Jan 1, 2025 8:45:43 AM |
The Daily RSASM for 01/01/2025 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Jan 1, 2025 8:09:29 AM |
Advisory issued for a geomagnetic disturbance of [K-7] until 1/1/25 16:00. |
Advisory |
Active |
| Jan 1, 2025 8:00:05 AM |
The Space Weather Prediction Center has extended the GMD Warning of K-7 until 01/01/2025 at 16:00. |
Operational Information |
Active |
| Jan 1, 2025 5:44:08 AM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 until 01/01/2025 at 10:00. |
Operational Information |
Active |
| Jan 1, 2025 12:05:05 AM |
No sudden loss of generation greater than 450 MW occurred on December 31, 2024. |
Operational Information |
Active |
