| May 31, 2025 11:13:53 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 10:50 for operating day 05/31/2025 for 34 MW ECRS HE 13-18, 35.8 MW NSPIN HE 13-20, 5 MW NSPIN HE 21, 24.3 MW RRS HE 13-18, and 53.4 MW RRS HE 19.
|
Operational Information |
Cancelled |
| May 31, 2025 10:23:01 AM |
ERCOT will execute a SASM at 10:50 for operating day 05/31/2025 for 34 MW ECRS HE 13-18, 35.8 MW NSPIN HE 13-20, 5 MW NSPIN HE 21, 24.3 MW RRS HE 13-18, and 53.4 MW RRS HE 19.
|
Operational Information |
Active |
| May 31, 2025 8:46:00 AM |
The Daily RSASM for 05/31/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 31, 2025 12:02:16 AM |
No sudden loss of generation greater than 450 MW occurred on May 30, 2025.
|
Operational Information |
Active |
| May 30, 2025 8:46:04 AM |
The Daily RSASM for 05/30/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 30, 2025 1:45:31 AM |
On May 29, 2025, a sudden loss of generation occurred at 23:47 totaling 626 MW. Frequency declined to 59.934 Hz, ERCOT load was 55,423 MW.
|
Operational Information |
Active |
| May 29, 2025 1:50:25 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase constraint in the Southeast Texas region.
|
Operational Information |
Cancelled |
| May 29, 2025 1:19:56 PM |
ERCOT is taking manual actions for a Basecase constraint in the Southeast Texas region.
|
Operational Information |
Active |
| May 29, 2025 8:46:55 AM |
The Daily RSASM for 05/29/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 29, 2025 3:04:19 AM |
ERCOT has cancelled the following notice: Advisory issued for a geomagnetic disturbance of k7 until 01:00 on May 29, 2025.
|
Advisory |
Cancelled |
| May 29, 2025 12:07:21 AM |
No sudden loss of generation greater than 450 MW occurred on May 28, 2025.
|
Operational Information |
Active |
| May 28, 2025 9:33:53 PM |
Advisory issued for a geomagnetic disturbance of k7 until 01:00 on May 29, 2025.
|
Advisory |
Active |
| May 28, 2025 1:08:32 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 12:45 for operating day 05/28/25 for RRS HE15 49.5 MW, HE16 47.1 MW, HE17 47.4 MW, HE18 47.8 MW, HE19 52.7 MW, HE20 47.7 MW, HE21 47.5 MW, HE22 44.1 MW, HE23 115.8 MW, HE24 115.5 MW
|
Operational Information |
Cancelled |
| May 28, 2025 12:12:11 PM |
ERCOT will execute a SASM at 12:45 for operating day 05/28/25 for RRS HE15 49.5 MW, HE16 47.1 MW, HE17 47.4 MW, HE18 47.8 MW, HE19 52.7 MW, HE20 47.7 MW, HE21 47.5 MW, HE22 44.1 MW, HE23 115.8 MW, HE24 115.5 MW
|
Operational Information |
Active |
| May 28, 2025 9:59:16 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 09:40 for operating day 05/28/25 for NSPIN HE12 4.1 MW, HE13 11.1 MW, HE14 17.8 MW and for RRS HE12 71.6 MW, HE13 83.1 MW, HE14 56.9 MW
|
Operational Information |
Cancelled |
| May 28, 2025 9:04:33 AM |
ERCOT will execute a SASM at 09:40 for operating day 05/28/25 for NSPIN HE12 4.1 MW, HE13 11.1 MW, HE14 17.8 MW and for RRS HE12 71.6 MW, HE13 83.1 MW, HE14 56.9 MW
|
Operational Information |
Active |
| May 28, 2025 8:47:08 AM |
The Daily RSASM for 05/28/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 28, 2025 12:37:11 AM |
No sudden loss of generation greater than 450 MW occurred on May 27, 2025.
|
Operational Information |
Active |
| May 27, 2025 4:13:25 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 15:50 for operating day 05/27/25 for ECRS HE18 3.0 MW; for REGDN HE21 3.9 MW, HE22 4.8 MW; for REGUP HE19 1.3 MW, HE20-22 5.3 MW, HE23-24 1.3 MW; for RRS HE 21-22 2.4 MW, HE23-24 6.4 MW
|
Operational Information |
Cancelled |
| May 27, 2025 3:19:01 PM |
ERCOT will execute a SASM at 15:50 for operating day 05/27/25 for ECRS HE18 3.0 MW; for REGDN HE21 3.9 MW, HE22 4.8 MW; for REGUP HE19 1.3 MW, HE20-22 5.3 MW, HE23-24 1.3 MW; for RRS HE 21-22 2.4 MW, HE23-24 6.4 MW
|
Operational Information |
Active |
| May 27, 2025 8:46:26 AM |
The Daily RSASM for 05/27/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 27, 2025 12:14:42 AM |
No sudden loss of generation greater than 450 MW occurred on May 26, 2025.
|
Operational Information |
Active |
| May 26, 2025 8:46:44 AM |
The Daily RSASM for 05/26/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 26, 2025 12:05:05 AM |
No sudden loss of generation greater than 450 MW occurred on May 25, 2025.
|
Operational Information |
Active |
| May 25, 2025 10:00:00 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Sunday, May 25, 2025.
|
OCN |
Cancelled |
| May 25, 2025 8:46:31 AM |
The Daily RSASM for 05/25/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 25, 2025 12:03:10 AM |
No sudden loss of generation greater than 450 MW occurred on May 24, 2025.
|
Operational Information |
Active |
| May 24, 2025 10:00:03 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Saturday, May 24,2025.
|
OCN |
Cancelled |
| May 24, 2025 8:47:31 AM |
The Daily RSASM for 05/24/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 24, 2025 12:00:03 AM |
No sudden loss of generation greater than 450 MW occurred on May 23, 2025.
|
Operational Information |
Active |
| May 23, 2025 10:58:00 AM |
ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Sunday, May 25, 2025.
|
OCN |
Active |
| May 23, 2025 10:57:27 AM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Sunday, May 25, 2025.
|
Operational Information |
Cancelled |
| May 23, 2025 9:58:26 AM |
ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Sunday, May 25, 2025.
|
Operational Information |
Active |
| May 23, 2025 8:46:51 AM |
The Daily RSASM for 05/23/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 23, 2025 5:13:21 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 04:45 for operating day 05/23/25 this is for ECRS HE15 1.9MW HE16-HE18 3MW each hour HE20 3MW REGDOWN HE9 7.6MW HE11 7.6MW HE18 7.4MW HE20-HE21 7.4MW each hour REGUP HE15 4.7MW HE16 3.3MW HE17 4.4MW HE18 4.7MW HE21 2.3MW HE22 1.3MW HE23 6.4MW HE24 1.3MW RRS HE20 1.3MW HE21 4.2MW HE22 6.4MW HE24 6.4MW.
|
Operational Information |
Cancelled |
| May 23, 2025 4:23:56 AM |
ERCOT will execute a SASM at 04:45 for operating day 05/23/25 this is for ECRS HE15 1.9MW HE16-HE18 3MW each hour HE20 3MW REGDOWN HE9 7.6MW HE11 7.6MW HE18 7.4MW HE20-HE21 7.4MW each hour REGUP HE15 4.7MW HE16 3.3MW HE17 4.4MW HE18 4.7MW HE21 2.3MW HE22 1.3MW HE23 6.4MW HE24 1.3MW RRS HE20 1.3MW HE21 4.2MW HE22 6.4MW HE24 6.4MW.
|
Operational Information |
Active |
| May 23, 2025 12:28:23 AM |
No sudden loss of generation greater than 450 MW occurred on May 22, 2025.
|
Operational Information |
Active |
| May 22, 2025 6:26:40 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 17:10 for operating day 05/22/2025 for HE20 for 5 MW RRS, HE21 for 1.7 MW REGDN, HE22 for 7.6 MW REGDN, 1.8 MW REGUP and 4.9 MW RRS, HE23 for 5.3 MW REGUP
|
Operational Information |
Cancelled |
| May 22, 2025 4:36:01 PM |
ERCOT will execute a SASM at 17:10 for operating day 05/22/2025 for HE20 for 5 MW RRS, HE21 for 1.7 MW REGDN, HE22 for 7.6 MW REGDN, 1.8 MW REGUP and 4.9 MW RRS, HE23 for 5.3 MW REGUP
|
Operational Information |
Active |
| May 22, 2025 10:17:32 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions for a Basecase constraint in the Southeast Texas region.
|
Operational Information |
Cancelled |
| May 22, 2025 8:46:55 AM |
The Daily RSASM for 05/22/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 22, 2025 12:07:28 AM |
No sudden loss of generation greater than 450 MW occurred on May 21, 2025.
|
Operational Information |
Active |
| May 21, 2025 1:07:14 PM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA.
|
Operational Information |
Cancelled |
| May 21, 2025 10:00:01 AM |
ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones on Saturday, May 24,2025.
|
OCN |
Active |
| May 21, 2025 8:46:04 AM |
The Daily RSASM for 05/21/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 21, 2025 7:19:37 AM |
ERCOT has cancelled the following notice: ERCOT is taking manual actions to pre-posture for a 138KV outage in the West region.
|
Operational Information |
Cancelled |
| May 21, 2025 6:57:18 AM |
The ESKOTA RAS has been taken out of service/removed from RTCA.
|
Operational Information |
Active |
| May 21, 2025 6:06:13 AM |
ERCOT is taking manual actions to pre-posture for a 138KV outage in the West region.
|
Operational Information |
Active |
| May 21, 2025 12:14:49 AM |
No sudden loss of generation greater than 450 MW occurred on May 20, 2025.
|
Operational Information |
Active |
| May 20, 2025 8:46:28 AM |
The Daily RSASM for 05/20/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 20, 2025 2:20:11 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:55 for operating day 05/20/25 for HE 04-12 for 19 MW ECRS
|
Operational Information |
Cancelled |
| May 20, 2025 1:24:03 AM |
ERCOT will execute a SASM at 01:55 for operating day 05/20/25 for HE 04-12 for 19 MW ECRS
|
Operational Information |
Active |
| May 20, 2025 1:23:32 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 02:55 for operating day 05/20/25 for HE 04-12 for 19 MW ECRS
|
Operational Information |
Cancelled |
| May 20, 2025 1:21:22 AM |
ERCOT will execute a SASM at 02:55 for operating day 05/20/25 for HE 04-12 for 19 MW ECRS
|
Operational Information |
Active |
| May 20, 2025 12:01:25 AM |
No sudden loss of generation greater than 450 MW occurred on May 19, 2025.
|
Operational Information |
Active |
| May 19, 2025 4:25:34 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 15:50 for operating day 05/19/2025 for 19 MW ECRS HE 18-24.
|
Operational Information |
Cancelled |
| May 19, 2025 3:14:27 PM |
ERCOT will execute a SASM at 15:50 for operating day 05/19/2025 for 19 MW ECRS HE 18-24.
|
Operational Information |
Active |
| May 19, 2025 8:46:27 AM |
The Daily RSASM for 05/19/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 19, 2025 12:01:01 AM |
No sudden loss of generation greater than 450 MW occurred on May 18, 2025.
|
Operational Information |
Active |
| May 18, 2025 8:45:56 AM |
The Daily RSASM for 05/18/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 18, 2025 12:14:53 AM |
No sudden loss of generation greater than 450 MW occurred on May 17, 2025.
|
Operational Information |
Active |
| May 17, 2025 8:26:42 PM |
At 20:25, All Non-Spin has been recalled.
|
Operational Information |
Active |
| May 17, 2025 8:25:48 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-05-17 20:25:48, END_TIME: 2025-05-17 20:25:48, DURATION: 0 Hrs 0 Mins.;
|
Operational Information |
|
| May 17, 2025 7:33:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 451.6, BEGIN_TIME: 2025-05-17 20:00:00, END_TIME: 2025-05-17 23:59:00, DURATION: 3 Hrs 59 Mins.;
|
Operational Information |
|
| May 17, 2025 7:30:29 PM |
At 19:27 approximately 434 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| May 17, 2025 7:27:52 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 434.8, BEGIN_TIME: 2025-05-17 19:27:52, END_TIME: 2025-05-17 23:59:00, DURATION: 4 Hrs 31 Mins.;
|
Operational Information |
|
| May 17, 2025 3:10:59 PM |
ERCOT is taking manual actions for a Basecase constraint in the Southeast Texas region.
|
Operational Information |
Active |
| May 17, 2025 8:45:46 AM |
The Daily RSASM for 05/17/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 17, 2025 12:19:03 AM |
No sudden loss of generation greater than 450 MW occurred on May 16, 2025.
|
Operational Information |
Active |
| May 16, 2025 11:59:06 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an Advisory for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones, from Tuesday May 13, 2025 to Friday, May 16, 2025.
|
Advisory |
Cancelled |
| May 16, 2025 9:19:05 PM |
At 21:17, All Non-Spin has been recalled.
|
Operational Information |
Active |
| May 16, 2025 9:17:58 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-05-16 21:17:57, END_TIME: 2025-05-16 21:17:57, DURATION: 0 Hrs 0 Mins.;
|
Operational Information |
|
| May 16, 2025 9:09:08 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 292.3, BEGIN_TIME: 2025-05-16 21:09:08, END_TIME: 2025-05-16 23:59:00, DURATION: 2 Hrs 49 Mins.;
|
Operational Information |
|
| May 16, 2025 8:45:53 PM |
ERCOT ECRS HAS BEEN RECALLED
|
Operational Information |
Cancelled |
| May 16, 2025 8:33:02 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1194.7, BEGIN_TIME: 2025-05-16 21:00:00, END_TIME: 2025-05-16 23:59:00, DURATION: 2 Hrs 59 Mins.;
|
Operational Information |
|
| May 16, 2025 7:42:11 PM |
At 19:39 approximately 1,170 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| May 16, 2025 7:39:06 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 1170.9, BEGIN_TIME: 2025-05-16 19:39:06, END_TIME: 2025-05-16 23:59:00, DURATION: 4 Hrs 19 Mins.;
|
Operational Information |
|
| May 16, 2025 7:35:41 PM |
ERCOT ECRS HAS BEEN DEPLOYED
|
Operational Information |
Active |
| May 16, 2025 8:45:49 AM |
The Daily RSASM for 05/16/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 16, 2025 12:04:38 AM |
On May 15, 2025, a sudden loss of generation occurred at 16:59 totaling 682 MW. Frequency declined to 59.939 Hz, ERCOT load was 74,439 MW.
|
Operational Information |
Active |
| May 15, 2025 8:45:59 AM |
The Daily RSASM for 05/15/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 15, 2025 12:00:52 AM |
No sudden loss of generation greater than 450 MW occurred on May 14, 2025.
|
Operational Information |
Active |
| May 14, 2025 8:47:05 AM |
The Daily RSASM for 05/14/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 14, 2025 12:10:07 AM |
No sudden loss of generation greater than 450 MW occurred on May 13, 2025.
|
Operational Information |
Active |
| May 13, 2025 12:32:33 PM |
ERCOT has cancelled the following notice: At 08:35, ERCOT is issuing a OCN for manual action taken on the Panhandle IROL due to topology change.
|
OCN |
Cancelled |
| May 13, 2025 8:47:18 AM |
The Daily RSASM for 05/13/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 13, 2025 12:00:03 AM |
No sudden loss of generation greater than 450 MW occurred on May 12, 2025.
|
Operational Information |
Active |
| May 12, 2025 8:47:08 AM |
The Daily RSASM for 05/12/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 12, 2025 12:02:15 AM |
No sudden loss of generation greater than 450 MW occurred on May 11, 2025.
|
Operational Information |
Active |
| May 11, 2025 3:00:34 PM |
ERCOT is issuing an Advisory for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones, from Tuesday May 13, 2025 to Friday, May 16, 2025.
|
Advisory |
Active |
| May 11, 2025 3:00:08 PM |
ERCOT has cancelled the following notice: ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones, from Tuesday May 13, 2025 to Sunday May 18, 2025.
|
OCN |
Cancelled |
| May 11, 2025 8:46:31 AM |
The Daily RSASM for 05/11/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 11, 2025 7:17:51 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [06:50] for operating day [05/11/2025] for:
ECRS – 3.8 MW HE 11, 8 MW HE 18, 8 MW HE 20, 3.8 MW HE 21.
|
Operational Information |
Cancelled |
| May 11, 2025 6:13:22 AM |
ERCOT will execute a SASM at [06:50] for operating day [05/11/2025] for:
ECRS – 3.8 MW HE 11, 8 MW HE 18, 8 MW HE 20, 3.8 MW HE 21.
|
Operational Information |
Active |
| May 11, 2025 12:02:53 AM |
No sudden loss of generation greater than 450 MW occurred on May 10, 2025.
|
Operational Information |
Active |
| May 10, 2025 2:16:11 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [13:30] for operating day [05/10/2025] for:
RRS – 46 MW HE 17 - 19
NONSPIN – 35.8 MW HE 17-19, 25 MW HE 20, 15 MW HE 21
ECRS – 60 MW HE 17 - 19
|
Operational Information |
Cancelled |
| May 10, 2025 12:57:44 PM |
ERCOT will execute a SASM at [13:30] for operating day [05/10/2025] for:
RRS – 46 MW HE 17 - 19
NONSPIN – 35.8 MW HE 17-19, 25 MW HE 20, 15 MW HE 21
ECRS – 60 MW HE 17 - 19
|
Operational Information |
Active |
| May 10, 2025 8:46:33 AM |
The Daily RSASM for 05/10/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 10, 2025 12:02:27 AM |
No sudden loss of generation greater than 450 MW occurred on May 9, 2025.
|
Operational Information |
Active |
| May 9, 2025 10:00:26 AM |
ERCOT is issuing an OCN for the extreme hot weather with forecasted temperatures to be above 94°F in the North Central and South Central weather zones, from Tuesday May 13, 2025 to Sunday May 18, 2025.
|
OCN |
Active |
| May 9, 2025 8:46:24 AM |
The Daily RSASM for 05/09/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 9, 2025 3:47:29 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 |
| May 9, 2025 3:45:41 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| May 9, 2025 3:37:13 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 03:20 for operating day 05/09/25 this is for REGUP HE 6-17 9MW each hour. REGDOWN HE6 4.1MW HE7 4MW HE8 4.1MW HE9 4MW HE10 4.6MW HE11 4.5MW HE12 4.1MW HE13 4MW HE14 4.1MW HE15 4MW HE16 4.1MW HE17 4MW. RRS HE6-17 19.2MW each hour.
|
Operational Information |
Cancelled |
| May 9, 2025 2:54:56 AM |
ERCOT will execute a SASM at 03:20 for operating day 05/09/25 this is for REGUP HE 6-17 9MW each hour. REGDOWN HE6 4.1MW HE7 4MW HE8 4.1MW HE9 4MW HE10 4.6MW HE11 4.5MW HE12 4.1MW HE13 4MW HE14 4.1MW HE15 4MW HE16 4.1MW HE17 4MW. RRS HE6-17 19.2MW each hour.
|
Operational Information |
Active |
| May 9, 2025 12:01:03 AM |
No sudden loss of generation greater than 450 MW occurred on May 8, 2025.
|
Operational Information |
Active |
| May 8, 2025 3:55:07 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| May 8, 2025 8:46:46 AM |
The Daily RSASM for 05/08/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 8, 2025 8:35:42 AM |
At 08:35, ERCOT is issuing a OCN for manual action taken on the Panhandle IROL due to topology change.
|
OCN |
Active |
| May 8, 2025 12:00:36 AM |
No sudden loss of generation greater than 450 MW occurred on May 7, 2025.
|
Operational Information |
Active |
| May 7, 2025 8:46:00 AM |
The Daily RSASM for 05/07/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 7, 2025 12:04:54 AM |
On May 6, 2025, a sudden loss of generation occurred at 10:44 totaling 570 MW. Frequency declined to 59.933 Hz, ERCOT load was 51,116 MW.
|
Operational Information |
Active |
| May 6, 2025 8:45:57 AM |
The Daily RSASM for 05/06/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 6, 2025 12:05:32 AM |
No sudden loss of generation greater than 450 MW occurred on May 5, 2025.
|
Operational Information |
Active |
| May 5, 2025 8:46:02 AM |
The Daily RSASM for 05/05/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| May 5, 2025 2:42:18 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [01:50] for operating day [05/05/2025] for:
REGDN – 9.4 MW HE 4, 9.1 MW HE 5, 9.4 MW HE 6, 9.1 MW HE 7, 9.4 MW HE 8, 9.1 MW HE 9, 10.7 MW HE 10, 10.3 MW HE 11, 9.4 MW HE 12
REGUP – 15 MW HE 4 - 12
|
Operational Information |
Cancelled |
| May 5, 2025 1:14:33 AM |
ERCOT will execute a SASM at [01:50] for operating day [05/05/2025] for:
REGDN – 9.4 MW HE 4, 9.1 MW HE 5, 9.4 MW HE 6, 9.1 MW HE 7, 9.4 MW HE 8, 9.1 MW HE 9, 10.7 MW HE 10, 10.3 MW HE 11, 9.4 MW HE 12
REGUP – 15 MW HE 4 - 12
|
Operational Information |
Active |
| May 5, 2025 12:00:47 AM |
No sudden loss of generation greater than 450 MW occurred on May 4, 2025.
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Operational Information |
Active |
| May 4, 2025 8:46:32 AM |
The Daily RSASM for 05/04/2025 will not be occurring due to zero participating QSEs.
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Operational Information |
Active |
| May 4, 2025 12:01:25 AM |
No sudden loss of generation greater than 450 MW occurred on May 3, 2025.
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Operational Information |
Active |
| May 3, 2025 10:39:56 PM |
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 DC Tie unable to ramp until 05/3/2025 at 23:59.
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Operational Information |
Cancelled |
| May 3, 2025 8:46:30 PM |
ERCOT has been notified that the Railroad DC Tie has been derated to 150 MW Import/Export due to DC Tie unable to ramp until 05/3/2025 at 23:59.
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Operational Information |
Active |
| May 3, 2025 8:46:34 AM |
The Daily RSASM for 05/03/2025 will not be occurring due to zero participating QSEs.
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Operational Information |
Active |
| May 3, 2025 12:16:48 AM |
No sudden loss of generation greater than 450 MW occurred on May 2, 2025.
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Operational Information |
Active |
| May 2, 2025 3:33:25 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from
04/14/2025 07:30 through 05/02/2025 16:00 due to a planned outage.
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Operational Information |
Cancelled |
| May 2, 2025 3:33:17 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from
04/14/2025 07:30 through 05/02/2025 16:00 due to a planned outage.
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Operational Information |
Cancelled |
| May 2, 2025 9:59:01 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 09:40 for operating day 05/02/25 for HE 12-17 for RRS 19.2MW.
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Operational Information |
Cancelled |
| May 2, 2025 9:58:56 AM |
ERCOT will execute a SASM at 09:40 for operating day 05/02/25 for HE 12-17 for RRS 19.2MW.
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Operational Information |
Active |
| May 2, 2025 8:46:56 AM |
The Daily RSASM for 05/02/2025 will not be occurring due to zero participating QSEs.
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Operational Information |
Active |
| May 2, 2025 8:22:59 AM |
The DC_E (East) DC Tie will be unavailable from
10/26/2024 00:00 through 09/15/2025 12:00 due to a forced outage.
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Operational Information |
Active |
| May 2, 2025 8:19:19 AM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie will be unavailable from
10/26/2024 11:24 through 06/13/2025 23:59 due to a forced outage.
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Operational Information |
Cancelled |
| May 2, 2025 12:09:36 AM |
No sudden loss of generation greater than 450 MW occurred on May 1, 2025.
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Operational Information |
Active |
| May 1, 2025 5:03:29 PM |
ERCOT has cancelled the following notice: At 3:25 PM on 5/01/2025, 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.
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Operational Information |
Cancelled |
| May 1, 2025 9:55:52 AM |
At 3:25 PM on 5/01/2025, 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.
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Operational Information |
Active |
| May 1, 2025 8:46:02 AM |
The Daily RSASM for 05/01/2025 will not be occurring due to zero participating QSEs.
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Operational Information |
Active |
| May 1, 2025 12:10:36 AM |
No sudden loss of generation greater than 450 MW occurred on April 30, 2025.
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Operational Information |
Active |
