| Oct 31, 2025 12:00:10 PM |
ERCOT has cancelled the following notice: At 20:30, ERCOT is issuing an OCN due to a potential wildfire risk for Tuesday, October 28, 2025 for a large portion of South Texas in the ERCOT region until further notice.
|
Operational Information |
Cancelled |
| Oct 31, 2025 8:45:50 AM |
The Daily RSASM for 10/31/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 31, 2025 12:00:37 AM |
No sudden loss of generation greater than 450 MW occurred on October 30, 2025.
|
Operational Information |
Active |
| Oct 30, 2025 1:15:34 PM |
ERCOT has cancelled the following notice: At 12:35, ERCOT plans to end the RTC+B closed loop test and cutover its Energy & Market Management Systems back to Production systems.
|
Operational Information |
Cancelled |
| Oct 30, 2025 1:15:27 PM |
ERCOT has cancelled the following notice: At 10:35, ERCOT initiated a RTC+B closed loop test and is currently operating on RTC+B Energy & Market Management Systems.
|
Operational Information |
Cancelled |
| Oct 30, 2025 1:15:14 PM |
ERCOT has cancelled the following notice: At 10:35, ERCOT plans to perform a RTC+B closed loop test and cutover of its Energy & Market Management Systems to RTC+B systems.
|
Operational Information |
Cancelled |
| Oct 30, 2025 12:00:12 PM |
At 12:35, ERCOT plans to end the RTC+B closed loop test and cutover its Energy & Market Management Systems back to Production systems.
|
Operational Information |
Active |
| Oct 30, 2025 10:39:01 AM |
At 10:35, ERCOT initiated a RTC+B closed loop test and is currently operating on RTC+B Energy & Market Management Systems.
|
Operational Information |
Active |
| Oct 30, 2025 10:00:12 AM |
At 10:35, ERCOT plans to perform a RTC+B closed loop test and cutover of its Energy & Market Management Systems to RTC+B systems.
|
Operational Information |
Active |
| Oct 30, 2025 8:45:49 AM |
The Daily RSASM for 10/30/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 30, 2025 12:00:32 AM |
No sudden loss of generation greater than 450 MW occurred on October 29, 2025.
|
Operational Information |
Active |
| Oct 29, 2025 10:54:05 AM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service.
|
Operational Information |
Cancelled |
| Oct 29, 2025 8:46:48 AM |
The Daily RSASM for 10/29/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 29, 2025 7:44:35 AM |
The ESKOTA RAS has been taken out of service.
|
Operational Information |
Active |
| Oct 29, 2025 2:14:52 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:50 for operating day 10/29/2025 for 8 MW ECRS HE 4-24.
|
Operational Information |
Cancelled |
| Oct 29, 2025 1:14:00 AM |
ERCOT will execute a SASM at 01:50 for operating day 10/29/2025 for 8 MW ECRS HE 4-24.
|
Operational Information |
Active |
| Oct 29, 2025 12:17:01 AM |
No sudden loss of generation greater than 450 MW occurred on October 28, 2025.
|
Operational Information |
Active |
| Oct 28, 2025 9:23:50 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 20:50 for operating day 10/29/2025 for 8 MW ECRS HE 1-24.
|
Operational Information |
Cancelled |
| Oct 28, 2025 9:21:33 PM |
ERCOT has cancelled the following notice: Taking manual actions by committing and de-committing generation in the Far West Region to mitigate overloads due to outages in the area.
|
Operational Information |
Cancelled |
| Oct 28, 2025 8:30:20 PM |
At 20:30, ERCOT is issuing an OCN due to a potential wildfire risk for Tuesday, October 28, 2025 for a large portion of South Texas in the ERCOT region until further notice.
|
Operational Information |
Active |
| Oct 28, 2025 8:13:59 PM |
ERCOT will execute a SASM at 20:50 for operating day 10/29/2025 for 8 MW ECRS HE 1-24.
|
Operational Information |
Active |
| Oct 28, 2025 1:01:17 PM |
Taking manual actions by committing and de-committing generation in the Far West Region to mitigate overloads due to outages in the area.
|
Operational Information |
Active |
| Oct 28, 2025 1:00:35 PM |
ERCOT has cancelled the following notice: Taking manual actions by committing generation in the Far West Region to mitigate overloads due to outages in the area.
|
Operational Information |
Cancelled |
| Oct 28, 2025 12:29:18 PM |
Taking manual actions by committing generation in the Far West Region to mitigate overloads due to outages in the area.
|
Operational Information |
Active |
| Oct 28, 2025 8:46:45 AM |
The Daily RSASM for 10/28/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 28, 2025 12:14:33 AM |
No sudden loss of generation greater than 450 MW occurred on October 27, 2025.
|
Operational Information |
Active |
| Oct 27, 2025 8:46:38 AM |
The Daily RSASM for 10/27/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 27, 2025 12:13:08 AM |
No sudden loss of generation greater than 450 MW occurred on October 26, 2025.
|
Operational Information |
Active |
| Oct 26, 2025 7:34:08 PM |
ERCOT took manual actions for an unsolved contingency in the South Central region from 10/24/2025 at 23:53 to 10/25/2025 at 00:06.
|
Operational Information |
Active |
| Oct 26, 2025 8:47:41 AM |
The Daily RSASM for 10/26/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 26, 2025 12:40:58 AM |
No sudden loss of generation greater than 450 MW occurred on October 25, 2025.
|
Operational Information |
Active |
| Oct 25, 2025 8:47:16 AM |
The Daily RSASM for 10/25/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 25, 2025 12:01:40 AM |
No sudden loss of generation greater than 450 MW occurred on October 24, 2025.
|
Operational Information |
Active |
| Oct 24, 2025 2:42:35 PM |
ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie will be unavailable from
10/13/2025 07:30 through 10/24/2025 16:00 due to a planned outage.
|
Operational Information |
Cancelled |
| Oct 24, 2025 11:35:07 AM |
Notification of Real-Time Market (RTM) prices under investigation. ERCOT is currently investigating Real-Time prices for 3 SCED runs between 08:10 and 08:15 on OD 10/14/2025. Should a price correction be warranted, a follow-up Market Notice will be issued with more details.
|
Alert |
Active |
| Oct 24, 2025 8:46:11 AM |
The Daily RSASM for 10/24/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 24, 2025 2:07:53 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 01:45 for operating day 10/24/25 this is for ECRS HE19: 8.4MW, HE20: 3.5MW, HE21: 3MW. REGDOWN HE9: 3.1MW, HE20-HE21: 4MW each hour, HE 22: 3MW. REGUP HE10: 8.9MW, HE20: 5.3MW, HE22: 8.9MW.
|
Operational Information |
Cancelled |
| Oct 24, 2025 1:07:32 AM |
ERCOT will execute a SASM at 01:45 for operating day 10/24/25 this is for ECRS HE19: 8.4MW, HE20: 3.5MW, HE21: 3MW. REGDOWN HE9: 3.1MW, HE20-HE21: 4MW each hour, HE 22: 3MW. REGUP HE10: 8.9MW, HE20: 5.3MW, HE22: 8.9MW.
|
Operational Information |
Active |
| Oct 24, 2025 12:02:03 AM |
No sudden loss of generation greater than 450 MW occurred on October 23, 2025.
|
Operational Information |
Active |
| Oct 23, 2025 10:08:55 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 21:45 for operating day 10/24/25 this is for NONSPIN HE6: 78.4MW, HE7: 42.4MW, HE9: 29.2MW. REGUP HE7: 7.9MW, HE9: 9.8MW.
|
Operational Information |
Cancelled |
| Oct 23, 2025 9:09:25 PM |
ERCOT will execute a SASM at 21:45 for operating day 10/24/25 this is for NONSPIN HE6: 78.4MW, HE7: 42.4MW, HE9: 29.2MW. REGUP HE7: 7.9MW, HE9: 9.8MW.
|
Operational Information |
Active |
| Oct 23, 2025 8:11:57 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 19:45 for operating day 10/23/25 this is for REGDOWN HE23 97.5MW and for operating day 10/24/2025 REGUP HE1 30.5MW, HE2 5.1MW.
|
Operational Information |
Cancelled |
| Oct 23, 2025 7:12:38 PM |
ERCOT will execute a SASM at 19:45 for operating day 10/23/25 this is for REGDOWN HE23 97.5MW and for operating day 10/24/2025 REGUP HE1 30.5MW, HE2 5.1MW.
|
Operational Information |
Active |
| Oct 23, 2025 8:48:30 AM |
The Daily RSASM for 10/23/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 23, 2025 12:01:58 AM |
No sudden loss of generation greater than 450 MW occurred on October 22, 2025.
|
Operational Information |
Active |
| Oct 22, 2025 8:46:05 AM |
The Daily RSASM for 10/22/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 22, 2025 12:12:43 AM |
No sudden loss of generation greater than 450 MW occurred on October 21, 2025.
|
Operational Information |
Active |
| Oct 21, 2025 9:53:44 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 21:35 for operating day 10/22/25 this is for ECRS HE1 to HE24 8MWs each hour.
|
Operational Information |
Cancelled |
| Oct 21, 2025 9:05:26 PM |
ERCOT will execute a SASM at 21:35 for operating day 10/22/25 this is for ECRS HE1 to HE24 8MWs each hour.
|
Operational Information |
Active |
| Oct 21, 2025 8:25:15 PM |
At 20:24, All Non-Spin has been recalled.
|
Operational Information |
Active |
| Oct 21, 2025 8:24:10 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2025-10-21 20:24:10, END_TIME: 2025-10-21 20:24:10, DURATION: 0 Hrs 0 Mins.;
|
Operational Information |
|
| Oct 21, 2025 7:33:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 596.7, BEGIN_TIME: 2025-10-21 20:00:00, END_TIME: 2025-10-21 23:59:01, DURATION: 3 Hrs 59 Mins.;
|
Operational Information |
|
| Oct 21, 2025 6:33:01 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 590.8, BEGIN_TIME: 2025-10-21 19:00:00, END_TIME: 2025-10-21 23:59:01, DURATION: 4 Hrs 59 Mins.;
|
Operational Information |
|
| Oct 21, 2025 5:47:27 PM |
At 17:45 approximately 518 MW of Non-Spin has been deployed, anticipated duration is 23:59.
|
Operational Information |
Active |
| Oct 21, 2025 5:45:40 PM |
CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 518.3, BEGIN_TIME: 2025-10-21 17:45:40, END_TIME: 2025-10-21 23:59:01, DURATION: 6 Hrs 13 Mins.;
|
Operational Information |
|
| Oct 21, 2025 8:46:06 AM |
The Daily RSASM for 10/21/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 21, 2025 12:09:53 AM |
No sudden loss of generation greater than 450 MW occurred on October 20, 2025.
|
Operational Information |
Active |
| Oct 20, 2025 7:41:52 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:45 for operating day 10/20/25 for ECRS HE24 19MW and for operating day 10/21/25 for ECRS HE1-HE17 19MW each hour HE24 19MW.
|
Operational Information |
Cancelled |
| Oct 20, 2025 6:27:02 PM |
ERCOT will execute a SASM at 18:45 for operating day 10/20/25 for ECRS HE24 19MW and for operating day 10/21/25 for ECRS HE1-HE17 19MW each hour HE24 19MW.
|
Operational Information |
Active |
| Oct 20, 2025 8:46:04 AM |
The Daily RSASM for 10/20/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 20, 2025 1:24:54 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [00:50] for operating day [10/20/2025] for:
ECRS – 14 MW HE 08 - 23
|
Operational Information |
Cancelled |
| Oct 20, 2025 12:12:11 AM |
ERCOT will execute a SASM at [00:50] for operating day [10/20/2025] for:
ECRS – 14 MW HE 08 - 23
|
Operational Information |
Active |
| Oct 20, 2025 12:00:30 AM |
No sudden loss of generation greater than 450 MW occurred on October 19, 2025.
|
Operational Information |
Active |
| Oct 19, 2025 8:46:30 AM |
The Daily RSASM for 10/19/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 19, 2025 12:01:03 AM |
No sudden loss of generation greater than 450 MW occurred on October 18, 2025.
|
Operational Information |
Active |
| Oct 18, 2025 4:16:42 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for the SAMSW GTC due to topology changes
|
Operational Information |
Cancelled |
| Oct 18, 2025 11:43:38 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [10:45] for operating day 10/18/25 for HE20 16.6MW REGUP, HE21 2.5MW ECRS, 6.1MW REGUP, and 7.8MW RRS, HE22 14.5MW RRS.
|
Operational Information |
Cancelled |
| Oct 18, 2025 10:06:22 AM |
ERCOT will execute a SASM at [10:45] for operating day 10/18/25 for HE20 16.6MW REGUP, HE21 2.5MW ECRS, 6.1MW REGUP, and 7.8MW RRS, HE22 14.5MW RRS.
|
Operational Information |
Active |
| Oct 18, 2025 9:23:08 AM |
ERCOT is taking manual action for the SAMSW GTC due to topology changes
|
Operational Information |
Active |
| Oct 18, 2025 8:46:21 AM |
The Daily RSASM for 10/18/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 18, 2025 12:00:56 AM |
No sudden loss of generation greater than 450 MW occurred on October 17, 2025.
|
Operational Information |
Active |
| Oct 17, 2025 6:02:28 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [17:50] for operating day [10/17/2025] for:
RRS – 38 MW HE 20, 4.3 MW HE 21, 84.5 MW HE 22, 52.4 MW HE 23
ECRS – 12 MW HE 20, 2 MW HE 21, 3.2 MW HE 22
NONSPIN – 22.2 MW HE 21, 41.2 MW HE 22, 12.1 MW HE 23
REGDN – 30 MW HE 21
REGUP – 60 MW HE 21, 21 MW HE 22, 28.5 MW HE 23, 30 MW HE 24
|
Operational Information |
Cancelled |
| Oct 17, 2025 5:14:25 PM |
ERCOT will execute a SASM at [17:50] for operating day [10/17/2025] for:
RRS – 38 MW HE 20, 4.3 MW HE 21, 84.5 MW HE 22, 52.4 MW HE 23
ECRS – 12 MW HE 20, 2 MW HE 21, 3.2 MW HE 22
NONSPIN – 22.2 MW HE 21, 41.2 MW HE 22, 12.1 MW HE 23
REGDN – 30 MW HE 21
REGUP – 60 MW HE 21, 21 MW HE 22, 28.5 MW HE 23, 30 MW HE 24
|
Operational Information |
Active |
| Oct 17, 2025 8:46:25 AM |
The Daily RSASM for 10/17/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 17, 2025 1:03:43 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [0045] for operating day 10/17/2025 for 24 MW ECRS and 7.6 MW RRS for HE 19, and 24MW ECRS and 7.7MW RRS for HE 20
|
Operational Information |
Cancelled |
| Oct 17, 2025 12:06:09 AM |
ERCOT will execute a SASM at [0045] for operating day 10/17/2025 for 24 MW ECRS and 7.6 MW RRS for HE 19, and 24MW ECRS and 7.7MW RRS for HE 20
|
Operational Information |
Active |
| Oct 17, 2025 12:02:46 AM |
No sudden loss of generation greater than 450 MW occurred on October 16, 2025.
|
Operational Information |
Active |
| Oct 16, 2025 8:46:27 AM |
The Daily RSASM for 10/16/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 16, 2025 12:02:31 AM |
No sudden loss of generation greater than 450 MW occurred on October 15, 2025.
|
Operational Information |
Active |
| Oct 15, 2025 8:46:09 AM |
The Daily RSASM for 10/15/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 15, 2025 5:16:49 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [04:50] for operating day [10/15/2025] for:
RRS – 11.9 MW HE 12, 7.8 MW HE 13, 8.1 MW HE 14, 7.4 MW HE 15. 7.8 MW HE 16, 8.1 MW HE 17, 7.5 MW HE 18, 7.4 MW HE 19, 7.1 MW HE 20
ECRS – 24 MW HE 12 - 20
|
Operational Information |
Cancelled |
| Oct 15, 2025 4:16:58 AM |
ERCOT will execute a SASM at [04:50] for operating day [10/15/2025] for:
RRS – 11.9 MW HE 12, 7.8 MW HE 13, 8.1 MW HE 14, 7.4 MW HE 15. 7.8 MW HE 16, 8.1 MW HE 17, 7.5 MW HE 18, 7.4 MW HE 19, 7.1 MW HE 20
ECRS – 24 MW HE 12 - 20
|
Operational Information |
Active |
| Oct 15, 2025 12:06:20 AM |
No sudden loss of generation greater than 450 MW occurred on October 14, 2025.
|
Operational Information |
Active |
| Oct 14, 2025 3:24:37 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [15:10] for operating day [10/14/2025] for:
RRS – 1.2 MW HE 19
ECRS – 24 MW HE 19 - 20
|
Operational Information |
Cancelled |
| Oct 14, 2025 2:31:11 PM |
ERCOT will execute a SASM at [15:10] for operating day [10/14/2025] for:
RRS – 1.2 MW HE 19
ECRS – 24 MW HE 19 - 20
|
Operational Information |
Active |
| Oct 14, 2025 2:19:26 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [12:50] for operating day [10/14/2025] for:
RRS – 7.3 MW HE 19 - 20
ECRS – 24 MW HE 19 - 20
|
Operational Information |
Cancelled |
| Oct 14, 2025 12:11:45 PM |
ERCOT will execute a SASM at [12:50] for operating day [10/14/2025] for:
RRS – 7.3 MW HE 19 - 20
ECRS – 24 MW HE 19 - 20
|
Operational Information |
Active |
| Oct 14, 2025 8:47:43 AM |
The Daily RSASM for 10/14/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 14, 2025 12:04:17 AM |
No sudden loss of generation greater than 450 MW occurred on October 13, 2025.
|
Operational Information |
Active |
| Oct 13, 2025 2:36:10 PM |
Notification of Real-Time Market (RTM) prices under investigation. ERCOT is currently investigating Real-Time prices for SCED interval 08:20 on OD 10/12/2025. Should a price correction be warranted, a follow-up Market Notice will be issued with more details. The deadline for correcting prices before they become final is 10/14/2025 at 4PM for OD 10/12/2025.
|
Alert |
Active |
| Oct 13, 2025 8:50:19 AM |
The Daily RSASM for 10/13/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 13, 2025 8:10:04 AM |
The DC_R (Railroad) DC Tie will be unavailable from
10/13/2025 07:30 through 10/24/2025 16:00 due to a planned outage.
|
Operational Information |
Active |
| Oct 13, 2025 12:18:24 AM |
No sudden loss of generation greater than 450 MW occurred on October 12, 2025.
|
Operational Information |
Active |
| Oct 12, 2025 8:47:09 AM |
The Daily RSASM for 10/12/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 12, 2025 12:14:06 AM |
No sudden loss of generation greater than 450 MW occurred on October 11, 2025.
|
Operational Information |
Active |
| Oct 11, 2025 8:47:15 AM |
The Daily RSASM for 10/11/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 11, 2025 12:06:41 AM |
No sudden loss of generation greater than 450 MW occurred on October 10, 2025.
|
Operational Information |
Active |
| Oct 10, 2025 8:46:44 AM |
The Daily RSASM for 10/10/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 10, 2025 3:36:28 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor.
|
Operational Information |
Active |
| Oct 10, 2025 3:36:14 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 |
| Oct 10, 2025 12:00:41 AM |
No sudden loss of generation greater than 450 MW occurred on October 09, 2025.
|
Operational Information |
Active |
| Oct 9, 2025 8:33:49 PM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service due to a planned outage.
|
Operational Information |
Cancelled |
| Oct 9, 2025 3:45:25 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop.
|
Operational Information |
Active |
| Oct 9, 2025 8:47:07 AM |
The Daily RSASM for 10/09/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 9, 2025 5:33:02 AM |
The ESKOTA RAS has been taken out of service due to a planned outage.
|
Operational Information |
Active |
| Oct 9, 2025 12:00:43 AM |
No sudden loss of generation greater than 450 MW occurred on October 08, 2025.
|
Operational Information |
Active |
| Oct 8, 2025 7:32:04 PM |
ERCOT has cancelled the following notice: GCC ERCOT will execute a SASM at [18:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 22 – HE24
REGDN – 4.5 MW HE 22, 4.3 MW HE 23, 4.5 MW HE 24
[10/09/2025] for:
REGUP – 9 MW HE 1 – HE 24
REGDN – 4.5 MW HE 1, 4.8 MW HE 2, 4.5 MW HE 3, 4.8 MW HE 4, 4.5 MW HE 5, 4.8 MW HE 6, 4.5 MW HE 7, 4.8 MW HE 8, 4.5 MW HE 9, 4.8 MW HE 10, 4.5 MW HE 11, 4.8 MW HE 12, 4.5 MW HE 13, 4.8 MW HE 14, 4.5 MW HE 15, 4.8 MW HE 16, 4.5 MW HE 17, 4.8 MW HE 18, 4.5 MW HE 19, 4.8 MW HE 20, 4.5 MW HE 21, 4.8 MW HE 22, 4.5 MW HE 23, 4.8 MW HE 24
|
Operational Information |
Cancelled |
| Oct 8, 2025 6:14:35 PM |
GCC ERCOT will execute a SASM at [18:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 22 – HE24
REGDN – 4.5 MW HE 22, 4.3 MW HE 23, 4.5 MW HE 24
[10/09/2025] for:
REGUP – 9 MW HE 1 – HE 24
REGDN – 4.5 MW HE 1, 4.8 MW HE 2, 4.5 MW HE 3, 4.8 MW HE 4, 4.5 MW HE 5, 4.8 MW HE 6, 4.5 MW HE 7, 4.8 MW HE 8, 4.5 MW HE 9, 4.8 MW HE 10, 4.5 MW HE 11, 4.8 MW HE 12, 4.5 MW HE 13, 4.8 MW HE 14, 4.5 MW HE 15, 4.8 MW HE 16, 4.5 MW HE 17, 4.8 MW HE 18, 4.5 MW HE 19, 4.8 MW HE 20, 4.5 MW HE 21, 4.8 MW HE 22, 4.5 MW HE 23, 4.8 MW HE 24
|
Operational Information |
Active |
| Oct 8, 2025 10:25:19 AM |
Notification of Real-Time Market (RTM) prices under investigation. ERCOT is currently investigating Real-Time prices for settlement intervals 08:00 - 09:30, which were impacted by a SCED failure from 08:00 to 09:30. Should a price correction be warranted, a follow-up Market Notice will be issued with more details. The deadline for correcting prices before they become final is 10/10/2025 at 4PM for OD 10/08/2025.
|
Alert |
Active |
| Oct 8, 2025 8:53:51 AM |
ERCOT has cancelled the following notice: ERCOT has declared a Watch due to the failure of the SCED process, starting at 08:10
|
Watch |
Cancelled |
| Oct 8, 2025 8:46:14 AM |
The Daily RSASM for 10/08/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 8, 2025 8:45:20 AM |
ERCOT Emergency Base Points are Disabled
|
Operational Information |
Cancelled |
| Oct 8, 2025 8:12:21 AM |
ERCOT has declared a Watch due to the failure of the SCED process, starting at 08:10
|
Watch |
Active |
| Oct 8, 2025 8:07:24 AM |
ERCOT Emergency Base Points are Enabled
|
Operational Information |
Active |
| Oct 8, 2025 12:02:05 AM |
No sudden loss of generation greater than 450 MW occurred on October 07, 2025.
|
Operational Information |
Active |
| Oct 7, 2025 10:09:28 PM |
ERCOT has cancelled the following notice: Posted to GCC ERCOT will execute a SASM at [21:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 01 – HE 18
REGDN – 4.3 MW HE 1, 4.5 MW HE 2, 4.3 MW HE 3, 4.5 MW HE 4, 4.3 MW HE 5, 4.5 MW HE 6, 4.3 MW HE 7, 4.5 MW HE 8, 4.3 MW HE 9, 4.5 MW HE 10, 4.3 MW HE 11, 4.5 MW HE 12, 4.3 MW HE 13, 4.5 MW HE 14, 4.3 MW HE 15, 4.5 MW HE 16, 4.3 MW HE 17, 4.5 MW HE 18.
|
Operational Information |
Cancelled |
| Oct 7, 2025 9:18:39 PM |
Posted to GCC ERCOT will execute a SASM at [21:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 01 – HE 18
REGDN – 4.3 MW HE 1, 4.5 MW HE 2, 4.3 MW HE 3, 4.5 MW HE 4, 4.3 MW HE 5, 4.5 MW HE 6, 4.3 MW HE 7, 4.5 MW HE 8, 4.3 MW HE 9, 4.5 MW HE 10, 4.3 MW HE 11, 4.5 MW HE 12, 4.3 MW HE 13, 4.5 MW HE 14, 4.3 MW HE 15, 4.5 MW HE 16, 4.3 MW HE 17, 4.5 MW HE 18.
|
Operational Information |
Active |
| Oct 7, 2025 9:18:20 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [17:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 01 – HE 18
REGDN – 4.3 MW HE 1, 4.5 MW HE 2, 4.3 MW HE 3, 4.5 MW HE 4, 4.3 MW HE 5, 4.5 MW HE 6, 4.3 MW HE 7, 4.5 MW HE 8, 4.3 MW HE 9, 4.5 MW HE 10, 4.3 MW HE 11, 4.5 MW HE 12, 4.3 MW HE 13, 4.5 MW HE 14, 4.3 MW HE 15, 4.5 MW HE 16, 4.3 MW HE 17, 4.5 MW HE 18.
|
Operational Information |
Cancelled |
| Oct 7, 2025 9:14:07 PM |
ERCOT will execute a SASM at [17:50] for operating day [10/08/2025] for:
REGUP – 9 MW HE 01 – HE 18
REGDN – 4.3 MW HE 1, 4.5 MW HE 2, 4.3 MW HE 3, 4.5 MW HE 4, 4.3 MW HE 5, 4.5 MW HE 6, 4.3 MW HE 7, 4.5 MW HE 8, 4.3 MW HE 9, 4.5 MW HE 10, 4.3 MW HE 11, 4.5 MW HE 12, 4.3 MW HE 13, 4.5 MW HE 14, 4.3 MW HE 15, 4.5 MW HE 16, 4.3 MW HE 17, 4.5 MW HE 18.
|
Operational Information |
Active |
| Oct 7, 2025 6:26:09 PM |
ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service due to a forced outage.
|
Operational Information |
Cancelled |
| Oct 7, 2025 6:08:35 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [17:50] for operating day [10/07/2025] for:
REGUP – 9 MW HE 20 – HE 24
REGDN – 4.5 MW HE 20, 4.3 MW HE 21, 4.5 MW HE 22, 4.3 MW HE 23, 4.5 MW HE 24
|
Operational Information |
Cancelled |
| Oct 7, 2025 5:17:40 PM |
ERCOT will execute a SASM at [17:50] for operating day [10/07/2025] for:
REGUP – 9 MW HE 20 – HE 24
REGDN – 4.5 MW HE 20, 4.3 MW HE 21, 4.5 MW HE 22, 4.3 MW HE 23, 4.5 MW HE 24
|
Operational Information |
Active |
| Oct 7, 2025 1:51:03 PM |
The ESKOTA RAS has been taken out of service due to a forced outage.
|
Operational Information |
Active |
| Oct 7, 2025 10:57:52 AM |
Notification of Real-Time Market (RTM) prices under investigation. ERCOT is currently investigating Real-Time prices for settlement intervals 00:15 - 00:45, which were impacted by a SCED failure from 00:00 to 00:25. Should a price correction be warranted, a follow-up Market Notice will be issued with more details. The deadline for correcting prices before they become final is 10/09/2025 at 4PM for OD 10/07/2025.
|
Alert |
Active |
| Oct 7, 2025 8:47:37 AM |
The Daily RSASM for 10/07/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 7, 2025 12:35:33 AM |
ERCOT has cancelled the following notice: ERCOT has declared a Watch due to the failure of the SCED process, starting at 00:02
|
Watch |
Cancelled |
| Oct 7, 2025 12:32:14 AM |
ERCOT Emergency Base Points are Disabled
|
Operational Information |
Cancelled |
| Oct 7, 2025 12:09:54 AM |
ERCOT has declared a Watch due to the failure of the SCED process, starting at 00:02
|
Watch |
Active |
| Oct 7, 2025 12:02:22 AM |
ERCOT Emergency Base Points are Enabled
|
Operational Information |
Active |
| Oct 7, 2025 12:00:56 AM |
No sudden loss of generation greater than 450 MW occurred on October 06, 2025.
|
Operational Information |
Active |
| Oct 6, 2025 12:16:11 PM |
The DC_R (Railroad) DC Tie will be unavailable from
10/13/2025 07:30 through 10/24/2025 16:00 due to a planned outage.
|
Operational Information |
Active |
| Oct 6, 2025 8:46:18 AM |
The Daily RSASM for 10/06/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 6, 2025 12:02:12 AM |
No sudden loss of generation greater than 450 MW occurred on October 05, 2025.
|
Operational Information |
Active |
| Oct 5, 2025 8:46:06 AM |
The Daily RSASM for 10/05/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 5, 2025 12:03:45 AM |
No sudden loss of generation greater than 450 MW occurred on October 04, 2025.
|
Operational Information |
Active |
| Oct 4, 2025 8:45:57 AM |
The Daily RSASM for 10/04/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 4, 2025 12:02:19 AM |
No sudden loss of generation greater than 450 MW occurred on October 03, 2025.
|
Operational Information |
Active |
| Oct 3, 2025 8:46:24 AM |
The Daily RSASM for 10/03/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 3, 2025 12:08:21 AM |
No sudden loss of generation greater than 450 MW occurred on October 02, 2025.
|
Operational Information |
Active |
| Oct 2, 2025 11:22:47 AM |
At 3:30 PM on 10/02/2025, 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 |
| Oct 2, 2025 8:46:09 AM |
The Daily RSASM for 10/02/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 2, 2025 7:01:01 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Alert for a K-7 on 10/02/2025 at 00:59.
|
Operational Information |
Cancelled |
| Oct 2, 2025 7:00:08 AM |
ERCOT has cancelled the following notice: The Space Weather Prediction Center has issued a GMD Warning of K-7 or Greater until 10/02/2025 at 07:00.
|
Operational Information |
Cancelled |
| Oct 2, 2025 1:10:15 AM |
The Space Weather Prediction Center has issued a GMD Alert for a K-7 on 10/02/2025 at 00:59.
|
Operational Information |
Active |
| Oct 2, 2025 12:25:14 AM |
No sudden loss of generation greater than 450 MW occurred on October 01, 2025.
|
Operational Information |
Active |
| Oct 1, 2025 11:28:59 PM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or Greater until 10/02/2025 at 07:00.
|
Operational Information |
Active |
| Oct 1, 2025 8:50:44 AM |
The Daily RSASM for 10/01/2025 will not be occurring due to zero participating QSEs.
|
Operational Information |
Active |
| Oct 1, 2025 12:21:53 AM |
No sudden loss of generation greater than 450 MW occurred on September 30, 2025.
|
Operational Information |
Active |
