| Sep 12, 2024 10:03:10 AM |
Advisory issued for a geomagnetic disturbance of K-7 until September 12, 2024. 1600. |
Advisory |
Active |
| Sep 12, 2024 9:36:00 AM |
At 3:25 PM on 09/12/2024, 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 |
| Sep 12, 2024 8:46:02 AM |
The Daily RSASM for 09/12/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 12, 2024 8:44:58 AM |
The Space Weather Prediction Center has issued a GMD Warning of K-7 or greater until September 12, 2024, 1600. |
Operational Information |
Active |
| Sep 12, 2024 12:06:13 AM |
No sudden loss of generation greater than 450 MW occurred on September 11, 2024. |
Operational Information |
Active |
| Sep 11, 2024 5:00:33 PM |
ERCOT has cancelled the following notice: At 11:00, ERCOT is issuing an Advisory for Tropical Storm Francine in the Gulf of Mexico which has a potential impact to the ERCOT Region from Monday, September 9, 2024, through Wednesday, September 11, 2024. |
Advisory |
Cancelled |
| Sep 11, 2024 5:00:19 PM |
ERCOT has cancelled the following notice: At 20:30, ERCOT is issuing an OCN for Potential Tropical Cyclone Six expected to increase into Tropical Storm Francine and potentially impact or making landfall in the ERCOT Region as early as Monday, September 9, 2024. |
Operational Information |
Cancelled |
| Sep 11, 2024 8:46:52 AM |
The Daily RSASM for 09/11/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 11, 2024 12:09:13 AM |
No sudden loss of generation greater than 450 MW occurred on September 10, 2024. |
Operational Information |
Active |
| Sep 10, 2024 11:00:01 AM |
ERCOT has cancelled the following notice: The DC_E (East) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load. |
DC Tie Curtailment Notice |
Cancelled |
| Sep 10, 2024 10:16:27 AM |
The DC_E (East) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to
one or more transmission security violations that would be fully or partially resolved by the curtailment of DC Tie Load. |
DC Tie Curtailment Notice |
Active |
| Sep 10, 2024 8:46:41 AM |
The Daily RSASM for 09/10/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 10, 2024 12:06:49 AM |
No sudden loss of generation greater than 450 MW occurred on September 9, 2024. |
Operational Information |
Active |
| Sep 9, 2024 2:25:35 PM |
Notification of Prices Under Investigation. ERCOT has discovered a potential issue with values being used in the Energy Management System (EMS) that may have impacted Real-Time Market Prices on Operating Date (OD) 09/05/2024 interval 08:35. ERCOT is investigating the potential impact to Real-Time Market prices for this event as well as previous operating days. A follow-up Market Notice will be issued once ERCOT has more information. If a price correction is needed for OD 09/05/2024, the posting deadline is 16:00 on 09/09/2024. |
Alert |
Active |
| Sep 9, 2024 11:00:01 AM |
At 11:00, ERCOT is issuing an Advisory for Tropical Storm Francine in the Gulf of Mexico which has a potential impact to the ERCOT Region from Monday, September 9, 2024, through Wednesday, September 11, 2024. |
Advisory |
Active |
| Sep 9, 2024 8:46:33 AM |
The Daily RSASM for 09/09/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 9, 2024 12:00:29 AM |
No sudden loss of generation greater than 450 MW occurred on September 8, 2024. |
Operational Information |
Active |
| Sep 8, 2024 8:31:54 PM |
At 20:30, ERCOT is issuing an OCN for Potential Tropical Cyclone Six expected to increase into Tropical Storm Francine and potentially impact or making landfall in the ERCOT Region as early as Monday, September 9, 2024. |
Operational Information |
Active |
| Sep 8, 2024 8:46:33 AM |
The Daily RSASM for 09/08/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 8, 2024 12:01:14 AM |
No sudden loss of generation greater than 450 MW occurred on September 7, 2024. |
Operational Information |
Active |
| Sep 7, 2024 11:55:22 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [1145] for operating day 09/07/2024 for 3MW RRS for HE 14-24. |
Operational Information |
Cancelled |
| Sep 7, 2024 11:06:12 AM |
ERCOT will execute a SASM at [1145] for operating day 09/07/2024 for 3MW RRS for HE 14-24. |
Operational Information |
Active |
| Sep 7, 2024 8:46:38 AM |
The Daily RSASM for 09/07/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 7, 2024 7:11:51 AM |
The DC_L (Laredo VFT) DC Tie will be unavailable from
09/09/2024 07:00 through 09/13/2024 17:00 due to a planned outage. |
Operational Information |
Active |
| Sep 7, 2024 12:01:02 AM |
No sudden loss of generation greater than 450 MW occurred on September 6, 2024. |
Operational Information |
Active |
| Sep 6, 2024 5:27:44 PM |
ERCOT has cancelled the following notice: The DC_N (North) DC Tie will be unavailable from
09/03/2024 08:00 through 09/07/2024 17:00 due to a planned outage. |
Operational Information |
Cancelled |
| Sep 6, 2024 2:02:54 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at [1350] for operating day 09/06/2024 for 25MW RRS for HE 16-18, 15.2MW RRS for HE 19, 24.8MW RRS for HE20, 22.9MW RRS for HE21-22, 24.6MW RRS for HE23, and 24.4MW RRS for HE24
|
Operational Information |
Cancelled |
| Sep 6, 2024 1:17:44 PM |
ERCOT will execute a SASM at [1350] for operating day 09/06/2024 for 25MW RRS for HE 16-18, 15.2MW RRS for HE 19, 24.8MW RRS for HE20, 22.9MW RRS for HE21-22, 24.6MW RRS for HE23, and 24.4MW RRS for HE24
|
Operational Information |
Active |
| Sep 6, 2024 8:45:53 AM |
The Daily RSASM for 09/06/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 6, 2024 3:59:49 AM |
ERCOT will be working from the primary control center until further notice, use the OPX numbers for Taylor. |
Operational Information |
Active |
| Sep 6, 2024 3:59:27 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 |
| Sep 6, 2024 12:05:21 AM |
No sudden loss of generation greater than 450 MW occurred on September 5, 2024. |
Operational Information |
Active |
| Sep 5, 2024 3:58:14 PM |
ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. |
Operational Information |
Active |
| Sep 5, 2024 8:45:41 AM |
The Daily RSASM for 09/05/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 5, 2024 3:04:29 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 02:50 for operating day 09/05/2024 for 3.5 MW ECRS HE 8-15 and 3.7 MW ECRS HE 16-24. |
Operational Information |
Cancelled |
| Sep 5, 2024 2:14:02 AM |
ERCOT will execute a SASM at 02:50 for operating day 09/05/2024 for 3.5 MW ECRS HE 8-15 and 3.7 MW ECRS HE 16-24. |
Operational Information |
Active |
| Sep 5, 2024 12:07:10 AM |
No sudden loss of generation greater than 450 MW occurred on September 4, 2024. |
Operational Information |
Active |
| Sep 4, 2024 7:18:36 PM |
ERCOT has cancelled the following notice: ERCOT is taking manual action for a BASECASE contingency in the southern ERCOT region. |
Operational Information |
Cancelled |
| Sep 4, 2024 3:35:03 PM |
ERCOT is taking manual action for a BASECASE contingency in the southern ERCOT region. |
Operational Information |
Active |
| Sep 4, 2024 8:45:09 AM |
The Daily RSASM for 09/04/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 4, 2024 12:05:29 AM |
No sudden loss of generation greater than 450 MW occurred on September 3, 2024. |
Operational Information |
Active |
| Sep 3, 2024 5:14:44 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 16:50 for operating day 09/03/2024 for 96 MW ECRS HE 20-23, 44.7 MW ECRS HE 24, 30 MW RegDN HE 20, 20 MW RegDN HE 21-22, 42 MW RRS HE 22, and 64 MW RRS HE 23-24. |
Operational Information |
Cancelled |
| Sep 3, 2024 4:14:20 PM |
ERCOT will execute a SASM at 16:50 for operating day 09/03/2024 for 96 MW ECRS HE 20-23, 44.7 MW ECRS HE 24, 30 MW RegDN HE 20, 20 MW RegDN HE 21-22, 42 MW RRS HE 22, and 64 MW RRS HE 23-24. |
Operational Information |
Active |
| Sep 3, 2024 3:16:07 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 14:45 for operating day 09/03/24 this is for ECRS HE17 to HE18 89.4 MWs each hour and for RRS 10.6 MWs each hour. Also REGDOWN HE17 64.3 MWs. |
Operational Information |
Cancelled |
| Sep 3, 2024 2:18:14 PM |
ERCOT will execute a SASM at 14:45 for operating day 09/03/24 this is for ECRS HE17 to HE18 89.4 MWs each hour and for RRS 10.6 MWs each hour. Also REGDOWN HE17 64.3 MWs. |
Operational Information |
Active |
| Sep 3, 2024 10:09:00 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 9:45 for operating day 09/03/24 this is for ECRS HE12 to HE17 96 MWs each hour and for RRS HE12 10 MWS, HE13 10 MWs, HE14 4.2 MWs and for REGUP HE13 54 MWs, HE14 to HE16 24 MWs, HE17 40 MWs, HE19 54 MWs. |
Operational Information |
Cancelled |
| Sep 3, 2024 9:22:53 AM |
ERCOT will execute a SASM at 9:45 for operating day 09/03/24 this is for ECRS HE12 to HE17 96 MWs each hour and for RRS HE12 10 MWS, HE13 10 MWs, HE14 4.2 MWs and for REGUP HE13 54 MWs, HE14 to HE16 24 MWs, HE17 40 MWs, HE19 54 MWs. |
Operational Information |
Active |
| Sep 3, 2024 8:45:21 AM |
The Daily RSASM for 09/03/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 3, 2024 2:23:17 AM |
The DC_N (North) DC Tie will be unavailable from
09/03/2024 08:00 through 09/07/2024 17:00 due to a planned outage. |
Operational Information |
Active |
| Sep 3, 2024 12:06:45 AM |
No sudden loss of generation greater than 450 MW occurred on September 2, 2024. |
Operational Information |
Active |
| Sep 2, 2024 5:10:54 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 16:50 for operating day 09/02/2024 for 96 MW ECRS HE 19-24, 38 MW RegDN HE 20, 50 MW RegDN HE 21, 60 MW RegDN HE 22, 54 MW RegUP HE 19, 26 MW RegUP HE 20, 26 MW RRS HE 21, 42 MW RRS HE 22, and 64 MW RRS HE 23-24. |
Operational Information |
Cancelled |
| Sep 2, 2024 4:14:52 PM |
ERCOT will execute a SASM at 16:50 for operating day 09/02/2024 for 96 MW ECRS HE 19-24, 38 MW RegDN HE 20, 50 MW RegDN HE 21, 60 MW RegDN HE 22, 54 MW RegUP HE 19, 26 MW RegUP HE 20, 26 MW RRS HE 21, 42 MW RRS HE 22, and 64 MW RRS HE 23-24. |
Operational Information |
Active |
| Sep 2, 2024 3:06:23 PM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 14:45 for operating day 09/02/24 this is for RRS HE 17 and HE 18 13 MWs each hour. |
Operational Information |
Cancelled |
| Sep 2, 2024 2:26:19 PM |
ERCOT will execute a SASM at 14:45 for operating day 09/02/24 this is for RRS HE 17 and HE 18 13 MWs each hour. |
Operational Information |
Active |
| Sep 2, 2024 11:09:42 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 10:45 for operating day 09/02/24 this is for HE 13 - ECRS 96 MWs, REGUP 54 MWs, RRS 10 MWs. HE 14 - ECRS 96 MWs, REGUP 24 MWs, RRS 40 MWs. HE 15 - ECRS 96 MWs, REGUP 16 MWs, REGDOWN 40 MWs. HE 16 – ECRS 96 MWs, REGUP 48 MWs. HE 17 – ECRS 96 MWs, REGUP 34 MWs, REGDOWN 16.8 MWs. |
Operational Information |
Cancelled |
| Sep 2, 2024 10:21:40 AM |
ERCOT will execute a SASM at 10:45 for operating day 09/02/24 this is for HE 13 - ECRS 96 MWs, REGUP 54 MWs, RRS 10 MWs. HE 14 - ECRS 96 MWs, REGUP 24 MWs, RRS 40 MWs. HE 15 - ECRS 96 MWs, REGUP 16 MWs, REGDOWN 40 MWs. HE 16 – ECRS 96 MWs, REGUP 48 MWs. HE 17 – ECRS 96 MWs, REGUP 34 MWs, REGDOWN 16.8 MWs. |
Operational Information |
Active |
| Sep 2, 2024 8:45:07 AM |
The Daily RSASM for 09/02/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 2, 2024 8:06:37 AM |
ERCOT has cancelled the following notice: ERCOT will execute a SASM at 07:45 for operating day 09/02/24 this is for RRS for HE10 and HE11- 64 MWs per hour and ECRS for HE11- 96 MWs. |
Operational Information |
Cancelled |
| Sep 2, 2024 7:20:09 AM |
ERCOT will execute a SASM at 07:45 for operating day 09/02/24 this is for RRS for HE10 and HE11- 64 MWs per hour and ECRS for HE11- 96 MWs. |
Operational Information |
Active |
| Sep 2, 2024 12:04:21 AM |
No sudden loss of generation greater than 450 MW occurred on September 1, 2024. |
Operational Information |
Active |
| Sep 1, 2024 11:08:12 AM |
ERCOT has cancelled the following notice: ERCOT will be performing a SASM at 0950 for ECRS 44 MW HE 12, 12.7 MW HE 15, 37.7 MW HE 16, 30 MW HE 17 – 18. For REGUP 30 MW HE 12, 9.8 MW HE 19. For RRS 16 MW HE 12, 7.3 MW HE 15. |
Operational Information |
Cancelled |
| Sep 1, 2024 9:12:42 AM |
ERCOT will be performing a SASM at 0950 for ECRS 44 MW HE 12, 12.7 MW HE 15, 37.7 MW HE 16, 30 MW HE 17 – 18. For REGUP 30 MW HE 12, 9.8 MW HE 19. For RRS 16 MW HE 12, 7.3 MW HE 15. |
Operational Information |
Active |
| Sep 1, 2024 8:53:55 AM |
The Daily RSASM for 09/01/2024 will not be occurring due to zero participating QSEs. |
Operational Information |
Active |
| Sep 1, 2024 12:05:38 AM |
No sudden loss of generation greater than 450 MW occurred on August 31, 2024. |
Operational Information |
Active |
