Public Notices

    This section contains public market notifications required by protocols as well as other market messages ERCOT may post for market transparency. Notices are categorized by types and can be filtered by selecting the desired category. ERCOT began archiving public notices November 3, 2011.

    Mar 2018 Apr 2018 May 2018 Jun 2018 Jul 2018 Aug 2018
    Date Message Type Status
    Apr 30 2018 08:47:18 CST The Daily RSASM for Monday April 30, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Apr 30 2018 07:59:32 CST The Barney Davis RAS has been taken out of service/removed from RTCA. Operational Information Active
    Apr 30 2018 00:38:09 CST No sudden loss of generation greater than 450 MW occurred on April 29, 2018 Operational Information Active
    Apr 29 2018 08:48:17 CST The Daily RSASM for Sunday April 29, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 28 2018 23:30:34 CST No sudden loss of generation greater than 450 MW occurred on April 28, 2018 Operational Information Active
    Apr 28 2018 09:51:15 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Apr 28 2018 09:50:19 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Apr 28 2018 08:48:13 CST The Daily RSASM for Saturday April 28, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 28 2018 04:34:21 CST No sudden loss of generation greater than 450 MW occurred on April 27, 2018 Operational Information Active
    Apr 27 2018 19:09:34 CST 18:51 The B_Davis RAS is back in service. Operational Information Active
    Apr 27 2018 08:51:24 CST The Daily RSASM for Friday April 27, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 27 2018 00:36:12 CST No sudden loss of generation greater than 450 MW occurred on April 26, 2018 Operational Information Active
    Apr 26 2018 09:12:15 CST DC Tie Outage: The North DC Tie will be unavailable from 09:23 04/16/2018 through 09:47 05/03/2018 due to a forced outage. Operational Information Active
    Apr 26 2018 08:47:13 CST The Daily RSASM for Thursday April 26, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 26 2018 00:38:06 CST No sudden loss of generation greater than 450 MW occurred on April 25, 2018 Operational Information Active
    Apr 25 2018 17:18:09 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2018-04-25 17:18:09, END_TIME: 2018-04-25 17:18:09, DURATION: 0 Hrs 0 Mins.; Market Message
    Apr 25 2018 12:11:13 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 140.0, BEGIN_TIME: 2018-04-25 12:11:13, END_TIME: 2018-04-25 22:00:00, DURATION: 9 Hrs 48 Mins.; Market Message
    Apr 25 2018 08:49:40 CST The Daily RSASM for Wednesday, April 25, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 25 2018 00:22:11 CST No sudden loss of generation greater than 450 MW occurred on April 24, 2018 Operational Information Active
    Apr 24 2018 08:49:24 CST The Daily RSASM for Tuesday, April 24, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 24 2018 00:05:15 CST No sudden loss of generation greater than 450 MW occurred on April 23, 2018 Operational Information Active
    Apr 24 2018 00:05:06 CST ERCOT has cancelled the following notice: At 08:45, ERCOT is issuing a Transmission Watch for the RAILROAD DC Tie. This may result in the curtailment of RAILROAD DC-Tie exports to CENACE. Operational Information Cancelled
    Apr 23 2018 08:59:24 CST The Daily RSASM for Monday, April 23, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 23 2018 08:52:02 CST At 08:45, ERCOT is issuing a Transmission Watch for the RAILROAD DC Tie. This may result in the curtailment of RAILROAD DC-Tie exports to CENACE. Operational Information Active
    Apr 23 2018 08:08:44 CST ERCOT has been notified that the RAILROAD DC Tie has been de-rated to 150 MW Import/Export until further notice. Operational Information Active
    Apr 23 2018 00:05:37 CST No sudden loss of generation greater than 450 MW occurred on April 22, 2018 Operational Information Active
    Apr 22 2018 08:46:20 CST The Daily RSASM for Sunday, April 22, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 22 2018 00:28:10 CST On 04/21/2018, a sudden loss of generation occurred at 17:11 totaling 1273MW. Frequency declined to 59.719Hz, Ercot load was 36480. Operational Information Active
    Apr 21 2018 17:15:14 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Apr 21 2018 17:11:34 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Apr 21 2018 08:46:28 CST The Daily RSASM for Saturday, April 21, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 21 2018 00:36:33 CST No sudden loss of generation greater than 450 MW occurred on April 20, 2018 Operational Information Active
    Apr 20 2018 14:57:29 CST ERCOT has cancelled the following notice: At 19:40 The Railroad DC Tie is back in service but de-rated to 150 mw's Operational Information Cancelled
    Apr 20 2018 08:46:43 CST The Daily RSASM for Friday, April 20, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 20 2018 00:08:46 CST No sudden loss of generation greater than 450 MW occurred on April 19, 2018 Operational Information Active
    Apr 19 2018 19:56:03 CST ERCOT has cancelled the following notice: Railroad DC Tie (DC_ROAD) will be unavailable Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance Operational Information Cancelled
    Apr 19 2018 19:55:21 CST At 19:40 The Railroad DC Tie is back in service but de-rated to 150 mw's Operational Information Active
    Apr 19 2018 19:52:37 CST ERCOT has cancelled the following notice: The Railroad DC Tie will be unavailable from 19:00 04/20/2018 through 08:00 04/24/2018 due to a planned outage. Operational Information Cancelled
    Apr 19 2018 18:57:15 CST Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of Apr 19, 2018 is available. Operational Instruction Active
    Apr 19 2018 15:50:01 CST DC Tie Outage: The Railroad DC Tie will be unavailable from 19:00 04/20/2018 through 08:00 04/24/2018 due to a planned outage. Operational Information Active
    Apr 19 2018 08:46:42 CST The Daily RSASM for Thursday, April 19, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 19 2018 05:38:32 CST The minimum monthly Ancillary Services for May 2018 quantities have been posted to the ERCOT Market Information System (MIS) under the Projected Ancillary Service Requirements link under the Medium-Term System Adequacy 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. https://mis.ercot.com/pps/tibco/mis/Pages/Grid+Information/Forecasts Operational Information Active
    Apr 19 2018 00:29:34 CST On 04/18/2018, a sudden loss of generation occurred at 10:20 totaling 481 MW. Frequency declined to 59.914 Hz, ERCOT load was 38, 143 MW. Operational Information Active
    Apr 18 2018 17:16:49 CST 16:59 The Laredo VFT is available for service. Operational Information Active
    Apr 18 2018 17:06:56 CST At 16:59 The Laredo DC Tie is back in service Operational Information Active
    Apr 18 2018 11:20:10 CST Notification of Market Price Correction: Market price correction for SCED. ERCOT has identified a need for price correction for Real-Time Market Settlement Intervals 10:45 and 11:30 on OD 04/17/2018 due to an Unannounced Constant Frequency Control test. Only EPS meters were impacted. There was no impact to Real-Time Settlement Point Prices. Corrections to the EPS meter price will be finished by 16:00 of 04/19/2018. Since ERCOT does not post price corrections for RTRMPRs, this price correction will be reflected on the settlement statement of the QSE who was impacted. Alert Active
    Apr 18 2018 08:47:31 CST The Daily RSASM for Wednesday April 18, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 18 2018 00:14:16 CST No sudden loss of generation greater than 450 MW occurred on April 17, 2018 Operational Information Active
    Apr 17 2018 11:22:25 CST ERCOT has cancelled the following notice: At 11:08 , ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. Operational Information Cancelled
    Apr 17 2018 11:22:20 CST ERCOT Emergency Base Points are Disabled Operational Information Cancelled
    Apr 17 2018 11:12:20 CST ERCOT Emergency Base Points are Enabled Operational Information Active
    Apr 17 2018 11:09:27 CST At 11:08 , ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. Operational Information Active
    Apr 17 2018 10:41:44 CST ERCOT Emergency Base Points are Disabled Operational Information Cancelled
    Apr 17 2018 10:41:43 CST ERCOT has cancelled the following notice: At 10:32 , ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. Operational Information Cancelled
    Apr 17 2018 10:37:20 CST ERCOT Emergency Base Points are Enabled Operational Information Active
    Apr 17 2018 10:34:40 CST At 10:32 , ERCOT is conducting an unannounced Constant Frequency Control test and has placed a QSE on Constant Frequency. Operational Information Active
    Apr 17 2018 08:48:37 CST he Daily RSASM for Tuesday April 17, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 17 2018 06:08:18 CST No sudden loss of generation greater than 450 MW occurred on April 16, 2018 Operational Information Active
    Apr 16 2018 11:07:39 CST ERCOT has cancelled the following notice: The North DC Tie will be unavailable from 09:23 04/16/2018 through 00:00 04/17/2018 due to a forced outage. Operational Information Cancelled
    Apr 16 2018 11:06:28 CST DC Tie Outage: The North DC Tie will be unavailable from 09:23 04/16/2018 through 00:00 05/02/2018 due to a forced outage. Operational Information Active
    Apr 16 2018 09:30:56 CST DC Tie Outage: The North DC Tie will be unavailable from 09:23 04/16/2018 through 00:00 04/17/2018 due to a forced outage. Operational Information Active
    Apr 16 2018 08:49:22 CST The Daily RSASM for Monday April 16, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 16 2018 02:07:33 CST No sudden loss of generation greater than 450 MW occurred on April 15, 2018 Operational Information Active
    Apr 16 2018 02:07:13 CST No sudden loss of generation greater than 450 MW occurred on April 15, 2018 Operational Information Active
    Apr 15 2018 08:47:37 CST The Daily RSASM for Sunday April 15, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 15 2018 03:25:01 CST No sudden loss of generation greater than 450 MW occurred on April 14, 2018 Operational Information Active
    Apr 15 2018 03:22:41 CST No sudden loss of generation greater than 450 MW occurred on April 14, 2018 Operational Information Active
    Apr 15 2018 01:14:16 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Apr 15 2018 01:11:32 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Apr 14 2018 18:09:43 CST Railroad DC Tie (DC_ROAD) will be unavailable Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance Operational Information Active
    Apr 14 2018 18:09:34 CST Railroad DC Tie (DC_ROAD) will be unavailable Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance Operational Information Active
    Apr 14 2018 08:48:23 CST The Daily RSASM for Saturday April 14, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 14 2018 00:09:07 CST No sudden loss of generation greater than 450 MW occurred on April 13, 2018 Operational Information Active
    Apr 13 2018 11:09:09 CST ERCOT has cancelled the following notice: EAST DC Tie (DC_E) will be unavailable Monday 04/09/18 at 08:00 until Friday 04/13/18 at 15:00, for annual maintenance.  Operational Information Cancelled
    Apr 13 2018 08:48:07 CST The Daily RSASM for Friday, April 13, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 13 2018 04:42:26 CST 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
    Apr 13 2018 04:42:07 CST ERCOT will be working from the Primary control center until further notice, use the OPX numbers for Taylor. Operational Information Active
    Apr 13 2018 00:04:04 CST No sudden loss of generation greater than 450 MW occurred on April 12, 2018 Operational Information Active
    Apr 12 2018 23:59:01 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2018-04-12 23:59:01, END_TIME: 2018-04-12 23:59:01, DURATION: 0 Hrs 0 Mins. ; Market Message
    Apr 12 2018 22:00:39 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 66.0, BEGIN_TIME: 2018-04-12 22:00:39, END_TIME: 2018-04-12 23:59:00, DURATION: 1 Hrs 58 Mins.; Market Message
    Apr 12 2018 20:04:52 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 203.0, BEGIN_TIME: 2018-04-12 20:04:51, END_TIME: 2018-04-12 23:59:00, DURATION: 3 Hrs 54 Mins.; Market Message
    Apr 12 2018 19:44:57 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 18:10 for operating day 04/12/2018 HE 20-24 for REGUP 2 MW and REGDN 1.3 MW . Operational Information Cancelled
    Apr 12 2018 17:37:50 CST ERCOT will execute a SASM at 18:10 for operating day 04/12/2018 HE 20-24 for REGUP 2 MW and REGDN 1.3 MW . Operational Information Active
    Apr 12 2018 16:52:41 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 138.0, BEGIN_TIME: 2018-04-12 17:00:00, END_TIME: 2018-04-12 22:00:00, DURATION: 5 Hrs 0 Mins.; Market Message
    Apr 12 2018 16:38:30 CST ERCOT will be working from the alternate control center until further notice, use the OPX numbers for Bastrop. Operational Information Active
    Apr 12 2018 13:25:17 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 138.0, BEGIN_TIME: 2018-04-12 13:25:17, END_TIME: 2018-04-12 20:00:00, DURATION: 6 Hrs 34 Mins.; Market Message
    Apr 12 2018 10:41:22 CST ERCOT has cancelled the following notice: The DC_S DC Tie will be unavailable from 06:38 04/12/2018 through 23:59 04/12/2018 due to a forced outage. Operational Information Cancelled
    Apr 12 2018 10:38:15 CST ERCOT has cancelled the following notice: At 0638, ERCOT is issuing a Transmission Watch for the Eagle Pass DC_s due to a trip. Operational Information Cancelled
    Apr 12 2018 08:48:44 CST The Daily RSASM for Thursday, April 12, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 12 2018 06:49:58 CST DC Tie Outage: The DC_S DC Tie will be unavailable from 06:38 04/12/2018 through 23:59 04/12/2018 due to a forced outage. Operational Information Active
    Apr 12 2018 06:43:40 CST At 0638, ERCOT is issuing a Transmission Watch for the Eagle Pass DC_s due to a trip. Operational Information Active
    Apr 12 2018 00:00:56 CST No sudden loss of generation greater than 450 MW occurred on April 11, 2018 Operational Information Active
    Apr 11 2018 23:59:02 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 0.0, BEGIN_TIME: 2018-04-11 23:59:02, END_TIME: 2018-04-11 23:59:02, DURATION: 0 Hrs 0 Mins. ; Market Message
    Apr 11 2018 15:16:56 CST CM-ASM-NOTF AS_TYPE: Non-Spin, DEPLOY_MW: 49.6, BEGIN_TIME: 2018-04-11 15:16:56, END_TIME: 2018-04-11 23:59:00, DURATION: 8 Hrs 42 Mins.; Market Message
    Apr 11 2018 08:46:25 CST The Daily RSASM for Wednesday, April 11, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 11 2018 01:16:57 CST No sudden loss of generation greater than 450 MW occurred on April 10, 2018 Operational Information Active
    Apr 10 2018 12:35:38 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 12:00 04/16/2018 through 16:00 04/16/2018 due to a planned outage. Operational Information Cancelled
    Apr 10 2018 12:35:33 CST ERCOT has cancelled the following notice: The Eagle Pass DC Tie will be unavailable from 12:00 04/16/2018 through 16:00 04/16/2018 due to a planned outage. Operational Information Cancelled
    Apr 10 2018 08:46:55 CST The Daily RSASM for Tuesday, April 10, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 10 2018 04:48:16 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 12:00 04/16/2018 through 16:00 04/16/2018 due to a planned outage. Operational Information Active
    Apr 10 2018 04:48:11 CST DC Tie Outage: The Eagle Pass DC Tie will be unavailable from 12:00 04/16/2018 through 16:00 04/16/2018 due to a planned outage. Operational Information Active
    Apr 10 2018 01:05:52 CST No sudden loss of generation greater than 450 MW occurred on April 9, 2018 Operational Information Active
    Apr 09 2018 08:47:40 CST The Daily RSASM for Monday, April 9, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 09 2018 00:00:36 CST No sudden loss of generation greater than 450 MW occurred on April 8, 2018 Operational Information Active
    Apr 08 2018 08:49:04 CST The Daily RSASM for Sunday, April 08, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 08 2018 07:25:25 CST EAST DC Tie (DC_E) will be unavailable Monday 04/09/18 at 08:00 until Friday 04/13/18 at 15:00, for annual maintenance.  Operational Information Active
    Apr 08 2018 02:27:04 CST No sudden loss of generation greater than 450 MW occurred on April 7, 2018 Operational Information Active
    Apr 07 2018 08:47:58 CST The Daily RSASM for Saturday April 7, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 07 2018 00:01:43 CST No sudden loss of generation greater than 450 MW occurred on April 6, 2018 Operational Information Active
    Apr 06 2018 11:59:40 CST Laredo DC Tie (LARDVFT) will be unavailable Monday 04/09/18 at 09:00 until Friday 04/20/18 at 16:30, for annual maintenance. Operational Information Active
    Apr 06 2018 11:58:45 CST ERCOT has cancelled the following notice: Laredo DC Tie (LARDVFT) will be unavailable Monday 04/09/18 at 09:00 until Friday 04/13/18 at 16:00, for annual maintenance. Operational Information Cancelled
    Apr 06 2018 08:46:32 CST The Daily RSASM for Friday, April 6, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 06 2018 04:33:23 CST ERCOT has cancelled the following notice: No sudden loss of generation greater than 450 MW occurred on April 5, 2018 Operational Information Cancelled
    Apr 06 2018 04:33:17 CST ERCOT has cancelled the following notice: No sudden loss of generation greater than 450 MW occurred on April 5, 2018 Operational Information Cancelled
    Apr 06 2018 01:14:46 CST No sudden loss of generation greater than 450 MW occurred on April 5, 2018 Operational Information Active
    Apr 06 2018 01:14:41 CST No sudden loss of generation greater than 450 MW occurred on April 5, 2018 Operational Information Active
    Apr 05 2018 16:48:48 CST Laredo DC Tie (LARDVFT) will be unavailable Monday 04/09/18 at 09:00 until Friday 04/13/18 at 16:00, for annual maintenance. Operational Information Active
    Apr 05 2018 11:31:23 CST Railroad DC Tie (DC_ROAD) will be unavailable Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance. Operational Information Active
    Apr 05 2018 11:27:43 CST ERCOT has cancelled the following notice: Railroad DC Tie (DC_ROAD) will be de-rated to 150MW Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance. Operational Information Cancelled
    Apr 05 2018 11:27:37 CST ERCOT has cancelled the following notice: Railroad DC Tie (DC_ROAD) will be de-rated to 150MW Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance. Operational Information Cancelled
    Apr 05 2018 08:47:02 CST The Daily RSASM for Thursday, April 5, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 05 2018 03:09:38 CST No sudden loss of generation greater than 450 MW occurred on April 4, 2018. Operational Information Active
    Apr 05 2018 03:03:18 CST ERCOT has cancelled the following notice: ERCOT will execute a SASM at 02:15 for operating day 4/5/18 for HE 04-12 for Reg-Up 2 MW, Reg-Down 0.8 MW. Operational Information Cancelled
    Apr 05 2018 03:01:30 CST No sudden loss of generation greater than 450 MW occurred on April 4, 2018. Operational Information Active
    Apr 05 2018 01:44:02 CST ERCOT will execute a SASM at 02:15 for operating day 4/5/18 for HE 04-12 for Reg-Up 2 MW, Reg-Down 0.8 MW. Operational Information Active
    Apr 04 2018 16:34:13 CST ERCOT Emergency Base Points are Disabled Operational Information Cancelled
    Apr 04 2018 16:32:33 CST ERCOT Emergency Base Points are Enabled Operational Information Active
    Apr 04 2018 08:47:08 CST The Daily RSASM for Wednesday, April 4, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 04 2018 02:32:03 CST No sudden loss of generation greater than 450 MW occurred on April 3, 2018. Operational Information Active
    Apr 03 2018 09:59:45 CST Railroad DC Tie (DC_ROAD) will be de-rated to 150MW Monday 04/09/18 at 07:00 until Friday 04/20/18 at 19:00, for annual maintenance. Operational Information Active
    Apr 03 2018 08:46:51 CST The Daily RSASM for Tuesday, April 3, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 03 2018 02:30:31 CST No sudden loss of generation greater than 450 MW occurred on April 2, 2018. Operational Information Active
    Apr 02 2018 16:45:13 CST At 1620 ERCOT site failover of Energy Market Management Systems in complete. Operational Information Active
    Apr 02 2018 16:28:52 CST ERCOT has cancelled the following notice: Railroad DC Tie (DC_ROAD) will be de-rated to 150MW Monday 04/02/18 at 07:00 until Friday 04/06/18 at 19:00. Operational Information Cancelled
    Apr 02 2018 10:40:57 CST At 3:25 PM on 04/02/2018, 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
    Apr 02 2018 08:47:24 CST The Daily RSASM for Monday, April 2, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Apr 02 2018 07:15:04 CST The B_DAVIS RAS has been taken out of service. Operational Information Active
    Apr 02 2018 00:13:57 CST No sudden loss of generation greater than 450 MW occurred on April 1, 2018. Operational Information Active
    Apr 01 2018 08:45:42 CST The Daily RSASM for Sunday, April 1, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Apr 01 2018 00:10:47 CST No sudden loss of generation greater than 450 MW occurred on March 31, 2018. Operational Information Active