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.

    Aug 2018 Sep 2018 Oct 2018 Nov 2018 Dec 2018 Jan 2019
    Date Message Type Status
    Jan 11 2019 08:48:55 CST The Daily RSASM for Friday January 11, 2019 will not be occurring due to zero participating QSEs Operational Information Active
    Jan 11 2019 07:51:52 CST ERCOT is working from primary Control Center. Operational Information Active
    Jan 11 2019 00:03:21 CST No sudden loss of generation greater than 450 MW occurred on January 10, 2019 Operational Information Active
    Jan 10 2019 16:22:10 CST ERCOT is working from alternate Control Center. Operational Information Active
    Jan 10 2019 08:47:18 CST The Daily RSASM for Thursday January 10, 2019 will not be occurring due to zero participating QSEs Operational Information Active
    Jan 10 2019 00:07:22 CST No sudden loss of generation greater than 450 MW occurred on January 09, 2019 Operational Information Active
    Jan 09 2019 08:45:23 CST The Daily RSASM for Wednesday January 9, 2019 will not be occurring due to zero participating QSEs Operational Information Active
    Jan 09 2019 00:15:28 CST No sudden loss of generation greater than 450 MW occurred on January 08, 2019 Operational Information Active
    Jan 08 2019 08:45:21 CST The Daily RSASM for Tuesday January 8, 2019 will not be occurring due to zero participating QSEs Operational Information Active
    Jan 08 2019 00:25:55 CST No sudden loss of generation greater than 450 MW occurred on January 07, 2019 Operational Information Active
    Jan 07 2019 14:13:05 CST Notification of Market Price Correction: Market price correction for SCED. ERCOT has identified a need to perform price correction for SCED Intervals 0:05:25 and 0:10:12 on OD 1/4/2019, which covers Real-Time Market 15-min Settlement Intervals from Interval Ending 0:15 to Interval Ending 0:30. The incorrect prices were caused by an input data error. The maximum Settlement Point Price impact is expected to be $2.09/MWh. Complete price correction data will be posted on the Market Information System as soon as possible but no later than 4 P.M. of 1/8/2019, Tuesday. Alert Active
    Jan 07 2019 08:45:22 CST The Daily RSASM for Monday January 7, 2019 will not be occurring due to zero participating QSEs Operational Information Active
    Jan 07 2019 00:03:12 CST No sudden loss of generation greater than 450 MW occurred on January 06, 2019 Operational Information Active
    Jan 06 2019 08:47:03 CST The Daily RSASM for Sunday January 6, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 06 2019 01:26:11 CST No sudden loss of generation greater than 450 MW occurred on January 05, 2019 Operational Information Active
    Jan 05 2019 08:47:21 CST The Daily RSASM for Saturday January 5, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 05 2019 00:04:06 CST No sudden loss of generation greater than 450 MW occurred on January 04, 2019 Operational Information Active
    Jan 04 2019 09:25:28 CST ERCOT has cancelled the following notice: ERCOT is using constraint SSONFRI8 to pre-posture for a planned outage. Operational Information Active
    Jan 04 2019 08:47:07 CST The Daily RSASM for Friday January 4, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 04 2019 08:35:57 CST ERCOT is using constraint SSONFRI8 to pre-posture for a planned outage. Operational Information Active
    Jan 04 2019 01:40:06 CST ERCOT has cancelled the following notice: At 23:56 ERCOT will perform a database load on its Energy Market Management Systems. During this time, SCED Base Points will reflect accurate dispatch instructions. In the event ICCP is temporarily suspended, all systems should re-establish automatically within a few minutes. Operational Information Cancelled
    Jan 04 2019 01:39:50 CST No sudden loss of generation greater than 450 MW occurred on January 03, 2019 Operational Information Active
    Jan 03 2019 23:39:39 CST At 23:56 ERCOT will perform a database load on its Energy Market Management Systems. During this time, SCED Base Points will reflect accurate dispatch instructions. In the event ICCP is temporarily suspended, all systems should re-establish automatically within a few minutes. Operational Information Active
    Jan 03 2019 14:58:59 CST At 15:00 ERCOT is cancelling the OCN issued 12/30/2018 for a potential extreme cold weather system with the possibility of frozen precipitation approaching the ERCOT region from 01/02/19 – 01/03/19. Operational Information Active
    Jan 03 2019 08:48:00 CST The Daily RSASM for Thursday January 3, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 03 2019 00:54:01 CST On 01/02/2019 a sudden loss of generation occurred at 11:25 totaling 518 MW. Frequency declined to 59.912 Hz, ERCOT load was 51, 312 MW. Operational Information Active
    Jan 02 2019 08:46:35 CST The Daily RSASM for Wednesday, January 2, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 02 2019 00:01:06 CST No sudden loss of generation greater than 450 MW occurred on January 01, 2019 Operational Information Active
    Jan 01 2019 08:47:32 CST The Daily RSASM for Tuesday, January 1, 2019 will not be occurring due to zero participating QSEs. Operational Information Active
    Jan 01 2019 00:26:25 CST No sudden loss of generation greater than 450 MW occurred on December 31, 2018 Operational Information Active