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.

    Sep 2017 Oct 2017 Nov 2017 Dec 2017 Jan 2018 Feb 2018
    Date Message Type Status
    Feb 18 2018 08:44:58 CST The Daily RSASM for Sunday, February 18, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Feb 18 2018 00:43:12 CST No sudden loss of generation greater than 450 MW occurred on February 17, 2018. Operational Information Active
    Feb 17 2018 08:47:37 CST The Daily RSASM for Saturday, February 17, 2018 will not be occurring due to zero participating QSEs Operational Information Active
    Feb 17 2018 01:04:49 CST No sudden loss of generation greater than 450 MW occurred on February 16, 2018. Operational Information Active
    Feb 16 2018 08:45:10 CST The Daily RSASM for Friday, February 16, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 16 2018 00:01:44 CST No sudden loss of generation greater than 450 MW occurred on February 15, 2018. Operational Information Active
    Feb 15 2018 15:20:05 CST Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of Feb 15, 2018 is available. Operational Instruction Active
    Feb 15 2018 08:45:38 CST The Daily RSASM for Thursday, February 15, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 15 2018 00:05:58 CST On February 14, 2018, a sudden loss of generation occurred at 06:30 totaling 784 MW. Frequency declined to 59.856 Hz, ERCOT load was 41, 455 MW. Operational Information Active
    Feb 14 2018 08:46:19 CST The Daily RSASM for Wednesday, February 14, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 14 2018 06:33:11 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Feb 14 2018 06:30:27 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Feb 14 2018 00:01:51 CST No sudden loss of generation greater than 450 MW occurred on February 13, 2018. Operational Information Active
    Feb 13 2018 08:47:01 CST The Daily RSASM for Tuesday, February 13, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 13 2018 00:06:22 CST No sudden loss of generation greater than 450 MW occurred on February 12, 2018. Operational Information Active
    Feb 12 2018 08:46:54 CST The Daily RSASM for Monday, February 12, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 12 2018 00:00:25 CST No sudden loss of generation greater than 450 MW occurred on February 11, 2018. Operational Information Active
    Feb 11 2018 08:47:56 CST The Daily RSASM for Sunday February 11, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 11 2018 00:43:54 CST No sudden loss of generation greater than 450 MW occurred on February 10, 2018. Operational Information Active
    Feb 10 2018 08:57:21 CST The Daily RSASM for Saturday February 10, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 10 2018 06:23:50 CST ERCOT is taking manual actions for an unsolved contingency. Operational Information Active
    Feb 10 2018 02:55:08 CST No sudden loss of generation greater than 450 MW occurred on February 09, 2018. Operational Information Active
    Feb 09 2018 08:53:19 CST The Daily RSASM for Friday February 9, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 09 2018 07:42:39 CST ERCOT has cancelled the following notice: ERCOT is taking manual actions for an unsolved contingency. Operational Information Cancelled
    Feb 09 2018 04:32:15 CST ERCOT has cancelled the following notice: ERCOT is working from alternate control center. Operational Information Cancelled
    Feb 09 2018 00:39:31 CST No sudden loss of generation greater than 450 MW occurred on February 08, 2018. Operational Information Active
    Feb 08 2018 22:33:30 CST ERCOT is taking manual actions for an unsolved contingency. Operational Information Active
    Feb 08 2018 17:03:09 CST Frequency Measurable Events: Report tracking Frequency Measurable Events (FMEs) as of Feb 08, 2018 is available. Operational Instruction Active
    Feb 08 2018 16:43:32 CST ERCOT is working from alternate control center. Operational Information Active
    Feb 08 2018 08:47:10 CST The Daily RSASM for Thursday February 8, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 08 2018 08:47:10 CST The Daily RSASM for Thursday February 8, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 08 2018 00:38:37 CST No sudden loss of generation greater than 450 MW occurred on February 07, 2018. Operational Information Active
    Feb 07 2018 08:46:20 CST The Daily RSASM for Wednesday February 7, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 07 2018 00:46:30 CST No sudden loss of generation greater than 450 MW occurred on February 06, 2018. Operational Information Active
    Feb 06 2018 18:21:19 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Feb 06 2018 18:19:47 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Feb 06 2018 08:46:18 CST The Daily RSASM for Tuesday February 6, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 06 2018 00:22:09 CST On February 5, 2018, a sudden loss of generation occurred at 14:04 totaling 815 MW. Frequency declined to 59.826 Hz, ERCOT load was 40, 657 MW. Operational Information Active
    Feb 05 2018 14:09:57 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Feb 05 2018 14:04:53 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Feb 05 2018 08:48:42 CST The Daily RSASM for Monday February 5, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 05 2018 03:05:57 CST No sudden loss of generation greater than 450 MW occurred on February 04, 2018 Operational Information Active
    Feb 04 2018 08:47:11 CST The Daily RSASM for Sunday February 4, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 04 2018 03:22:58 CST No sudden loss of generation greater than 450 MW occurred on February 03, 2018 Operational Information Active
    Feb 03 2018 08:46:27 CST The Daily RSASM for Saturday February 3, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 03 2018 01:16:01 CST No sudden loss of generation greater than 450 MW occurred on February 02, 2018 Operational Information Active
    Feb 02 2018 23:49:57 CST ERCOT Responsive Reserve Has Been Recalled Operational Information Cancelled
    Feb 02 2018 23:46:41 CST ERCOT Responsive Reserve Has Been Deployed Operational Information Active
    Feb 02 2018 08:47:13 CST The Daily RSASM for Friday February 2, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 02 2018 00:46:22 CST No sudden loss of generation greater than 450 MW occurred on February 01, 2018 Operational Information Active
    Feb 01 2018 08:47:26 CST The Daily RSASM for Thursday February 1, 2018 will not be occurring due to zero participating QSEs. Operational Information Active
    Feb 01 2018 01:03:58 CST No sudden loss of generation greater than 450 MW occurred on January 31, 2018 Operational Information Active