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Public Notices

This section contains public market notifications required by protocols as well as other market messages ERCOT may post for market transparency. ERCOT began archiving public notices November 3, 2011.

Aug 2025 Sep 2025 Oct 2025 Nov 2025 Dec 2025 Jan 2026
Date & Time Notice Type Status
Jan 9, 2026 3:52:30 PM ERCOT has cancelled the following notice: ERCOT has been notified the DC_R Railroad tie has been derated to 145MW Import/Export due to Capacitor issues until further notice. Operational Information Cancelled
Jan 9, 2026 3:51:54 PM ERCOT has cancelled the following notice: ERCOT has been notified that the Railroad DC Tie has been derated to 173 MW Import/Export due to maintenance until further notice. Operational Information Cancelled
Jan 9, 2026 3:23:54 PM ERCOT has been notified that the Railroad DC Tie has been derated to 150 MW Import/Export due to maintenance until further notice Operational Information Active
Jan 9, 2026 3:22:42 PM ERCOT has cancelled the following notice: The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage DC Tie Curtailment Notice Cancelled
Jan 9, 2026 3:22:21 PM The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage DC Tie Curtailment Notice Active
Jan 9, 2026 1:21:29 PM ERCOT has been notified that the Railroad DC Tie has been derated to 173 MW Import/Export due to maintenance until further notice. Operational Information Active
Jan 9, 2026 12:11:58 AM No sudden loss of generation greater than 450 MW occurred on January 08, 2026. Operational Information Active
Jan 8, 2026 9:56:43 PM ERCOT has been notified the DC_R Railroad tie has been derated to 145MW Import/Export due to Capacitor issues until further notice. Operational Information Active
Jan 8, 2026 8:34:22 PM The DC_R (Railroad) DC Tie is being curtailed, a DC Tie Curtailment Notice (DCTCN) is active due to a planned or unplanned outage DC Tie Curtailment Notice Active
Jan 8, 2026 7:23:00 PM ERCOT has cancelled the following notice: At 3:30 PM on 1/08/2026, 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 Cancelled
Jan 8, 2026 2:54:20 PM At 3:30 PM on 1/08/2026, 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
Jan 8, 2026 1:55:26 PM ERCOT has cancelled the following notice: ERCOT is taking manual action for an unsolved contingency in the Abilene area. Operational Information Cancelled
Jan 8, 2026 8:49:14 AM ERCOT is taking manual action for an unsolved contingency in the Abilene area. Operational Information Active
Jan 8, 2026 12:06:41 AM No sudden loss of generation greater than 450 MW occurred on January 07, 2026. Operational Information Active
Jan 7, 2026 10:39:52 AM ERCOT has cancelled the following notice: The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Cancelled
Jan 7, 2026 8:40:25 AM The ESKOTA RAS has been taken out of service/removed from RTCA. Operational Information Active
Jan 7, 2026 12:27:54 AM No sudden loss of generation greater than 450 MW occurred on January 06, 2026. Operational Information Active
Jan 6, 2026 12:03:25 AM No sudden loss of generation greater than 450 MW occurred on January 05, 2026. Operational Information Active
Jan 5, 2026 12:12:10 AM No sudden loss of generation greater than 450 MW occurred on January 04, 2026. Operational Information Active
Jan 4, 2026 12:15:57 AM No sudden loss of generation greater than 450 MW occurred on January 03, 2026. Operational Information Active
Jan 3, 2026 1:03:15 AM No sudden loss of generation greater than 450 MW occurred on January 02, 2026. Operational Information Active
Jan 2, 2026 12:06:52 AM No sudden loss of generation greater than 450 MW occurred on January 01, 2026. Operational Information Active
Jan 1, 2026 12:03:30 AM No sudden loss of generation greater than 450 MW occurred on December 31, 2025. Operational Information Active