P-2509-May-2026

NYISO Operational Announcements


Dispatcher Notices
15 Minute Scheduling Disabled Notices
Market Monitor Notices
Market Pricing Notices

Dispatcher Notices

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09-May-2026 10:40:26NYISO Locational based curtailment cut 1250 MWs. 05/09/2026 10:40 EDT
09-May-2026 11:16:0405/09/2026 11:12:08 NYISO large event reserve pick-up executed.
09-May-2026 11:16:0605/09/2026 11:15:00 NYISO large event reserve pick-up executed.
09-May-2026 11:56:18NYISO Locational based curtailment cut 1250 MWs. 05/09/2026 11:56 EDT
09-May-2026 12:46:0405/09/2026 12:42:08 NYISO large event reserve pick-up executed.
09-May-2026 12:46:0605/09/2026 12:45:00 NYISO large event reserve pick-up executed.
09-May-2026 13:41:52NYISO Locational based curtailment cut 480 MWs. 05/09/2026 13:41 EDT
09-May-2026 14:36:0305/09/2026 14:32:08 NYISO large event reserve pick-up executed.
09-May-2026 14:36:0505/09/2026 14:35:00 NYISO large event reserve pick-up executed.
09-May-2026 15:41:38NYISO Locational based curtailment cut 600 MWs. 05/09/2026 15:41 EDT
09-May-2026 16:24:11ALL Reinstatement added 600 MWs. 05/09/2026 16:24 EDT
09-May-2026 16:25:17NYISO Locational based curtailment cut 600 MWs. 05/09/2026 16:25 EDT
09-May-2026 16:34:02ALL Reinstatement added 600 MWs. 05/09/2026 16:34 EDT
09-May-2026 16:36:48NYISO Locational based curtailment cut 600 MWs. 05/09/2026 16:36 EDT
09-May-2026 17:16:0405/09/2026 17:12:08 NYISO large event reserve pick-up executed.
09-May-2026 17:16:0705/09/2026 17:15:00 NYISO large event reserve pick-up executed.
09-May-2026 17:38:09NYISO Locational based curtailment cut 600 MWs. 05/09/2026 17:38 EDT
09-May-2026 19:29:53NYISO Locational based curtailment cut 600 MWs. 05/09/2026 19:29 EDT
09-May-2026 20:21:0305/09/2026 20:17:14 NYISO large event reserve pick-up executed.
09-May-2026 20:21:0505/09/2026 20:20:00 NYISO large event reserve pick-up executed.
09-May-2026 20:26:0305/09/2026 20:25:00 NYISO large event reserve pick-up executed.
09-May-2026 21:38:19NYISO Locational based curtailment cut 1250 MWs. 05/09/2026 21:38 EDT

15 Minute Scheduling Disabled

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Market Monitor Notices

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Market Pricing Notices

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09-May-2026 14:16:23Prices in the May 08, 2026 Real-Time Market for the period hours beginning 12 through 23 encompassing Energy, Regulation, and Operating Reserves are correct. Prices in the May 10, 2026 Day-Ahead Market are correct.