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ISO New England will perform a maintenance outage of the CROW Outage Scheduler in both Production and Sandbox environments on Wednesday, December 10, 2025, between 19:00 and 21:00 hrs.

ISO New England will perform a maintenance outage of the CROW Outage Scheduler in both Production and Sandbox environments on Wednesday, December 10, 2025, between 19:00 and 21:00 hrs. During this time, the Production and Sandbox CROW web application and web services will be intermittently unavailable.

• Date: Wed Dec 10, 2025 7:00PM
• Notice Category: IT Notices