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ISO New England will be taking maintenance outage of both SMD-SSO and Sandbox SMD-SSO on Monday November 17th from 19:00 to 22:00 hrs.

ISO New England will be taking maintenance outage of both SMD-SSO and Sandbox SMD-SSO on Monday November 17th from 19:00 to 22:00 hrs. Users of the applications accessed via SMD and Sandbox SMD home page may experience intermittent connectivity during this outage.

• Date: Mon Nov 17, 2025 7:00PM
• Notice Category: IT Notices