Leaving regional grid would raise costs for New Hampshire ratepayers, report finds

By: Molly Rains

Outlets: NH Bulletin

Published: July 24, 2026

Words: 1,309

Last Updated: 3 weeks, 6 days ago


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A path exists for New Hampshire to electrically isolate itself from the rest of New England, according to a study released this month. But such a move, the authors said, would likely come at a significant cost for ratepayers.

The July 15 report is the outcome of a monthslong investigation into the feasibility of New Hampshire leaving ISO New England, the nonprofit that oversees electric grid operation and the wholesale electricity market in the …

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