See current outages near you, plus an independent restoration forecast when enough trend data exists · New Hampshire
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Coos County?
County-wide coverage, with utility detail where available. Serving utilities tracked here include Eversource and New Hampshire Electric Cooperative, alongside the nationwide county-by-county tally. Multiple utilities serve parts of this area — enter a street address above for your exact provider.
Outage history — Coos County, NH
Last significant outage: Sep 27, 2026 — peaked at 343 customers, restored in ~6 hr (no severe weather).
Across the 3 significant outages tracked here, restoration typically ran about 1.8 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Sep 6, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Coos County, NH
Federal outage records (
EAGLE-I, kept by the U.S. Department of Energy) show
319 notable outages (200+ customers at peak) here between 2014 and 2025.
Typical restoration ran ~
3 hr (median), and outages here have been most common in spring.
Largest on record: ~9,692 customers out in June 2021, restored after about 30 min.
Source: EAGLE-I (Oak Ridge National Laboratory / U.S. Department of Energy), county-level
records 2014–2025 measured by the same rules as our tracking archive above, over a far longer period than we have been tracking — the same method, a different set of outages. These are federal historical records,
not events tracked live by this site.
Communities covered
Communities in Coos County include Berlin, Carroll, Clarksville, Colebrook, Columbia, Dalton, Dummer and Errol. Searches and the live map cover every address in the county, named here or not.
Common questions
How do I report a power outage in Coos County, NH?
Report it to your electric utility — crews are dispatched from customer reports. Utilities serving parts of Coos include Eversource and New Hampshire Electric Cooperative — service areas overlap and county lines don't decide your provider, so confirm yours, then use its outage line or website. Reporting a downed line also helps crews find the fault faster. In a life-threatening emergency, call 911.