When will the power be back in Sullivan County, NH?
See current outages near you, plus an independent restoration forecast when enough trend data exists · New Hampshire
No significant county-wide outage reported in Sullivan County, NH right now.
Lights out where you are? Very small or brand-new outages can take a few minutes to reach county-level data — check your exact address on the live map, and see what to check before you report it.
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Updated 11:31 PM EDT.
⚡ No power in Sullivan, NH? We'll notify you when the outage we're tracking looks mostly restored.
An alert when an outage is detected here, another once a dependable restoration estimate is ready, and an all-clear when the outage we're tracking looks substantially restored (~90% of customers back). No email, no account — anonymous usage stats only.
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Who serves Sullivan 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. Liberty Utilities also serves parts of this county — we don't yet read its own live outage map. Multiple utilities serve parts of this area — enter a street address above for your exact provider.
Outage history — Sullivan County, NH
Last significant outage: Sep 26, 2026 — peaked at 411 customers, restored in ~4 hr (no severe weather).
Across the 7 significant outages tracked here, restoration typically ran about 2.7 hr.
This county-level list covers larger outages (about 200+ customers at peak, lasting 30 minutes or more) — oldest listed: Jul 22, 2026. Smaller or briefer interruptions aren't listed.
Longer-term outage history — Sullivan County, NH
Federal outage records (EAGLE-I, kept by the U.S. Department of Energy) show
462 notable outages (200+ customers at peak) here between 2014 and 2025 — including 1 major event of 10,000+ customers.
Typical restoration ran ~2.8 hr (median), and outages here have been most common in summer.
Largest on record: ~19,880 customers out in July 2015, restored after about 29.5 hr. The busiest year on record here was 2022.
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.
Cities we track in Sullivan County
Communities in Sullivan County include Claremont, Acworth, Charlestown, Cornish, Croydon, Goshen, Grantham and Langdon. Searches and the live map cover every address in the county, named here or not.
Nearby counties & areas
