When will the power be back in Groton, CT?
Our restoration forecast is independent and unofficial, never the utility's commitment. How it works · How accurate it has been
Groton is a city of about 10,160 residents in New London County.
Eversource has reported outages for Groton by name on its own public outage map (most recently observed 2026-09-18) — so when Groton is affected, this page can show the city's own customers-out count and restoration time rather than only the county-wide total.
ZIP codes in Groton:
Checking a ZIP goes straight to the address-level view for that area.
Around Groton: the closest other places we track are New London, about 1 miles to the west; Middletown, about 34 miles to the northwest; Meriden, about 40 miles to the west; and Warwick, RI, about 43 miles to the northeast. Also nearby: Cranston, RI (43 mi NE); Hartford (44 mi NW); New Britain (44 mi NW); New Haven (44 mi W); West Haven (47 mi W); Providence, RI (48 mi NE); East Providence, RI (49 mi NE); and Southbridge, MA (51 mi N).
Looking further out, the nearest place we track is: north toward Palmer, MA (61 mi); northeast toward Pawtucket, RI (52 mi); east toward New Bedford, MA (63 mi); southwest toward Patchogue, NY (63 mi); west toward Ansonia (52 mi); and northwest toward Bristol (51 mi).
Who serves Groton?
We track live outage data from Eversource in New London County — but several utilities can serve one county, so confirm your own by searching your address on the live map. City of Norwich, Groton Department of Utilities, Mohegan Tribal Utility Authority and 2 others also serve parts of New London County — we don't yet read their own live outage maps.
Groton's last tracked outage began Sep 26, peaked at 556 customers out, and was restored in 25 hours. Across the 3 outages tracked here, the typical (median) restoration ran 10 hours.
- Sep 26 — 556 customers out, restored in 25 hours
- Sep 26 — 61 customers out, restored in 10 hours
- Sep 21 — 26 customers out, restored in an hour
County context: across all of New London County, federal outage records (EAGLE-I, 2014–2025) show outages of 200+ customers typically restored in about 2.8 hr. The full record for New London County
Common questions
When will my power be back on in Groton, CT?
It depends on the cause and how many crews are working; the live status at the top of this page shows the current outlook. For context from Groton's own record: across the 3 outages this site has tracked here, the typical (median) restoration ran 10 hours — the outage-history panel above lists them.
How do I check the power outage status in Groton, CT?
To check your own street, search a Groton ZIP code — 06340 — and the map opens on that area.
Does this page show Groton specifically, or the whole county?
Both, and for Groton we have the city-level view: Eversource has published outages for Groton under its own name, most recently seen on 2026-09-18. When Groton is affected, you get its own customers-out count and restoration time, with the New London County county-wide total shown separately as context. Don't add the two together — the county figure already includes Groton.
