New London County, CT Power Outages
Utilities serving New London County, Connecticut don't yet share live outage data with DOE's ODIN feed. Check your electric company's outage map (listed below) for real-time status.
New London County on the Connecticut outage map
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
New London County power outage history
Every significant outage recorded in New London County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 243 significant power outages in New London County, meaning events that left at least 1% of customers in the dark. The largest (Oct 30 – Nov 1, 2017) came when high winds left 44,199 customers (56.4% of the county) without power.
From 2018 to 2025, the average customer here lost about 9 hr 17 min of power per year, more than the Connecticut average of 7 hr 35 min. That ranks 5th of 8 Connecticut counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 46% of all customer outage time from 2018 to 2025. On 39 days in that period, at least 5% of customers were out at the same time. Outage time in New London County has fallen recently: about 3 hr 25 min per customer per year in 2022–2025, versus 15 hr 9 min in 2018–2021.
The most recent significant outage on record (May 17–20, 2025) affected 2,983 customers (3.8%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Oct 30 – Nov 1, 2017 | 44,199(56.4%) | 3 | High winds |
| 2 | Aug 4–10, 2020 | 37,902(48.4%) | 7 | Hurricane Isaias |
| 3 | Feb 4–8, 2016 | 24,526(31.3%) | 5 | Winter storm |
| 4 | Jun 28, 2018 | 23,109(29.5%) | 1 | Flooding |
| 5 | Mar 8–10, 2018 | 22,920(29.3%) | 3 | Winter storm |
Hours without power per customer, by year
When outages happen
Source: DOE/ORNL EAGLE-I recorded electricity outages, 2014–2025 (CC BY 4.0), with likely causes from the NOAA NCEI Storm Events Database. EAGLE-I coverage was partial before 2018, so averages use 2018–2025. Peak counts are the highest number of customers out at one time.
Who provides electricity in New London County?
Electric companies with service territory in New London County (EIA-861, 2025)
| Utility | Type | Customers (CT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Eversource (Connecticut) | Investor Owned | 1,345,292 | Not reporting | |
| City of Norwich - (CT) | Municipal | 20,996 | Not reporting | |
| Groton Dept of Utilities - (CT) | Municipal | 16,395 | Not reporting | |
| Bozrah Light & Power Company | Municipal | 2,836 | Not reporting | |
| City of Jewett City - (CT) | Municipal | 2,701 | Not reporting | |
| Mohegan Tribal Utility Authority | Political Subdivision | 75 | Not reporting |
Customer counts are each utility's statewide total in Connecticut. Source: U.S. Energy Information Administration, Form EIA-861 & Electric Power Annual.
Local outage news
No New London County outage headlines in the past week.
New London County power outage FAQ
Is the power out in New London County right now?
No outages are currently reported for New London County by participating utilities. Live coverage is limited here, so If your power is out, report it to your electric company.
Which electric company serves New London County?
According to EIA-861 service territory data, Connecticut Light & Power Co, City of Norwich - (CT), Groton Dept of Utilities - (CT), Bozrah Light & Power Company and 2 others provide electric service in New London County, Connecticut.
What was the worst power outage in New London County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Oct 30 – Nov 1, 2017. It peaked at 44,199 customers without power (56.4% of the county). NOAA storm reports for that period point to high winds.
How often does the power go out in New London County?
EAGLE-I has recorded 243 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 9 hr 17 min of power per year, and on 39 days at least 5% of customers were out at once.
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "New London County, CT Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/connecticut/new-london-county