Windham County, CT Power Outages
Utilities serving Windham 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.
Windham 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.
Windham County power outage history
Every significant outage recorded in Windham County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 200 significant power outages in Windham County, meaning events that left at least 1% of customers in the dark. The largest (Aug 4–10, 2020) came when Hurricane Isaias left 38,276 customers (57.8% of the county) without power.
From 2018 to 2025, the average customer here lost about 12 hr 12 min of power per year, more than the Connecticut average of 7 hr 35 min. That ranks 2nd of 8 Connecticut counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 48% of all customer outage time from 2018 to 2025. On 49 days in that period, at least 5% of customers were out at the same time. Outage time in Windham County has fallen recently: about 5 hr 35 min per customer per year in 2022–2025, versus 18 hr 50 min in 2018–2021.
The most recent significant outage on record (Mar 31, 2025) affected 1,758 customers (2.7%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 4–10, 2020 | 38,276(57.8%) | 7 | Hurricane Isaias |
| 2 | Feb 5–8, 2016 | 24,401(36.8%) | 4 | Winter storm |
| 3 | Oct 30 – Nov 1, 2017 | 17,280(26.1%) | 3 | High winds |
| 4 | Dec 18–21, 2023 | 16,334(24.6%) | 4 | High winds |
| 5 | Feb 25–26, 2016 | 15,315(23.1%) | 2 | Severe thunderstorms |
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 Windham County?
Electric companies with service territory in Windham County (EIA-861, 2025)
| Utility | Type | Customers (CT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Eversource (Connecticut) | Investor Owned | 1,345,292 | 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 Windham County outage headlines in the past week.
Windham County power outage FAQ
Is the power out in Windham County right now?
No outages are currently reported for Windham 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 Windham County?
According to EIA-861 service territory data, Connecticut Light & Power Co provide electric service in Windham County, Connecticut.
What was the worst power outage in Windham County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 4–10, 2020. It peaked at 38,276 customers without power (57.8% of the county). NOAA storm reports for that period point to Hurricane Isaias.
How often does the power go out in Windham County?
EAGLE-I has recorded 200 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 12 hr 12 min of power per year, and on 49 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. "Windham County, CT Power Outages." Accessed November 2, 2026. https://poweroutagetracker.com/outages/connecticut/windham-county