Tolland County, CT Power Outages
Utilities serving Tolland 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.
Tolland County on the Connecticut outage map
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- Moderate
- Major
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- Limited data
Current outages
Weather alerts
No active outage-relevant weather alerts from the National Weather Service.
Tolland County power outage history
Every significant outage recorded in Tolland County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 150 significant power outages in Tolland County, meaning events that left at least 1% of customers in the dark. The largest (Aug 4–10, 2020) came when Hurricane Isaias left 40,984 customers (50.8% of the county) without power.
From 2018 to 2025, the average customer here lost about 8 hr 31 min of power per year, close to the Connecticut average of 7 hr 35 min. That ranks 6th of 8 Connecticut counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 57% of all customer outage time from 2018 to 2025. On 32 days in that period, at least 5% of customers were out at the same time. Outage time in Tolland County has fallen recently: about 3 hr 14 min per customer per year in 2022–2025, versus 13 hr 48 min in 2018–2021.
The most recent significant outage on record (May 2, 2025) affected 2,423 customers (3%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 4–10, 2020 | 40,984(50.8%) | 7 | Hurricane Isaias |
| 2 | Oct 30 – Nov 1, 2017 | 27,269(33.8%) | 3 | High winds |
| 3 | Dec 18–19, 2023 | 15,786(19.6%) | 2 | High winds |
| 4 | Feb 25–26, 2016 | 14,740(18.3%) | 2 | Severe thunderstorms |
| 5 | Oct 17–18, 2019 | 11,252(14%) | 2 | High winds |
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 Tolland County?
Electric companies with service territory in Tolland 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 Tolland County outage headlines in the past week.
Nearby counties
Tolland County power outage FAQ
Is the power out in Tolland County right now?
No outages are currently reported for Tolland 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 Tolland County?
According to EIA-861 service territory data, Connecticut Light & Power Co provide electric service in Tolland County, Connecticut.
What was the worst power outage in Tolland County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 4–10, 2020. It peaked at 40,984 customers without power (50.8% of the county). NOAA storm reports for that period point to Hurricane Isaias.
How often does the power go out in Tolland County?
EAGLE-I has recorded 150 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 8 hr 31 min of power per year, and on 32 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. "Tolland County, CT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/connecticut/tolland-county