New Haven County, CT Power Outages
Utilities serving New Haven 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 Haven 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 Haven County power outage history
Every significant outage recorded in New Haven County since late 2014, with likely causes from NOAA storm reports
Since late 2014, DOE's EAGLE-I monitoring system has recorded 82 significant power outages in New Haven County, meaning events that left at least 1% of customers in the dark. The largest (Aug 4–10, 2020) came when Hurricane Isaias left 140,925 customers (36.7% of the county) without power.
From 2018 to 2025, the average customer here lost about 5 hr 46 min of power per year, less than the Connecticut average of 7 hr 35 min. That ranks 7th of 8 Connecticut counties for outage time, where 1st has the most.
August is the riskiest month: it accounted for 66% of all customer outage time from 2018 to 2025. On 13 days in that period, at least 5% of customers were out at the same time. Outage time in New Haven County has fallen recently: about 1 hr 12 min per customer per year in 2022–2025, versus 10 hr 18 min in 2018–2021.
The most recent significant outage on record (Apr 5, 2025) affected 5,566 customers (1.5%).
Worst outages on record
| # | When | Peak customers out | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 4–10, 2020 | 140,925(36.7%) | 7 | Hurricane Isaias |
| 2 | Aug 27–29, 2020 | 50,268(13.1%) | 3 | Severe thunderstorms |
| 3 | May 15–20, 2018 | 50,262(13.1%) | 6 | Severe thunderstorms |
| 4 | Mar 7–10, 2018 | 38,525(10%) | 4 | Winter storm |
| 5 | Oct 30–31, 2017 | 35,290(9.2%) | 2 | Flooding |
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 Haven County?
Electric companies with service territory in New Haven County (EIA-861, 2025)
| Utility | Type | Customers (CT) | Avg. outage time / yr | Live data |
|---|---|---|---|---|
| Eversource (Connecticut) | Investor Owned | 1,345,292 | Not reporting | |
| United Illuminating (UI) | Investor Owned | 348,263 | Not reporting | |
| Town of Wallingford - (CT) | Municipal | 25,123 | 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 Haven County outage headlines in the past week.
Nearby counties
New Haven County power outage FAQ
Is the power out in New Haven County right now?
No outages are currently reported for New Haven 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 Haven County?
According to EIA-861 service territory data, Connecticut Light & Power Co, United Illuminating Co, Town of Wallingford - (CT) provide electric service in New Haven County, Connecticut.
What was the worst power outage in New Haven County?
The largest outage recorded by DOE's EAGLE-I system since 2014 was Aug 4–10, 2020. It peaked at 140,925 customers without power (36.7% of the county). NOAA storm reports for that period point to Hurricane Isaias.
How often does the power go out in New Haven County?
EAGLE-I has recorded 82 significant outages here since late 2014. From 2018 to 2025 the average customer lost about 5 hr 46 min of power per year, and on 13 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 Haven County, CT Power Outages." Accessed November 3, 2026. https://poweroutagetracker.com/outages/connecticut/new-haven-county