Connecticut Power Outages: Live Map & Grid Status
Connecticut utilities do not yet share live outage data with DOE's ODIN feed, so live counts here are limited. Check your electric company's outage map (listed below) for real-time status.
Connecticut outage map by county
Limited data- Normal
- Minor
- Moderate
- Major
- Severe
- Limited data
Connecticut counties with power outages
Counties with customers out right now
No county-level outages are being reported right now.
Weather alerts
Wind, storm, ice, heat and fire-weather alerts from NWS
No active outage-relevant weather alerts from the National Weather Service.
Outage trend: last 7 days
Customers without power, recorded every ~30 minutes (participating utilities)
Biggest Connecticut power outages since 2014
Statewide outage events recorded by DOE's EAGLE-I system since late 2014, with likely causes from NOAA storm reports
The largest power outage in Connecticut since 2014 (Aug 4–12, 2020) left as many as 725,700 customers (42.95% of the state) without power at once, driven by Hurricane Isaias. The next largest (Oct 30 – Nov 1, 2017) peaked at 180,476 customers (High winds).
By EAGLE-I's count, Connecticut customers averaged about 7 hr 35 min without power per year from 2018 to 2025. The worst year was 2020, at 38 hr 12 min per customer.
Outages peak in August (62% of outage time). Outage time in Connecticut has fallen recently: about 2 hr 33 min per customer per year in 2022–2025, versus 12 hr 37 min in 2018–2021.
| # | When | Peak out at once | Days | Likely cause (NOAA) |
|---|---|---|---|---|
| 1 | Aug 4–12, 2020 | 725,700(42.95%) | 9 | Hurricane Isaias |
| 2 | Oct 30 – Nov 1, 2017 | 180,476(10.68%) | 3 | High winds |
| 3 | Mar 7–10, 2018 | 170,041(10.06%) | 4 | Winter storm |
| 4 | May 15–20, 2018 | 134,816(7.98%) | 6 | Severe thunderstorms |
| 5 | Jun 23–25, 2015 | 107,973(6.39%) | 3 | Severe thunderstorms |
| 6 | Dec 23–25, 2022 | 106,021(6.28%) | 3 | High winds |
| 7 | Nov 1–2, 2019 | 90,583(5.36%) | 2 | High winds |
| 8 | Dec 18–20, 2023 | 86,770(5.14%) | 3 | High winds |
Hours without power per customer, by year (EAGLE-I)
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.
Connecticut electric utilities
Largest electric companies in Connecticut, from 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 | |
| City of Norwich - (CT) | Municipal | 20,996 | Not reporting | |
| Sunrun Inc. | Behind the Meter | 19,341 | Not reporting | |
| Groton Dept of Utilities - (CT) | Municipal | 16,395 | Not reporting | |
| Tesla Inc. | Behind the Meter | 9,239 | Not reporting | |
| City of South Norwalk - (CT) | Municipal | 7,439 | Not reporting | |
| Norwalk Third Taxing District | Municipal | 4,139 | Not reporting | |
| SunPower Capital, LLC | Behind the Meter | 3,658 | Not reporting | |
| Bozrah Light & Power Company | Municipal | 2,836 | Not reporting | |
| City of Jewett City - (CT) | Municipal | 2,701 | Not reporting | |
| Palmetto Solar, LLC | Behind the Meter | 1,864 | Not reporting | |
| Spruce Finance | Behind the Meter | 1,841 | Not reporting | |
| EverBright, LLC | Behind the Meter | 1,352 | Not reporting |
“Avg. outage time / yr” is each utility's reported SAIDI for 2025, including major events. “Live data” shows whether the utility shares outages with DOE ODIN.
Connecticut grid reliability & uptime
Official reliability metrics from the U.S. Energy Information Administration
In 2025, the average Connecticut customer went 3 hr 6 min without power, compared with 4 hr 29 min for the U.S. as a whole. That ranks Connecticut 35th of 51 for total outage time, where 1st has the most.
Leaving out major events such as hurricanes and ice storms, the figure falls to 1 hr 17 min. Customers averaged 0.94 interruptions, each lasting about 3 hr 19 min. Over the last five years Connecticut averaged 2 hr 58 min of outages per customer per year (rank 40th).
View as table
| Year | CT SAIDI (min) | U.S. SAIDI (min) |
|---|---|---|
| 2015 | 112.5 | 209 |
| 2016 | 201.1 | 268.4 |
| 2017 | 348.9 | 505.9 |
| 2018 | 761.6 | 349.2 |
| 2019 | 246.6 | 295.5 |
| 2020 | 3033.8 | 456.1 |
| 2021 | 170.9 | 475.8 |
| 2022 | 187.4 | 333 |
| 2023 | 193.4 | 366.6 |
| 2024 | 152.8 | 662.6 |
| 2025 | 185.8 | 269.2 |
Source: EIA Electric Power Annual, Table 11.4 (IEEE method, all events including major event days).
Connecticut power outage news
- Crash causes power outage on the Berlin Turnpike: PoliceNBC Connecticut · Oct 27, 8:49 PM EDT
Nearby states
All Connecticut counties
Outage status, alerts and utilities for all 8 Connecticut counties
Connecticut power outage FAQ
Is there a power outage in Connecticut right now?
No outages are currently reported by participating utilities in Connecticut. Live coverage depends on which utilities share data with DOE ODIN, so if your power is out, report it to your electric company.
How reliable is the power grid in Connecticut?
In 2025, the average Connecticut electricity customer was without power for 3 hr 6 min in total (SAIDI, including major events), versus 4 hr 29 min nationally, according to EIA. That ranks Connecticut 35th of 51 for outage time (1st = most). Power was on 99.965% of the year.
How long do power outages last in Connecticut?
When an outage happened in 2025, Connecticut customers waited an average of 3 hr 19 min for power to be restored (CAIDI), and the average customer had 0.94 sustained interruptions during the year (SAIFI), per EIA-861 data.
Who do I call to report a power outage in Connecticut?
Report outages directly to your electric utility. Connecticut Light & Power Co, United Illuminating Co, Town of Wallingford - (CT) and others serve the most customers in Connecticut. Call 911 if you see a downed power line or are in danger.
Prepare for the next outage
Cite this page
You may reuse our derived data under CC BY 4.0 with attribution. Underlying government data is public domain.
PowerOutageTracker.com. "Connecticut Power Outages: Live Map & Grid Status." Accessed November 2, 2026. https://poweroutagetracker.com/outages/connecticut
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