Power outage record for Connecticut

Minutes without power per customer in Connecticut, by year
2019: 23623620192020: 2,6432,64320202021: 14514520212022: 15715720222023: 16516520232024: 1541542024US 2024: 611 min

Worst year: 2020. Includes major storm days. Source: EIA Form 861.

  • 2024: Connecticut electric customers averaged 0.88 outages and 154 minutes (2.6 hours) without power. Average across all reporting US utilities: 611 minutes. That makes Connecticut 10th of 50 states (1 = fewest outage minutes).
  • Storm days vs. ordinary days: leaving out major event days, the figure drops to 73 minutes (US 126). About 52% of the year's outage time came on a handful of severe days.
  • Six-year record: the worst year was 2020 (2,643 minutes), the best 2021 (145). 2024 was well below the 2019–2023 average of 669 minutes.
  • Largest utilities: Connecticut Light & Power Co, 1,326,461 customers, 159 minutes; United Illuminating Co, 345,159 customers, 122 minutes; Town of Wallingford - (CT), 25,100 customers, 214 minutes.
  • Spread between utilities: among 3 utilities with 25,000+ customers, United Illuminating Co had the least outage time (122 minutes) and Town of Wallingford - (CT) the most (214 minutes). Source: EIA Form 861 reliability data, 2019–2024
  • Storm record since 2015: 2,720 NOAA storm reports in Connecticut, led by thunderstorm wind 954, winter weather 332, flash flood 328. Power outages are named in 65 storm episodes. Source: NOAA Storm Events Database
  • February 15, 2025, Northern New Haven (ice storm): “Utility company (Eversource) reported at least 15,400 customers were without power, with nearly 1,500 of those located in Newtown, with nearly 1,200 United Illuminating customers as of 24 hours after the storm.” Source: NOAA Storm Events Database
  • March 16, 2026, Northern Litchfield (strong wind): “An estimated 4000 people were without power throughout Litchfield County.” Source: NOAA Storm Events Database
Outage minutes per customer in 2024, Connecticut's largest utilities
  • City of Norwich - (CT)288 min
  • Bozrah Light & Power Company278 min
  • Town of Wallingford - (CT)214 min
  • Connecticut Light & Power Co159 min
  • Connecticut average154 min
  • United Illuminating Co122 min
  • Groton Dept of Utilities - (CT)117 min

Connecticut Light & Power Co serves the most customers (1,326,461). Source: EIA Form 861.

Connecticut and nearby states, 2024 outage minutes
  • Massachusetts102 min
  • Rhode Island104 min
  • Connecticut154 min
  • New York220 min

Connecticut ranks 3rd of 4 here (1 = fewest minutes). Source: EIA Form 861.

Storm episodes that knocked out power in Connecticut, by month (2015–2026)
Jan: 66JanFeb: 1010FebMar: 1010MarApr: 44AprMay: 22MayJun: 77JunJul: 88JulAug: 77AugSep: 11SepOct: 33OctNov: 22NovDec: 55Dec

February had the most (10). Source: NOAA Storm Events Database.

Checked September 2026.

Who to call in Connecticut, city by city

5 Connecticut cities on this site and the electric utility for each. What to do while you wait is in our power outage guide.

Frequently asked questions

Is there a power outage in Connecticut right now?

Not on this site: no reports from Connecticut in the last 24 hours.

How long are power outages in Connecticut?

In 2024 the average Connecticut electric customer was without power for 154 minutes (2.6 hours) across 0.88 interruptions, according to EIA Form 861 data. The average across all reporting US utilities was 611 minutes.

Which Connecticut utility had the most outage time in 2024?

Among utilities with at least 25,000 customers, Town of Wallingford - (CT) reported the most: 214 minutes per customer. United Illuminating Co reported the least.

When do storms knock out power in Connecticut?

NOAA storm reports name power outages in 65 storm episodes in Connecticut since 2015, most often in February (10 episodes).

Report counts are user-submitted; other figures name their official source. How our data works

Cities in Connecticut with Power Outages Information

Bridgeport

no reports in the last 24 hours · pop. 144,399
United Illuminating (UI)

View Power Outages

Hartford

no reports in the last 24 hours · pop. 122,105
Eversource

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New Haven

no reports in the last 24 hours · pop. 134,023
United Illuminating (UI)

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Stamford

no reports in the last 24 hours · pop. 135,470
Eversource

View Power Outages

Waterbury

no reports in the last 24 hours · pop. 107,568
Eversource

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