PowerOutageHistory

Connecticut Power Outage History

17 counties tracked, 2014–2025. County-level reliability grades and outage frequency below.

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Counties tracked
17
Avg national percentile
27th
Higher = more reliable
Grade F counties
4

Connecticut county map

Middlesex County: Grade D (click for details)New Haven County: Grade C (click for details)Windham County: Grade F (click for details)New London County: Grade F (click for details)Fairfield County: Grade F (click for details)Tolland County: Grade D (click for details)Litchfield County: Grade F (click for details)Hartford County: Grade C (click for details)

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Reliability grade:ABCDF

County rankings (worst to best)

CountyGradeNational percentile
Windham CountyF15th
Litchfield CountyF18th
New London CountyF19th
Fairfield CountyF19th
Middlesex CountyD21st
Tolland CountyD26th
New Haven CountyC44th
Hartford CountyC58th
Northwest Hills CountyNot ranked—
Naugatuck Valley CountyNot ranked—
South Central Connecticut CountyNot ranked—
Southeastern Connecticut CountyNot ranked—
Western Connecticut CountyNot ranked—
Greater Bridgeport CountyNot ranked—
Lower Connecticut River Valley CountyNot ranked—
Capitol CountyNot ranked—
Northeastern Connecticut CountyNot ranked—