US PowerGrade

The average electric bill in Connecticut

Connecticut households paid $206.46 a month for electricity in 2025, at 29.31¢ per kilowatt-hour for 704 kWh a month. That is 40% above the national median, and ranks #2 of 51 states, most expensive first.

Monthly bill
$206.46
US median $147.18
Price
29.31¢
per kWh · US 15.39¢
Usage
704
kWh per month
Households
1,581,525
residential accounts

What each Connecticut utility charges, most expensive first

United Illuminating Co charges 35.40¢ per kWh and Town of Wallingford - (CT) charges 17.78¢ — 2.0× apart inside one state. You do not usually get to choose between them; your address does.

#UtilityPriceTypical billvs US median
1United Illuminating CoInvestor Owned · 261,151 homes35.40¢per kWh$182.78516 kWh/mo2.56× dearer
2Connecticut Light & Power CoInvestor Owned · 995,130 homes28.88¢per kWh$195.35677 kWh/mo2.09× dearer
3City of Norwich - (CT)Municipal · 18,967 homes23.35¢per kWh$147.77633 kWh/mo1.69× dearer
4Bozrah Light & Power CompanyMunicipal · 2,440 homes19.75¢per kWh$169.33857 kWh/mo1.43× dearer
5Groton Dept of Utilities - (CT)Municipal · 12,596 homes18.05¢per kWh$133.62740 kWh/mo1.30× dearer
6Town of Wallingford - (CT)Municipal · 21,426 homes17.78¢per kWh$151.51852 kWh/mo1.28× dearer

Price is residential revenue divided by residential kilowatt-hours sold, for bundled service only. Typical bill is that utility’s residential revenue spread over its residential accounts and twelve months, not a quoted tariff. The median priced utility charges 13.84¢ per kWh.

Price is only half of it

The median Connecticut utility also leaves customers without power for 2.1 hours a year. A cheap utility that is out for two days a year is not obviously a bargain. See Connecticut utilities ranked by outage time, or the utilities that charge the most and deliver the least.

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