⚡ US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

Connecticut

United Illuminating electricity rates

What homes pay United Illuminating for electricity, from EIA.

Investor-owned utility, 269,552 homes in Connecticut. EIA lists it as United Illuminating Co.

Headlines

Average price
33.3¢ a kWh
Down 6.5% on a year ago
Average bill
$174 a month
Down 7.1% on a year ago
Average use
523 kWh
A month. Connecticut 699 kWh
Price rank in Connecticut
1 of 4
1 is the most expensive

Over the 12 months to July 2026, United Illuminating homes paid 33.3¢ a kWh, against 28.0¢ across Connecticut.

United Illuminating vs Connecticut

United IlluminatingConnecticut
Average price, 12 months to July 202633.3¢28.0¢
Price in July 202628.3¢24.2¢
Average monthly bill, 12 months$174$196
Bill in July 2026$205$222
Average monthly use523 kWh699 kWh
Price change, past year-6.5%-7.1%
Price change since 2019+32%+28%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including July 2026

Source: EIA-861M monthly utility survey. Revenue over kilowatt-hours sold, including fixed charges.

Average monthly bill

What an average home pays a month.

Up to and including July 2026

Source: EIA-861M monthly utility survey.