US Energy Price Monitorby KadoaUpdated weeklyStar on GitHub

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Connecticut

Groton Dept of Utilities electricity rates

What homes pay Groton Dept of Utilities for electricity, from EIA.

Municipal utility, 12,596 homes in Connecticut. EIA lists it as Groton Dept of Utilities - (CT).

Headlines

Average price
19.3¢ a kWh
Up 7.0% on a year ago
Average bill
$149 a month
Up 13% on a year ago
Average use
771 kWh
A month. Connecticut 702 kWh
Price rank in Connecticut
3 of 4
1 is the most expensive

Over the 12 months to August 2026, Groton Dept of Utilities homes paid 19.3¢ a kWh, against 27.4¢ across Connecticut.

Groton Dept of Utilities vs Connecticut

Groton Dept of UtilitiesConnecticut
Average price, 12 months to August 202619.3¢27.4¢
Price in August 202621.1¢24.5¢
Average monthly bill, 12 months$149$193
Bill in August 2026$178$204
Average monthly use771 kWh702 kWh
Price change, past year+7.0%-8.9%
Price change since 2019+21%+25%

Electricity price

Average residential price a kilowatt-hour, by month.

Up to and including August 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 August 2026

Source: EIA-861M monthly utility survey.