Electricity rates and average bill in Connecticut

In 2025, the average Connecticut household used 704 kWh a month and paid $206, an average price of 29.3¢ per kWh. That is the 5th highest price of the 50 states and DC (U.S.: 17.2¢).

Estimate your bill · Heat pump vs furnace · Water heater cost

Monthly residential electricity price in Connecticut

Source: EIA, average residential price per month (¢/kWh); last 12 months average 27.7¢.

Electric utilities in Connecticut

Average residential price, usage and bill of each utility in 2025 (utilities and providers with at least 1,000 homes). Find yours by ZIP code in the bill calculator.

Utilities (default service)

Retail choice in Connecticut

Connecticut lets many households buy their electricity from a competitive supplier while the local utility still delivers it. Customers who buy energy from a supplier paid an average of 11.8¢/kWh for the energy alone (241,785 homes), plus the utility's delivery charge. Compare a supplier's offer with the utility's default price including all charges, not just the energy rate.

Heating: heat pump vs. gas in Connecticut

For a 2,000 sq ft home with average insulation at a typical Connecticut location (5,883 heating degree days, weather station Hartford-bradley Intl Ap), heating with a high-efficiency heat pump costs about $2,314 a year at the state's average electricity price, compared with $1,196 for a 92% gas furnace, $3,084 for propane and $2,300 for heating oil. Run it with your ZIP code and your home.

Heating fuel prices