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Energy Profile

Electricity Cost in Connecticut

The residential electricity rate in Connecticut is 29.38¢ per kilowatt-hour (kWh), ranking #47 cheapest among all 51 US states. The national average is 17.92¢/kWh, making Connecticut 64% above average.

Reviewed by EnergyProfile Editorial Team · Updated

29.38¢

Residential

#47

Price Rank

3.1%

Renewable

Residential Rate29.38¢/kWh
Commercial Rate23.11¢/kWh
Industrial Rate18.35¢/kWh
US Average (Residential)17.92¢/kWh
Full Connecticut Energy Profile →Estimate Your Bill

At 29.38¢/kWh, residential electricity in Connecticut is 64% above the U.S. average of 17.92¢/kWh — the 5th most expensive residential rate among 51 states and territories.

Across rate classes, commercial customers pay 23.11¢/kWh and industrial customers 18.35¢/kWh — a 4.76¢/kWh gap that reflects the volume discounts large industrial loads receive. Renewables supply 3.1% of generation in Connecticut, where natural gas dominates the mix at 58.2%, followed by nuclear at 37.7%.

In 2024, Connecticut generated about 44,761 GWh of electricity in total.

Source: U.S. Energy Information Administration, 2026.