Electricity and gas prices in Connecticut

Households in Connecticut paid an average of 24.32¢ per kilowatt-hour for electricity in June 2026, and $23.33 per thousand cubic feet of natural gas in May 2026. That is the 12th highest electricity price of the fifty states and DC.

What heat costs here

Dollars per million BTU delivered into the house — the only figure that compares a heat pump with a furnace, and the only one that needs no assumption about your house.

Gas furnace, 95% AFUE$23.68
Heat pump at COP 3.0$23.76
Heat pump at COP 2.0$35.64
Electric resistance$71.28

Which certified heat pumps hold their capacity at 5 °F in Connecticut

Five years of prices

July 202122.10¢
October 202122.93¢
January 202222.27¢
April 202227.10¢
July 202219.39¢
October 202224.98¢
January 202330.29¢
April 202334.48¢
July 202326.63¢
October 202329.01¢
January 202427.34¢
April 202429.59¢
July 202428.00¢
October 202430.00¢
January 202530.02¢
April 202532.23¢
July 202527.60¢
October 202527.72¢
January 202628.30¢
April 202632.24¢

Who sells electricity in Connecticut

Utilities reporting at least 1,000 residential customers. The price column is derived — total residential revenue divided by total residential sales in EIA’s 2024 annual survey — not a tariff, and not this month’s rate.

Utility	Ownership	Residential customers	Derived from the 2024 survey
Connecticut Light & Power Co	Investor Owned	924,132	28.51¢
United Illuminating Co	Investor Owned	256,302	34.04¢
Town Of Wallingford - (Ct)	Municipal	21,405	15.65¢
Sunnova	Behind the Meter	20,437	21.24¢
City Of Norwich - (Ct)	Municipal	18,870	22.78¢
Sunrun Inc.	Behind the Meter	17,293	24.36¢
Groton Dept Of Utilities - (Ct)	Municipal	12,284	18.70¢
Tesla Inc.	Behind the Meter	8,450	17.11¢
Sunpower Capital, LLC	Behind the Meter	3,506	18.03¢
Bozrah Light & Power Company	Municipal	2,434	19.33¢
Spruce Finance	Behind the Meter	1,848	16.33¢

Get told when this changes

A short note each month when EIA publishes new prices for Connecticut.

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Prices: EIA Electric Power Monthly and Natural Gas Monthly, residential sector. Utility figures: EIA-861 annual survey, data year 2024. Both public domain.