Average gas bill in Connecticut
What a typical Connecticut home with natural gas pays each month, in winter and in summer, and how that compares with the rest of the country.
Updated · EIA data
- Winter bill, Dec–Feb
- $228/mo
- Summer bill, Jun–Aug
- $46/mo
Source: U.S. Energy Information Administration, residential natural gas use and prices, October 2024 to September 2025, and residential customers, 2024. Bill and use per home are our calculation. How we calculate this
By home size
- Studio or 1-bedroom apartment$52/mo
- 2-bedroom apartment$58/mo
- 3-bedroom house$137/mo
- Large house, 2,500+ sq ft$173/mo
BillAverage estimate based on EIA data, for homes that pay their own gas bill: typical use for each home type in the Northeast (EIA's 2020 home energy survey), scaled to Connecticut's average use and priced at $1.63 per therm.
Is your bill higher than this?
Gas bills here swing from about $46 a month in summer (June to August) to about $228 in winter (December to February), when heating runs.
Homes with gas service use about 73 therms a month, 34% more than the U.S. average of 54, and pay about $1.63 per therm ($16.92 per thousand cubic feet), 4% higher than the U.S. average.
About 49% of Connecticut homes use natural gas at all, according to EIA's 2020 home energy survey. The rest use electricity or other fuels and have no gas bill.
Connecticut gas bills by month
Average bill per residential gas customer each month, our calculation from U.S. Energy Information Administration data.
More for Connecticut
Nearby states
Questions
- What is the average gas bill in Connecticut?
- $119 a month over the 12 months to September 2025, for homes with natural gas service. That's our calculation from U.S. Energy Information Administration (EIA) data on residential gas use, prices and customers.
- How much is a gas bill in winter in Connecticut?
- About $228 a month from December to February, when heating runs, compared with about $46 a month from June to August.
- How much does natural gas cost per therm in Connecticut?
- About $1.63 per therm ($16.92 per thousand cubic feet) on average over the 12 months to September 2025, including delivery charges. The U.S. average was $1.57 per therm.
- Are gas bills in Connecticut higher than average?
- Yes. $119 a month is above the U.S. average of $85, 8th highest of the 50 states and D.C..