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Connecticut Energy

Gas prices, electricity rates, utilities, power plants, heating costs and EV charging in Connecticut, from EIA, EPA and the Department of Energy.

Regular gas, region
$4.25/gal
Week of 10/19/2026
Home electricity
24.16¢/kWh
July 2026
Average electric bill
$206/mo
2025
EV charging stations
1,675
4,996 ports

Prices

Power plants

11.0 GW of operating capacity

All plants
  • Natural gas5.4 GW 49.0%
  • Petroleum2.5 GW 23.0%
  • Nuclear2.3 GW 20.5%
  • Solar501 MW 4.6%
  • Biomass161 MW 1.5%
  • Hydroelectric118 MW 1.1%
  • Pumped storage hydro31.0 MW 0.3%
  • Wind5.0 MW 0.0%
  • Battery storage1.6 MW 0.0%

Generated 40.7 TWh in 2023 with 37.3% from carbon-free sources. CO2 rate 538 lb/MWh. Solar, wind and batteries

Largest electric utilities

By customers, 2025

All 20

Swipe the table sideways to see more columns.

EV charging by city

29 alternative fuel stations too

All cities

Energy by county

Utilities, power plants and charging stations in each county

Frequently asked questions

How much does electricity cost in Connecticut?
Homes in Connecticut paid an average of 24.16¢/kWh per kilowatt-hour in July 2026, compared with the U.S. average of 18.31¢/kWh.
What is the price of gas in Connecticut?
EIA does not publish a weekly Connecticut average. The New England (PADD 1A) average was $4.25/gal the week of 10/19/2026.
Where does Connecticut's electricity come from?
In 2023, 37.3% of the electricity generated in Connecticut came from carbon-free sources (nuclear and renewables), and 3.7% from renewables alone.