Electricity Prices
Connecticut's average retail electricity price was 28.31 cents per kWh in 2024, per EIA data.
Electricity price per kWh (Northeast region)
1979–2024BLS Average Price Data, annual average (APU010072610).
Natural gas price for power plants
1997–2025U.S. EIA Natural Gas Annual, price delivered to electric power consumers (N3045CT3).
| Indicator | Connecticut | U.S. |
|---|---|---|
| Electricity Price (¢/kWh) | 28.31 | 16.14 |
- •Electricity pricing in Connecticut is influenced heavily by its generation mix.
Energy Production
Millstone nuclear plant and natural gas supply nearly all of Connecticut’s electricity; the state burns no coal.
- •Millstone is the only nuclear plant in Connecticut and supplies about a third of its power.
Renewable Energy
Renewable sources accounted for about 6.5% of Connecticut's electricity generation in 2023, per EIA data.
Renewables share of total energy consumption
1960–2024U.S. EIA State Energy Data System, renewable energy (RETCB) ÷ total energy consumption (TETCB).
Renewable energy consumption
1960–2024U.S. EIA State Energy Data System, all renewable sources (RETCB), consumption in billion Btu.
Hydroelectric power
1960–2024U.S. EIA State Energy Data System, hydroelectric power (HYTCB), consumption in billion Btu.
- •Connecticut continues to expand its renewable generation capacity year over year.
Solar Energy
Connecticut had approximately 1,200 megawatts of installed solar capacity as of 2024.
Solar energy consumption
1989–2024U.S. EIA State Energy Data System, solar, all uses (SOTCB), consumption in billion Btu.
- •Solar installations in Connecticut have expanded steadily over the past five years.
Wind Energy
Connecticut had roughly 5 megawatts of installed wind capacity as of 2023-2024.
Wind energy consumption
2016–2024U.S. EIA State Energy Data System, wind (WYTCB), consumption in billion Btu.
- •Wind development in Connecticut remains limited compared to leading wind-power states.
Natural Gas
Natural gas remains a key part of Connecticut's energy mix alongside other generation sources in 2023.
Residential natural gas price
1967–2024U.S. EIA Natural Gas Annual, price delivered to residential consumers (N3010CT3).
Natural gas consumption
1997–2024U.S. EIA Natural Gas Annual, total consumption (NA1490_SCT_2).
- •Natural gas prices in Connecticut tend to track regional pipeline capacity and seasonal demand.
Energy Consumption
Connecticut consumed approximately 270 million Btu of energy per capita in 2023, per EIA estimates.
Total energy consumption
1960–2024U.S. EIA State Energy Data System, all sources (TETCB), consumption in billion Btu.
Transportation sector energy consumption
1960–2024U.S. EIA State Energy Data System, transportation sector (TEACB), consumption in billion Btu.
Natural gas consumption
1997–2024U.S. EIA Natural Gas Annual, total consumption.
- •Energy consumption patterns in Connecticut are shaped by both residential heating needs and industrial demand.