EIA state data · 2025
Connecticut Electricity Generation
Net electricity generation in Connecticut totaled 43,551 GWh in 2025 (EIA Forms 923, 860, and 861 aggregated to calendar year). Rank among U.S. states and DC: #34. Renewable share (wind, solar, hydro, geothermal, wood, other biomass): 7.4%.
Generation by fuel (2025)
| Fuel / technology | Generation (GWh) |
|---|---|
| Natural Gas | 24,460 |
| Nuclear | 16,709 |
| Solar | 2,505 |
| Other | 437 |
| Other biomass | 363 |
| Hydropower | 342 |