Power plants in New Haven County, Connecticut
27 operating power plants in New Haven County, Connecticut, with 3,172 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
27
Nameplate capacity
3,172 MW
Net generation, 2025
8.66 TWh
26 of 27 plants reported
Largest power plants in New Haven County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | CPV Towantic Energy CenterNatural gas | 842 | 4,812 | 65.3% |
| 2 | New Haven SteamOil | 642 | 0.0* | – |
| 3 | Milford Power ProjectNatural gas | 578 | 3,368 | 66.5% |
| 4 | Wallingford EnergyNatural gas | 350 | 107 | 3.5% |
| 5 | GenConn Devon LLCOil | 242 | 15.1 | 0.7% |
| 6 | Devon StationOil | 223 | −1.4 | – |
| 7 | Waterbury GenerationNatural gas | 96 | 55.0 | 6.5% |
| 8 | A L PierceNatural gas | 84 | 0.0 | – |
| 9 | ShepaugHydro | 37 | 93.3 | 28.6% |
| 10 | BranfordOil | 22 | 0.3 | 0.2% |
| 11 | Wallingford SolarSolar | 16 | 15.4 | 10.9% |
| 12 | Derby Fuel CellNatural gas | 14 | 110 | 89.9% |
| 13 | Brass Mill CenterSolar | 3.4 | – | – |
| 14 | UI RCP New Haven Fuel CellNatural gas | 2.8 | 15.7 | 64.0% |
| 15 | UI RCP Woodbridge FCNatural gas | 2.8 | 16.7 | 68.3% |
| 16 | Kinneytown New OldHydro | 2.3 | 0.0 | – |
| 17 | Medtronic - New HavenNatural gas | 2.3 | 18.0 | 89.5% |
| 18 | Medtronic - New Haven 2Natural gas | 2.2 | 16.9 | 87.7% |
| 19 | CTGB Manson YouthSolar | 2.0 | 3.0 | 17.0% |
| 20 | North Haven Solar OneSolar | 1.6 | 2.8 | 20.3% |
| 21 | Dynamic Energy CT STAGSolar | 1.5 | 2.5 | 18.7% |
| 22 | IKEA New Haven Rooftop PV & Fuel CellSolar and natural gas | 1.1 | 2.7 | 27.9% |
| 23 | Town of BranfordSolar | 1.1 | 1.5 | 15.7% |
| 24 | Amazon BDL3 Solar ProjectSolar | 1.0 | 1.7 | 19.4% |
| 25 | Park SolarSolar | 1.0 | 1.5 | 16.9% |
| 26 | Benz Solar 1Solar | 1.0 | 1.3 | – |
| 27 | Benz Solar 2Solar | 1.0 | 1.3 | – |
* Fewer than 12 months of 2025 reported, so the total is partial.
MW is the nameplate capacity of operating generators and batteries. Source: EIA-860M August 2026, published 2026-09-24, and EIA-923 2025. Page updated 2026-10-04. Data sources
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