Power plants in Franklin County, Massachusetts
33 operating power plants in Franklin County, Massachusetts, with 1,334 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Franklin County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Northfield MountainPumped storage | 1,168 | −285 | – |
| 2 | CabotHydro | 62 | 239 | 44.2% |
| 3 | ShermanHydro | 7.2 | 27.8 | 44.2% |
| 4 | Erving Paper MillsNatural gas | 6.2 | 41.6 | 76.5% |
| 5 | Turners FallsHydro | 5.7 | 11.8 | 23.7% |
| 6 | W. Orange Rd Solar LLCSolar | 5.0 | 7.6 | 17.2% |
| 7 | Wilbur Woods Solar LLCSolar | 5.0 | 7.8 | 17.9% |
| 8 | Charlemont ASolar and battery storage | 5.0 | 3.1 | 14.0% |
| 9 | French King Solar LLCSolar | 5.0 | 7.9 | 18.1% |
| 10 | Deerfield 2Hydro | 4.8 | 29.4 | 70.0% |
| 11 | Deerfield 3Hydro | 4.8 | 26.5 | 62.9% |
| 12 | Deerfield 4Hydro | 4.8 | 21.5 | 51.1% |
| 13 | Deerfield CSG SolarSolar | 4.5 | 4.3 | 10.9% |
| 14 | Montague Site 36-GrosolarSolar | 4.1 | 5.7 | 15.8% |
| 15 | Kearsarge MontagueSolar | 4.0 | 6.6 | 18.7% |
| 16 | Old Frontier Solar IIISolar and battery storage | 4.0 | 3.8 | 21.9% |
| 17 | Kearsarge Montague BD(CSG)Solar and battery storage | 3.8 | 3.1 | 15.0% |
| 18 | Gardners FallsHydro | 3.5 | 11.4 | 37.2% |
| 19 | Hunt Farm SolarSolar | 3.0 | 3.3 | 12.6% |
| 20 | OSG Solar 1 LLCSolar | 2.5 | 3.1 | 14.3% |
| 21 | Orange PVSolar | 2.0 | 2.6 | 14.8% |
| 22 | Fairview Farms SolarSolar | 2.0 | 2.6 | 15.0% |
| 23 | Greenfield Solar PVSolar | 2.0 | 2.6 | 15.1% |
| 24 | Kearsarge GillSolar | 2.0 | 3.0 | 16.9% |
| 25 | Fairhaven ESolar | 2.0 | 3.1 | 17.4% |
| 26 | Long Plain SolarSolar | 2.0 | 3.5 | 20.0% |
| 27 | NFM Solar Power LLCSolar | 1.9 | 1.6 | 9.6% |
| 28 | Axio Green LLCSolar | 1.8 | 2.5 | 15.7% |
| 29 | Whately SolarSolar | 1.5 | 2.4 | 17.9% |
| 30 | Sunderland Solar PVSolar | 1.1 | 1.6 | 16.3% |
| 31 | Erving CSGSolar | 1.0 | 1.5 | 17.1% |
| 32 | Whatley RenewablesSolar | 1.0 | 1.7 | 18.8% |
| 33 | Wendell MA 1Solar | 1.0 | 1.2 | 13.9% |
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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Other counties in Massachusetts
Worcester County188 plants · 1,953 MWHampden County79 plants · 1,402 MWPlymouth County69 plants · 473 MWBristol County65 plants · 592 MWMiddlesex County59 plants · 474 MWBerkshire County42 plants · 1,024 MWHampshire County38 plants · 160 MWNorfolk County37 plants · 2,731 MWEssex County33 plants · 1,151 MW