Power plants in Somerset County, Maine
37 operating power plants in Somerset County, Maine, with 498 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
37
Nameplate capacity
498 MW
Net generation, 2025
1.53 TWh
36 of 37 plants reported
Largest power plants in Somerset County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Somerset PlantWood biomass | 107 | 552 | 58.8% |
| 2 | Harris HydroHydro | 76 | 151 | 22.6% |
| 3 | Wyman HydroHydro | 72 | 295 | 46.8% |
| 4 | MoscowWind | 59 | 43.0* | – |
| 5 | Anson Abenaki HydrosHydro | 29 | 101 | 39.6% |
| 6 | Williams HydroHydro | 13 | 63.5 | 55.8% |
| 7 | Weston HydroHydro | 12 | 57.0 | 54.2% |
| 8 | Pittsfield Solar LLCSolar | 9.9 | 15.5 | 17.8% |
| 9 | ShawmutHydro | 8.8 | 23.4 | 30.3% |
| 10 | Athens EnergyWood biomass | 8.5 | 56.3 | 75.6% |
| 11 | Fairfield PV - BD Solar Fairfield LLCSolar | 5.0 | 8.7 | 19.9% |
| 12 | Palmyra PV - BD Solar Palmyra LLCSolar | 5.0 | 8.1 | 18.5% |
| 13 | River RoadSolar | 5.0 | 8.1 | 18.5% |
| 14 | Dynamic Madison (CSG)Solar | 5.0 | 9.5 | 21.8% |
| 15 | Athens AT01Solar | 5.0 | 7.1 | 16.2% |
| 16 | ME-EDFR-Phase I-EmbdenSolar | 5.0 | 8.2 | 18.7% |
| 17 | Bates College SkowheganSolar | 5.0 | 8.4 | 19.2% |
| 18 | MEVS Clark LLCSolar | 5.0 | 6.4 | 14.7% |
| 19 | Somerset Solar, LLC (ME)Solar | 5.0 | – | – |
| 20 | Madison ESSBattery storage | 4.9 | −0.5 | – |
| 21 | Harmony Solar (ME)Solar | 4.9 | 9.0 | 21.0% |
| 22 | Pittsfield Solar (N. Main St)Solar | 4.9 | 8.3 | 19.3% |
| 23 | Dynamic - Norridgewock Martin Stream (CSG)Solar | 4.9 | 8.8 | 20.6% |
| 24 | Barefoot SolarSolar | 4.3 | 6.3 | 16.6% |
| 25 | IOS - MEW Phase 1Solar | 4.1 | 5.1 | 14.1% |
| 26 | Hartland SolarSolar | 4.0 | 6.5 | 18.6% |
| 27 | Dairy FarmSolar | 4.0 | 6.1 | 17.3% |
| 28 | Brassua Hydroelectric ProjectHydro | 3.6 | 10.9 | 34.7% |
| 29 | Waste Management Crossroads LFGTELandfill gas | 3.2 | 21.9 | 78.1% |
| 30 | ME Novel Lighthouse - Front St. Solar CSSolar | 3.2 | 4.8 | 17.3% |
| 31 | Athens RidgeSolar | 2.9 | 4.7 | 18.5% |
| 32 | BNRG Norridgewock (CSG)Solar | 2.0 | 3.3 | 19.1% |
| 33 | BNRG North Anson (CSG)Solar | 2.0 | 3.2 | 18.0% |
| 34 | Madison BTMBattery storage | 1.5 | −0.3 | – |
| 35 | Pittsfield HydroHydro | 1.1 | 2.7 | 27.7% |
| 36 | Cenergy - Richards (CSG)Solar | 1.0 | 2.1 | 23.6% |
| 37 | Cenergy - KigerSolar | 1.0 | 2.0 | 23.2% |
* 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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Other counties in Maine
Penobscot County35 plants · 999 MWKennebec County33 plants · 136 MWAroostook County26 plants · 292 MWAndroscoggin County23 plants · 194 MWCumberland County22 plants · 1,736 MWOxford County20 plants · 590 MWYork County17 plants · 158 MWFranklin County14 plants · 336 MWHancock County12 plants · 388 MW