Power plants in Knox County, Maine
5 operating power plants in Knox County, Maine, with 16 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Plants
5
Nameplate capacity
16 MW
Net generation, 2025
22.2 GWh
4 of 5 plants reported
Largest power plants in Knox County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | Fox Island Wind LLCWind | 4.5 | 8.7 | 22.2% |
| 2 | Washington WS01Solar | 4.0 | 5.1 | 14.6% |
| 3 | BWC Maces Pond LLCSolar | 3.5 | 4.5 | 14.6% |
| 4 | Samoset SolarSolar | 2.0 | 3.9 | 22.4% |
| 5 | Waldoboro Solar, LLCSolar | 2.0 | – | – |
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
More power plant lists for Maine
Largest power plants in Maine50 plants · 5,054 MWSolar farms in Maine175 plants · 960 MWWind farms in Maine22 plants · 1,217 MWBattery storage projects in Maine8 projects · 239 MWNatural gas power plants in Maine5 plants · 1,579 MWHydroelectric power plants in Maine48 plants · 669 MW
Other counties in Maine
Somerset County37 plants · 498 MWPenobscot 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 MW