Largest power plants in Maine
The 50 largest power plants in Maine by nameplate capacity, from EIA-860M for August 2026, with 2025 net generation from EIA-923.
Top 50 by nameplate capacity
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | William F Wyman HybridCumberland County · Oil | 863 | 138 | 1.9% |
| 2 | Westbrook Energy Center Power PlantCumberland County · Natural gas | 564 | 3,388 | 68.6% |
| 3 | Maine Independence StationPenobscot County · Natural gas | 550 | 1,433 | 29.7% |
| 4 | Rumford Power LLCOxford County · Natural gas | 275 | 793 | 33.0% |
| 5 | Bucksport Generation LLCHancock County · Natural gas | 187 | 0.0* | – |
| 6 | Bingham WindPiscataquis County · Wind | 186 | 499 | 30.6% |
| 7 | Cross Town Energy StorageCumberland County · Battery storage | 175 | −2.0* | – |
| 8 | Great Lakes Hydro America - MEPenobscot County · Hydro | 148 | 500 | 41.5% |
| 9 | Oakfield Wind ProjectAroostook County · Wind | 148 | 351 | 27.0% |
| 10 | Kibby Wind FacilityFranklin County · Wind | 132 | 262 | 22.6% |
| 11 | Downeast WindWashington County · Wind | 126 | 264 | – |
| 12 | Three Corners SolarWaldo County · Solar | 110 | 187 | 19.4% |
| 13 | Somerset PlantSomerset County · Wood biomass | 107 | 552 | 58.8% |
| 14 | Rumford CogenerationOxford County · Wood biomass | 103 | 424 | 47.2% |
| 15 | Farmington SolarFranklin County · Solar | 77 | 124 | 18.4% |
| 16 | Harris HydroSomerset County · Hydro | 76 | 151 | 22.6% |
| 17 | Weaver WindHancock County · Wind | 73 | 229 | 36.0% |
| 18 | Wyman HydroSomerset County · Hydro | 72 | 295 | 46.8% |
| 19 | Woodland Pulp, LLCWashington County · Wood biomass | 62 | 344 | 57.5% |
| 20 | Rollins Wind ProjectPenobscot County · Wind | 60 | 147 | 27.9% |
| 21 | MoscowSomerset County · Wind | 59 | 43.0* | – |
| 22 | Stetson Wind IWashington County · Wind | 57 | 146 | 29.2% |
| 23 | Hancock Wind PlantHancock County · Wind | 51 | 120 | 26.9% |
| 24 | Record Hill WindOxford County · Wind | 51 | 110 | 24.9% |
| 25 | Sanford SolarYork County · Solar | 49 | 85.7 | 19.8% |
| 26 | Rumford Falls Hydro FacilityOxford County · Hydro | 48 | 212 | 54.9% |
| 27 | ReEnergy Stratton LLCFranklin County · Wood biomass | 47 | 200 | 48.5% |
| 28 | Passadumkeag Windpark LLCPenobscot County · Wind | 43 | 141 | 37.4% |
| 29 | Mars Hill Wind Farm ProjectAroostook County · Wind | 42 | 128 | 34.9% |
| 30 | ReEnergy Livermore FallsAndroscoggin County · Wood biomass | 40 | 274 | 78.9% |
| 31 | Cape Gas TurbineCumberland County · Oil | 35 | 0.8 | 0.2% |
| 32 | Bull Hill Wind ProjectHancock County · Wind | 35 | 66.5 | 22.0% |
| 33 | Saddleback Ridge Wind FarmFranklin County · Wind | 34 | 90.4 | 30.2% |
| 34 | Anson Abenaki HydrosSomerset County · Hydro | 29 | 101 | 39.6% |
| 35 | Charles E MontyAndroscoggin County · Hydro | 28 | 114 | 46.0% |
| 36 | NE Renewable Power West EnfieldPenobscot County · Wood biomass | 28 | 42.6 | 17.7% |
| 37 | Stetson Wind IIWashington County · Wind | 26 | 55.3 | 24.8% |
| 38 | Eagle Point Energy CenterPenobscot County · Municipal solid waste | 25 | 0.0 | – |
| 39 | Canton Mountain WindOxford County · Wind | 23 | 56.4 | 28.2% |
| 40 | Twin Rivers Paper Co LLCAroostook County · Other fuels | 22 | 98.7 | 51.2% |
| 41 | Spruce Mountain WIndOxford County · Wind | 20 | 52.6 | 30.0% |
| 42 | Milo PV - BD Solar 1 LLCPiscataquis County · Solar | 20 | 24.5 | 14.0% |
| 43 | Silver MaplePenobscot County · Wind | 20 | 63.9 | 36.5% |
| 44 | Walden Solar Maine VAndroscoggin County · Solar | 20 | 35.9 | 20.5% |
| 45 | Mousam River SolarYork County · Solar | 20 | 6.9 | – |
| 46 | Brunswick HydroCumberland County · Hydro | 20 | 69.6 | 40.5% |
| 47 | Worumbo Hydro StationAndroscoggin County · Hydro | 19 | 74.3 | 43.7% |
| 48 | Gulf IslandAndroscoggin County · Hydro | 19 | 115 | 68.4% |
| 49 | SkeltonYork County · Hydro | 17 | 77.2 | 52.5% |
| 50 | Hydro Kennebec ProjectKennebec County · Hydro | 15 | 32.4 | 24.0% |
* 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