ME · State grid profile
Maine power grid
Maine's operating portfolio is led by Oil & gas, followed by Wind. Its 256 plants represent 5,841 MW of nameplate capacity. The dataset also reports 956 MW of proposed capacity.
Final 2024 state totalsPreliminary 2025 facilitiesCommunity-reported data centers
Coverage quality
What is complete here?
Generation portfolio
Maine capacity by fuel
Oil & gas45%2,626 MW
Wind17.7%1,033 MW
Solar14.3%833 MW
Hydro12.1%705 MW
Biomass9.6%559 MW
Storage1.1%64 MW
Industrial & other0.4%22 MW
Facility intelligence
Largest Maine power plants
| Plant | Primary fuel | Location | Utility | Operating capacity |
|---|---|---|---|---|
| William F Wyman HybridPlant 1507 | Oil & gas | Yarmouth, MECumberland County | FPL Energy Wyman LLC | 863 MW |
| Westbrook Energy Center Power PlantPlant 55294 | Oil & gas | Westbrook, MECumberland County | Westbrook Energy Center | 564 MW |
| Maine Independence StationPlant 55068 | Oil & gas | Veazie, MEPenobscot County | Casco Bay Energy Co LLC | 550 MW |
| Rumford Power LLCPlant 55100 | Oil & gas | Rumford, MEOxford County | Rumford Power | 275 MW |
| Bucksport Generation LLCPlant 50243 | Oil & gas | Bucksport, MEHancock County | Bucksport Generation LLC | 187 MW |
| Bingham WindPlant 57531 | Wind | Bingham, MEPiscataquis County | Onward Energy | 186 MW |
| Cross Town Energy StoragePlant 66606 | Storage | Gorham, MECumberland County | Cross Town Energy Storage LLC | 175 MW |
| Great Lakes Hydro America - MEPlant 54134 | Hydro | Millinocket, MEPenobscot County | Great Lakes Hydro America LLC | 158 MW |
| Oakfield Wind ProjectPlant 57002 | Wind | City of Oakfield, MEAroostook County | Onward Energy | 148 MW |
| Kibby Wind FacilityPlant 56829 | Wind | Chain of Ponds, MEFranklin County | Helix Maine Wind Development, LLC | 132 MW |
Methodology
Transparent by design
State totals and fuel mix use finalized EIA-860 2024 generator data. The facility table uses the EIA-860 2025 Early Release and is preliminary. Data-center counts use OpenStreetMap community records and measure mapped coverage, not the full market.