Power plants in Cumberland County, Maine
22 operating power plants in Cumberland County, Maine, with 1,736 MW of nameplate capacity, largest first. From EIA-860M, August 2026.
Largest power plants in Cumberland County
| # | Plant | MW | GWh, 2025 | Capacity factor |
|---|---|---|---|---|
| 1 | William F Wyman HybridOil | 863 | 138 | 1.9% |
| 2 | Westbrook Energy Center Power PlantNatural gas | 564 | 3,388 | 68.6% |
| 3 | Cross Town Energy StorageBattery storage | 175 | −2.0* | – |
| 4 | Cape Gas TurbineOil | 35 | 0.8 | 0.2% |
| 5 | Brunswick HydroHydro | 20 | 69.6 | 40.5% |
| 6 | Regional Waste SystemsMunicipal solid waste | 13 | 88.5 | 76.0% |
| 7 | HiramHydro | 11 | 31.3 | 34.0% |
| 8 | S D Warren WestbrookHydro | 7.2 | 15.0 | 2.5% |
| 9 | Gorham Solar 1 (CSG)Solar | 5.0 | 6.6 | 15.1% |
| 10 | Baldwin (ME)Solar | 5.0 | 9.6 | 21.9% |
| 11 | StandishSolar | 5.0 | 7.3 | 16.8% |
| 12 | BWC Beech Ridge Brook, LLCSolar | 5.0 | 7.7 | 17.5% |
| 13 | North BridgtonSolar | 5.0 | 8.0 | 18.3% |
| 14 | ShakerSolar | 5.0 | 6.2 | 14.1% |
| 15 | SCS Harpswell 012903 Brunswick, LLCSolar | 4.9 | 7.3 | 17.1% |
| 16 | Dynamic - Gray SolarSolar | 4.9 | 5.2 | 12.0% |
| 17 | North GorhamHydro | 2.2 | 6.5 | 33.5% |
| 18 | NaplesSolar | 2.0 | 3.0 | 17.3% |
| 19 | MEVS WaterhouseSolar | 2.0 | 3.1 | 17.6% |
| 20 | Roosevelt TrailSolar | 1.0 | 1.4 | 16.4% |
| 21 | Water Line Solar, LLCSolar | 1.0 | 0.8 | – |
| 22 | Boundary Line Solar, LLCSolar | 1.0 | 0.1 | – |
* 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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