Largest Power Plants in New Hampshire

New Hampshire has 61 power plants with a combined nameplate capacity of 4,730 MW. The table below ranks the 50 largest by installed capacity — these are the facilities with the most generation potential in the state. Nameplate capacity measures the maximum output under ideal conditions; actual generation depends on fuel cost, demand, and maintenance schedules.

For a complete list of all plants in the state, visit the New Hampshire state page. To find plants near a specific address, use the address lookup.

#PlantStateFuelCapacity
1SeabrookNew HampshireNuclear1,242 MW
2Granite RidgeNew HampshireNatural Gas790 MW
3Newington Energy CenterNew HampshireNatural Gas606 MW
4MerrimackNew HampshireCoal496 MW
5NewingtonNew HampshireOil414 MW
6S C MooreNew HampshireHydroelectric195 MW
7SchillerNew HampshireOil171 MW
8ComerfordNew HampshireHydroelectric168 MW
9Granite Reliable PowerNew HampshireWind99 MW
10Burgess BiopowerNew HampshireBiomass75 MW
11Groton Wind LlcNew HampshireWind48 MW
12Berlin GorhamNew HampshireHydroelectric44 MW
13Antrim WindNew HampshireWind29 MW
14Ne Renewable Tamworth, LlcNew HampshireBiomass25 MW
15Lempster Wind LlcNew HampshireWind24 MW
16Bridgewater Power LpNew HampshireBiomass20 MW
17Ne Renewable Springfield, LlcNew HampshireBiomass20 MW
18Ne Renewable Whitefield, LlcNew HampshireBiomass20 MW
19White LakeNew HampshireOil19 MW
20Lost NationNew HampshireOil18 MW
21Ne Renewable Bethlehem, LlcNew HampshireBiomass18 MW
22AmoskeagNew HampshireHydroelectric16 MW
23Smith (Nh)New HampshireHydroelectric15 MW
24Jericho PowerNew HampshireWind14 MW
25Wheelabrator Concord FacilityNew HampshireBiomass14 MW
26Garvins FallsNew HampshireHydroelectric12 MW
27Pontook Hydro FacilityNew HampshireHydroelectric11 MW
28Turnkey Landfill Gas RecoveryNew HampshireBiomass9 MW
29Ayers IslandNew HampshireHydroelectric8 MW
30Unh 7.9 Mw PlantNew HampshireBiomass8 MW
31Dartmouth College Heating PlantNew HampshireOil7 MW
32Eastman FallsNew HampshireHydroelectric6 MW
33Hampton FacilityNew HampshireNatural Gas5 MW
34Dodge Falls AssociatesNew HampshireHydroelectric5 MW
35Penacook Lower FallsNew HampshireHydroelectric5 MW
36Rolfe Canal HydroNew HampshireHydroelectric4 MW
37Gregg FallsNew HampshireHydroelectric4 MW
38Penacook Upper Falls HydroNew HampshireHydroelectric3 MW
39JackmanNew HampshireHydroelectric3 MW
40Mine Falls Generating StationNew HampshireHydroelectric3 MW
41Errol Hydroelectric ProjectNew HampshireHydroelectric3 MW
42Plymouth State College CogenerationNew HampshireOil3 MW
43Pembroke HydroNew HampshireHydroelectric3 MW
44Clement Dam Hydro LlcNew HampshireHydroelectric2 MW
45Nashua PlantNew HampshireBiomass2 MW
46Merrimack Solar Farm, LlcNew HampshireSolar2 MW
47GorhamNew HampshireHydroelectric2 MW
48Seven Hills New HampshireNew HampshireOil2 MW
49Stevens Mills DamNew HampshireHydroelectric2 MW
50China Mill HydroNew HampshireHydroelectric2 MW

Cite this page

PowerPlantsNearMe.com. (2026). Largest Power Plants in New Hampshire. Derived from EIA Form 860, EIA Form 923, and EPA eGRID. Retrieved from https://powerplantsnearme.com/largest-power-plants/new-hampshire

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