Power Plants in Merrimack County, New Hampshire

Merrimack County, New Hampshire has 12 power plants totaling 550 MW of nameplate capacity. Browse every plant below with fuel type, operator, and capacity.

Plants12operating sites
Capacity550 MWnameplate
Generation435.7k MWhannual
CO₂288.8kmetric tons/year
Coal 90%Hydroelectric 7%Biomass 3%

Plant locations

All plants in this county

PlantCityFuelCapacityOperator
MerrimackBowCoal496 MWGranite Shore Power
Wheelabrator Concord FacilityConcordBiomass14.0 MWWheelabrator Environmental Systems
Garvins FallsBowHydroelectric12.4 MWCentral Rivers Power Nh, Llc
Eastman FallsFranklinHydroelectric6.4 MWCentral Rivers Power Nh, Llc
Penacook Lower FallsBoscawenHydroelectric4.6 MWBriar-Hydro Associates
Rolfe Canal HydroPenacookHydroelectric4.3 MWBriar-Hydro Associates
Penacook Upper Falls HydroPenacookHydroelectric3.4 MWBriar-Hydro Associates
Pembroke HydroSuncookHydroelectric2.7 MWEagle Creek Renewable Energy, Llc
Stevens Mills DamFranklinHydroelectric1.9 MWEagle Creek Renewable Energy, Llc
China Mill HydroAllenstownHydroelectric1.7 MWNew Hampshire Hydro Associates
HooksettHooksettHydroelectric1.6 MWCentral Rivers Power Nh, Llc
Ehc West HopkintonWest HopkintonHydroelectric1.0 MWGreen Mountain Power Corp

About power generation in Merrimack County

Merrimack County, New Hampshire has 12 power plants totaling 550 MW of nameplate capacity. Coal is the dominant fuel source at 90% of installed capacity, followed by Hydroelectric (7%) and Biomass (3%). The largest facility is Merrimack at 496 MW. Data comes from EIA Form 860, EIA Form 923, and EPA eGRID federal releases.

To find plants closer to a specific address in Merrimack County, use the address lookup — it shows every plant within a chosen radius along with distance, fuel type, and emissions.