Unh 7.9 Mw Plant

🌿 BiomassCommercial CHP7 MW capacity

30th largest plant in New Hampshire · 6283rd nationally

Unh 7.9 Mw Plant is a biomass power plant in New Hampshire with a nameplate capacity of 7.9 MW. It generates roughly 50.6k MWh per year — enough to power about 4,814 average U.S. homes.

Its capacity factor of 73% puts it in the middle range — running steadily but not full-time. At 173 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%73%
Mid-merit — steady but not full-time
Capacity8 MWnameplate
Annual Generation50.6k MWhEPA eGRID
Capacity Factor73%of theoretical max
Annual CO₂4.4kmetric tons

Location

Plant NameUnh 7.9 Mw Plant
OperatorEmcor Energy Services
CityDurham
CountyStrafford County
StateNew Hampshire
ZIP03824
Coordinates43.13674, -70.93613

This plant highlighted in navy-ringed pin; other generators within 25 miles shown as fuel-colored dots.

NuclearNatural GasOilHydroelectricSolarBiomassBattery Storage

Generators (1)

IDTechnologyFuelCapacityStatusOnline
1Landfill GasLandfill Gas7.9 MWOperating2006

Emissions (annual)

CO₂4.4k metric tons
SO₂5 metric tons
CO₂ Rate173 lb/MWh
This plant172 lb/MWhU.S. grid average800 lb/MWhNatural gas combined-cycle average900 lb/MWhCoal plant average2,100 lb/MWh

Annual totals and CO₂ rate reported by EPA eGRID for 2023. Reference averages are approximate U.S.-wide figures from the same dataset.

Grid context

NERC RegionNPCC
Balancing AuthorityIso New England Inc.

About Biomass plants

Biomass plants burn wood, agricultural waste, or methane from landfills to generate steam and electricity. They are considered carbon-neutral over long timescales when fuel is sustainably sourced, but they produce particulate emissions similar to coal.

Other plants in Strafford County

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