Red Shield Envir Old Town Facility

🌿 BiomassIndustrial CHP28 MW capacity

35th largest plant in Maine · 4252nd nationally

Red Shield Envir Old Town Facility is a biomass power plant in Maine with a nameplate capacity of 28.5 MW. It generates roughly 24.6k MWh per year — enough to power about 2,345 average U.S. homes.

Its capacity factor of 10% reflects intermittent or peaking operation. At 272 lb CO₂/MWh, its emission rate sits below the national grid average of roughly 800 lb/MWh.

PeakingMid-meritBaseload0%40%80%100%10%
Peaking — intermittent or backup
Capacity29 MWnameplate
Annual Generation24.6k MWhEPA eGRID
Capacity Factor10%of theoretical max
Annual CO₂3.4kmetric tons

Location

Plant NameRed Shield Envir Old Town Facility
OperatorNd Paper, Inc.
CityOld Town
CountyPenobscot County
StateMaine
ZIP04468
Coordinates44.91806, -68.63554

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

Natural GasHydroelectricWindSolarBiomass

Generators (5)

IDTechnologyFuelCapacityStatusOnline
TG6Wood/Wood Waste BiomassWood/Wood Waste16.0 MWOut of Service1987
TG4Wood/Wood Waste BiomassBlack Liquor12.5 MWOut of Service1965
TG5Natural Gas Fired Combustion TurbineNatural Gas9.5 MWRetired2002
TG1Petroleum LiquidsResidual Oil3.5 MWRetired1946
TG2Petroleum LiquidsResidual Oil3.0 MWRetired1956

Emissions (annual)

CO₂3.4k metric tons
SO₂25 metric tons
NOₓ12 metric tons
CO₂ Rate272 lb/MWh
This plant272 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.

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