World Power Plants

Johnsonburg Mill54 MW Biomass

BiomassRenewableVerified: Jul 2026

Johnsonburg Mill is a 54 MW biomass power plant in the United States, operated by Domtar LLC since 1993. Ranked #44 of 156 biomass plants in the United States. Its 54 MW accounts for 1.04% of the country's total biomass capacity of 5,191 MW. The largest biomass plant in the United States is Mansfield Mill at 172 MW, making Johnsonburg Mill 3.2 times smaller. Nearby plants include Shawville (632 MW, Gas) and Seneca Generation LLC (469 MW, Hydro). The facility is located in Pennsylvania, approximately 40 km from Erie.

Capacity
54 MW
Commissioning Year
1993

33 years old

Owner
Domtar LLC
Location
41.4915°, -78.6758°

United States of America, North America

Context & rankings
  • 2,843. largest of 10,098 plants in United States of America
  • #12,787 worldwide by installed capacity
  • #202 of 1,487 Biomass plants worldwide
Age & fleet comparison

33 years in operation

Biomass fleet average: 20.5 years

Operator portfolio

Domtar LLC operates 1 plants totalling 54 MW

Regional density

19 plants within 100 km, 1,986 MW combined

Nearest plant: Seneca Generation LLC (47.4 km)

Location

Coordinates:: 41.491500, -78.675800
Open in Google Maps
Carbon Footprint230 g CO₂/kWh
Annual CO₂
70.7 Kt
307 GWh/year × 230 g/kWh
Cumulative CO₂
2.33 Mt
Over 33 years of operation
Annual emissions equivalent to
15.4K
cars per year
9.4K
homes per year
3.2M
trees to offset

Estimates based on Biomass emission factor (230 g CO₂/kWh) and capacity factor (65%). Actual emissions may vary based on operating conditions, efficiency, and fuel quality.

Technical Details

Primary Fuel Type
Biomass
Energy Source
Renewable
Country
United States of America
Continent
North America
Data Source
Global Power Plant Database

United States of AmericaEnergy Profile

10,098
Total Plants
1420.7 GW
Total Capacity
GasCoalNuclearWind
Top Fuels

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