World Power Plants

Four Mile Hydropower Project2 MW Hydroelectric

HydroRenewableVerified: Jul 2026

Four Mile Hydropower Project is a 2 MW hydroelectric power plant in the United States, operated by Thunder Bay Power Co LLC since 1991. Ranked #1230 of 1469 hydro plants in the United States, it represents a tiny fraction of the country's total hydro capacity of 117,947 MW. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making this facility 3,404.5 times smaller. Nearby plants include Alpena Cement Plant (47.2 MW, Petcoke), Hillman Power LLC (22 MW, Waste), and Viking Energy of Lincoln (18 MW, Waste). The facility is located in Michigan, approximately 100 km northeast of Detroit.

Capacity
2 MW
Commissioning Year
1991

35 years old

Owner
Thunder Bay Power Co LLC
Location
45.0933°, -83.5025°

United States of America, North America

Context & rankings
  • 8,400. largest of 10,098 plants in United States of America
  • #34,764 worldwide by installed capacity
  • #7,554 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

35 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Thunder Bay Power Co LLC operates 3 plants totalling 7 MW

Regional density

17 plants within 100 km, 406 MW combined

Nearest plant: Norway Point Hydropower Project (1.6 km)

Location

Coordinates:: 45.093300, -83.502500
Open in Google Maps
Carbon Footprint

Zero Direct Emissions

Four Mile Hydropower Project is a hydro power plant producing approximately 7 GWh of clean electricity per year with zero direct CO₂ emissions during operation.

Lifecycle emissions: ~24 g CO₂/kWh (manufacturing, transport, decommissioning)

Technical Details

Primary Fuel Type
Hydro
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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