World Power Plants

River Mill is an 18.8 MW hydroelectric power plant in the United States, operated by Portland General Electric Co since 1925. Ranked #505 of 1469 hydro plants in the United States, River Mill's capacity accounts for 0.02% of the nation'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 River Mill 362.5 times smaller. Nearby plants include Bonneville (1162 MW, Hydro), River Road Gen Plant (248 MW, Gas), and Oak Grove (51 MW, Hydro). The facility is located in Oregon, approximately 30 km east of Portland.

Capacity
18.8 MW
Commissioning Year
1925

101 years old

Owner
Portland General Electric Co
Location
45.3000°, -122.3500°

United States of America, North America

Context & rankings
  • 4,115. largest of 10,098 plants in United States of America
  • #20,168 worldwide by installed capacity
  • #4,593 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

101 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Portland General Electric Co operates 18 plants totalling 4,109 MW

Regional density

52 plants within 100 km, 2,525 MW combined

Nearest plant: Faraday (4.3 km)

Location

Coordinates:: 45.300000, -122.350000
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Carbon Footprint

Zero Direct Emissions

River Mill is a hydro power plant producing approximately 66 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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