World Power Plants

Main Canal Headworks is a 26.8 MW hydroelectric power plant in the United States, operated by Columbia Basin Hydropower since 1987. Ranked #436 of 1469 hydro plants in the United States. Its 26.8 MW represents 0.02% of the United States' 117,947 MW total hydro capacity. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making Main Canal Headworks 253.4 times smaller. Within 50 km, the nearest plants are Grand Coulee Dam (6809 MW, Hydro), Grand Coulee (6809 MW, Hydro), and Chief Joseph (2456.2 MW, Hydro). The facility is located in Washington State, approximately 90 km west of Spokane.

Capacity
26.8 MW
Commissioning Year
1987

39 years old

Owner
Columbia Basin Hydropower
Location
47.6164°, -119.2992°

United States of America, North America

Context & rankings
  • 3,608. largest of 10,098 plants in United States of America
  • #17,457 worldwide by installed capacity
  • #4,018 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

39 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Columbia Basin Hydropower operates 5 plants totalling 129 MW

Regional density

15 plants within 100 km, 20,431 MW combined

Nearest plant: Summer Falls Power Plant (12.7 km)

Location

Coordinates:: 47.616400, -119.299200
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Carbon Footprint

Zero Direct Emissions

Main Canal Headworks is a hydro power plant producing approximately 94 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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