World Power Plants

Skookumchuck is a 1 MW hydro power plant in the United States, operated by TransAlta Centralia Gen LLC since 1990. Ranked #1429 of 1469 hydro plants in the United States. Its 1 MW capacity represents 0.0008% of the country's total hydro capacity of 117,947 MW. The largest hydro plant in the United States is the Grand Coulee Dam at 6,809 MW, making this facility 6,809 times smaller. Nearby plants include Transalta Centralia Generation (Coal, 1459.8 MW), Chehalis Generating Facility (Gas, 698 MW), and Frederickson Power LP (Gas, 318.3 MW). The facility is located in Washington, approximately 50 km south of Tacoma.

Capacity
1 MW
Commissioning Year
1990

36 years old

Owner
TransAlta Centralia Gen LLC
Location
46.7844°, -122.7197°

United States of America, North America

Context & rankings
  • 9,554. largest of 10,098 plants in United States of America
  • #37,569 worldwide by installed capacity
  • #8,086 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

36 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

TransAlta Centralia Gen LLC operates 2 plants totalling 1,461 MW

Regional density

40 plants within 100 km, 6,691 MW combined

Nearest plant: Transalta Centralia Generation (11.1 km)

Location

Coordinates:: 46.784400, -122.719700
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Carbon Footprint

Zero Direct Emissions

Skookumchuck is a hydro power plant producing approximately 4 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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