World Power Plants

South Fork Tolt is a 16.8 MW hydro power plant in the United States, operated by the City of Seattle since 1995. Ranked #528 of 1469 hydro plants in the United States. Its 16.8 MW represents 0.01% of the United States' total hydro capacity of 117,947 MW. The largest hydro plant in the United States is Grand Coulee Dam at 6,809 MW, making South Fork Tolt 405 times smaller. Nearby plants within 50 km include H M Jackson (111.8 MW, Hydro), Snoqualmie 2 (38.7 MW, Hydro), and Cedar Falls (30 MW, Hydro). The facility is located in Washington State, approximately 65 km east of Seattle.

Capacity
16.8 MW
Commissioning Year
1995

31 years old

Owner
City of Seattle - (WA)
Location
47.6992°, -121.7833°

United States of America, North America

Context & rankings
  • 4,224. largest of 10,098 plants in United States of America
  • #20,726 worldwide by installed capacity
  • #4,751 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

31 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

City of Seattle - (WA) operates 7 plants totalling 2,007 MW

Regional density

29 plants within 100 km, 1,398 MW combined

Nearest plant: Youngs Creek Hydroelectric Project (10.4 km)

Location

Coordinates:: 47.699200, -121.783300
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Carbon Footprint

Zero Direct Emissions

South Fork Tolt is a hydro power plant producing approximately 59 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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