World Power Plants

Snoqualmie is a 12.8 MW hydroelectric power plant in the United States, operated by Puget Sound Energy Inc since 1959. Ranked #596 of 1,469 hydro plants in the United States. Its 12.8 MW accounts for 0.01% 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 Snoqualmie 532.64 times smaller. Nearby plants include H M Jackson (111.8 MW, Hydro), Snoqualmie 2 (38.7 MW, Hydro), and Cedar Falls (WA) (30 MW, Hydro). The facility is located in Washington, approximately 40 km east of Seattle.

Capacity
12.8 MW
Commissioning Year
1959

67 years old

Owner
Puget Sound Energy Inc
Location
47.5401°, -121.8370°

United States of America, North America

Context & rankings
  • 4,505. largest of 10,098 plants in United States of America
  • #22,248 worldwide by installed capacity
  • #5,138 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

67 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Puget Sound Energy Inc operates 17 plants totalling 2,958 MW

Regional density

31 plants within 100 km, 1,115 MW combined

Nearest plant: Snoqualmie 2 (0.6 km)

Location

Coordinates:: 47.540100, -121.837000
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Carbon Footprint

Zero Direct Emissions

Snoqualmie is a hydro power plant producing approximately 45 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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