World Power Plants

Long Lake is a 70 MW hydroelectric power plant in the United States, operated by Avista Corp and commissioned in 1918. Ranked #260 of 1,469 hydro plants in the United States. Its 70 MW represents 0.06% 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 Long Lake 97.3 times smaller. Nearby plants within 50 km include Little Falls (WA) (43.2 MW, Hydro), Nine Mile (37.6 MW, Hydro), and Spokane Waste to Energy (26 MW, Waste). The facility is located in Washington, approximately 30 km from Spokane.

Capacity
70 MW
Commissioning Year
1918

108 years old

Owner
Avista Corp
Location
47.8344°, -117.8361°

United States of America, North America

Context & rankings
  • 2,591. largest of 10,098 plants in United States of America
  • #11,708 worldwide by installed capacity
  • #2,758 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

108 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Avista Corp operates 13 plants totalling 1,623 MW

Regional density

20 plants within 100 km, 14,562 MW combined

Nearest plant: Little Falls (WA) (6.2 km)

Location

Coordinates:: 47.834400, -117.836100
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Carbon Footprint

Zero Direct Emissions

Long Lake is a hydro power plant producing approximately 245 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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