World Power Plants

Nine Mile is a 37.6 MW hydroelectric power plant in the United States of America, operated by Avista Corp since 1954. Ranked #373 of 1,469 hydro plants in the United States of America. Its 37.6 MW represents 0.03% of the total hydro capacity of 117,947 MW. The largest hydro plant in the United States of America is Grand Coulee Dam at 6,809 MW, making this facility 181.4 times smaller. Nearby plants within 50 km include Long Lake (70 MW, Hydro), Northeast (WA) (61.8 MW, Gas), and Little Falls (WA) (43.2 MW, Hydro). The facility is located in Washington, approximately 30 km northwest of Spokane.

Capacity
37.6 MW
Commissioning Year
1954

72 years old

Owner
Avista Corp
Location
47.7697°, -117.5372°

United States of America, North America

Context & rankings
  • 3,289. largest of 10,098 plants in United States of America
  • #15,566 worldwide by installed capacity
  • #3,578 of 8,493 Hydroelectric plants worldwide
Age & fleet comparison

72 years in operation

Hydroelectric fleet average: 42.1 years

Operator portfolio

Avista Corp operates 13 plants totalling 1,623 MW

Regional density

17 plants within 100 km, 919 MW combined

Nearest plant: Northeast (WA) (13 km)

Location

Coordinates:: 47.769700, -117.537200
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Carbon Footprint

Zero Direct Emissions

Nine Mile is a hydro power plant producing approximately 132 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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