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Noxon RapidsNoxon Rapids Development

Capable of meeting the annual energy needs of 130,000 households, Noxon Rapids possesses the largest generating capacity of any of Avista's eight hydroelectric developments, and boasts the second-largest generating capability of any hydro plant in the entire state of Montana. Approximately 700 feet wide at the base, the dam contains over 500,000 yards (equivalent to 50,000 full mixer truckloads) of concrete!

Located on the Clark Fork River, the development lies about 20 miles upstream of Avista's Cabinet Gorge HED. When the development was completed in 1959, the energy produced there nearly doubled the company's generating capability.

The Noxon reservoir and surrounding lands contribute to many recreational opportunities, ranging from boating and backpacking in the summer, to cross-country skiing and snowmobiling in the winter. In cooperation with local communities and agencies such as the U.S. Forest Service and Montana Fish, Wildlife, and Parks, Avista has helped develop and improve many recreation sites in the area. Through these partnerships, the project reservoir's fish, wildlife, and recreational benefits have been greatly enhanced. In fact, the Noxon reservoir is one of the top bass fisheries in the state of Montana; numerous tournaments are held there each year.

  • Licensed Generating Capacity: 466 Megawatts
  • Height of Dam: 260 Feet
  • Generating Units: 5 Francis turbines
  • Storage: 75,000 top 10 acre feet
  • Minimum Flow: None

 

 
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