Article: Avista plans big upgrade at Noxon dam

Avista Utilities will start work in July on the first of four generator upgrades at its Noxon Rapids Dam, located on the Clark Fork River in Montana, that are expected to cost a total of $35 million.

Each of the four generators, which were installed in 1958 and 1959 when the dam was built, will have a rated capacity to produce 5 percent to 6 percent more electricity after the upgrades, says John Hamill, Avista's manager of hydro engineering, generation, and production. The generators now have capacity to produce 105 megawatts of power, and the upgraded units will have capacity to generate 112 megawatts. A megawatt of electricity will serve 750 homes.

The company will upgrade one generator a ...

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