Presented is an economic evaluation of several commercial wind-powered electric generation systems of the type which could be used by an individual homeowner. A system includes a wind plant, tower, storage battery, and dc to ac inverter. The analysis considered a total of 12 different system configurations. The evaluation of energy output was based on wind speed data for several locations in the state of Montana. The analysis can be extended to other locations on the basis of mean annual wind speed. The results of the evaluation indicate that some of the “home built” systems are competitive economically at the present time in some “windy” locations. None of the systems which are economic could individually supply the entire power requirement for a single-family dwelling.

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