MI HB4171

Exempts eligible wind energy conversion devices installed on residential or agricultural real property from property tax collection under Michigan's General Property Tax Act.

Defines an "eligible wind energy conversion device" as a small-scale wind energy conversion device meeting Michigan Next Energy Authority standards and certified by the U.S. Environmental Protection Agency.

Limits "small-scale" devices to those with a nameplate generating capacity of not more than 150 kilowatts.

Defines "wind energy conversion device" as mechanisms designed to collect, convert, transfer, or store wind energy for heating, cooling, or electric supply purposes, excluding parts required regardless of energy source.