OH HB401

Requires wind farm certificate applications to include wind turbine manufacturer's safety specifications and recommended setback distances

Establishes minimum wind turbine setback of 1.1 times the turbine's total height or 1,125 feet (whichever is greater), or the manufacturer's recommended distance, whichever is greater

Permits township residents to file referendum petitions to require voter approval of economically significant or large wind farm certificates, with petitions requiring signatures from at least 8% of voters in the unincorporated township area

Allows wind farm certificates to become invalid or be modified if rejected by referendum voters, depending on whether the project spans one or multiple townships

Applies referendum requirements to certain certificate amendments that add turbines, increase turbine height or base diameter, or change turbine locations