As used in ORS 305.420 and 308.408 to 308.413, “industrial plant” includes:
(1) The land, buildings, structures and improvements, and the tangible personal property, including but not limited to machinery, equipment and office machines and equipment that make up the property or complex of properties used for industrial or manufacturing purposes;
(2) Any industrial real or personal property eligible for appraisal under ORS 306.126 and the rules of the Department of Revenue; and
(3) Any real or personal property used for generating electricity, if:
(a) The property consists primarily of a generating facility primarily fueled by wood waste or other biomass fuel;
(b) The property has a maximum generating capacity of 20 megawatts; and
(c) The electricity generated by the property is consumed by the property user or is sold exclusively to an electric utility, as defined in ORS 758.505, for the utility’s distribution to utility customers.