30 ILCS 725/2.1

(a) There is created the Illinois Comprehensive Solar Energy Program, hereinafter referred to as the Program, elements of which are specified in Sections 2.1 through 8.2 of this Act. (b) Primary authority and responsibility for the supervision and implementation of the Program is vested in the Department. (c) The Director of the Department shall carry out the Program and shall accept, receive, expend, and administer for the benefit of the People of this State any gifts, grants, legacies, or other funds or monies made available from either public or private sources. (d) The Department shall acquire and collect information; shall represent the State before all agencies, governmental bodies, or commissions; and shall promulgate necessary regulations.