As used in this part, 'solar energy system' means any device, mechanism, structure, apparatus, or part thereof, whose primary purpose is to collect solar energy and convert and store it for useful purposes including heating and cooling buildings or other energy saving processes, or to produce generated power by means of any combination of collecting, transferring, or converting solar generated energy.Acts 1979, ch. 259, § 3; T.C.A., § 64-9-203.
Tennessee Legal Code