15-6-224. Nonfossil energy generation. The following portions of the appraised value of a capital investment in a recognized nonfossil form of energy generation or low-emission wood or biomass combustion devices, as defined in 15-32-102, are exempt from taxation for a period of 10 years following installation of the property:

(1) $20,000 in the case of a single-family residential dwelling;

(2) $100,000 in the case of a multifamily residential dwelling or a nonresidential structure.