As used in this act:
a. "Solar energy" means energy which has recently originated in the sun, including direct and indirect solar radiation and intermediate solar energy from such as wind and sea thermal gradients;
b. "Solar energy system" means any system which uses solar energy to provide all or a portion of the heating, cooling, or general energy needs of a building through, but not limited to, such means as nocturnal heat radiation, evaporation cooling towers, flat plate or focusing solar collectors, photovoltaic solar cells or windmills;
c. "Commissioner" means the State Commissioner of Community Affairs;
d. "Enforcing agency" means the enforcing agency in any municipality provided for under the State Uniform Construction Code Act, P.L.1975, c. 217 (C. 52:27D-119 et seq.) and regulations promulgated thereunder;
e. "Board of appeals" means the municipal or county board provided for under the State Uniform Construction Code Act and regulations promulgated thereunder.