Section 4-222 - Solar energy project(a) A project qualifies as a solar energy project if it:(1) is an addition, alteration, or improvement to a residential building or a commercial building; and(2) is designed to reduce the energy requirements of the building by using: (ii) energy from a wood-burning appliance; or(iii) solar energy of: 1. the active type based on mechanically forced energy transfer;2. the passive type based on convective, conductive, or radiant energy transfer; or3. a combination of these types.(b) A solar energy project may include: (1) a solar process heat device;(2) a solar electric device; and(3) an earth-sheltered building in which the sheltering substantially reduces the consumption of energy by the building.(c) A solar energy project may not include a fireplace, unless the fireplace is an integral part of a system designed to use passive solar energy.Amended by 2020 Md. Laws, Ch. 628,Sec. 1, eff. 5/8/2020.