§11–207.

    (a)    The sales and use tax does not apply to:

        (1)    a sale of electricity, steam, or artificial or natural gas for use in residential condominiums;

        (2)    a sale of electricity, steam, or artificial or natural gas that is delivered under a residential or domestic rate schedule on file with the Public Service Commission;

        (3)    a sale of coal, firewood, heating oil, or propane gas or similar liquefied gas for use in residential property that contains not more than 4 units, cooperative housing, condominiums, or other similar residential living arrangements;

        (4)    a sale of electricity through 3 or more bulk meters for use in a nonprofit planned retirement community of more than 2,000 housing cooperative or condominium units if:

            (i)    ownership of units is restricted by age;

            (ii)    any unit is served by an individual meter; and

            (iii)    on or before July 1, 1979, at least 3 bulk meters served the community; or

        (5)    a sale of electricity generated by solar energy equipment or residential wind energy equipment, as defined under § 11–230 of this subtitle, for use in residential property owned by an eligible customer–generator under § 7–306 of the Public Utilities Article.

    (b)    The sales and use tax does not apply to a sale of wood, wood bark or residue, or refuse-derived fuel used for heating purposes.