(a) A governmental entity legally authorized to issue general revenue bonds may create a property assessed energy improvement district by adoption of an ordinance.
(b) A combination of governmental entities may create a district by each governmental entity:
(1) Adopting an ordinance that provides for the governmental entity's participation in the district; and
(2) Entering into a joint agreement with one (1) or more other participating governmental entities.
(c) This section shall not limit additional governmental entities from becoming members of the district under § 8-15-106.