Mont. Code Ann. § 90-4-1103
Authority to enter into energy performance contracts
90-4-1103 . Authority to enter into energy performance contracts. (1) A governmental entity may enter into an energy performance contract. A governmental entity that enters into an energy performance contract shall do so in accordance with this part.
(2) Nothing in this part prevents a governmental entity from entering into a contract that is not an energy performance contract for conservation measures under any other legal authority.