Any municipal corporation owning a municipal gas plant or system of gas distribution may purchase gas and furnish it to such municipal corporation and the inhabitants thereof for the purpose of light, power, and heat. Any municipal corporation may contract to purchase such gas through its appropriate boards or officers for any period, not exceeding ten years, upon the legislative authority of such municipal corporation authorizing and directing the contract to be made. The board or officer may enter into such contract after being so authorized, without advertisement or competitive bidding, irrespective of the amount of money to be expended. Any such municipal corporation may supply to its inhabitants any gas, natural or artificial, so purchased, on such terms and under such regulations as are determined by the proper officers and authorities of the municipal corporation.
R.C. §715.07