Ohio Rev. Code § 307.04: Light, heat, and power contracts.

The board of county commissioners may, at any time before or after the completion of any county building, award contracts for supplying such building with light, heat, or power for any period of time not exceeding ten years, except a contract entered into under section 9.48 of the Revised Code may exceed ten years. Sections 5705.41 and 5705.44 of the Revised Code shall not apply to any such contracts.