Ohio Revised Code Title XLIX. Public Utilities § 4906.103

If a board of county commissioners has adopted a resolution which limits the boundaries of the proposed utility facility to a smaller geographic area of the county, completely within what was proposed by the applicant, as described in section 303.62 of the Revised Code, the power siting board shall not grant a certificate or material amendment that includes an area outside of the geographic area approved by the board of county commissioners of the county in which the utility facility is to be located.