Ohio Rev. Code § 4933.87
Nothing contained in sections 4933.81 to 4933.90 of the Revised Code shall be construed to affect the right of municipal corporations to generate, transmit, distribute, or sell electric energy. The rights and powers of municipal corporations as they exist on or after the effective date of this section to acquire, construct, own, lease, or operate in any manner a public utility or to supply the service or product by means of a rate ordinance adopted under section 743.26 of the Revised Code or under Section 4, Article XVIII, Ohio Constitution in any portion of the state is not affected by sections 4933.81 to 4933.90 of the Revised Code. When an electric system owned by a municipal corporation is sold, the purchaser thereof shall be considered an electric supplier and the area served by the system shall become the certified territory of the purchaser. An electric supplier whose certified territory also includes any portion of such service area shall have the right and obligation to continue providing electric service within its previously established certified territory and the sale of a municipal corporation's electric system shall not in any respect restrict or limit such right and obligation. The purchaser shall, for the purposes of sections 4933.81 to 4933.90 of the Revised Code, be an electric supplier.
R.C. § 4933.87