Ohio Revised Code Title XLIX. Public Utilities § 4906.21

(1) “Applicant” means an applicant for a certificate, or a material amendment to an existing certificate, from the power siting board to construct, operate, or maintain a utility facility, and includes any subsequent person to whom the certificate is transferred.

(2) “Material amendment” and “utility facility” have the same meanings as in section 303.57 of the Revised Code.