Ohio Revised Code Title XLIX. Public Utilities § 4928.86

(A) Except as provided in division (C) of this section, each public utility, as defined in section 4905.02 of the Revised Code, that owns or controls transmission facilities located in this state and is not a regional transmission organization shall create a heat map that includes both of the following:

(B) If a heat map created under this section is not critical electric infrastructure information, then the utility that created the map shall publish the map on the utility's web site.