Ohio Revised Code Title XLIX. Public Utilities § 4928.643

(A) Except as provided in division (B) of this section and section 4928.644 of the Revised Code, the baseline for an electric distribution utility's or an electric services company's compliance with the qualified renewable energy resource requirements of section 4928.64 of the Revised Code shall be the average of total kilowatt hours sold by the utility or company in the preceding three calendar years to the following:

(B) Beginning with compliance year 2014, a utility or company may choose for its baseline for compliance with the qualified renewable energy resource requirements of section 4928.64 of the Revised Code to be the total kilowatt hours sold to the applicable consumers, as described in division (A)(1) or (2) of this section, in the applicable compliance year.

(C) A utility or company that uses the baseline permitted under division (B) of this section may use the baseline described in division (A) of this section in any subsequent compliance year. A utility or company that makes this switch shall use the baseline described in division (A) of this section for at least three consecutive compliance years before again using the baseline permitted under division (B) of this section.