Ohio Rev. Code Ann. § 4928.01
(A) As used in this chapter:
(31) "Net metering system" means a facility for the production of electrical energy that does all of the following:
(34) "Advanced energy resource" means any of the following:
(37)
(a) "Renewable energy resource" means any of the following:
(b) As used in division (A)(37) of this section, "hydroelectric facility" means a hydroelectric generating facility that is located at a dam on a river, or on any water discharged to a river, that is within or bordering this state or within or bordering an adjoining state and meets all of the following standards:
(38) "Waste energy recovery system" means either of the following:
(a) A facility that generates electricity through the conversion of energy from either of the following: