; and (ii) sales made by the electric utility to an affiliate, lessee, or tenant of the electric utility shall not be treated as sales to electric consumers. (C) Affiliate In this paragraph, the term affiliate when used in relation to a person, means another person that directly or indirectly owns or controls, is owned or controlled by, or is under common ownership or control with, that person, as determined under regulations promulgated by the Commission. (12) Retail electric supplier's base quantity The term retail electric supplier's base quantity means the total quantity of electric energy sold by the retail electric supplier, expressed in megawatt hours, to electric customers for purposes other than resale during the relevant calendar year, excluding— (A) electricity generated by a hydroelectric facility, other than qualified hydropower