; (B) receive approval of such classification from the Administrator; and (C) designate a representative as required under section 727(b). (3) Approval Not later than 90 after receipt of a notification under paragraph (2)(A), the Administrator shall notify the applicable generator whether the Administrator approves or disapproves the classification of such generator as a qualified electric facility. (4) Classification If a generator elects to be classified as a qualified electric facility pursuant to this subsection, such classification shall remain in effect unless the facility produces no electricity over the previous calendar year. (b) Voluntary program participation as a qualified thermal facility (1) In general A generator that produces thermal energy with a rated fuel-based capacity of less than 50,000,000 British thermal units on a higher heating value basis per hour may, in accordance with this subsection, elect to be classified as a qualified thermal facility for purposes of this title. (2) Qualification In order for a generator that produces thermal energy with a rated fuel-based capacity of less than 50,000,000 British thermal units on a higher heating value basis per hour to be classified as a qualified thermal facility, the facility shall— (A) have a rated fuel-based capacity of no less than 2,000,000 British thermal units on a higher heating value basis per hour; (B) submit a notification to the Administrator of the intention of the generator to elect to be classified as a qualified thermal facility; (C) receive approval of such classification from the Administrator; (D) report annually to the Administrator relevant information collected on type, quality, and quantity of fuel used for onsite useful thermal energy output production, the quantity of useful thermal energy output, and the quantity of associated greenhouse gas emissions under section 713