Notwithstanding the provisions of § 56-232, the Commission shall regulate, to the same extent as it regulates other public utility service, the utility service furnished to any federal, state or local governmental facility by a natural gas distribution company for which a service area has been determined by the Federal Energy Regulatory Commission, or its predecessor, under Section 717(f)(1) of the Natural Gas Act, 15 U.S.C. § 717 et seq.