; (II) on-road airport vehicles and ground support equipment; (III) gate electrification; (IV) electric aircraft charging; and (V) vehicles and equipment used to transport passengers and employees between the airport and— (aa) nearby facilities owned or controlled by the airport or which otherwise directly support the functions or services provided by the airport; or (bb) an intermodal surface transportation facility adjacent to the airport; and (ii) existing energy infrastructure condition, location, and capacity, including base load and backup power, to meet the current and future electrical power demand as identified in this subparagraph; and (B) conduct airport development to improve energy efficiency, increase peak load savings at the airport, and meet future electrical power demands as identified in subparagraph (A); and (2) reimburse the airport sponsor for the costs incurred in conducting the assessment under paragraph (1)(A). (b) Grants The Secretary shall make grants to airport sponsors from amounts made available under section 48103 to assist such sponsors that have completed the assessment described in subsection (a)(1)— (1) to acquire or construct equipment that will improve energy efficiency at the airport