necessary for the proper operation of the electric power transmission line described in paragraph (2) or (3) of subsection (d) or for the proper operation of any property described in subsection (d)(2). (2) Grid enhancing technology property The term grid enhancing technology property means power flow controls and transmission switching equipment, storage technology, and hardware or software that enables dynamic line ratings, advanced line rating management technologies, on new or existing transmission property for the purpose of enhancing the capacity, efficiency, resiliency, or reliability of an electric power transmission system and such other similar property determined by the Secretary, in consultation with the Secretary of Energy. (f) Increased credit amount for certain transmission line property (1) In general In the case of any qualifying electric power transmission line property which meets the requirements of paragraph (2), the amount of credit determined under subsection (a) (determined without regard to this subsection) shall be equal to such amount multiplied by 5. (2) Facility requirements Qualifying electric power transmission line property shall be treated as meeting the requirements of this paragraph if— (A) the construction of such property meets rules similar to the rules of section 48(a)(10) (relating to prevailing wage requirements) and section 45(b)(8) (relating to apprenticeship requirements), or (B) the construction of such property begins before the date that is 60 days after the Secretary publishes guidance with respect to the requirements under subparagraph (A). (g) Termination This section shall not apply to any property the construction of which begins after December 31, 2033. . (b) Public utility property Paragraph (2) of section 50(d) of the Internal Revenue Code is amended— (1) by striking (as defined in section 48(c)(6)) and inserting (as defined in section 48(c)(6), except that subparagraph (D) of such section shall not apply) or any qualifying electric power transmission line