In addition to, and not in limitation of the functions delegated to the Administrator pursuant to other subsections of this section, there shall be vested in the Administrator, and he shall perform, the functions assigned to the Director of the Office of Energy Information and Analysis under part B of the Federal Energy Administration Act of 1974 [
15 U.S.C.
790 et seq.], and the provisions of sections
53
(d) and
59 thereof [
15 U.S.C.
790b
(d),
790h] shall be applicable to the Administrator in the performance of any function under this chapter.