and (C) by adding at the end the following: (ix) the basis of any hydropower improvement property under section 48F. . (3) Section 50 of such Code is amended— (A) in subsection (a)(2)(E), as amended by section 13702(b) of Public Law 117–169 , by striking or 48E(e) and inserting 48E(e), or 48F(b) , and (B) in subsection (d)(2)— (i) in the matter preceding subparagraph (A), by inserting or any hydropower improvement property (as defined in section 48F(c)) after any energy storage technology (as defined in section 48(c)(6)) , and (ii) in subparagraph (B), by striking energy storage technology each place it appears and inserting energy storage technology or hydropower improvement property . (4) The table of sections for subpart E of part IV of subchapter A of chapter 1 of such Code is amended by inserting after the item relating to section 48E the following new item: Sec. 48F. Credit for maintaining and enhancing hydroelectric facilities. . (d) Effective date The amendments made by this section shall apply to property placed in service after December 31, 2022.