1. Short title This Act may be cited as the Advanced Nuclear Support Act . 2. Advanced Nuclear Technologies Federal Financial Assistance Program Section 10781 of the Public Law 117–167 is amended— (1) by striking RESEARCH, DEVELOPMENT, AND DEMONSTRATION and inserting FINANCIAL ASSISTANCE ; (2) in subsection (b)(1)— (A) by striking to support and inserting to support— ; and (B) by striking the research, development, and demonstration of advanced nuclear reactors. and inserting the following: (A) the research, development, and demonstration of advanced nuclear reactors; and (B) the commercial planning for, and licensing and construction of, advanced nuclear reactors, and supply chain infrastructure associated with advanced nuclear reactors, including— (i) planning for, and licensing and construction of, transmission and distribution systems; (ii) modernization of generation facilities; (iii) development of microgrids; (iv) planning for, and licensing and construction of, infrastructure for nonelectric applications; and (v) acquisition of relevant rights-of-way. ; (3) in subsection (d)(1), by striking , including multi-unit facilities that are partially shut down and inserting (including multi-unit facilities that are partially shut down), including projects involving analysis, planning, and, as appropriate, management of environmental issues at such fossil fuel electric generation facilities ; (4) in subsection (d)— (A) in paragraph (1)— (i) in subparagraph (A), by striking and after the semicolon; (ii) in subparagraph (B), by inserting and after the semicolon; and (iii) by adding at the end the following: (C) to reduce the cost of— (i) infrastructure requirements; (ii) transmission requirements; and (iii) licensing and permitting requirements; ; (B) in paragraph (2)(G), by striking and ; (C) in paragraph (3), by striking relating to the research, development, and demonstration of advanced nuclear reactors. and inserting described in this section;