Amends 42 U.S.C. 3231(f)(1) by striking existing text and inserting new text (new inserted text not provided in section).

Amends 42 U.S.C. 3149(e)(2)(A) by inserting additional text after the specified location (inserted text not provided in section).

Adds a new paragraph (5) to 42 U.S.C. 3144(c) establishing that certain grants to nuclear host communities that are small, rural, or disadvantaged communities may receive a 100 percent Federal share and defining key terms.

Chapter 10 of title I of the Atomic Energy Act (42 U.S.C. 2131 et seq.) is amended by adding a new section 113 ('Post-shutdown decommissioning activities reports') at the end of the chapter, creating statutory requirements for PSDAR consultation, public participation, host State input, decision document deadlines, and related procedures.

Redesignates subsection f of section 103 as subsection e (technical/conforming amendment).

Strikes the existing section designation and specified text in section 111 and inserts revised text under a heading 'Licensing by Nuclear Regulatory Commission of distribution of certain materials by Department of Energy', changing the statutory language of section 111 (technical/conforming amendment to the licensing provisions).