1. Short title This Act may be cited as the Modernize Nuclear Reactor Environmental Reviews Act . 2. Facilitation of efficient environmental reviews (a) In general Not later than 90 days after the date of enactment of this Act, the Nuclear Regulatory Commission (in this section referred to as the Commission ) shall submit to the Committee on Environment and Public Works of the Senate and the Committee on Energy and Commerce of the House of Representatives a report on the efforts of the Commission to facilitate efficient, timely environmental reviews of nuclear reactor applications, including through expanded use of categorical exclusions, environmental assessments, and generic environmental impact statements. (b) Report In completing the report under subsection (a), the Commission shall— (1) describe the actions the Commission will take to implement the amendments to the National Environmental Policy Act of 1969 ( 42 U.S.C. 4321 et seq. ) made by section 321 of the Fiscal Responsibility Act of 2023; (2) consider— (A) using through adoption, incorporation by reference, or other appropriate means, categorical exclusions, environmental assessments, and environmental impact statements prepared by other Federal agencies to streamline environmental reviews of nuclear reactor applications by the Commission; (B) using categorical exclusions, environmental assessments, and environmental impact statements prepared by the Commission to streamline environmental reviews of nuclear reactor applications by the Commission; (C) using mitigated findings of no significant impact in environmental reviews of nuclear reactor applications by the Commission to reduce the impact of a proposed action to a level that is not significant; (D) the extent to which the Commission may rely on prior studies or analyses prepared by Federal, State, and local governmental permitting agencies to streamline environmental reviews of nuclear reactor applications by the Commission