; Public Law 115–439 ) is amended— (1) by striking Not later and inserting the following: (A) In general Not later ; and (2) by adding at the end the following: (B) Exclusion of fusion reactors For purposes of subparagraph (A), the term advanced reactor applicant does not include an applicant seeking a license for a fusion reactor. . 206. Regulatory issues for nuclear facilities at brownfield sites (a) Definitions (1) Brownfield site The term brownfield site has the meaning given the term in section 101 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 ( 42 U.S.C. 9601 ). (2) Production facility The term production facility has the meaning given the term in section 11 of the Atomic Energy Act of 1954 ( 42 U.S.C. 2014 ). (3) Retired fossil fuel site The term retired fossil fuel site means the site of 1 or more fossil fuel electric generation facilities that are retired or scheduled to retire, including multi-unit facilities that are partially shut down. (4) Utilization facility The term utilization facility has the meaning given the term in section 11 of the Atomic Energy Act of 1954 ( 42 U.S.C. 2014 ). (b) Identification of regulatory issues (1) In general Not later than 1 year after the date of enactment of this Act, the Commission shall evaluate the extent to which modification of regulations, guidance, or policy is needed to enable timely licensing reviews for, and to support the oversight of, production facilities or utilization facilities at brownfield sites. (2) Requirement In carrying out paragraph (1), the Commission shall consider how licensing reviews for production facilities or utilization facilities at brownfield sites may be expedited by considering matters relating to siting and operating a production facility or a utilization facility at or near a retired fossil fuel site to support the reuse of existing site infrastructure, including— (A) electric switchyard components and transmission infrastructure; (B) heat-sink components; (C) steam cycle components