1. Short title This Act may be cited as the Nuclear Plant Decommissioning Act of 2020 . 2. Post-shutdown decommissioning activities reports (a) In general Chapter 10 of title I of the Atomic Energy Act of 1954 ( 42 U.S.C. 2131 et seq.) is amended by adding at the end the following: 113. Post-shutdown decommissioning activities reports a. Definitions In this section: (1) Affected State The term affected State means— (A) the host State of a covered facility; and (B) each State located within 50 miles of a covered facility. (2) Commission The term Commission means the Nuclear Regulatory Commission. (3) Covered facility The term covered facility means a facility of a licensee for which a PSDAR is required. (4) Covered material The term covered material means— (A) high-level radioactive waste; (B) spent nuclear fuel; (C) transuranic waste; (D) byproduct material that meets the requirements of section 11 e. (2); and (E) any other nuclear or radioactive waste or material for which the Commission determines that a material change by the licensee in the manner of handling, storing, or disposing of that waste or material should be preceded by consultation under subsection b. (5) Covered PSDAR The term covered PSDAR means— (A) the initial PSDAR for a covered facility; and (B) any subsequent PSDAR for a covered facility in which the licensee proposes, as determined by the Commission— (i) a significant update to the decommissioning strategy; or (ii) a material change in the manner in which covered material is handled, stored, or disposed of. (6) Host State The term host State means the State in which a covered facility is located. (7) License