; and (ii) enable the establishment of a domestic industry capable of providing high-assay, low-enriched uranium for commercial and noncommercial purposes, including with respect to the needs of— (I) the Department; (II) the Secretary of Defense; and (III) the under Secretary of the National Nuclear Security Administration. (c) Definitions In this section: (1) High-assay, low-enriched uranium The term high-assay, low-enriched uranium means uranium that is enriched with the uranium-235 isotope in an assay weight that is greater than 5 percent, but less than 20 percent. (2) High-enriched uranium The term high-enriched uranium means uranium that is enriched with the uranium-235 isotope in an assay weight of 20 percent or more. . (2) Table of contents The table of contents of the Energy Policy Act of 2005 ( Public Law 109–58 ; 119 Stat. 594) is amended— (A) in the item relating to section 957, by inserting Sec. before 957 ; (B) in the item relating to section 958, by inserting Sec. before 958 ; (C) in the item relating to section 959, by inserting Sec. before 959 ; and (D) by adding after the item relating to section 959 (as amended by this paragraph) the following: Sec. 959A. Advanced nuclear fuel security program. . 307. Authorization of appropriations for loan guarantees for advanced nuclear facilities Section 1704 of the Energy Policy Act of 2005 ( 42 U.S.C. 16514 ) is amended by adding at the end the following: (c) Advanced nuclear energy facilities The Secretary is authorized to make guarantees and credit subsidies for advanced nuclear energy facilities under section 1703(b)(4) for loans of $10,000,000,000 for each of fiscal years 2021 through 2030, to remain available until expended. . 308. Expanding the production tax credit for nuclear power Section 45J of the Internal Revenue Code of 1986 is amended— (1) in subsection (a)(1), by striking 1.8 cents and inserting 2.7 cents ; (2) in subsection (b)(5)(B)(ii), by striking 6,000 megawatts and inserting 15,000 megawatts