; and (B) the Secretary of Homeland Security; and (2) not later than December 31, 2023, enter into at least 1 agreement to purchase power from a commercial nuclear reactor. (c) Factors for consideration (1) In general In carrying out this section, the Secretary shall give special consideration to power purchase agreements for first-of-a-kind or early deployment nuclear technologies that can provide reliable and resilient power to high-value assets for national security purposes or other purposes as the Secretary determines to be in the national interest, especially in remote off-grid scenarios or grid-connected scenarios that can provide capabilities commonly known as islanding power capabilities during an emergency scenario. (2) Effect on rates An agreement to purchase power under this section may be at a rate that is higher than the average market rate, if the agreement fulfills an applicable consideration described in paragraph (1). . (b) Table of contents The table of contents of the Energy Policy Act of 2005 ( Public Law 109–58 ; 119 Stat. 594) is amended by inserting after the item relating to section 639 the following: Sec. 640. Long-term nuclear power purchase agreement pilot program. . 4. Advanced nuclear reactor research and development goals (a) In general Subtitle E of title IX of the Energy Policy Act of 2005 ( 42 U.S.C. 16271 et seq.) is amended by adding at the end the following: 958. Advanced nuclear reactor research and development goals (a) Definitions In this section: (1) Advanced nuclear reactor The term advanced nuclear reactor means— (A) a nuclear fission reactor, including a prototype plant (as defined in sections 50.2 and 52.1 of title 10, Code of Federal Regulations (or successor regulations)), with significant improvements compared to the most recent generation of fission reactors, including improvements such as— (i) additional inherent safety features; (ii) lower waste yields; (iii) improved fuel performance; (iv) increased tolerance to loss of fuel cooling; (v) enhanced reliability