; (B) lower waste yields; (C) improved fuel and material performance; (D) increased tolerance to loss of fuel cooling; (E) enhanced reliability or improved resilience; (F) increased proliferation resistance; (G) increased thermal efficiency; (H) reduced consumption of cooling water and other environmental impacts; (I) the ability to integrate into electric applications and nonelectric applications; (J) modular sizes to allow for deployment that corresponds with the demand for electricity or process heat; and (K) operational flexibility to respond to changes in demand for electricity or process heat and to complement integration with intermittent renewable energy or energy storage; (2) a fusion reactor; and (3) a radioisotope power system that utilizes heat from radioactive decay to generate energy. 4. Report (a) Report Not later than 60 days after completing the feasibility study under section 3, the Architect of the Capitol shall submit a report to the appropriate congressional committees that outlines the findings of the feasibility study, along with the Architect’s final determination as to the whether it is feasible to retrofit the current Capitol Power Plant to encompass an advanced nuclear reactor. (b) Appropriate congressional committees defined The term appropriate congressional committees means— (1) the Committee on Energy and Commerce and the Committee on House Administration of the House of Representatives; and (2) the Committee on Energy and Natural Resources, the Committee on Environment and Public Works, and the Committee on Rules and Administration of the Senate. 5. Use of existing funds The Architect of the Capitol shall carry out this Act using funds appropriated for the Office of the Architect of the Capitol prior to the date of the enactment of this Act which remain unobligated as of such date.