1. Short title This Act may be cited as the National Security Resiliency and Sustainability Act of 2020 . 2. Resiliency and Sustainability Goals for the Department of Defense (a) In general For fiscal year 2021 and any subsequent fiscal year, the Secretary of Defense shall— (1) reduce energy intensity (measured in British thermal units per gross square foot) in buildings of the Department by 2.5 percent annually through the end of fiscal year 2027, relative to the baseline energy use in buildings of the Department in 2008 by implementing efficiency measures. (2) improve data center energy efficiency at Department facilities by— (A) ensuring the chief information officer of the Department promotes energy optimization, efficiency, and performance in data centers; (B) installing and monitoring advanced energy meters in all data centers by 2023; and (C) establishing a power usage effectiveness target of 1.2 to 1.4 for new data centers and less than 1.5 for existing data centers; (3) ensure that electric energy and thermal energy in Department buildings are comprised of clean energy, in amounts— (A) not less than 28 percent for fiscal years 2028 and 2029; (B) not less than 33 percent for fiscal years 2030 and 2031; (C) not less than 37 percent for fiscal years 2032 and 2033; (D) not less than 39 percent for fiscal years 2034 and 2035; (E) not less than 42 percent for fiscal years 2036 and 2037; and (F) not less than 45 percent for fiscal year 2038 and each year thereafter; (4) ensure that the percentage of the total amount of electric energy consumed by the Department that is clean energy is— (A) not less than 28 percent for fiscal year 2025; (B) not less than 30 percent for fiscal years 2026 and 2027; (C) not less than 33 percent for fiscal years 2028 and 2029; (D) not less than 37 percent for fiscal years 2030 and 2031; (E) not less than 40 percent for fiscal years 2032 and 2033; (F) not less than 43 percent for fiscal years 2034 and 2035; (G) not less than 46 percent for fiscal years 2036 and 2037