; (2) by striking subsection (a) and inserting the following: (a) Energy and water performance requirements for Federal buildings (1) Energy requirements Subject to paragraph (3), to the maximum extent life cycle cost-effective (as defined in subsection (f)(1)), each agency shall apply energy conservation measures to, and shall improve the design for the construction of, the Federal buildings of the agency (including each industrial or laboratory facility) so that the energy consumption per gross square foot of the Federal buildings of the agency in fiscal years 2020 through 2027 is reduced, as compared with the energy consumption per gross square foot of the Federal buildings of the agency in fiscal year 2018, by the percentage specified in the following table: Percentage Fiscal Year Reduction 2020 2.5 2021 5 2022 7.5 2023 10 2024 12.5 2025 15 2026 17.5 2027 20. (2) Water requirements Subject to paragraph (3), the head of each Federal agency shall, for each of fiscal years 2020 through 2030, improve water use efficiency and management, including stormwater management, at facilities of the agency by reducing agency potable water consumption intensity (as measured in gallons per gross square foot)— (A) by 54 percent by fiscal year 2030, relative to the water consumption of the agency in fiscal year 2007