; and (2) to demonstrate the costs and benefits of smart buildings. (b) Selection (1) In general The Secretary shall coordinate the selection of not fewer than 1 building from among each of several key Federal agencies, as described in subsection (d), to compose an appropriately diverse set of smart buildings based on size, type, and geographic location. (2) Inclusion of commercially operated buildings In making selections under paragraph (1), the Secretary may include buildings that are owned by the Federal Government but are commercially operated. (c) Targets Not later than 18 months after the date of enactment of this Act, the Secretary shall establish targets for the number of smart buildings to be commissioned and evaluated by key Federal agencies by 3 years and 6 years after the date of enactment of this Act. (d) Federal agency described The key Federal agencies referred to subsection (b)(1) shall include buildings operated by— (1) the Department of the Army; (2) the Department of the Navy; (3) the Department of the Air Force; (4) the Department; (5) the Department of the Interior; (6) the Department of Veterans Affairs; and (7) the General Services Administration. (e) Requirement In implementing the program, the Secretary shall leverage existing financing mechanisms including energy savings performance contracts, utility energy service contracts, and annual appropriations. (f) Evaluation Using the guidelines of the Federal Energy Management Program relating to whole-building evaluation, measurement, and verification, the Secretary shall evaluate the costs and benefits of the buildings selected under subsection (b), including an identification of— (1) which advanced building technologies— (A) are most cost-effective; and (B) show the most promise for— (i) increasing building energy savings; (ii) increasing service performance to building occupants; (iii) reducing environmental impacts; and (iv) establishing cybersecurity