the term “agency” has the meaning given it in section 551(1) of title 5;

the term “construction” means new construction or substantial rehabilitation of existing structures;

the term “cogeneration facilities” has the same meaning given such term in section 796(18)(A) of title 16;

the term “energy conservation measures” means measures that are applied to a Federal building that improve energy efficiency and are life cycle cost effective and that involve energy conservation, cogeneration facilities, renewable energy sources, improvements in operations and maintenance efficiencies, retrofit activities, or energy consuming devices and required support structures;

the term “energy survey” means a procedure used to determine energy and cost savings likely to result from the use of appropriate energy related maintenance and operating procedures and modifications, including the purchase and installation of particular energy-related equipment and the use of renewable energy sources;

the term “Federal building” means any building, structure, or facility, or part thereof, including the associated energy consuming support systems, which is constructed, renovated, leased, or purchased in whole or in part for use by the Federal Government and which consumes energy; such term also means a collection of such buildings, structures, or facilities and the energy consuming support systems for such collection;

the term “life cycle cost” means the total costs of owning, operating, and maintaining a building over its useful life (including such costs as fuel, energy, labor, and replacement components) determined on the basis of a systematic evaluation and comparison of alternative building systems, except that in the case of leased buildings, the life cycle costs shall be calculated over the effective remaining term of the lease;

the term “renewable energy sources” includes, but is not limited to, sources such as agriculture and urban waste, geothermal energy, solar energy, and wind energy; and

the term “Secretary” means the Secretary of Energy.