As used in this subchapter:
(1) “Bonds” means all bonds, notes, certificates, financing leases, or other interest-bearing instruments or evidences of indebtedness that are issued under this subchapter;
(2) “Energy efficiency project” means an improvement, repair, alteration, or renovation of a new building design or an existing building or facility owned or operated by a state entity or any equipment, fixture, or furnishing to be added to or used in a building or facility owned or operated by a state entity that is designed to reduce energy consumption or operating costs; and
(3) “State entity” means: The state; and
(4) An agency, board, commission, or instrumentality of the state.