(4) (d) The department may enter into contracts with qualified developers for proposals to construct affordable housing, child care facilities, public school facilities, or residential mental and behavioral health care facilities, or to place renewable energy facilities on unused state-owned real property that the department has deemed suitable under subsection (4)(a) of this section, subject to available appropriations. ~~Budget request under this section must be made through the process established in section 24-37-304 (1)(c.3); except that budget request under this section may not be made through a request for a supplemental appropriation.~~ Notwithstanding section 24-82-102 (2)(a), contracts between the state and qualified developers may not require improvements constructed on state property for the purposes of this section to become the property of the state upon termination of a lease for such property.