Constitution of the State of Georgia Art. VII, § 4, ¶ XII

The General Assembly may by general law authorize state governmental entities to incur debt for the purpose of entering into multiyear contracts for governmental energy efficiency or conservation improvement projects in which payments are guaranteed over the term of the contract by vendors based on the realization of specified savings or revenue gains attributable solely to the improvements; provided, however, that any such contract shall not exceed ten years unless otherwise provided by general law.