N.C. Gen. Stat. § 142-63
Subject to the terms and conditions set forth in this Article, (i) a State governmental unit that is implementing an energy conservation measure pursuant to G.S. 143-64.17L and financing it pursuant to this Article, (ii) a State governmental unit that has solicited a guaranteed energy conservation measure pursuant to G.S. 143-64.17A or G.S. 143-64.17B, or (iii) the State Treasurer, as designated by the Council of State, is authorized to execute and deliver, for and on behalf of the State of North Carolina, a financing contract to finance the costs of the energy conservation measure. The aggregate outstanding amount payable by the State under financing contracts entered pursuant to this Article shall not exceed five hundred million dollars ($500,000,000) at any one time.
N.C. Gen. Stat. § 142-63