Duke Energy Carolinas LLC closed the sale of $800 million of first and refunding mortgage bonds consisting of $450 million of 2.45% series due 2029, and $350 million of 3.20% series due 2049.

Interest on the bonds is payable every Feb. 15 and Aug. 15, starting Feb. 15, 2020. The bonds due in 2029 offer a spread of up to 82 basis points to the Treasury benchmark, while the bonds due in 2049 offer a spread of up to 110 basis points to the Treasury benchmark.

Duke Energy Carolinas plans to use net proceeds from the sale to pay down intercompany short-term debt under a money-pool borrowing arrangement with parent company Duke Energy Corp. and for general company purposes.

Barclays Capital Inc., BNP Paribas Securities Corp., PNC Capital Markets LLC and SunTrust Robinson Humphrey Inc. acted as the joint book-running managers for the transaction. BNY Mellon Capital Markets LLC, Santander Investment Securities Inc. and The Williams Capital Group LP served as co-managers while Drexel Hamilton LLC and Mischler Financial Group Inc. served as junior co-managers.