Hunton Andrews Kurth LLP advised Duke Energy Carolinas, LLC (the “Company”) on SEC-registered offerings of (i) $400 million aggregate principal amount of First and Refunding Mortgage Bonds, 4.65% Series due 2031, (ii) $1 billion aggregate principal amount of First and Refunding Mortgage Bonds, 5.15% Series due 2036 and (iii) $1 billion aggregate principal amount of First and Refunding Mortgage Bonds, 5.75% Series due 2056.

The Company, a North Carolina limited liability company and a wholly-owned subsidiary of Duke Energy Corporation, is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina. The Company’s service area covers approximately 24,000 square miles and supplies electric service to approximately 3 million residential, commercial and industrial customers. As of December 31, 2025, the Company’s asset portfolio included approximately 20,901 megawatts of owned generation capacity, 111,000 miles of distribution lines and 13,100 miles of transmission lines.

The Hunton team included Peter K. O’Brien, Brendan P. Harney, Reuben H. Pearlman and Monika M. Dziewa. Robert McNamara, William Freeman and David Kamins provided tax advice.