Duke Energy (NYSE: DUK), a Fortune 150 company headquartered in Charlotte, N.C., is one of the largest energy holding companies in the U.S. It employs 30,000 people with an electric generating capacity of 51,000 megawatts through its regulated utilities, and 3,000 megawatts through its nonregulated Duke Energy Renewables unit. Duke Energy is transforming its customers’ experience, modernizing the energy grid, generating cleaner energy and expanding natural gas infrastructure to create a smarter energy future for its customers and communities. The company’s regulated utilities serve approximately 7.7 million retail electric customers in six states – North Carolina, South Carolina, Florida, Indiana, Ohio and Kentucky. The gas utilities distribute natural gas to more than 1.6 million customers in North Carolina, South Carolina, Tennessee, Ohio and Kentucky. Learn more here.