Duke Energy Corporation is an American electric power and natural gas holding company headquartered in Charlotte, North Carolina.

Charlotte is the most populous city in the U.S. state of North Carolina and the county seat of Mecklenburg County. The population was 874,579 at the 2020 census, making Charlotte the 15th-most populous city in the United States, the seventh-most populous city in the South, and the second-most populous city in the Southeast behind Jacksonville, Florida. The city is the cultural, economic, and transportation center of the Charlotte metropolitan area, whose estimated 2023 population of 2,805,115 ranked 22nd in the United States. The Charlotte metropolitan area is part of an eighteen-county market region or combined statistical area with an estimated 2023 population of 3,387,115.