"Duke Energy, headquartered in Charlotte, North Carolina, is the largest electric power holding company in the United States, with assets also in Canada and Latin America."@en . . "4.98E9"^^ . . . . . . . . . "Duke Energy Corporation"@en . . . "2.68E9"^^ . "1.1478E11"^^ . . "1904Z"^^ . . . . "29250"^^ . . . . "4.141E10"^^ .