Duke Energy Corporation (Duke Energy) is an energy company. The Company operates through three segments: Electric Utilities and Infrastructure; Gas Utilities and Infrastructure, and Commercial Renewables. The Company operates in the United States through its direct and indirect subsidiaries. The Electric Utilities and Infrastructure segment provides retail electric service through the generation, transmission, distribution and sale of electricity to approximately 7.5 million customers within the Southeast and Midwest regions of the United States. The operations include electricity sold wholesale to municipalities, electric cooperative utilities and other load-serving entities. The Gas Utilities and Infrastructure segment serves residential, commercial, industrial and power generation natural gas customers. The Commercial Renewables primarily acquires, builds, develops and operates wind and solar renewable generation throughout the continental United States.