Duke Energy is an energy holding company that provides electric utility infrastructure solutions. It operates in two business segments: Electric Utilities and Infrastructure (EU&I) and Gas Utilities and Infrastructure (GU&I). The EU&I segment provides generation, transmission, distribution, and retail electric services to municipalities, electric cooperative utilities, and other load-serving entities. The GU&I segment offers natural gas distribution services to residential, commercial, industrial, and power generation customers. The company also delivers gas line repair, heating and cooling, home wiring, water heater repair, and other services.