Regulated Utilities

Who We Are

Duke Energy offers energy services to approximately 7.4 million customers in the Carolinas, Florida, Ohio, Kentucky and Indiana, and retail natural gas services to more than 1.5 million customers in the Carolinas, Ohio, Kentucky and Tennessee.

Our fleet of power plants has approximately 50,200 megawatts of generating capacity from a variety of fuel sources  from hydroelectric to coal, oil and natural gas to nuclear.

In October 2016, Duke Energy acquired Piedmont Natural Gas, which operates as a business unit of the company. Piedmont’s customers are now combined with Duke Energy’s existing customer base and Tennessee is now one of our state territories. More information about the transaction is available in the press release about the acquisition.

  • Duke Energy Carolinas is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina.

    Duke Energy Carolinas’ service area covers approximately 24,000 square miles and supplies electric service to 2.5 million residential, commercial and industrial customers.

    Owned summer generation capacity: 19,600 MW
  • `
    Duke Energy Progress is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of North Carolina and South Carolina. 

    Duke Energy Progress’ service area covers approximately 32,000 square miles and supplies electric service to approximately 1.5 million residential, commercial and industrial customers.

    Owned summer generation capacity: 12,900 MW
  • Duke Energy Florida is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of Florida. 

    Duke Energy Florida’s service area covers approximately 13,000 square miles and supplies electric service to approximately 1.7 million residential, commercial and industrial customers.

    Owned summer generation capacity: 9,100 MW

  • Duke Energy Indiana is a regulated public utility primarily engaged in the generation, transmission, distribution and sale of electricity in portions of Indiana. 

    Duke Energy Indiana’s service area covers 23,000 square miles and supplies electric service to 810,000 residential, commercial and industrial customers.

    Owned summer generation capacity: 7,500 MW
  • Duke Energy Ohio is a regulated public utility primarily engaged in the transmission and distribution of electricity in portions of Ohio and Kentucky, in the generation and sale of electricity in portions of Kentucky, and the transportation and sale of natural gas in portions of Ohio and Kentucky.

    Duke Energy Ohio’s service area covers approximately 3,000 square miles and supplies electric service to approximately 840,000 residential, commercial and industrial customers and provides transmission and distribution services for natural gas to approximately 525,000 customers. 

    Owned summer generation capacity: 1,000 MW*

    *Unless specifically noted​, all data is as of Dec. 31, 2016.​

  • Map of Piedmont Service Territory
    Piedmont Natural Gas, a business unit of Duke Energy, is the trusted natural gas provider for residential and business customers in North Carolina, South Carolina and Tennessee. Call us at 800.752.7504 or complete the form on our Contact Us page and a representative will contact you.