What Services Does Duke Energy Provide?

Duke Energy is one of the largest electric power holding companies in the United States. They are headquartered in Charlotte, North Carolina and provide electricity and natural gas service to approximately 7.4 million retail customers in Florida, North Carolina, South Carolina, Ohio, Kentucky and Indiana. Duke Energy has roots dating back to the 1800s and was known as Duke Power until 2006 when it acquired Cinergy to become Duke Energy. The company has approximately 27,000 employees focused on providing affordable, reliable energy to customers and communities while also working to transition to more sustainable energy sources.

Electricity Generation

Duke Energy operates power plants across multiple states to generate electricity for its customers. The company has a diverse mix of generation sources including coal, natural gas, nuclear, hydroelectric, solar, and wind. This allows Duke Energy to reliably meet electricity demand while balancing costs and environmental impacts.

Coal power plants make up the largest portion of Duke Energy’s generation capacity. The company operates coal plants in the Carolinas, Indiana, Kentucky, and Ohio. Coal provides a low-cost, stable source of electricity, though it produces higher emissions than other fuel sources. Duke Energy is adding emission control systems to reduce air pollutants at its coal plants.

Natural gas is an increasingly important part of Duke Energy’s generation mix. The company operates combined-cycle natural gas plants that utilize waste heat to achieve high efficiency. Simple cycle gas turbines can also ramp up quickly to meet periods of peak demand. New gas plants are helping to replace retiring coal plants in a cost-effective way while lowering emissions.

Nuclear energy provides over 10% of the electricity generated by Duke Energy. The company owns and operates nuclear plants in the Carolinas and Florida. Nuclear offers reliable baseload electricity with zero air emissions. Duke Energy’s nuclear fleet has delivered strong performance for decades.

Hydroelectricity, solar, and wind make up a small but growing share of Duke Energy’s renewable generation. The company owns and operates hydroelectric dams and has installed over 3,000 megawatts of solar capacity. Duke Energy is also contracting for wind power and developing more utility-scale solar sites across its service regions.

Electricity Transmission

Duke Energy operates and maintains thousands of miles of electricity transmission lines and towers across its service territories. These high-voltage transmission lines, ranging from 115kV to 765kV, efficiently move large amounts of electricity from power generation plants to substations near demand centers.

Investments in transmission infrastructure ensure electricity can be delivered reliably to homes and businesses. Upgrades to the transmission system also enable greater integration of renewable energy like solar and wind onto the power grid. Smart grid technologies help monitor and control the flow of electricity across the transmission network.

Duke Energy coordinates transmission planning and operations across multiple states. By sharing electricity resources between operating companies and optimizing the entire transmission system, Duke Energy can keep the lights on for customers during even the highest demand periods.

Electricity Distribution

Duke Energy operates one of the largest electricity distribution systems in the United States, delivering power to customers in six states. The company maintains approximately 129,000 miles of distribution lines and over 1,000 electricity substations across its service territories.

Distribution lines carry lower voltage electricity from high voltage transmission lines and substations to homes and businesses. Duke Energy continually monitors and upgrades its distribution system to improve reliability. It has invested significantly in smart grid technology, including automated meters, outage detection systems, and advanced transformers and switches. These upgrades provide greater visibility into outages and allow for more precise, faster service restoration.

Smart grid enhancements also enable advanced analytics to optimize power flows and use predictive maintenance to reduce equipment failures. Together with ongoing tree trimming and inspections, Duke Energy’s distribution investments help reduce the frequency and duration of power outages while meeting growing energy demands across its service area.

duke energy owns and operates an electricity distribution system with 129,000 miles of lines to deliver power to customers.

Retail Electric Service

Duke Energy provides retail electric service to residential, commercial, and industrial customers across its service territories. The company serves approximately 7.8 million electric retail customers in six states in the Southeast and Midwest United States.

For residential customers, Duke Energy offers programs to help manage electricity usage and bills. This includes budget billing to even out payments, energy audits to find savings, and financial assistance for qualifying low-income customers. Duke also has time-of-use and real-time pricing plans to incentivize off-peak usage.

For commercial and industrial customers, Duke Energy works to meet their unique energy needs. This includes tailored pricing plans, incentives for energy efficiency upgrades, and programs to manage demand during peak hours. Duke also offers guidance on renewable energy options, electric vehicle charging, and other emerging technologies that businesses may want to utilize.

Across all customer types, Duke Energy provides tools to track usage, pay bills, report outages, and access customer support. This includes online accounts, mobile apps, automated phone systems, and customer service agents. Duke Energy aims to deliver reliable, affordable energy tailored to each customer’s needs.

Natural Gas Service

In addition to providing electricity, Duke Energy also has a natural gas business serving customers in Ohio, Kentucky, Tennessee, and the Carolinas. The company operates and maintains natural gas transmission and distribution pipelines across its service territories.

For natural gas transmission, Duke Energy owns and operates systems of interconnected pipelines across thousands of miles to transport gas from supply areas to local distribution companies and power plants. The transmission system connects to interstate pipelines as well as underground storage fields.

For distribution, Duke Energy delivers natural gas to residential, commercial, and industrial customers through a network of smaller pipelines. The distribution system brings gas from interstate pipelines and storage facilities to individual homes and businesses.

Major service areas for Duke Energy’s natural gas business include southwest Ohio, northern Kentucky, western North Carolina, upstate South Carolina, and the Piedmont and Coastal Plains regions of North Carolina. The company continuously invests in expanding and upgrading its gas infrastructure to improve reliability.

Renewable Energy

Duke Energy is increasingly investing in renewable energy sources like solar, wind and hydroelectric power to diversify its energy portfolio. Renewable energy provides sustainable and clean electricity generation with minimal environmental impact.

Solar Energy

Duke Energy has installed over 1,500 megawatts of solar capacity in North Carolina, including utility-scale solar farms as well as rooftop solar panels. Major solar facilities include the Monroe Solar Site in Union County and the Hot Springs Solar Station in Madison County. Duke offers rebate programs to encourage residential customers to install rooftop solar panels.

Wind Energy

The company owns and operates over 20 wind farms across the United States with a total capacity of over 2,900 megawatts. Notable wind projects include the Los Vientos wind farm in Texas and the Shoreham wind farm in New York. Duke Energy is one of the top renewable energy providers in the country.

Hydroelectric Power

Duke Energy operates over 40 hydroelectric stations capable of generating over 3,000 megawatts of electricity. Major facilities include the Tuckertown Hydro Station and Falls Dam on the Yadkin River in North Carolina. Hydropower provides clean, renewable energy by utilizing the flow of water to generate electricity.

Energy Efficiency Programs

Duke Energy offers a variety of energy efficiency programs to help customers reduce their energy usage and save money on their monthly bills. These programs provide rebates, home energy audits, and tips to increase the efficiency of lighting, HVAC systems, appliances, and even entire homes.


Duke offers rebates to customers who purchase and install qualifying energy efficient products and appliances in their homes. This includes rebates for:

  • LED light bulbs
  • Smart thermostats
  • Energy efficient air conditioners and heat pumps
  • Insulation and air sealing
  • High efficiency water heaters
  • And more

Home Energy Audits

Duke provides home energy audits to help customers understand where their home is losing energy and how they can improve efficiency. During an audit, a technician will do a thorough inspection of the home, evaluating areas like insulation, air leaks, heating/cooling systems, appliances, lighting, water heating and more. Customers receive a detailed report with recommendations for energy savings.

Tips for Efficiency

Duke offers many tips and advice to help customers use energy more efficiently day-to-day. This includes guidance on:

  • Properly setting thermostats to maximize savings
  • Sealing air leaks around windows and doors
  • Using energy efficient settings on appliances and electronics
  • Switching to LED bulbs
  • And more everyday efficiency practices

Customer Service

Duke Energy provides a variety of customer service options to support their millions of customers across multiple states. This includes assistance with billing, reporting outages, and contacting the company.


Customers can pay their electric and natural gas bills in a variety of ways including online, by phone, by mail, or at authorized payment locations. Duke Energy offers budget billing to even out payments over a 12 month period as well as payment arrangements for those needing flexible payment options.

Outage Support

Customers can report power outages by phone, text, or on the Duke Energy mobile app and receive status updates as crews work to restore service. There are also outage maps available online so customers can see known outages in their area.

Contact Options

Duke Energy can be reached by phone or email to answer billing questions, start/stop service, report outages, and more. The company provides toll-free numbers for residential and business customers as well as contact forms on their website. Customers can also manage their accounts online or via the Duke Energy mobile app.

Supporting Communities

Duke Energy is committed to supporting the communities it serves through philanthropic efforts, volunteerism, and education initiatives. The company provides millions in charitable grants each year to nonprofit organizations focused on needs like workforce development, economic mobility, and education.

The Duke Energy Foundation, the company’s philanthropic arm, has contributed over $400 million to communities since its inception. Areas of giving include K-12 and higher education, health and human services, arts and culture, and community vitality. The Foundation also matches employee donations and volunteer hours.

Employees are encouraged to volunteer their time and talents in their local communities. Duke Energy has an Employee Volunteer Network to facilitate opportunities to give back. Employees have volunteered hundreds of thousands of hours doing everything from building homes with Habitat for Humanity to cleaning up parks.

In education, Duke Energy works to develop curricula and programs that promote STEM skills. This includes providing grants to schools, sponsoring competitions like science fairs, and offering educator workshops. The company also provides scholarships and other support to help youth pursue college and careers.

Through corporate citizenship efforts like these, Duke Energy strives to have a positive impact on education, economic growth, the environment and more in all the communities it serves.

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