Energy Efficiency for Business

Duke Energy’s energy-efficiency rebate programs are available for both new construction and retrofit projects. With these incentives, you can significantly reduce your upfront projects costs and gain financial leverage to make upgrades to your facility that will save energy and money.

In order to qualify for our incentive programs, you must first complete a Business Energy Check. For new construction projects, a consultation with one of our Energy Advisors is required before installation. 

Incentives are available for the areas of your business’ facility listed below.  Note that measures marked with double asterisks (**) are available for retrofit projects only; new construction is not eligible.

IMPORTANT NOTE: Program changes effective Jan. 1, 2016 impacting existing Commercial Energy Efficiency rebate programs. Please read.

Energy-Efficiency Improvement Programs for Your Business

Programs at a Glance (PDF)

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  • Building Envelope Improvements
    • Cool Roof 
      Lower the temperature of your roof and save up to 15 percent on air conditioning costs. For more information, download the Cool Roof Brochure (PDF)
    • Ceiling Insulation Upgrade**

      Adding insulation will help you save up to 15 percent on HVAC costs, and incentives are available for upgrades. If the insulation in your building is less than R-12, you may be eligible for this rebate program. For more information, download the Ceiling Insulation Upgrade Brochure. (PDF)

    • Green Roof 

      Incorporating plants as part of the roofing system provides natural insulation and an effective heat buffer, which can save you up to 20 percent on heating and cooling costs. For a full list of benefits, download the Green Roof Brochure. (PDF)

    • Roof Insulation Upgrade

      Increasing your roof’s insulation helps maintain interior building temperatures while saving up to 15 percent on heating and cooling costs.  For more information, download the Roof Insulation Upgrade Brochure. (PDF)

    • Window Film or Solar Screen

      Window film and solar screens can help increase energy efficiency, saving up to 15 percent on cooling costs by reducing the amount of heat coming in from the sun. It can also help protect interior furnishings and equipment from harmful ultraviolet rays. For more information, download the Window Film and Solar Screen Brochure. (PDF)

  • HVAC Equipment
    • HVAC Check Chiller / Unitary

      Installing a high-efficiency chiller or rooftop unit saves energy and reduces your cooling costs by up to 25 percent while maintaining a comfortable work environment. Duke Energy incentives are available for qualified facilities. For more information, download the HVAC Chiller / Unitary Brochure. (PDF)

    • Heat Pump

      High-efficiency heat pumps can save 40 percent on cooling and heating costs depending on the size and efficiency of the unit, and incentives are available to help offset the installation cost.

    • IMPORTANT NOTE: Program changes effective Jan. 1, 2015, impacting our heat pump incentive. Please read.

    • Thermal Energy Storage (TES)

      Thermal Energy Storage helps reduce the size and cost of replacement chillers. For businesses on a time-of-use rate, TES systems can also lower energy costs by shifting energy usage to off-peak hours. For more information about available incentives, download the Thermal Energy Storage Brochure. (PDF)

  • HVAC System Related Improvements
    • Demand Control Ventilation (DCV)

      Demand Control Ventilation helps maintain an appropriate temperature based on the occupancy of the room and can save up to 20 percent on heating and cooling costs.  DCV can be installed on existing HVAC systems and may qualify for an incentive. For more information, download the Demand Control Ventilation Brochure. (PDF)

    • Duct Check and Repair**
      Leaky ductwork can lead to inefficiencies within your HVAC system. Duke Energy’s duct program will share the cost of testing your ducts, as well as any necessary repairs if your facility qualifies for additional incentives. For more information, download the Duct Check Brochure. (PDF)
    • High Efficiency Energy Recovery Ventilation (ERV)
      An energy recovery ventilation system pre-conditions incoming air, helping to reduce the load on your HVAC system. Duke Energy incentives are available for qualified facilities. For more information, download the Energy Recovery Ventilation Brochure. (PDF)
    • Rooftop HVAC Recommissioning**
      Over time, inefficiencies crop up that could affect your building's heating and cooling systems’ performance. Incentives are available to help you recommission your Rooftop Air Conditioning Units (RTU) and ensure your equipment is operating at optimal efficiency, saving up to 20 percent on heating and cooling costs. For more information, download the Rooftop HVAC Recommissioning Brochure. (PDF)
    • Package Terminal Air Conditioner (PTAC) Coil Cleaning**
      PTAC steam cleaning helps your system run more efficiently. Incentives are available on a per-unit basis and can save you up to 20 percent on heating and cooling costs. For more information, download the PTAC Steam Cleaning brochure.
  • Indoor Lighting Improvements
    • Indoor Lighting Upgrades
      Upgrading interior lighting can save up to 50 percent of lighting costs while improving light quality and reducing maintenance costs. Plus, your business may qualify for incentives to help pay for the indoor lighting improvements. For more information on qualifying for lighting fixture incentives, download the Indoor Lighting Brochure. (PDF)
    • Occupancy Sensors for Indoor Lighting

      Occupancy sensors help control lighting in spaces that are often left unoccupied such as conference rooms or restrooms. These sensors can save up to 30 percent of your indoor lighting cost. For more information, download the Occupancy Sensors Brochure. (PDF)

  • Other Efficiency Improvements
    • Efficient Compressed Air System

      An updated compressed air system can result in a 20-50 percent energy savings while improving production efficiencies. Incentives are available to help you update your system. For more information, download the Compressed Air System Brochure. (PDF)

    • Efficient Motors

      Efficient motors result in long-term energy savings since over the life of a motor 95 percent of the total cost is for energy to operate the motor. Replacing old motors with energy-efficient models is one way to help control your business costs.  You could also qualify for incentives that help offset the cost. For more information, download the Efficient Motor Upgrade Brochure. (PDF)

  • Trade Allies/Co-Marketing

    As a Trade Ally, we are offering you a unique promotional partnership to help you spread the word about the benefits of using energy-efficient equipment.

    As part of this program, Duke Energy will co-fund your marketing or advertising to help reduce the cost of promoting qualified energy-efficient technologies and our Energy Efficiency for Business program to your customers. Please download the forms (PDF) below for more information.

    You may also call 877.372.8477 or email

    Trade Ally Co-Marketing FAQ

    Trade Ally Co-Marketing Application

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