Otter Tail Power Company - Energy Efficiency Rebate Program
Administered by Otter Tail Power Company
Otter Tail Power Company offers rebates on a broad range of energy-efficient upgrades—from heating and cooling systems like heat pumps and air conditioners (up to $150 for ENERGY STAR® AC units) to insulation improvements (up to $2,800), water heaters (up to $400), smart thermostats (up to $150), and electric vehicle chargers ($500 for Level 2 installation). Contact the Energy Efficiency team at 800-493-3299 or otperebates@otpco.com to learn which rebates apply to your home and how to apply.
The program supports your business by offering contractor certifications that enable you to help customers access rebates across heating, cooling, appliances, insulation, lighting, electric vehicles, and renewable energy technologies. Otter Tail Power provides rebate incentives on qualifying installations—such as ENERGY STAR® equipment, heat pumps, electrical panel upgrades, and EV charging stations—making your energy-efficiency and electrification services more attractive to customers while expanding your certification credentials.
Otter Tail Power's residential rebate program covers residential, commercial, and federal sectors across North Dakota and other states, incentivizing adoption of efficient appliances, HVAC systems, heat pumps, geothermal technology, insulation, lighting, windows, electrical panel upgrades, and electric vehicle charging infrastructure. The program is administered through online rebate forms and supported by an Energy Efficiency team (800-493-3299, otperebates@otpco.com), with additional mechanisms including time-of-use rates, demand-response programs, and contractor certification to drive energy savings and grid management.
Program details
- Program ID
- 3139
- Last updated
- 10/27/2025
Eligibility
- Sectors
- commercial residential federal government
- Technologies
- geothermal heat pumps refrigerators/freezers dehumidifiers water heaters lighting lighting controls/sensors furnaces boilers heat pumps air conditioners programmable thermostats windows led lighting attic insulation wall insulation general air sealing ductless mini-split heat pump ducted mini-split heat pump electrical panel passenger electric vehicles plug-in electric hybrid vehicles level-2 electric vehicle service equipment
Program summary
Otter Tail Power Company offers a wide range of residential rebates to help customers reduce energy costs and improve efficiency. The program provides cash incentives for energy-saving upgrades such as efficient heating and cooling systems, smart thermostats, electric vehicle chargers, insulation, and ENERGY STAR® appliances. Rebates are also available for renewable technologies like heat pumps and geothermal systems, as well as weatherization measures such as attic insulation and air sealing. By supporting the adoption of efficient equipment and technologies, Otter Tail Power aims to make energy use cleaner, smarter, and more affordable for homeowners across its service area.
For more information or assistance with rebate applications, customers can contact Otter Tail Power Company’s Energy Efficiency team by phone at 800-493-3299 or by email at otperebates@otpco.com.
Contact & resources
- Additional resources
Please verify current program details with the administering agency before making any financial decisions.
