North DakotaRebate Program
Otter Tail Power Company - Energy Efficiency Rebate Program
You getCooling Air-conditioner — Up to $150 Heat pump tune-up — $150 Air conditioner tune-up — $75 Cold-climate heat pump (ductless) — $600–$840 per ton Cold-climate heat pump (ducted) — $800–$1,040 per ton Standard heat pump — $300–$500 per ton Air-to-water heat pump — $800–$1,240 per ton Geothermal heat pump (residential) — $1,200–$1,640 per ton Geothermal heat pump (commercial) — $900–$1,340 per ton Electric Heating Heaters, boilers, furnaces, cold-climate or geothermal heat pumps — $40 per kW Electric panel or cable — $40 per kW Baseboard, cove heat, garage unit heater, radiant electric heating — $20 per kW Heat storage systems (furnaces, panels, boilers) — $75 per kW Thermal storage — $40–$75 per kW Insulation & Air Sealing Wall insulation — Up to $1,000 Attic insulation — Up to $1,000 Air sealing — Up to $800 Water Heating Electric water heating — $100–$400 Heavy-duty commercial electric water heating — $50 per kW Electric Panels Residential — Up to $1,000 Commercial — Up to $2,000 Electric Vehicles & Charging Battery electric vehicle (BEV) — $1,500–$3,000 Plug-in hybrid electric vehicle (PHEV) — $750–$1,500 Level 2 EV charger — $500 Windows & Lighting ENERGY STAR® windows — $25 per unit Lighting retrofit — $0.10–$0.60 per watt Lighting controls — $200 per kW LED lighting — $1–$250 per unit Appliances & Recycling Refrigerator/freezer recycling — $50 Window air conditioner recycling — $25 Dehumidifier — $10 Smart Home & Outdoor Equipment Smart thermostats — $35–$150 Electric outdoor equipment — $25–$750 per unit
Apply on official siteView on DSIRE
Quick facts
- Incentive type
- Rebate Program
- Amount
- Cooling Air-conditioner — Up to $150 Heat pump tune-up — $150 Air conditioner tune-up — $75 Cold-climate heat pump (ductless) — $600–$840 per ton Cold-climate heat pump (ducted) — $800–$1,040 per ton Standard heat pump — $300–$500 per ton Air-to-water heat pump — $800–$1,240 per ton Geothermal heat pump (residential) — $1,200–$1,640 per ton Geothermal heat pump (commercial) — $900–$1,340 per ton Electric Heating Heaters, boilers, furnaces, cold-climate or geothermal heat pumps — $40 per kW Electric panel or cable — $40 per kW Baseboard, cove heat, garage unit heater, radiant electric heating — $20 per kW Heat storage systems (furnaces, panels, boilers) — $75 per kW Thermal storage — $40–$75 per kW Insulation & Air Sealing Wall insulation — Up to $1,000 Attic insulation — Up to $1,000 Air sealing — Up to $800 Water Heating Electric water heating — $100–$400 Heavy-duty commercial electric water heating — $50 per kW Electric Panels Residential — Up to $1,000 Commercial — Up to $2,000 Electric Vehicles & Charging Battery electric vehicle (BEV) — $1,500–$3,000 Plug-in hybrid electric vehicle (PHEV) — $750–$1,500 Level 2 EV charger — $500 Windows & Lighting ENERGY STAR® windows — $25 per unit Lighting retrofit — $0.10–$0.60 per watt Lighting controls — $200 per kW LED lighting — $1–$250 per unit Appliances & Recycling Refrigerator/freezer recycling — $50 Window air conditioner recycling — $25 Dehumidifier — $10 Smart Home & Outdoor Equipment Smart thermostats — $35–$150 Electric outdoor equipment — $25–$750 per unit
- Administrator
- Otter Tail Power Company
- Applies to
- Utility, Commercial, Residential
- Technologies
- Air conditioners, Heat pumps, Ductless Mini-Split Heat Pump, Ducted Mini-Split Heat Pump, Geothermal Heat Pumps, Attic Insulation, Wall Insulation, General Air Sealing, Water Heaters, Electrical Panel, Plug-in Electric Hybrid Vehicles, Level-2 Electric Vehicle Service Equipment, Windows, Lighting, Lighting Controls/Sensors, LED Lighting, Refrigerators/Freezers, Dehumidifiers, Programmable Thermostats
Dates
- Source last updated
- October 27, 2025
About this incentive
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.
Data updated . Always confirm details on the official program website before applying. Programs change frequently.