North Dakota Geothermal
33 verified programs, updated 2026-08-08. 1 incentive type.
Otter Tail Power Company - Energy Efficiency Rebate Program
Rebate ProgramUtility, Commercial, ResidentialOctober 27, 2025
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
Residential Energy Efficiency Rebates (Offered by 5 Utilities)
Rebate ProgramUtility, ResidentialSeptember 18, 2025
Air Cleaner — $25 Ceiling Fan — $25 Central A/C or Heat Pump Tune-up — $40 Clothes Washer (ENERGY STAR) — $25 * (for homes with electric water heaters only) Dehumidifier Portable ENERGY STAR — $25 Whole-home, ducted ENERGY STAR — $200 Dishwasher (ENERGY STAR) — $25 Electric Vehicle Chargers Wi-Fi enabled ChargePoint Home Flex — $500 Other qualifying Level 2 charger — $150 Residential Heating & Cooling Air-source heat pump (electric backup) — $150-$350 Air-source heat pump (gas/propane backup) — $600-$1,050 Central air conditioner — $250-$350 Mini-split heat pump — $250-$400 per outdoor unit Mini-split air conditioner — $150-$200 per outdoor unit Central A/C or heat-pump tune-up — $40 Geothermal heat pump — $200/ton ENERGY STAR smart thermostat — $25 Heat-pump water heater — $200 ECM domestic hot water recirculating pumps — $75-$900 Residential Lighting (LED recessed downlights) — up to $4 per fixture Room Air Conditioner (ENERGY STAR) — $75 Smart Thermostat (ENERGY STAR) — $25
Business Energy Efficiency Rebates (Offered by 5 Utilities)
Rebate ProgramUtility, CommercialFebruary 20, 2025
Commercial Refrigeration: $5 - $900 Compressed Air: See application Custom Efficiency: $350/kW saved during peak hours Custom Electrification: Up to $100,000 per customer, per calendar year Forklift Lithium Battery, Electric Forklift and Tow Tractor: $750 - $2,000 Food Service: $40 - $2,000 Split System Air Conditioning, Air Source Heat Pumps, Mini Splits, VRF, Multi-split Heat Pumps, PTAC’s, PTHP’s, Rooftop Units, and Chillers: $40/ton Geothermal Heat Pump: $200/ton Electronically Commutated Motors: $75 - $900/unit ENERGY STAR® Ceiling fans, Window and Wall (Sleeve) Air Conditioners: $25 - $75 Guest Room Energy Management Systems: $50 Heat Pump Water Heater: $200 High Volume Low Speed Fans: $900 - $1,100 Energy Star Whole Home/Office Dehumidifier: $200 Infrared Curing and Drying: See Application