Otter Tail Power Company - Residential Energy Efficiency Rebate Program

March 11, 2024


Otter Tail Power Company Rebate Program offers rebates to qualifying residential customers for the installation of high-efficiency equipment upgrades. Under Minnesota's Conservation Improvement Plan (CIP), Minnesota customers are eligible for rebates for a variety of measures, including:

  • Water heating 
  • Insulation and Air Sealing
  • Thermal storage 
  • Appliance recycling 
  • Heat Pumps
  • Lighting 
  • Smart thermostats

Information regarding rebate program eligibility and product and equipment requirements may be found on the website listed above.

Program Overview

Implementing Sector: Utility
Category: Financial Incentive
State: Minnesota
Incentive Type: Rebate Program
Web Site:
Administrator: Customer Service
Start Date:
Eligible Renewable/Other Technologies:
  • Geothermal Heat Pumps
  • Clothes Washers
  • Dishwasher
  • Refrigerators/Freezers
  • Water Heaters
  • Lighting
  • Boilers
  • Heat pumps
  • Air conditioners
  • Programmable Thermostats
  • Duct/Air sealing
  • Building Insulation
  • Motors
  • Insulation
Incentive Amount: Air-conditioner Rebates
Energy Star Air Conditioner: up to $150 per unit Energy Star Appliance Rebates
Heat pump water heater: $200
Refrigerators: $50
Chests or upright freezers: $50
Dishwashers: $50
Clothes washers: $50
Electric clothes dryers: $50
Heat pump clothes dryers: $50
Induction cooktops or ranges with induction cooktops: $50
Air purifiers: $25
Dehumidifiers: $25

Appliance Recycling
Refrigerator: $50
Freezer: $50
Window AC: $25
Dehumidifier: $15

Electric Heating
Electric Plenum Heater: $40 per Kw
Electric Boiler:$40 per Kw
Ducted Electric Furnace:$40 per Kw
Cold-climate:$40 per Kw
Geothermal heat pump:$40 per Kw
Electric cable or panel storage heating system: $40 per Kw
Baseboard: $20 per Kw
Cove heat: $20 per Kw
Garage unit heater:$ 20 per Kw
Radiant electric heating: $20 per Kw
Heat Pumps
Cold-climate heat pump (CCHP) Ductless: up to $840/ton
Cold-climate heat pump (CCHP) Ducted: up to $1,040/ton
Standard heat pump: up to $500/ton Air-to-water heat pump (AWHP): up to $1,240/ton
Geothermal heat pump (GHP): up to $1,640/ton

Electric Water Heating
80-gallon or larger water heater: $400
50-gallon water heater: $200
Replacements: $100-200
*See website for additonal details and rebates
Electric Water Heating
New battery electric vehicle (BEV): $3,000 New plug-in hybrid electric vehicle (PHEV): $1,500 Used BEV: $1,500 Used PHEV: $750 Heat pump or AC tune-up rebate
Heat Pump tune-up: $150
Air-conditioner tune-up: $75
Air Sealing: $800
Wall Insulation: $1,000
Attic Insulation: $1,000
Window: $25

Home Transformer
Schedule energy assessment
See Website for details

See Website for details

Smart Thermostats
Tier II smart thermostats: up to $100
Tier III smart thermostats: up to $150

Tier III line voltage: $100

Thermal Storage
Thermal storage: $75/kW See Website for details

Water Heaters
Up to $400 rebate
See Website for details

Equipment Requirements: See program website.


Name: Customer Service
Organization: Otter Tail Power Company
Address: 215 S. Cascade St.
Fergus Falls MN 56537
Phone: (800) 257-4044

This information is sourced from DSIRE; the most comprehensive source of information on incentives and policies that support renewables and energy efficiency in the United States. Established in 1995, DSIRE is operated by the N.C. Clean Energy Technology Center at N.C. State University.