Otter Tail Power Company - Residential Energy Efficiency Rebate Program

June 27, 2022


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 
  • Electronically commutated motors
  • Heat Pumps
  • Lighting 
  • Smart thermostats

Information regarding rebate program eligibility and product and equipment requirements may be found on the web site 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: Appliance Rebates
Refrigerators: $50
Chests or upright freezers: $50
Dishwashers: $50
Clothes washers: $50
Electric clothes dryers: $50

Refrigerator: $50
Freezer: $50
Window AC: $25 (Limit 2)
Dehumidifier: $15 (Limit 2)

Heat Pumps
Cold-climate heat pump (CCHP): up to $700/ton
Air-to-water heat pump (AWHP): $400/ton
Geothermal heat pump (GHP): $1,000/ton

Air Sealing: $400
Wall Insulation: $500
Attic Insulation: $500

Home Transformer
Schedule energy assessment
See Website for details

Income-qualified home efficiency updates
See Website for details

See Website for details

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

Thermal Storage
See Website for details

Water Heaters
Up to $300 rebate
See Website for details

Maximum Incentive: Insulation: 20% of your project cost, up to $1,400, if you heat with electricity and employ a contractor to upgrade your insulation.
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.