Otter Tail Power Company - Residential and Commercial Energy Efficiency Rebate Program

Otter Tail Power Company offers rebates on a wide range of efficient equipment for South Dakota residents, including heat pumps, electric water heaters (up to $400), insulation (up to $2,800), ENERGY STAR windows, LED lighting, smart thermostats (up to $150), and air conditioners (up to $150), as well as Level 2 EV chargers ($500 rebate). To get these rebates, purchase qualifying equipment and submit enrollment forms available online, with many programs offering additional savings through off-peak rates.

Contractors can build customer value by promoting Otter Tail's rebates across heating, cooling, water heating, insulation, and electrical upgrades—positioning themselves as partners who help customers access these incentives. The company offers contractor certification programs that provide benefits for both your customers and your business, and training workshops are available to help you stay current with the program offerings.

The program delivers rebates across residential and commercial sectors in South Dakota for a comprehensive list of efficient technologies: heat pumps (geothermal, air-source, ducted and ductless mini-splits), electric water heaters, insulation, windows, lighting, appliances, EV charging infrastructure, and electrical panels. Funding mechanisms include direct rebates, bill credits, and off-peak rate programs (such as water heating rates and a residential demand control rate approximately 25% below standard), with some incentives capped at specific amounts (insulation to $2,800, water heaters to $400, thermostats to $150).