Otter Tail Power Company - Residential Energy Efficiency Rebate Program (South Dakota)

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Last modified on February 12, 2015.

Financial Incentive Program

Place South Dakota

Name Otter Tail Power Company - Residential Energy Efficiency Rebate Program
Incentive Type Utility Rebate Program
Applicable Sector Residential
Eligible Technologies Boilers, Furnaces, Heat pumps, Water Heaters, Geothermal Heat Pumps, Thermal Storage Technologies
Active Incentive Yes

Implementing Sector Utility
Energy Category Energy Efficiency Incentive Programs, Renewable Energy Incentive Programs
Amount Electric Water Heater: $150 - $300; or $20/kw reduced

Thermal Storage Unit: $20 - $40/kW
Residential Demand Control: $300/unit
Air-Source Heat Pump: $160/ton
Geothermal Heat Pump: $350/ton

Eligible System Size Electric Water Heater: must be 80 gallons or larger

Equipment Requirements Electric Water Heater: minimum efficiency rating of 90%

Air Source Heat Pump: varies depending on system type
Geothermal Heat Pump: minimum COP of 3.1 - 4.1 depending on type

Installation Requirements Electric Water Heater: must be installed on an off-peak rate

Thermal Storage Unit: must be installed on the deferred-load, fixed-time-of-delivery, or RDC rates (rates 195/197, 301/302/303, 241)
Residential Demand Controller: customers must be on the RDC rate (rate 241)

Program Administrator Otter Tail Power Company
Date added to DSIRE 2008-11-19
Last DSIRE Review 2012-11-16

References DSIRE[1]


Otter Tail Power Company offers incentives to all residential customers in South Dakota to install energy efficient equipment in residences. Rebates are available for geothermal and air source heat pumps and electric water heaters. In addition, Otter Tail Power offers rebates for thermal storage technologies and residential demand control units, which help the utility minimize peak time energy use. There are a variety of different standards that must be met in order to qualify for these rebates; customers should check the program web site for details. Receipts must be turned in with the program application in order to qualify for the rebate.

Incentive Contact

Contact Name Customer Service - OTPC
Department Otter Tail Power Company

Address PO Box 496
Address 2 215 S Cascade Street
Place Fergus Falls, Minnesota
Zip/Postal Code 56538-0496
Phone (800) 257-4044
Phone 2 (218) 739-8200


  • Incentive and policy data are reviewed and approved by the N.C. Solar Center's DSIRE project staff.[1]


  1. 1.0 1.1  "Database of State Incentives for Renewables and Efficiency (DSIRE)"