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South Dakota

South Dakota

Incentives/Policies for Renewables & Efficiency

Printable Version
Otter Tail Power Company - Commercial Energy Efficiency Rebate Program   

Last DSIRE Review: 11/24/2014
Program Overview:
State: South Dakota
Incentive Type: Utility Rebate Program
Eligible Efficiency Technologies: Water Heaters, Lighting, Furnaces , Boilers, Heat pumps, Motors, Thermal Storage Technology, LED Lighting
Eligible Renewable/Other Technologies: Geothermal Heat Pumps
Applicable Sectors: Commercial, Industrial, Agricultural
Amount:Lighting (Hard-Wired Systems): $0.40/watt of demand reduction
Lighting (Screw-In CFL/LED): $0.10/watt of demand reduction
Motors: $30 - $9,000
Air Source Heat Pumps: $160/ton
Geothermal Heat Pumps: $350/ton
Water Heaters: $150 - $300; or $20/kw
Thermal Storage: $40
Custom: Based on kw and kwh saved
Maximum Incentive:Water Heaters: $5,000
Lighting: over $4,500 must be preapproved
Eligible System Size:Water Heaters: must have a minimum of 120 gallons of storage capacity for per kw rebate, minimum of 50 gallons for flat rebate amounts.
Thermal Storage Units: minimum of 9 kW; rebate per kW varies by energy savings and rate schedule
Equipment Requirements:Split-System Heat Pump: 14.5 SEER, 12.0 EER, 8.2 HSPF
Package Terminal Heat Pumps: 11.0 EER, 8.0 HSPF
Geothermal Heat Pumps: minimum 3.1 - 4.1 COP depending on type
Water Heaters: minimum Energy Factor of 90%
Motors: motors from 1 - 200 horsepower must exceed NEMA Premium efficiency ratings in new applications and for motors replaced at failure
Installation Requirements:Water Heaters: must be installed on an off-peak rate
Thermal Storage Units: must be installed on Deferred-Load , RDC, or Fixed-time-of-delivery rate
Web Site:

Otter Tail Power Company offers incentives to commercial customers in South Dakota for installing energy efficient equipment in eligible facilities. Rebates are available for geothermal and air source heat pumps, lighting, and motors as well as multiple high-efficiency electric heating technologies, including hot water heaters and thermal storage technologies.

The Lighting Project provides rebates to commercial and industrial customers that purchase a variety of energy-efficient lighting technologies listed on the program web site. Rebates for most hard-wired systems are 20 cents per watt of demand reduction. Screw-in compact fluorescent and LED fixture rebates are calculated at 5 cents per watt of demand reduction. The Energy-Efficient Motor Rebate Project is designed to encourage customers to purchase higher-efficiency replacement motors. Motor rebates vary depending on motor size. A variety of performance based rebates are offered for electric water heating and thermal storage technologies. These rebates are based upon kW demand reduction. All installments must meet certain energy efficiency standards to qualify. Receipts must be turned in with the program application in order to qualify for the rebate.  Visit the program web site for more information and specific equipment requirements.

  Customer Service - OTPC
Otter Tail Power Company
PO Box 496
215 S Cascade Street
Fergus Falls, MN 56538-0496
Phone: (800) 257-4044
Phone 2: (218) 739-8200
Web Site:
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Disclaimer: The information presented on the DSIRE web site provides an unofficial overview of financial incentives and other policies. It does not constitute professional tax advice or other professional financial guidance, and it should not be used as the only source of information when making purchasing decisions, investment decisions or tax decisions, or when executing other binding agreements. Please refer to the individual contact provided below each summary to verify that a specific financial incentive or other policy applies to your project.

While the DSIRE staff strives to provide the best information possible, the DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. make no representations or warranties, either express or implied, concerning the accuracy, completeness, reliability or suitability of the information. The DSIRE staff, the N.C. Solar Center, N.C. State University and the Interstate Renewable Energy Council, Inc. disclaim all liability of any kind arising out of your use or misuse of the information contained or referenced on DSIRE Web pages.

Copyright 2014 - 2015 North Carolina State University, under NREL Subcontract No. XEU-0-99515-01. Permission granted only for personal or educational use, or for use by or on behalf of the U.S. government. North Carolina State University prohibits the unauthorized display, reproduction, sale, and/or distribution of all or portions of the content of the Database of State Incentives for Renewables and Efficiency (DSIRE) without prior, written consent.