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Incentives/Policies for Renewables & Efficiency

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Alliant Energy Interstate Power and Light (Gas) - Residential Energy Efficiency Program   

Last DSIRE Review: 10/08/2014
Program Overview:
State: Minnesota
Incentive Type: Utility Rebate Program
Eligible Efficiency Technologies: Water Heaters, Furnaces , Boilers, Programmable Thermostats, Building Insulation, Windows, Comprehensive Measures/Whole Building, Room Air Conditioners, Home Energy Audit
Eligible Renewable/Other Technologies: Geothermal Heat Pumps
Applicable Sectors: Residential, Construction
Amount:ENERGY STAR New Construction: $600-$3500/home
Home Energy Audit: Free
Boilers: $150 or $400 depending on AFUE
Furnaces: $250 or $400 depending on AFUE
Programmable Thermostats: $25
Insulation: 70% of cost up to $750
Water Heaters: $50
Windows/Sashes: $20/each
Appliance Recycling: $20
Maximum Incentive:Insulation: $500
Eligible System Size:Water Heaters: 40 gallon tank or greater
Windows/Sash: minimum size of 8 sq. ft. each.
Boilers/Furnaces: Maximum 300,000 Btu
Equipment Requirements:Boilers: minimum AFUE rating of 85%
Furnaces: minimum AFUE rating of 92%
Programmable Thermostats: must be Energy Star rated
Attic Insulation: Insulation must be minimum R-19 and a maximum of R-38
Water Heaters: 40 gallon tank or greater, minimum EF of .62
Windows/Sash: Must be Energy Star rated for northern climate zone (U-factor .35 or less)
Installation Requirements:Alliant Energy must supply primary heating energy.
Home must be built before January 1, 2001.
Renters need owner’s prior approval (Alliant Energy can contact owner).
A Home Energy Audit must be completed before new insulation is installed.
Web Site:
Interstate Power and Light (Alliant Energy) offers a number of rebates for energy efficiency for Minnesota residential customers a variety of high efficiency heating and cooling measures, including water heaters, gas furnaces, gas boilers, windows, insulation, and thermostats. After completing an energy audit, a residential customer is eligible for up to $500 in rebates for attic and wall insulation. Qualifying attic insulation will have a rating of R-19 to R-38. More details, the incentive application, and an energy audit request form are available on the program web site.

Customers are eligible for room air conditioners and water heaters through the Appliance Rebate Program. Room air conditioners qualify for a rebate of $25 and water heaters qualify for a rebate of $50. Room Air Conditioners are limited to a maximum of three rebates.  Qualifying windows and sashes are eligible for a rebate of $20; windows should be certified by the National Fenestration Rating Council and have a rating of a least .35 or less U-Factor.  Further information can be found at the program web site.

  Customer Assistance - IPL Residential Efficiency
Alliant Energy-IP&L
Residential Programs
4902 North Biltmore Lane
P.O. Box 77007
Madison, WI 53707-1007
Phone: (800) 255-4268
Fax: (608) 458-0100
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.