Renewable Energy Equipment Exemption (Iowa)

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Last modified on February 12, 2015.

Financial Incentive Program

Place Iowa

Name Renewable Energy Equipment Exemption
Incentive Type Sales Tax Incentive
Applicable Sector Commercial, Residential, General Public/Consumer, Agricultural
Eligible Technologies Solar Water Heat, Solar Space Heat, Solar Thermal Electric, Solar Thermal Process Heat, Photovoltaics, Wind, Hydroelectric, Solar Pool Heating, Small Hydroelectric
Active Incentive Yes
Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs
Amount 100% of sales tax

Start Date Wind: 1993

Solar: 07/01/2006

Hydro: 2013
The date "Wind: 1993<br>

Solar: 07/01/2006<br>

Hydro: 2013" was not understood.

Maximum Incentive None

Program Administrator Iowa Department of Revenue

References DSIREDatabase of State Incentives for Renewables and Efficiency[1]


Iowa allow a sales tax exemption for solar, wind, and hydroelectricity equipment. As of August 2014, the Iowa sales tax rate is 6%.


For wind energy the exemption includes the total cost of wind energy equipment and all materials used to manufacture, install, or construct wind energy systems. The exemption does not apply to equipment used to construct a plant to manufacture wind energy systems.


Effective July 1, 2006, solar energy equipment is also exempt from the state sales tax. Solar equipment means any equipment that is used to convert incident solar radiation to energy, or equipment used to transform the converted energy to storage or to some point of use.


In May 2013 a sales tax exemption was also added for hydroelectricity conversion equipment. This includes, but is not limited to, generators, turbines, powerhouses, intakes, coffer dams, walls, water conduits, tailraces, other concrete components, electric equipment substations, poles, wires, transformers, breakers, and switches used to convert water, water power, or hydroelectricity to a form of usable energy.

Incentive Contact

Contact Name Taxpayer Services - DOR
Department Iowa Department of Revenue
Address Hoover Building, Taxpayer Services
Address 2 1305 E. Walnut
Place Des Moines, Iowa
Zip/Postal Code 50319
Phone (515) 281-3114
Phone 2 (800) 367-3388


Authorities (Please contact the if there are any file problems.)

Authority 1: Iowa Code § 423.3
Date Enacted 05/26/1993 (subsequently recodified, amended)

Authority 2: H.F. 630
Date Enacted 2013-05-01

  • 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" Cite error: Invalid <ref> tag; name "DSIRE" defined multiple times with different content