Solar Energy Systems Tax Credit (Corporate) (Iowa)

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Last modified on February 12, 2015.

Financial Incentive Program

Place Iowa

Name Solar Energy Systems Tax Credit (Corporate)
Incentive Type Corporate Tax Credit
Applicable Sector Commercial, Residential, Utility, Agricultural
Eligible Technologies Solar Water Heat, Solar Thermal Electric, Solar Thermal Process Heat, Photovoltaics
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs
Amount 18%

Carryover Provisions Excess credit may be taken for up to 10 years

Start Date 2012-01-01
Expiration Date 2016-12-31

Maximum Incentive Residential: 5,000

Commercial: 20,000

Program Budget $4,500,000 cumulative limit per year (corporate and personal)

Program Administrator Iowa Department of Revenue
Date added to DSIRE 2012-06-05
Last DSIRE Review 2014-06-18

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


Iowa offers an 18% corporate tax credit for solar energy systems. The credit is based on the federal tax credit for solar; a taxpayer may claim 60% of the value of the Federal Business Tax Credit. The federal tax credit is 30%, making the Iowa credit 18%. Each taxpayer may claim up to $5,000 for residential systems and $20,000 for commercial systems under this program, and any excess credits may be carried over for up to 10 years. A taxpayer may claim a credit for each separate and distinct solar installation. The cumulative value of the tax credits claimed by applicants under this program and the personal tax credit is limited to $4,500,000 per year, with a minimum of $1,000,000 reserved for credits for residential solar installations. Because of this limit, a taxpayer must complete an application to reserve the tax credit. Credits will be reserved on a first-come, first-serve basis.

Taxpayers taking a credit under this provision cannot claim a credit under the Iowa Production Tax Credit.

Incentive Contact

Contact Name Public Information - Revenue
Department Iowa Department of Revenue

Address Hoover State Office Building
Address 2 1305 E. Walnut
Place Des Moines, Iowa
Zip/Postal Code 50319
Phone (800) 367-3388
Phone 2 (515) 281-3114


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

Authority 1: S.F. 2342
Date Effective 2012-01-01
Date Enacted 2012-05-25

Authority 2: 701 IAC 42.48
Date Effective 2012-11-07
Date Enacted 2012-10-03

Authority 3: S.F. 2340
Date Effective 2014-01-01
Date Enacted 2014-05-30

  • 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"