Renewable Energy Systems Exemption (Montana)

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Last modified on December 17, 2014.

Financial Incentive Program

Place Montana

Name Renewable Energy Systems Exemption
Incentive Type Property Tax Incentive
Applicable Sector Commercial, Industrial, Residential, Multi-Family Residential, Agricultural
Eligible Technologies Passive Solar Space Heat, Solar Water Heat, Solar Space Heat, Solar Thermal Electric, Solar Thermal Process Heat, Photovoltaics, Landfill Gas, Wind, Biomass, Geothermal Electric, Geothermal Heat Pumps, Municipal Solid Waste, Solar Pool Heating, Anaerobic Digestion, Small Hydroelectric, Fuel Cells using Renewable Fuels
Active Incentive Yes

Implementing Sector State/Territory
Energy Category Renewable Energy Incentive Programs, Energy Efficiency Incentive Programs
Amount 100% for 10 years.

Maximum Incentive Based on investment of 20,000 for single family, and on investment of 100,000 for multi-family, non-residential.

Date added to DSIRE 2000-01-01
Last DSIRE Review 2014-10-22

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


Montana's property tax exemption for recognized non-fossil forms of energy generation and low emission wood or biomass combustion devices may be claimed for 10 years after installation of the property. The exemption is allowed for up to $20,000 in value for single-family residential dwellings and up to $100,000 in value for multi-family residential dwellings or non-residential structures. This property is class 4 property and otherwise would be taxed on 2.54% of assessed value in tax year 2013 and 2.47% in tax years after 2013.

Recognized forms of energy generation include solar photovoltaics, passive solar, wind, solid waste, decomposition of organic wastes, geothermal, small hydropower plants, low-emission wood or biomass combustion systems, and fuel cells that do not require hydrocarbon fuel.

Use Montana Department of Revenue Form AB-14 to claim this exemption.

Incentive Contact

Contact Name Information Specialist - MT Dept. of Rev.
Department Montana Department of Revenue

Address P.O. Box 5805

Place Helena, Montana
Zip/Postal Code 59604-5805
Phone (406) 444-6900


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

Authority 1: MCA § 15-6-224

Date Enacted 2005
Expiration Date none

Authority 2: MCA § 15-32-102

  • 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"