Montana Department of Revenue
Property tax exemption for the added value of qualifying renewable energy systems installed in Montana homes. Exempts the increased property value from taxation for systems including solar, wind, and geothermal.
Full exemption of renewable energy system value from property tax
Data last verified 2026-05-25. How we verify our data.
In Billings, MT, you can combine this program with other local help to cut your cost:
A grant-savvy contractor in Billings, MT can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.
You will likely need a contractor to apply
Projects like this almost always need a licensed contractor, and many grants ask for a written estimate as part of your application. Lining up a contractor in Billings early keeps your application moving.
Get matched with a contractorEach program sets its own contractor rules. Check the official program page for exact requirements.
Documents you will likely need
Requirements vary by program and locality. Confirm the exact rules on the official program page. We can help you prepare your paperwork, but you submit it yourself.
Deadline: Filed with annual property tax return
Ask us. It is free, and a real person answers within a business day.
Email us about this programGrant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.
Rebates and discounts that stack on top of any grant. Most are free to use.
This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.
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