Montana Residential Alternative Energy System Tax Credit

Montana Department of Revenue

Closed Solar & Renewable

About This Program

Montana state income tax credit for residential solar electric systems. Provides a tax credit equal to the lesser of $500 or the amount of the taxpayer's income tax liability. Can be used in conjunction with federal solar tax credit.

Tax credit reduces Montana income tax liability up to $500

Record set last reviewed 2026-06-09. How we verify our data.

Other published resources for Kalispell, MT, are listed below. Review each separately and ask the administrators whether they can coordinate funding for the same work:

Key Details

  • Tax credit up to $500 for solar installation
  • For residential solar electric systems
  • Can combine with federal 30% solar tax credit
  • No income restrictions
  • Claim on Montana state tax return

How to Apply

Review possible next steps Track this program

Program phone: (406) 444-6900

Some programs require contractor estimates, licenses, or inspections. A cited link may be general, so confirm the current rules with the administrator before hiring; a directory match does not guarantee contractor eligibility or funding.

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Some programs for this project type ask for a license, inspection, or written estimate. Confirm the rule before contacting a contractor in Kalispell.

Get matched with a contractor

Each administrator sets its contractor rules. Confirm exact requirements directly; the cited URL may be a general agency page.

Your application paperwork

Documents you will likely need

  • Your federal tax return for the year of the work (this benefit is claimed on your taxes, not through a separate application).
  • Proof you own and live in the home (deed, recent mortgage statement, or property tax bill).
  • A government-issued photo ID for every owner on title.
  • A written estimate from a licensed contractor for the work (many programs require this to apply).
  • A recent utility bill for the home (energy and weatherization programs use it to confirm service and usage).
  • The program's own application form, completed (use the official link or phone number on this page).

Requirements vary by program and locality. Confirm the exact rules and application route with the administrator. We can help you prepare your paperwork, but you submit it yourself.

Deadline: Claim on Montana tax return

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