NorthWestern Energy Window Rebate

NorthWestern Energy

Available Weatherization

About This Program

NorthWestern Energy Window Rebate is available to homeowners in Lolo, MT.

Rebates for ENERGY STAR certified window replacement projects. Rebate amount based on number of windows installed and energy efficiency ratings. Reduces heating costs in Montana's cold climate.

Rebate based on typical window replacement project for Montana home

Official program page checked live on 2026-06-22.

Data last verified 2026-06-09. How we verify our data.

In Lolo, MT, you can combine this program with other local help to cut your cost:

Key Details

  • Up to $1,000 for ENERGY STAR window replacement
  • Rebate based on number and efficiency of windows
  • Must use qualified contractor
  • Pre-approval recommended
  • No income restrictions

How to Apply

Get free help applying Visit Official Program Page Track this program

(888) 467-2669

A grant-savvy contractor in Lolo, MT can handle the paperwork, inspections, and timelines so your funding releases on schedule. Getting matched is free.

This grant requires a licensed contractor

This grant requires the work to be done by a licensed contractor, and you will likely need a written estimate to apply. Get a free estimate from a contractor in Lolo who knows grant paperwork.

Get matched with a contractor

Each program sets its own contractor rules. Check the official program page for exact requirements.

Your application paperwork

Documents you will likely need

  • 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).
  • Photos of the problem area or the work to be done.
  • The program's own application form, completed (use the official link or phone number on this page).
Download this checklist (PDF)

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: Ongoing program

Questions about this program?

Ask us. It is free, and a real person answers within a business day.

Email us about this program

Frequently asked questions

How much can NorthWestern Energy Window Rebate provide in Lolo, MT?

Up to $1,000 rebate.

Who qualifies for NorthWestern Energy Window Rebate in Lolo?

NorthWestern Energy Window Rebate is open to homeowners in Lolo, MT. It has no income limit.

How do I apply for NorthWestern Energy Window Rebate in Lolo, MT?

Apply directly with NorthWestern Energy using the official program link on this page or call (888) 467-2669. There is no middleman and no fee.

Need a Contractor for This Grant?

Grant-approved contractors understand the documentation, inspections, and timelines, so your funding releases on schedule.

Get matched with a pro, free Browse Lolo, MT contractors

Find More Programs in Lolo, MT

This is just one of many grants, rebates, and free programs available. Stack them together to maximize your savings.

See All Programs