Washington State Solar Incentive Payment Program

Washington State Department of Commerce

Closed Solar & Renewable

About This Program

Historical solar incentive program that provided annual payments for solar PV systems installed before 2021. While closed to new applicants, existing participants continue receiving payments. Check for future state solar programs.

Program closed to new applicants; check for replacement programs

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

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

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

Key Details

  • Program closed to new applications in 2020
  • Existing participants continue receiving payments
  • Check for new state solar programs
  • Federal ITC (30%) still available
  • Contact Commerce for future opportunities

How to Apply

A grant-savvy contractor in Longview, WA 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 Longview early keeps your application moving.

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).

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: Program closed to new applications in 2020

Questions about this program?

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

Email us about this program

Need a Contractor for This Grant?

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

Find More Programs in Longview, WA

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

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