Washington State Solar Incentive Program

Washington State Department of Revenue

Closed Solar & Renewable

About This Program

Legacy solar production incentive program that provided payments for solar energy generation. While the program is closed to new applicants, existing participants continue to receive incentive payments through their contracted term.

Program closed to new applicants; grandfathered systems still receiving payments

Official program page checked live on 2026-06-17.

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

Key Details

  • Legacy solar production incentive program
  • Closed to new applications since June 2020
  • Existing participants continue receiving payments
  • Consider federal solar tax credits instead
  • Check PSE for current solar programs

How to Apply

Get free help applying Visit Official Program Page Track this program

(360) 705-6705

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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 Redmond 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

Washington's Solar for All program, funded through the federal Greenhouse Gas Reduction Fund, brings the benefits of solar to income-qualified residents. It offers no-cost solar installations for income-qualified single-family homeowners and no-cost community or shared solar participation for renters. The Department of Commerce runs it through selected program partners.

Steps to apply

  1. Confirm you are an income-qualified Washington homeowner (or a renter interested in community solar).
  2. Visit the Commerce Solar for All page to find the current program partners and how to enroll.
  3. Contact a participating partner to check eligibility and start enrollment.
  4. If eligible, the partner arranges the no-cost solar installation.
Get the official form

Documents you will likely need

  • Proof of household income to confirm you are income-qualified.
  • Proof you own and live in the home.
  • A recent electric bill.
  • A government-issued photo ID.
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: Program closed to new applications as of June 2020

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