While Washington is known for its cloudy skies, solar still delivers strong value — especially in the drier, sunnier eastern half of the state. Thanks to net metering, state sales tax exemptions, and passionate local support for renewables, solar energy is gaining ground. Whether you’re in Seattle or Spokane, going solar in Washington helps you lower bills and join the clean energy movement.
Choosing the right installer matters just as much as choosing to go solar in the first place — the difference between a company that’s licensed, experienced with Washington’s net metering rules and lower winter sun angle, and backed by a real workmanship warranty and one that isn’t can add up to thousands of dollars over the life of your system. Below, you’ll find Washington’s solar companies compared side by side, including which ones have completed EnergyScout’s verification process, so you can start your search with a shorter, more confident list.
EnergyScout tracks local and national solar companies serving homeowners throughout the state. Use the directory below to compare installers based on experience, service area, products, certifications, and other company information.
Companies displaying the EnergyScout Verified badge have completed an additional review process that includes a direct interview, screening customer feedback, and providing evidence of completed installations. Verification provides another layer of information when comparing solar companies, but homeowners should still evaluate multiple installers to find the right fit for their home.
Est. 2007
Source: Solar Energy Industries Association (SEIA), State By State data, as of January 2026 — seia.org/solar-state-by-state
Washington’s Diverse Solar Landscape:
Washington ranks #19 in residential solar installations with over 850 MW of total capacity. The state employs over 4,100 solar workers, demonstrating a mature and committed solar industry. Washington’s solar performance varies dramatically by region — western Washington (Seattle, Tacoma, Olympia) experiences significant cloud cover, while eastern Washington (Spokane, Yakima, Tri-Cities) receives abundant sunshine comparable to California. Solar panels generate power even on cloudy days from diffuse sunlight, and modern technology has made solar viable across the entire state.
Net Metering and Economic Incentives:
Washington offers net metering, allowing homeowners to earn credits when their systems produce excess energy. These credits can offset electricity usage during lower-production periods or winter months. Washington provides sales tax exemption on solar equipment, significantly reducing upfront costs. The state also offers utility rebates and incentive programs that vary by provider. Washington electricity rates are moderate in some areas but high in others, particularly in Seattle and island communities. While Washington doesn’t offer state tax credits or SRECs currently, the combination of net metering, tax exemptions, and regional electricity costs creates competitive economics. Most Washington solar systems achieve payback within 11-15 years.
Pacific Northwest Climate and Clean Energy Values:
Washington’s climate is characterized by wet, mild winters and dry, sunny summers. Solar production peaks dramatically during summer months (May through September) when the Pacific Northwest enjoys long days and minimal cloud cover. Eastern Washington delivers excellent year-round solar production. The state also experiences occasional severe weather including windstorms, ice storms, and coastal storms that can cause power outages. Washington has set aggressive clean energy targets and strong public support for renewables. For Washington homeowners who value environmental leadership, want to reduce electricity costs, and align with the state’s clean energy vision, solar offers both practical benefits and values alignment.
