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Washington Solar

Data Current Through:

Q4 2023

Solar Installed (MW):
National Ranking:
33rd (37th in 2023)
Enough Solar Installed to Power:
70,241 homes
Percentage of State's Electricity from Solar:
Solar Jobs:
Solar Companies in State:
142 (30 Manufacturers, 59 Installers/Developers, 53 Others)
Total Solar Investment in State:
$1.7 billion
Prices have fallen
47% over the last 10 years
Growth Projection and Ranking:
1,343 MW over the next 5 years (ranks 33rd)
Number Of Installations:

View more solar industry data

Notable Solar Installations in Washington

  • Adams Nielson in Lind was developed by Strata Solar and came online in 2018. This 28 MW project produces enough electricity to power 3,053 homes.
  • IKEA, Walmart, and FedEx have all gone solar in Washington. IKEA's 1.2 MW project in Renton is one of the largest corporate projects in the sate. 
  • At 6.4 MW, Penstemon Solar Project in Ellensburg is among the largest solar installations in Washington. Completed by TUUSO Energy in 2022, this solar project has enough electric capacity to power more than 698 homes.

Check out our Major Solar Projects List for more notable installations.

Solar Companies in Washington

Looking for a local installer? Use SolarReviews to get company reviews and estimates for solar in your area. You can also view the average costs for installing solar in Washington, based on real price data from installed systems and solar quotes.

Don't see your company listed? Complete our National Solar Database Survey!

If you're looking for information about local solar companies, check out EnergySage's list of solar companies in Washington, where you can check out information about each company and see real customer reviews.

Washington State Solar Policy Resources

DSIRE Incentives Database - Washington – Search a public clearinghouse for specific solar energy incentives in Washington and across the United States

Solar Panel Cost in Washington - Learn about the history of solar policy in Washington, along with up-to-date pricing information on EnergySage

Solar Rebates & Incentives in Washington - Check out EnergySage's list of key solar incentives in Washington to see what programs you can benefit from

U.S. Energy Information Administration - Washington State Profile – Explore official energy statistics, including data on electricity supply and demand, from the U.S. government

Washington State Energy Office

Washington State Legislature – Track pending legislation affecting solar energy, locate and contact individual legislators, and stay up to date on current legislative issues in Washington

Washington Solar Panels Overview - Learn about the history of solar policy in Washington, along with up-to-date pricing information on EnergySage

Washington Utilities and Transportation Commission – Learn about the governing body that regulates the electricity rates and services of Washington public utilities