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Washington Solar

Data Current Through:
Q1 2018
Solar Installed (MW):
National Ranking:
31st (34th in 2017)
State Homes Powered by Solar:
Percentage of State's Electricity from Solar:
Solar Jobs:
Solar Companies in State:
108 (20 Manufacturers, 44 Installers/Developers, 44 Others)
Total Solar Investment in State
 $395.85 Million 
Prices have fallen
47% over the last 5 years
Growth Projection and Ranking:
375 MW over the next 5 years (ranks 28th)
Number Of Installations


Washington PV Installation Forecast

View more solar industry data

Notable Solar Installations in Washington

  • Wild Horse was completed in 2009 by developer Puget Sound Energy. This photovoltaic project is among the largest solar installations in Washington and has the capacity to generate 0.5 MW of electricity -- enough to power over 49 Washington homes.5

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

Solar Companies in Washington

Looking for a local installer? Use the SEIA EnergySage Marketplace to compare quotes and find companies in your area. You can also review the average costs for installing solar in Washington, based on real price data from solar quotes.

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

Washington State Solar Policy Resources

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

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

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

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


1All data from SEIA/GTM Research U.S. Solar Market Insight unless otherwise noted:

2Energy Information Administration, Electric Power Monthly:

3The Solar Foundation, State Solar Jobs Census:

4SEIA, National Solar Database:

5SEIA, Major Solar Projects List: