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Washington Solar

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:
149 (36 Manufacturers, 61 Installers/Developers, 49 Others)
Total Solar Investment in State
$370.74 million
Prices have fallen
55% in the last five years
Growth Projection and Ranking:
315 MW over the next 5 years (ranks 31st)

Washington is home to 161 solar companies throughout the supply chain, 35 of which work hard to manufacture quality solar products.


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

See our solar installations maps

Solar Companies in Washington

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

EnergySage Solar Data Explorer – Washington – Review the costs and benefits of installing solar panels in Washington, based on real price data from solar quotes.


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:

Number Of Installations