State Solar Policy

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Washington Solar

Washington is home to 135 solar companies throughout the supply chain, 35 of which work hard to manufacture quality solar products.

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Facts on the Washington Solar Industry

  • There are currently more than 135 solar companies1 at work throughout the value chain in Washington, employing 2,262 people2.
  • In 2015, Washington installed 26 MW of solar electric capacity, ranking it 20th nationally3. Installed solar capacity in Washington has grown by 85% over the last year. 
  • In 2015, $88 million was invested on solar installations in Washington.  This represents a 82% increase over the previous year, and is expected to grow again this year. 
  • The 76 MW of solar energy currently installed in Washington ranks the state 26th in the country in installed solar capacity.  There is enough solar energy installed in the state to power 7,400 homes.
  • Over the next five years, Washington is expected to install 328 MW of solar electric capacity, ranking the state 25th over that time span. This amount is more than 6 times the amount of solar installed over the last five years.
  • Installed solar PV system prices in the U.S. have dropped steadily- by 12% from last year and 66% from 2010.

View more solar industry data

Notable Solar Installations in Washington

  • Wild Horse was completed in 2009 by developer Puget Sound Energy. This photovoltaic project has the capacity to generate 1 MW of electricity-- enough to power over 100 Washington homes4.
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See our solar installations maps

Solar Companies in Washington

There are currently more than 135 solar companies at work throughout the value chain in Washington.  These companies provide a wide variety of solar products and services ranging from solar system installations to the manufacturing of components used in photovoltaic panels.  These companies can be broken down across the following categories: 35 manufacturers, 13 manufacturing facilities, 44 contractor/installers, 9 project developers, 10 distributors and 37 engaged in other solar activities including financing, engineering and legal support.

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

How much do solar panels cost in Washington? 

Solar panel costs have fallen significantly in the last 5 years and now installing solar panels can be one of the best investments you can make for your home. There are also now a lot of products on the market utilizing sophisticated financing vehicles to make solar panels for your home affordable. This website will show you the average retail price of installing home solar panels in Washington.

Solar rebates and solar tax credits in Washington.

Solar incentives are offered at the utility, county, state and federal level. These solar incentives can take various forms including solar tax credits, up front solar rebates, premium feed in tariffs (known as net metering) or solar production incentives.The eligibility and rules for each incentive program can vary greatly. This solar panel calculator allows you to enter your address and it will tell you what solar incentives will apply at your house and the value of these if you go solar.

Finding the right solar company for you:

There are many solar companies in Washington offering a wide variety of brands and options. This consumer reviews website will show you the consumer ratings of each solar installer that services your area and will also show you what brands of solar panels.

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


2The Solar Foundation, 2015 National and State Solar Jobs Census,
3This and all other data in this section from SEIA/GTM Research U.S. Solar Market Insight