Solar Owners Manual

This guide serves as a support for solar homeowners whether you’ve just gone solar or you’ve had

solar for years. Our goal is to provide practical information and tips to ensure you get the most out of

your solar array. We’ve partnered with Solar United Neighbors (SUN) to provide this Solar Owner’s Manual to you as a complimentary resource. We hope you find it useful now and throughout the life of your array.

Washington Applicable Solar Incentives

  • Solar is exempt from Washington State sales tax – 6.5% off the top!
  • Your solar investment is eligible for a Federal Income Tax Credit. Learn more about the ITC from the Department of Energy. Roofing work associated with a solar installation is not eligible for the credit. 
  • Washington has a NET METERING law that allows you to trade your solar generation with the electric utility. Credits in most utility districts are a one-for-one kWh trade, and each month any excess credits roll forward. Watch the video below for more details: 

Residential Solar Education and Resources

EnergySage is a great resource to learn more about solar. They provide great resources to learning about anything from the installation process to receiving a quote on your house. You can check out their website for more information regarding solar and watch their videos explaining different processes.

Choosing A Solar Installer

Five Steps to Solar

Solar Funding Opportunities in Washington

For Businesses: 


Rural Energy for America Program (REAP) Renewable Energy Systems & Energy Efficiency Improvement Guaranteed Loans & Grants
REAP provides guaranteed loan financing and grant funding to agricultural producers and rural small businesses for renewable energy systems or for energy-efficiency improvements. Agricultural producers may also apply for new energy-efficient equipment and new system loans for agricultural production and processing. The Pierce Conservation District provides free REAP application support statewide. 

Community Property Assessed Clean Energy and Resiliency (C-PACER) Financing Program
C-PACER is an alternative loan program that allows owners of eligible commercial properties to seek long-term financing from a private-capital provider for energy efficiency, renewable energy and resiliency improvements. C-PACER loans are tied to the property, rather than the owner, through an annual property assessment managed by a third-party capital provider. In 2021, the Thurston County Board of Commissioners passed a C-PACER ordinance, enabling commercial property owners in Olympia and Thurston County to access this innovative financing tool.


For non-profits, public entities, and Tribes:  

  • The TransAlta Coal Transition Fund provides solar grants statewide.
  • The Washington State Department of Commerce’s Clean Energy Fund provides grants for solar projects.
  • The Puget Sound Energy’s green power fund provides solar grants for projects in PSE service territory.
  • Tacoma Power’s Evergreen Options fund provides solar grants for projects in Tacoma Power’s service territory.

For The KIDS

Solar Quotes - Thurston County Washington

Consider signing up for a free home solar assessment – choose up to three installers to provide quotes.

  • Ideal times to call, alternative dates, etc.

Solar Financing - Thurston County Washington

Most customers need financing for a solar installation, tree removal, roof repair, or anything else. Here are some credit unions that offer clean energy financing.


Resource: Homeowner’s Guide to Solar Financing


Why is Community Solar Important?

Community solar overcomes barriers to solar energy. Those who cannot put solar on their own roof or afford solar individually can participate in and benefit from community solar.  Renters, multifamily buildings, and shaded buildings are only a few of the many barriers to solar ownership.

Community solar accelerates the adoption of solar energy through collaborative investment, builds new economic opportunities and creates good paying jobs, and reduces pollution. 

Grid Alternatives Community Solar Graphic
Community Solar installations represent many different contributors.

Community Solar Education and Resources

Solar Advocacy

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