Community Solar

Community Solar is a collective or sharing model for going solar. In Community Solar, a group of participants put up the money to build a larger solar array and then share the benefits among themselves as well as with the place where the solar is sited.

The National Community Solar Partnership (NCSP) is a coalition of community solar stakeholders working to expand access to affordable community solar to every American household by 2025. This partnership will develop multi-stakeholder teams to convene around specific goals, provide technical assistance for unique local challenges, and develop an online community platform to support information exchange. The program was announced on Wednesday, September 25, 2019. Click for more information

In Washington State, Community Solar makes solar accessible to are people who don’t own their own home, don’t have a sunny location, cannot afford the upfront cost of solar or simply want solar at a lower entry price.

Under Washington’s solar incentive program enacted in July 2017, a Community Solar program participants may receive incentive payments via an Administrator under a program governed by RCW 82.16.165. RCW 82.16.170 defines Community Solar program types and outlines the responsibilities of the Community Solar Project Administrator. However, it is important to note that Community Solar Projects may be structured completely differently outside of the State RESIP Program.

  • Program must be pre-certified by WSU extension energy program.
  • Maximum payment per participant is $5000 year.
  • Program parameters are described in the chart below and in RCW 82.16.165.
  • System size must be under 1000 KW.
  • Project must have at least 10 participants or one participant for every 10 KW of capacity, whichever is greater.
  • A Community Solar Project may be organized by a Washington electric utility or by a private entity.


Fiscal Year Ends Base Rate: Residential or Community Solar (per KWH) Base Rate: Commercial or Shared Commercial Solar (per KWH) Bonus for Modules (solar panels) Made in WA
6-30-2018 $.16 $.06 $.05
6-30-2019 $.14 $.04 $.04
6-30-2020 $.12 $.02 $.03
6-30-2021 $.10 $.02 $.02


Additional Resources

Read WSU's latest Legislative Report from October 2019 showing updated information concerning Community Solar projects in Washington. Click for details.

Visit the Washington Utility and Transportation Commission's website for more information on Community Solar. Click for details

In early 2019, Spark Northwest released a report entitled Community Solar in Washington State History and Path Forward that explains and analyzes past Community Solar state policies, including a focus on inequity, and makes suggestions for the future policies. The report describes models that have worked well in other states.

Examples of past Community Solar Projects under the legacy incentive program.

All of these projects are now complete.

In 2018, Benton Rural Electric Association will build a 30.12 KW Community Solar array if enrollment in this shared solar project reaches 100% by Oct 5, 2018. It is only open to Benton REA co-op members. Link to project details.

Community-Solar-Clark-Public-Utilities.jpg Clark PUD customers had the option to purchase one unit at a price of $100. All projects offered sold out in less than one month. Link to project details.

Spokane-based utility Avista, serving Washington, Idaho and Oregon customers, has a community solar array, with 650+ Washington electric customers as subscribers. Located in Spokane Valley the array has 54 Solectria Inverters and 1,512, 280-watt polycrystalline silica photovoltaic solar panels from Itek Energy. Link to project details

Anacortes-Library-Solar-Project.jpg The Anacortes Public Library community solar system was funded by Skagit Community Solar Projects using an LLC model under the legacy incentive program. Link to project details.

The Wood Stone Community Solar Project out of Bellingham is a manufacturing company of stone hearth and specialty commercial cooking equipment and now has solar on its manufacturing facility roof thanks to the vision and commitment of its employees. Link to project details

CapHillRendering-CommunitySolarProject.jpg Seattle City Light has teamed up with affordable housing provider Capitol Hill Housing (CHH), for its fourth Community Solar project. Capitol Hill Housing helps people of limited means to have a home by providing secure, affordable apartments to more than 1,700 of our neighbors across the city. Link to project details. Link to project details
Friends of the Olympia Farmers Market installed a community owned solar system atop the Olympia Farmer’s Market building in 2011. Link to project details.

Another model for taking collective action is called Solarize (a program of Spark Northwest). In this model, a group of home-owners each buy their own solar systems but they come together to go solar as a neighborhood and get a group-buy discount. Together they select one installer and set the time schedule. Learn about the current Solarize Campaigns.


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  • Joan Schrammeck
    commented 2018-02-07 21:46:29 -0800
    Dear Diane,
    WA State Parks renovated the restroom at Camano Island State Park and put solar on top. The solar helps to offset grid power needed to pump waste a long distant and uphill drainfield, so an unusual situation. It’s also a well-used larger “comfort” station. There might be a public record of what the whole restroom cost.
  • Diane Nebel
    commented 2017-10-11 09:49:33 -0700
    The Rosalia Visitor Center for the Steptoe Battlefield and community (which is a restored 1923 Texaco Station and is on the National and State List of Historic Places, was completed in 2006. Since that time funds have not been available to continued with Phase 3 which is installing a 24/7 public restroom (which is required before the Dept of Transportation will place a directional sign on nearby SR195. Plans are underway and funding maybe possible but we need to contact a contractor in the Spokane area that will give us an idea of what a solar powered 24/7 unit and will cost ? Any help will be appreciated.

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