Home » Solar Companies » Best Solar Companies in Washington (2026): 13 Installers Compared

Best Solar Companies in Washington (2026): 13 Installers Compared

Compare 13 solar companies that work in Washington: rating, warranties, licenses, offices and contacts.

Top Solar Companies in Washington State

Washington solar companies

  1. Puget Sound Solar

    Seattle, WA · Washington only · solar since 2001

    5Top-ratedEcoGen rating · 88/100Google 4.9 ★ (95 reviews)
    Workmanship
    25 years (PSS Workmanship Warranty); its FAQ also lists a separate 10-year labor warranty
    Roof penetrations
    Not published
    Batteries
    Enphase IQ Battery 5P and Tesla Powerwall 3
    Ways to pay
    Cash, or a loan through a credit union (it names Puget Sound Cooperative Credit Union and Verity Credit Union)
    Solar since
    2001

    Seattle headquarters: 805 Rainier Ave S, Seattle, WA 98144 DirectionsPhone: (206) 706-1931Website: pugetsoundsolar.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection25/35
    • Local presence15/15
    • Track record10/10
    • Options8/10
    View Puget Sound Solar profile
  2. A&R Solar

    Seattle, WA · also Tualatin, OR · solar since 2007

    4.5ExcellentEcoGen rating · 80/100Google 4.8 ★ (142 reviews)
    Workmanship
    10 years (Perfect 10 Guarantee); labor to replace failed equipment is covered for 2 years
    Roof penetrations
    Not published
    Batteries
    Tesla Powerwall and the FranklinWH whole-home battery (it says it is a Tesla Powerwall Certified Installer)
    Ways to pay
    Cash, loans through local credit unions (not named) and a prepaid lease (terms not published)
    Solar since
    2007

    Seattle office: 9700 Martin Luther King Jr Way S, Seattle, WA 98118 DirectionsPhone: (206) 707-9937Website: a-rsolar.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection15/35
    • Local presence15/15
    • Track record10/10
    • Options10/10
    View A&R Solar profile
  3. Sunergy Systems

    Seattle, WA · Puget Sound region · solar since 2005

    4.5ExcellentEcoGen rating · 80/100
    Workmanship
    10 years (SolarClad warranty), plus 10-year full equipment replacement
    Roof penetrations
    Not published
    Batteries
    FranklinWH and Tesla Powerwall 3
    Ways to pay
    Cash, Puget Sound Cooperative Credit Union loans (10, 15 or 20 years) and a 25-year prepaid lease with Participate Energy
    Solar since
    2005

    Seattle office (L&I registry address): 4546 Leary Way NW, Seattle, WA 98107 DirectionsPhone: (206) 297-0086Website: sunergysystems.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection15/35
    • Local presence15/15
    • Track record10/10
    • Options10/10
    Visit Sunergy Systems website
  1. Forecast Energy

    Lynnwood, WA · Washington only · in business since 2005

    4.5ExcellentEcoGen rating · 73/100
    Workmanship
    10 years; it also handles maker warranty claims for 10 years
    Roof penetrations
    Not published
    Batteries
    EG4 PowerPro; it also names FranklinWH, Sol-Ark and HomeGrid among its certifications
    Ways to pay
    Cash, or a Puget Sound Cooperative Credit Union solar loan
    Solar since
    2005 (the company says it has served the Northwest since 2005)

    Lynnwood office: 3429 132nd St SW, Lynnwood, WA 98087 DirectionsPhone: (425) 487-6000Website: forecastenergy.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection10/35
    • Local presence15/15
    • Track record10/10
    • Options8/10
    Visit Forecast Energy website
  2. Northwest Electric & Solar

    Kenmore, WA · Washington only · founded 2011

    4Very goodEcoGen rating · 70/100Google 4.9 ★ (330 reviews)
    Workmanship
    25 years; labor to replace failed equipment is covered for 2 years
    Roof penetrations
    Not published
    Batteries
    Tesla Powerwall
    Ways to pay
    Cash, a Puget Sound Cooperative Credit Union loan, and a 25-year prepaid lease (Energy Service Agreement) owned by Participate Energy
    Solar since
    2011 (company founded by a master electrician)

    Kenmore headquarters: 18001 73rd Ave NE, Kenmore, WA 98028 DirectionsPhone: (206) 356-0601Website: nwsolar.com

    How this rating adds up
    • Licensing15/30
    • Warranty protection20/35
    • Local presence15/15
    • Track record10/10
    • Options10/10
    View Northwest Electric & Solar profile
  3. Solterra Solar

    Seattle, WA · greater Seattle area · solar since 2008

    4Very goodEcoGen rating · 68/100
    Workmanship
    10 years on its installations (transferable)
    Roof penetrations
    Not published
    Batteries
    Enphase IQ batteries and FranklinWH
    Ways to pay
    Cash, or no-money-down loans through local credit unions (not named)
    Solar since
    2008

    Seattle office: 2909 1st Ave S, Seattle, WA 98134 DirectionsPhone: (206) 462-1103Website: solar.solterra.com

    How this rating adds up
    • Licensing25/30
    • Warranty protection10/35
    • Local presence15/15
    • Track record10/10
    • Options8/10
    Visit Solterra Solar website
  4. Blossom Solar

    Arlington, WA · Washington owned and operated · no street address published

    4Very goodEcoGen rating · 60/100
    Workmanship
    10 years (10 Year Workmanship Guarantee), including labor on maker warranty replacements
    Roof penetrations
    It says it will fix any roof damage caused by items it installs; no separate term
    Batteries
    FranklinWH aPower 2 and aPower S, Tesla Powerwall 3 and Enphase IQ Battery 10C
    Ways to pay
    Not published
    Solar since
    Not published

    Based in: Arlington, WA DirectionsPhone: (425) 610-7067Website: blossomsolar.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection20/35
    • Local presence5/15
    • Track record0/10
    • Options5/10
    Visit Blossom Solar website
  5. Whidbey Sun & Wind

    Greenbank, WA (Whidbey Island) · northern Puget Sound · in business since 2000

    4Very goodEcoGen rating · 60/100
    Workmanship
    Not published
    Roof penetrations
    Not published
    Batteries
    Grid-tied systems with battery backup and off-grid systems; its example uses an LG Chem RESU10H battery
    Ways to pay
    Not published
    Solar since
    2000

    Based in: Greenbank, WA DirectionsPhone: (360) 678-7131Website: whidbeysunwind.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection0/35
    • Local presence15/15
    • Track record10/10
    • Options5/10
    Visit Whidbey Sun & Wind website
  6. Solora Solar

    Issaquah and Yakima, WA offices · serves western and eastern Washington · since 2005

    3.5GoodEcoGen rating · 58/100
    Workmanship
    10 years
    Roof penetrations
    Not published
    Batteries
    LG, Enphase, Tesla and Generac storage, per its homepage
    Ways to pay
    Cash, or loans; it names Puget Sound Credit Union as a partner and Atmos Financial for prequalifying
    Solar since
    2005

    Issaquah office (Seattle area): 22525 SE 64th Pl, Suite 200, Issaquah, WA 98027 DirectionsYakima office: 324 W Yakima Ave, Unit B, Yakima, WA 98902 DirectionsPhone: (425) 366-8953Website: solorasolar.com

    How this rating adds up
    • Licensing15/30
    • Warranty protection10/35
    • Local presence15/15
    • Track record10/10
    • Options8/10
    Visit Solora Solar website
  7. Fire Mountain Solar

    Mount Vernon, WA · Skagit County · solar since 2001

    3.5GoodEcoGen rating · 55/100
    Workmanship
    Not published
    Roof penetrations
    Not published
    Batteries
    Installs solar with battery backup; brands not named on the pages we read
    Ways to pay
    Not published
    Solar since
    2001

    Based in: Mount Vernon, WA DirectionsPhone: (360) 422-5610Website: firemountainsolar.com

    How this rating adds up
    • Licensing25/30
    • Warranty protection0/35
    • Local presence15/15
    • Track record10/10
    • Options5/10
    Visit Fire Mountain Solar website
  8. Green Ridge Solar

    Sherwood, OR · no Washington office published

    3.5GoodEcoGen rating · 55/100
    Workmanship
    25 years
    Roof penetrations
    Not published
    Batteries
    FranklinWH and SolarEdge batteries
    Ways to pay
    Not published
    Solar since
    Not published

    Phone: (503) 395-1943Website: greenridgesolar.com

    How this rating adds up
    • Licensing25/30
    • Warranty protection20/35
    • Local presence5/15
    • Track record0/10
    • Options5/10
    Visit Green Ridge Solar website
  9. MAD Energy NW

    Auburn, WA · no street address published

    3.5GoodEcoGen rating · 50/100
    Workmanship
    10 years
    Roof penetrations
    Not published
    Batteries
    Installs battery backup with solar; brands not named
    Ways to pay
    Not published
    Solar since
    Not published

    Based in: Auburn, WA DirectionsPhone: (253) 929-8284Website: madenergynw.com

    How this rating adds up
    • Licensing30/30
    • Warranty protection10/35
    • Local presence5/15
    • Track record0/10
    • Options5/10
    Visit MAD Energy NW website
  10. Sun's Eye Solar & Electric

    Tacoma, WA · says it serves all of Washington · solar since 2003

    3AverageEcoGen rating · 40/100
    Workmanship
    Not published
    Roof penetrations
    Not published
    Batteries
    Enphase IQ Battery 5P and Tesla Powerwall (it says it is an Enphase certified installer)
    Ways to pay
    Not published
    Solar since
    2003

    Tacoma office: 5249 S Puget Sound Ave, Unit B, Tacoma, WA 98409 DirectionsPhone: (253) 314-6555Website: sunseyesolar.com

    How this rating adds up
    • Licensing10/30
    • Warranty protection0/35
    • Local presence15/15
    • Track record10/10
    • Options5/10
    Visit Sun's Eye Solar & Electric website

Request Washington solar quotes

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Enter your ZIP code to ask solar providers that serve your area for quotes. Compare each quote with the checklist below.

Solar providers that serve your area may contact you, and they pay EcoGen for the introduction. Providers can include installers, solar marketplaces and lead exchanges, and more than one may contact you. How we make money.

Need to know

13solar companies rated
5 / 5Puget Sound Solar (Top-rated)
  • We rated 13 Washington solar companies on licensing, warranties, local presence, track record and options. The top three: Puget Sound Solar (5, Top-rated), A&R Solar (4.5, Excellent) and Sunergy Systems (4.5, Excellent).
  • Washington still credits extra power 1 kWh for 1 kWh, but only until June 30, 2029 or until your utility passes its cap. PSE and Pacific Power are already past it, and unused credits go to the utility every March 31.
  • Solar wiring is electrical work: it needs an L&I electrical contractor license. A company with only a construction contractor registration must subcontract the wiring. Check both on L&I’s Verify a contractor tool under the name on your contract.

What solar costs in Washington

$2.86per watt installed
$24,710typical 8.64 kW system
$17,160 to $34,320for 6 kW to 12 kW

Gross cash price before incentives. There is no federal credit for systems you own that are finished after December 31, 2025. Batteries and roof work cost extra. Compare each quote’s price per watt with these numbers.

Source: EcoGen Solar Cost Index, September 2026 Edition, prices as of September 25, 2026. Full breakdown: Washington solar panel prices.

Solar incentives, tax breaks and rebates in Washington

Net metering
Each extra kWh takes 1 kWh off a later bill. State law requires it until June 30, 2029, or sooner once a utility reaches 4% of its 1996 peak demand.
March 31 reset
Credits you have not used by March 31 each year go to the utility, with no payment.
Sales tax
No state or local sales tax on equipment for a 1 kW to 100 kW system, through December 31, 2029 (RCW 82.08.962). Labor is exempt only if the installer meets the state's conditions.
PSE battery payment
Flex Batteries pays $75 per kWh of battery size, up to $1,000 per battery, plus 50 cents per kWh sent out in Flex events, up to $500 a year.
Pacific Power battery payment
Wattsmart Battery pays $600 per kW of battery power, up to $3,000 per home, for owners on its net metering schedule.
Tax credits
None. Washington has no individual income tax, and the federal homeowner credit ended for systems installed after December 31, 2025.

Who qualifies, deadlines and sources: Washington solar incentives.

What to check with your utility

Puget Sound Energy (PSE)

  • PSE is past the state cap (132.25% on January 31, 2026). It keeps net metering open under its own Schedule 150 until a replacement takes effect and says it will give notice first.
  • Its other option, the Solar Energy Credit, pays 6.713¢ per kWh and cannot be combined with net metering. Check which one is on your application.
  • Flex Batteries pays up to $1,000 per battery at sign-up. You cannot join on a time-of-use plan.

Seattle City Light

  • Credits each extra kWh at your retail rate: 13.38¢ per kWh on the flat rate inside Seattle.
  • It had used 92.57% of its cap on January 31, 2026 and is planning the next phase, with a goal of at least six months' notice.
  • Ask City Light which rule covers an application filed today.

Avista (Spokane and eastern Washington)

  • Below the cap (77.84% on January 31, 2026) and no change reported to WSU, so the state rule applies: 1 kWh credit for 1 kWh exported.
  • Unused credits go to Avista every March 31. Confirm its current rule in writing before you sign.

Snohomish County PUD and other PUDs

  • Snohomish PUD keeps credits in dollars, at 10.613¢ per kWh since April 1, 2026. Credits cut only the energy part of the bill, not the daily base charge.
  • Clark County PUD (63.61%) and Tacoma Power (50.86%) were below the cap. WSU lists Franklin PUD, Kittitas PUD and OPALCO as no longer following the state credit rule.
  • A public utility changes its rule by a vote of its own board. Get the current credit in writing.

Pacific Power (Yakima and Walla Walla area)

  • Past the cap (115.42%). It asked the UTC to close net metering to applications after February 1, 2027 (Docket UE-250695, pending on October 1, 2026).
  • Under the proposal, a complete application by February 1, 2027 keeps net metering for 25 years. The UTC can change or reject it.
  • Wattsmart Battery pays $600 per kW, up to $3,000. Get the Washington terms in writing.

Check the company and its warranty

Three names can appear in one solar deal: the company that sells, the company that signs the contract and the licensed people who do the work. Check that they fit together.

Before your first sales call, read questions to ask your solar installer and how to read a solar quote.

Compare your Washington quotes

Ask every company to quote the same basics. Then the differences you see are real.

The boxes are for your own use. Nothing is saved or sent.

From quote to permission to operate

Some steps overlap, and timing depends on your town, your utility and equipment supply. Ask each installer for a written schedule for your project.

  1. Proposal and site check

    The installer looks at your roof, shading and electrical panel and gives you a written proposal.

    You and the installer
  2. Design and applications

    After you sign, the installer finishes the design and applies to your utility for the connection.

    Installer; you sign the forms
  3. Permits and utility review

    Your town or county reviews the building and electrical permits. The utility reviews the connection.

    Permit office and utility
  4. Installation and inspection

    The crew installs the system. A licensed electrician connects it, and the inspector checks the work.

    Installer crew, electrician and inspector
  5. Permission to operate

    The utility approves the system and updates your meter if needed. Turn the system on only after this step.

    Utility

How we rate Washington solar companies

Each company gets up to 100 points from facts anyone can check: its own website and Washington’s public license records, read October 14, 2026. Facts a company does not publish earn no points. No company pays for its rating, and we do not use customer star reviews.

  • Licensing (30 points): an active state license, a licensed electrician and license numbers printed on its website.
  • Warranty protection (35 points): workmanship warranty length, roof-penetration coverage in writing and any production guarantee.
  • Local presence (15 points): an office in Washington and Washington named as a service area.
  • Track record (10 points): years installing solar.
  • Options (10 points): batteries and the number of ways to pay.

Stars: 85 points or more is 5 (Top-rated), 72 is 4.5 (Excellent), 60 is 4 (Very good), 45 is 3.5 (Good), below 45 is 3 (Average). We did not inspect installations, collect customer quotes or test customer service.

Washington solar company FAQs

How do I check a Washington solar installer?

Search the company on L&I’s Verify a contractor tool by name, business number or license number. Look for an active electrical contractor license, because solar wiring is electrical work, and read the violations and strikes sections. A general contractor registration alone must subcontract electrical work. Then read the written workmanship warranty.

Does Washington have net metering?

Yes, for now. State law makes utilities credit each extra kWh against a later kWh until June 30, 2029, or sooner once a utility passes 4% of its 1996 peak demand. PSE and Pacific Power are past that cap, and PSE keeps net metering open by its own rule. Unused credits expire every March 31.

Is there a solar tax credit in Washington?

No. Washington has no individual income tax, so there is no state credit, and the federal homeowner credit ended for systems installed after December 31, 2025. The main state benefit is no sales tax on equipment for systems of 1 to 100 kW, through December 31, 2029.

Can I get paid for a home battery in Washington?

Two utilities pay. PSE Flex Batteries pays $75 per kWh of battery size when you enroll, up to $1,000, plus 50 cents per kWh during grid events, up to $500 a year. Pacific Power’s Wattsmart Battery pays $600 per kW, up to $3,000. Get the terms in writing before you buy.

Will the companies on this page contact me?

Not because they appear here. This page is an editorial comparison. If you request quotes, the providers that serve your area may contact you. They can include installers, marketplaces and lead exchanges. Our page on how we make money explains how EcoGen is paid.

More Washington solar guides

Request Washington solar quotes

When your shortlist is ready, enter your ZIP code to ask providers that serve your area for quotes.

Solar providers that serve your area may contact you, and they pay EcoGen for the introduction. Providers can include installers, solar marketplaces and lead exchanges, and more than one may contact you. How we make money.

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