Top 10 Solar Panels Manufacturers in Washington 2026
Last updated
FirmsLedger lists 10 solar panels manufacturers headquartered in Washington. The largest cluster is in Bellingham (2), and the other 8 are in 8 more cities. Bellingham listings include Ecotech Solar and Western Solar.
| Company | City | Specialty | Phone | Website |
|---|---|---|---|---|
| Ecotech Solar | Bellingham | Custom solar system design | (360) 318-7646 | ecotechsolar.com |
| Northwest Electric and Solar | Kenmore | Solar photovoltaic system design and installation | (206) 356-0601 | nwsolar.com |
| Fire Mountain Solar LLC | Mount Vernon | Solar system consulting and design | (360) 422-5610 | firemountainsolar.com |
| Silfab Solar Inc. | Burlington | Photovoltaic module manufacturing | (833) 998-6642 | silfabsolar.com |
| Solora Solar | Yakima | Solar site evaluation and system design | (509) 388-0239 | solorasolar.com |
| South Sound Solar, Inc. | Olympia | Solar photovoltaic system design | (360) 352-7869 | southsoundsolar.com |
| Sunergy Systems | Seattle | Solar PV system design | (206) 297-0086 | sunergysystems.com |
| Unity Solar | Vancouver | Solar photovoltaic system installation | (971) 379-7380 | unity-solar.com |
| Western Solar Inc | Bellingham | — | (360) 746-0859 | westernsolarinc.com |
| CapStone Solar | Lacey | — | (800) 583-3620 | capstonesolar.com |
Ecotech Solar
Bellingham, Washington
Ecotech Solar was founded in 2004 in Bellingham, Washington, by electrical engineer Dana Brandt. The company began with a mission to bring high-quality solar solutions to Northwest Washington through technical excellence and community commitment, and it remains locally owned.
Northwest Electric and Solar
Kenmore, Washington
Northwest Electric and Solar is based in Kenmore, Washington, and was founded in 2011 by Master Electrician Derek White. After a decade of commercial and residential electrical experience, White started the company to set a higher standard for renewable energy installations in the Pacific Northwest.
Fire Mountain Solar LLC
Mount Vernon, Washington
Fire Mountain Solar LLC is based in Mount Vernon, Washington, and has been operating since 2001. The business began with the design of an off-grid power system for the founders’ remote property, giving the team hands-on experience that still informs its work today.
Sunergy Systems
Seattle, Washington
Sunergy Systems was founded in Seattle, Washington, in 2005 as an employee-owned solar design and installation company serving the Puget Sound region, including Olympia, Greater Seattle, Kitsap County, and Mount Vernon. The company specializes in the sales, design, and installation of solar photovoltaic and backup energy storage systems for residential homes.
Unity Solar
Vancouver, Washington
Unity Solar operates from Vancouver, Washington, serving homeowners and businesses across the Pacific Northwest. The firm installs photovoltaic systems for both residential and commercial customers, handling 100 percent of installations with its own crews rather than subcontracting.
