The SolarUnion Team

Our team at SolarUnion is committed to delivering the highest level of customer service and satisfaction. When we say we’re here to take care of your home or commercial space, we mean it. We proudly serve customers throughout California—marketing, financing, building, and operating solar systems to deliver clean electricity at affordable rates. Our customers enjoy savings from day one, with cumulative savings in the thousands of dollars throughout the lifespan of their system. You can trust that we will be there for you to answer all of your solar questions or issues. No matter what the size or scope of your needs, our team has the skills and equipment to tackle them all.
  • We Treat Customers Like Family

    You can hold us accountable for decades. We will stand behind our work and do whatever it takes to remedy any issues you have.

  • Our Guarantee to You

    We offer a comprehensive Trifecta guarantee that covers for parts, labor and production for 25 years.

  • The Most Reliable Home Energy Provider

    We value delivering certainty when it comes to installing and maintaining clean, reliable solar energy.

  • We're Committed to Educating

    Solar is complicated and SolarUnion is here to educate homeowners not to push sales. We hire solar advocates, not sales reps.

  • We Respect the Roof

    We treat our customers' roofs like they are our own. An install will not be rushed if it means jeopardizing the integrity of the roof.

  • Making Solar Accessible to All

    Our goal is to help foster the adoption of renewable energy. No matter the type of roof or your credit, you can go solar.

  • I have told all my friends and neighbors about the benefits of our solar installation!

    “Dear Mr. Castillo and Mr. Sandoval, This note is just to inform you that the solar production at my residence for year two has exceeded the contracted amount. I am quite pleased, and the system has ...”

    - Larry
  • Operational in 5 weeks!!!

    “Unbelievable. Went from site inspection to system being fully operational in 5 weeks.”

  • They were very quick to follow through!

    “They were very quick to follow thru at every step, and extremely responsive to every question.”

  • They encouraged me to go out and keep comparing

    “I had never been invited by a salesperson to stop the conversation right there, go out and compare.”

  • Solar system is delivering incredible power!

    “The optimized solar system is delivering incredible power and more than enough to zero out the electric bill and sell some to the grid.”

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Ryan's Testimonial
Susan's Testimonial
Purobi's Testimonial
  • Ryan's Testimonial
  • Susan's Testimonial
  • Purobi's Testimonial
  • Diamond Certified
  • Trina Solar
  • Panasonic Solar
  • LG
  • SunPower
  • Tigo Energy
  • SMA
  • Quick Mount
  • PACE
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