Luminalt is a locally owned solar and energy storage installation company, founded in San Francisco in 2004 by wife and husband team Jeanine and Noel Cotter. From its earliest days, the company has been at the forefront of the California solar industry. Luminalt stands apart for its focus on customer satisfaction, community involvement and solar advocacy. An elite SunPower dealer, Luminalt is committed to the highest standards of excellence, offering SunPower panels, the most powerful solar technology on the planet, and the Tesla Powerwall for energy storage. Our experienced staff specialize in designing creative rooftop solutions for San Francisco’s dense building challenges. Our community service ethic shines through in the multiple solar installations for Bay Area nonprofit organizations as well as locally owned businesses. When you are ready to go solar, talk to the local solar experts.

Award-Winning Work

Luminalt has been honored with multiple awards, from customer service excellence to our continued commitment and advocacy to environmental sustainability.

In fact, Luminalt Co-Founder and Chief Technology Officer Noel Cotter is a long-time solar expert who writes the exam questions for the California State Licensing Board’s solar exam (C-46).