Our Services
Commercial Solar
Non-Profit Solar
Off-Grid Solar
Generators (Home & Commercial)
Battery Backup Systems
Commercial Solar
Non-Profit Solar
Off-Grid Solar
Generators (Home & Commercial)
Battery Backup Systems
Why Work With Us?
Local
As a Grass Valley, CA owned and operated solar and backup power company, we pride ourselves on excellent customer service, and offer a 25-year parts and labor warranty
Expertise
Established in 2004, SEG is a multi-licensed contractor with a team of experienced and knowledgeable professionals specializing in solar energy systems in Northern California.
Value
Our goal is to maximize value, in terms of performance and return on investment without sacrificing quality.
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Quality
Our craftsmanship, attention to detail, technical knowledge, and state of the art technology combine to create visually appealing and high performance solar electric systems
We Do It The Right Way!
Quality: We hand-pick the best solar panels and equipment available
We have never had a roof leak in our 17 years in business!
Experienced Designers make all the difference! Our people are the best of the best!
Keeping You Updated: We believe in clear and honest communication.
No Sales Gimmicks or Empty Promises…ever!
★★★★★ 3 months ago
Mick Collins – Solar Customer in Penn Valley, CA
Sustainable Energy Group was incredible in all phases of our project. The initial consultation was informative and went over all of our options based on what we wanted to get out of a system.
They never pushed one option over another, simply provided us with the information we needed to make our decisions. The design and installation crews we’re efficient and professional, and I really appreciate the monitoring of our system. They let me know that I should trim a specific area of a specific tree to catch more rays.
I highly recommend talking to these guys if you’re considering solar, either residential or commercial.
Our Vision
Empower communities to build a more sustainable world now and for future generations
Our Mission
Is to help people realize sustainability through renewable energy as well as energy & water efficiency. We serve our client’s needs through education, careful planning and a collaborative process utilizing our group of experienced multidisciplinary professionals.
Sustainable Energy Group Inc., is a Grass Valley, California based solar contractor offering comprehensive energy efficiency, solar and backup power (battery & generator) services for residential and commercial buildings. SEG Solar is a licensed general, electrical, solar and plumbing contractor.
For over 15 years, Sustainable Energy Group has installed solar power and backup power systems (battery and solar panel pv installations & off-grid) for residential, commercial and non-profit customers in Northern California, Grass Valley, Nevada City, Penn Valley, Alta Sierra, Lake of the Pines, Lake Wildwood, Rough and Ready, Nevada County and the surrounding counties of Yuba, El Dorado and Placer in Auburn and Roseville and also Sacramento.
Sustainable Energy Group Inc., is a Grass Valley, California based solar contractor offering comprehensive energy efficiency, solar and backup power (battery & generator) services for residential and commercial buildings. SEG Solar is a licensed general, electrical, solar and plumbing contractor.
Local Education & Talks
For over 15 years, Sustainable Energy Group has installed solar power and backup power systems (battery and solar panel pv installations & off-grid) for residential, commercial and non-profit customers in Northern California, Grass Valley, Nevada City, Penn Valley, Alta Sierra, Lake of the Pines, Lake Wildwood, Rough and Ready, Nevada County and the surrounding counties of Yuba, El Dorado and Placer in Auburn and Roseville and also Sacramento.