solar grass valley northern california

Our Services

Why Work With Us?

 3 months ago
Stellar solar guidance from start to finish – professionalism, expertise & knowledge off the charts. Committed to their customers, to their community and the environment. No wrong turns in working with this company – truly understand what delivering caring competency to customers means. Most professional crew I’ve ever engaged with as well. Stay calm and let’s all solar on! 🙂
Beryl Maclean in Grass Valley, California, Residential Solar Installation
Sustainable Energy Group Solar Company in Nevada County serving Nevada City, Grass Valley, Penn Valley

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.