About US

Alter Systems was founded in 2004 to meet the growing demand in the greater bay area for alternative energy solutions for homeowners and commercial businesses. The vision is to provide customers solar energy alternatives to fossil fuels that are both affordable and sustainable.

Alter Systems’ 25 + years of experience in solar design and installation and knowledge about financial incentives and tax advantages available, has guided thousands of people to happier, greener lives throughout California and beyond.

Call us today:  | Berkeley (510) 868-0564 | Sebastopol (707) 324-9444

email customer service at cs@altersystems.com