Solar Design & Installation | Oakland (510) 868-0564 | Sebastopol (707) 861-8550

7.6 kW - Alamo, CA

Roof Mounted (Flush)

8.6 kW - Berkeley, CA

Low Profile Tilt Mounted

26.4 kW - Marin, CA

Ground Mounted

8 kW - Plymouth, CA

Pole Mounted

4.8 kW - Sebastopol, CA

Roof Mounted (Flush)


$0 Down Solar Financing - 20 Year Term up to $65,000!!

Electric bills of $200 or more? Go solar now with $0 Down and a lower monthly payment than your current PG&E electric bill. NOW is the time to go Solar! Click Here
  • Full Service Solar Provider

    We make it easy to go solar! From design to installation, to financing and monitoring, Alter Systems manages every step of the process.

    "Alter Systems takes care of all the paperwork for all the rebates and ..."

  • Financial Options

    “One of the benefits of working with Alter Systems for your solar PV project is that we offer great payment options. When you meet with our sales consultant, make sure you ask about our Solar Own & CaliforniaFIRST (PACE) loan programs”