In California, installers are needed to have possibly a typical contractors license or possibly a C-forty six Solar Contractors License. This license handles installations for photovoltaic systems, solar h2o and space heating, and solar pool heating. Still have any inquiries, feel free to Call us. Go Green with Custom-made Solar https://bestsolarpanelinstallerscalifornia.blogspot.com/2025/08/affordable-livermore-solar-power.html