In California, installers are necessary to have both a basic contractors license or a C-46 Solar Contractors License. This license addresses installations for photovoltaic systems, solar h2o and Place heating, and solar pool heating. To understand California solar incentives or have a custom made price savings estimate using our Solar https://solarinstallersfresno.business.blog/2025/11/19/top-solar-company-in-livermore-clean-energy-made-easy/