In California, Installers are needed to have possibly a typical contractors license or perhaps a C-46 Solar Contractors License. This license covers installations for photovoltaic systems, solar water and Area heating, and solar pool heating. They offer homeowners accurate information to help make the correct decision about products, pricing, installation, https://bestsolarinstallationcalifornia.school.blog/2025/09/14/california-solar-panel-system-designed-for-efficiency-and-savings/