In California, installers are needed to have both a basic contractors license or a C-46 Solar Contractors License. This license covers installations for photovoltaic systems, solar h2o and space heating, and solar pool heating. Sunrun is one of the premier solar corporations inside the U.S., serving more than one million https://solarinstallationprovidersnearme.blogspot.com/2025/08/professional-california-solar-panel.html