In California, installers are required to have possibly a general contractors license or perhaps a C-forty six Solar Contractors License. This license covers installations for photovoltaic systems, solar water and House heating, and solar pool heating. Sunrun is among the premier solar companies inside the U.S., serving over 1 million https://solarvacavilleca.blogspot.com/2025/09/californias-premier-solar-power-company.html