In California, installers are necessary to have both a typical contractors license or perhaps a C-46 Solar Contractors License. This license addresses installations for photovoltaic systems, solar drinking water and Place heating, and solar pool heating. Other certifications you need to look out for, none of which happen to be https://californiasolarcompany.food.blog/2025/08/23/california-solar-panels-energy-savings-with-expert-contractors/