Very First, all solar installers should keep a legitimate and active license within the Contractors Condition License Board (CSLB). They are able to keep any of the next to be Accredited for solar installations in California: a solar contractor license, an electrical contractor license or even a general making contractor https://www.americanarraysolar.com/what-questions-to-ask-solar-companies-in-california-you-shortlist-before-hiring/