1st, all solar installers need to maintain a sound and Lively license in the Contractors State License Board (CSLB). They can hold any of the following to be certified for solar installations in California: a solar contractor license, an electrical contractor license or even a general creating contractor license. Second, https://www.americanarraysolar.com/how-to-begin-your-journey-to-install-solar-for-your-home/