Initial, all solar installers will have to maintain a sound and Energetic license from the Contractors Condition License Board (CSLB). They can maintain any of the subsequent for being Qualified for solar installations in California: a solar contractor license, an electrical contractor license or simply a basic developing contractor license. https://www.americanarraysolar.com/how-do-the-solar-installers-fresno-decide-which-solar-panels-to-install/