Certification isn't a company prerequisite for EnergySage installers, nonetheless it's really suggested. In case the installer started off Doing the job in the solar business prior to NABCEP was formed in 2002 and it has a protracted (and beneficial) history, we may still permit them to join our Market. Tesla: https://californiasolarinstallation.wordpress.com/2024/08/23/what-should-you-consider-when-hiring-commercial-solar-contractors/