Certification isn't a organization requirement for EnergySage installers, nevertheless it's remarkably recommended. In the event the installer started off working within the solar market in advance of NABCEP was fashioned in 2002 and it has a lengthy (and positive) track record, we may still permit them to join our Marketplace. https://www.americanarraysolar.com/4-key-focuses-when-hiring-solar-companies-in-berkeley/