Certification isn't really a business requirement for EnergySage installers, nevertheless it's really recommended. In case the installer begun Operating inside the solar sector in advance of NABCEP was fashioned in 2002 and it has a protracted (and positive) track record, we should still allow them to join our Marketplace. Tesla: https://bestsolarinstallationcompanycalifornia.sport.blog/2024/08/23/what-should-you-consider-when-hiring-commercial-solar-contractors/