Certification Isn't a business need for EnergySage installers, but it's highly advised. If your installer began Operating in the solar field right before NABCEP was shaped in 2002 and it has an extended (and favourable) track record, we should allow them to affix our Marketplace. Barring unavoidable utility overhead rates, https://teslapowerwallinstallers.blogspot.com/2024/09/ideas-to-select-best-solar-providers.html