Here are 3 vital insights installers shared about the state of solar in 2021
Electrek
MAY 4, 2022
US Department of Energy-funded solar marketplace EnergySage and nonprofit accreditation body The North American Board of Certified Energy Practitioners ( NABCEP ) just released the results of the 2021 Solar Installer Survey , which polled more than 500 residential and commercial solar installers across 43 states, Puerto Rico, and Washington, DC.
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