“States that have passed laws allowing the systems to be sold require them to be certified by organizations like UL Solutions, a company that tests, validates and sets standards for various products.” 3/3

Plug-In Solar Panels Are Starting to Sprout in U.S. BackyardsTen U.S. states have legalized systems that can be plugged into standard wall outlets. The technology typically does not require permits or electricians.www.nytimes.com