Plug-in (or “balcony”) solar panels can also be hung out a window or be set up in a backyard, reports NPR. They channel energy from the sun straight into a home’s electrical outlet, generating enough electricity to power a refrigerator or microwave while “displacing electricity that otherwise would come in from the grid…”
But what’s holding up their adoption in America?
For the panels to become more widely available in the U.S., state lawmakers are proposing bills that…

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