Plug-in solar panels are coming.

Plug-in or so-called balcony-solar systems have become popular in Germany in recent years. Ten American states have passed legislation making them legal, and many others are considering measures that would allow consumers to buy and install them.
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Plug-in systems can be as cheap as a few hundred dollars and typically top out at roughly $2,000.
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You want to look for products that carry the “UL 3700” certification. It indicates that the product has been tested and meets the safety criteria set by UL Solutions.

Contact your utility company before taking steps to implement plug-in solar panels.