Is plug-in solar legal in Illinois?

Illinois has no plug-in solar law yet (checked 28 Sep 2026). Without one, your utility's normal rules for connecting solar apply, so ask your utility before plugging in a kit.

Illinois law

No state law yet

State law: no plug-in solar law yet.

No plug-in solar law in Illinois as of 28 Sep 2026. Your utility's normal interconnection rules apply. General information, not legal advice.

More about plug-in solar in Illinois

How much would a plug-in solar kit save in Illinois?

It depends on which way the panels face, their tilt, how much of the power your home uses as it is made, and your utility's rate. The average residential electricity price in Illinois was 19.0¢/kWh (our 12-month average of EIA data, Aug 2025–Jul 2026). The calculator on canipluginsolar.com models it hour by hour for your address.