Depending on where you live, that you can buy solar panels+battery kits that plug into the wall and feed the circuit that way, no need to run extension cords to

Depending on where you live, that you can buy solar panels+battery kits that plug into the wall and feed the circuit that way, no need to run extension cords to plug in individual appliances. However I don't think those types of setups are legal in the US, they don't trust the backfeed protection