Lots of folks in high-rate states like CA, MA, NH, VT, and ME still don't have air conditioners. Good solar air conditioner candidates.
Lots of folks live in areas that are warming up but don't have air conditioning. Does the cost of running an air conditioner have anything to do with this? For some, possibly. That's where solar-powered air conditioning would fit the bill to reduce the bill.
https://energyathaas.wordpress.com/2022/08/15/how-many-u-s-households-dont-have-air-conditioning/