A friend did a self-install on his own for about 8K to kill his entire winter bill plus some extra.. summer bills are small. Around here depending on utility provider, the payback is as quick as 3-4 years with our crazy summer AC bills.

One neighbor has is house during summer at 68* when it's 100+ out... no bill with his solar. I bet his bill would be 700+ during summer with that indoor temp and AC running 18 hours a day.

Lots of places it doesn't make sense. In the desert here, we have two primary electric providers. One is much more expensive than the other and it makes sense to do solar in their area. The less expensive provider, it's basically a wash for the most part unless you have significant usage, pool spa, water features, huge AC units.