You could recycle alternators and possibly electric car motors to create wind turbines and do housing installations. You can search for a junkyard for some of the materials. You can fill a niche and make a lot of money out of it. Solar installation is expensive. I’m clearly not an expert. Here’s some links…

https://windexchange.energy.gov/small-wind-guidebook#certifi...

https://www.windynation.com/jzv/inf/all-about-delco-style-al...