Most oil and gas lease sites have solar. It’s just a mast with 2 panels on them about 4 feet by 2 feet. They power the entire site normally. Keep in mind it’s usually 24VDC. For a 120/208 system, you’d need something a bit more robust.
Yeah, so do the railroads for the monitoring stations. Highway departments...water...
So will I when I get it built at my place in Alabama to run a security system and for other purposes.