Agriculture is 44% of US land, PV on an area <1% is enough to power America. And this 1% can (and should) be deployed in deserts
The roof of every single new big box store should be covered in solar panels and we should start covering large parking lots in them too. Shaded parking that powers the area would be sweet.
There is even a potential convergence: https://en.wikipedia.org/wiki/Agrivoltaics