Wow,Solar prices in the USA are pretty high. I live in India where solar is under 1.2USD/watt installed. This is for a good module and very good inverter.
I have seen quotations for under a dollar a watt using cheaper components
I have seen quotations for under a dollar a watt using cheaper components
For very large commercial/utility installations it falls close to that ($1.40 including land and transformers).
https://pv-magazine-usa.com/2016/09/29/nrel-u-s-utility-scal...