Hopefully you can get the papers from these. The focus is mainly on domestic water heating but they’re not US studies.
https://doi.org/10.1016/j.enbuild.2018.03.048
https://doi.org/10.1016/j.jclepro.2017.12.150 - This one is very thorough
http://dx.doi.org/10.1016/j.rser.2017.04.065 - On concentrating solar, so larger scale applications
http://dx.doi.org/10.1016/j.solener.2015.03.021
http://dx.doi.org/10.1016/j.energy.2014.09.028
http://dx.doi.org/10.1016/j.jclepro.2014.06.035
Hope that helps 
Ruth