The National Renewable Energy Laboratory (NREL) team broke down all the costs that go into building solar projects of various sizes. Surprisingly, soft costs were the largest part of the costs for smaller like residential and commercial-scale projects, and the biggest reason these smaller systems cost so much more than utility-scale projects.
To download this graph and see it yourself, click on the link below:
To see the original source links and calculations, click below:
Code: g113 FinSolSysWatt xbFact energy fact