There's still a margin of soft costs that can be reduced (more in the residential than commercial/utility sectors, admittedly): https://www.nrel.gov/docs/fy19os

There's still a margin of soft costs that can be reduced (more in the residential than commercial/utility sectors, admittedly): https://www.nrel.gov/docs/fy19osti/72399.pdf https://www.nrel.gov/docs/fy19osti/72399.pdf