Thanks @AliciaP1, that was helpful. I assume that the basis would be the actual basis, not the reduced basis that the business would need to report for depreciation purposes (see Guide to the Federal Investment Tax Credit for Commercial Solar PV - 2021.pdf .
It would be helpful if Turbotax business were to provide more guidance in the program so that people like me do not have to spend precious hours researching the topic! 😁
At least we can now find the answer in the forum!
