The theoretical maximum efficiency of a single junction silicon cell (Shockley–Queisser limit) is 33.7%.
As a means of electricity production, it's already better than fossil fuels in large parts of the world but fossil fuels are storable and that makes all the difference.
As a means of electricity production, it's already better than fossil fuels in large parts of the world but fossil fuels are storable and that makes all the difference.