You can, but the expense is so great that you will never recoup it !

It is, in theory, possible to do this. Batteries store the power the solar panels collect during the day, to be used at night. Consider though, solar power is very expensive in itself. Maybe not quite 30K, but it’s up there .

You might also want to check out wind power. Some of the larger wind silos they have now a days can produce a tremendous amount of power.