It seems to me that our problem has a lot less to do with the mechanics of solar power than the politics of human power—specifically whether there can be a shift in who wields it, a shift away from corporations and toward communities, which in turn depends on whether or not the great many people who are getting a rotten deal under our current system can build a determined and diverse enough social force to change the balance of power.
This Changes Everything: Capitalism Vs. The Climate (ed. Simon and Schuster, 2014) - ISBN: 9781451697384