The authors have an academic and polite argument with other researchers on whether solar PV or wind power will be the cheapest source of energy for the UK in 20

The authors have an academic and polite argument with other researchers on whether solar PV or wind power will be the cheapest source of energy for the UK in 2030 and so dominate the energy mix. Whichever side is correct, it's kind of amazing that we've got to a place where that is worthy of debate. It also bodes well for the rest of Europe which is in general better for solar.