The world will move from today’s global electricity generation of 24,219 TWh to a little over double this figure at 53,153 TWh per annum by 2050, with the largest gains in China. Despite this huge increase in power requirement, the world will manage to shift dramatically from the coal and gas based generation of today, to one where renewables – mostly solar and wind – are dominant. These are the conclusions of a new report just out entitled “Look Back in Anger,” from Rethink Energy, which builds a 2050 energy model with almost zero emissions, and then looks back at the hurdles which were thrown up to prevent us getting there. Both Hydro and Nuclear will end up offering more…