Renewable technologies could supply 80% of the world’s energy needs by mid-century, says the Intergovernmental Panel on Climate Change (IPCC).
http://www.bbc.co.uk/news/science-environment-13337864
Germany has committed to this approach as we have already seen, is this the start of a gravitational pull in the direction of renewables?
Some say renewable power supply is too fluctuating and not manageable however this is a myth, just take a look here:
http://www.unendlich-viel-energie.de/en/electricity/combined-power-plant.html