One of the striking patterns of behavior in the energy industry over the last decade has been the ability of the "established" energy experts to completely underestimate the growth of renewable energy – and to overplay the credentials of fossil fuels.
So who is best at getting the forecasts right? This interesting graphic shows that the green NGOs – are a lot closer to the mark, particularly when it comes down to forecasts for wind and solar capacity additions.
The graph below pretty much speaks for itself. Greenpeace has been a lot closer to reality than the International Energy Agency. Perhaps it also has a better grip on how quickly the world can move to a largely renewable-based energy system.