The global energy transition continues to unfold much faster than most people realise. The latest figures show that new global renewable power generation capacity exceeded new fossil-fuel capacity in 2016, just as it did in 2015.

Onshore wind and solar will become the cheapest two options in many nations by 2020, analysts now profess, with PV set to become the cheapest power on Earth: it is already less than half the price of coal in recent auctions.