The fall in costs that has driven solar’s rapid growth is slowing - but scientists are exploring the next generation of materials that can harness more energy from the sun
Some people call it the “sunrush”: a 25-year period in which solar power has grown exponentially, transforming the technology from rarefied oddity to the world’s fastest-growing energy source.
This surge, which saw 100MW of capacity in 1992 rocket to more than 300GW in 2016, has been largely driven by falling costs, which plunged 86% between 2009 and 2017.
from The Guardian http://ift.tt/2HRfO3t
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