In 2002, the IEA Predicted Solar Was Going Nowhere. And in 2003. And 2004. And 2005…


Every year the International Energy Agency publishes the World Energy Outlook, which, among other things, forecasts the growth rate of solar PV installations. The 2016 edition even included a whole “special focus” on renewable energy. Presumably this means they took an extra careful look at their solar PV forecast. Here it is:

That looks…odd, doesn’t it? Solar PV has grown at a pretty fast clip over the past decade, but the IEA assumes the growth rate will suddenly level out starting this year and then start to decline. And this is their optimistic scenario that takes into account pledges made in Paris.

What can we make of this? Auke Hoekstra provides some context:

Every single year, the IEA projects that solar is a passing fad and its growth rate will level out that year. And every single year, solar continues to grow anyway. But the next year the IEA makes the exact same forecast. It’s almost as if they have some kind of hidden agenda here.

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