Photovoltaic growth: reality versus projections of the International Energy Agency – with 2018 update

I posted a graph on Twitter illustrating the disconnect between historic projections regarding solar panels and actual developments. It was widely retweeted but people wanted to know how it was constructed. In this blog I explain step by step how I did it and I add some observations along the way.

People also ask me: how do you explain this disconnect with reality? You can click on this link to find out.

I used thirteen World Energy Outlook (WEO) reports of the International Energy Agency (IEA). All data used in the production of the graph was taken from these tomes. I chose this publication because it is the most influential projection used by policy makers in the energy domain, but we could have taken other organizations (e.g. the EIA) where the disconnect is similar.

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