‘Insanely cheap energy’: how solar power continues to shock the world – The Guardian

In the year 2000, the International Energy Agency (IEA) made a prediction that would come back to haunt it: by 2020, the world would have installed a grand total of 18 gigawatts of photovoltaic solar capacity. Seven years later, the forecast would be proven spectacularly wrong when roughly 18 gigawatts of solar capacity were installed in a single year alone.
Ever since the agency was founded in 1974 to measure the worlds energy systems and anticipate changes, the yearly World Energy Outlook has…

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