World Energy Outlook 2017 (Executive Summary)

Four large-scale shifts in the global energy system set the scene for the World Energy
Outlook-2017 (WEO-2017):

  • The rapid deployment and falling costs of clean energy technologies; in 2016, growth
    in solar PV capacity was larger than for any other form of generation; since 2010, costs
    of new solar PV have come down by 70%, wind by 25% and battery costs by 40%.
  • The growing electrification of energy; in 2016, spending by the world’s consumers on
    electricity approached parity with their spending on oil products.
  • The shift to a more services-oriented economy and a cleaner energy mix in China, the
    world’s largest energy consumer, subject of a detailed focus in this Outlook.
  • The resilience of shale gas and tight oil in the United States, cementing its position as
    the biggest oil and gas producer in the world even at lower prices.


International Energy Agency (IEA)

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