Interesting new provisional data by the International Energy Agency (IEA) for 2013 show that driven by generation in non-OECD countries, electricity generated by coal reached its highest level yet at 9,613 TWh. This represents 41.1% of global electricity production. In the same year renewable electricity generation overtook natural gas to become the second largest source of electricity worldwide producing 22% of total electricity or 5,130 TWh. Global non-hydro renewable electricity also surpassed oil-fired generation for the first time ever in 2013, rising to 1,256 TWh or 5.4% of global electricity production.
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