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Energy consumption by source, World

Primary energy consumption is measured in terawatt-hours (TWh). Here an inefficiency factor (the 'substitution' method) has been applied for fossil fuels, meaning the
shares by each energy source give a better approximation of final energy consumption.

1965201919701980199020002010BiofuelsSolarWindHydropowerNuclearGasCoalOilOtherrenewables