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Past and Future Global Energy Mix

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Affordable and Clean Energy

Part of the book series: Encyclopedia of the UN Sustainable Development Goals ((ENUNSDG))

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Energy mix: This refers to the combination of the various energy types that are used to satisfy the energy requirements of a particular region. Energy is the combined integration of electricity, transportation, and heating.

Energy density: This is the amount of energy per unit mass of material usually expressed in units of watt-hours per kg.

Energy utilization: This is the net energy delivered to the consumer after various processes that extract energy from the primary source. Sometimes this will be referred to as net electricity generation.

Energy units: A Terajoule is 1012 Joules and is equivalent to 165 barrels of oil or about 7000 gallons of crude oil. For power, a terawatt is 1012 watts. Over the course of a year a terawatt of power produces 8760 terawatt hours (TWHs) of energy. The unit MTOE stands for millions of tons of oil equivalent. 1 MTOE = 11.6 TWHs.

Energy loss: This is energy that is lost to the system, usually in the form of heat, when a primary energy...

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Correspondence to G. Bothun .

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Bothun, G. (2021). Past and Future Global Energy Mix. In: Leal Filho, W., Marisa Azul, A., Brandli, L., Lange Salvia, A., Wall, T. (eds) Affordable and Clean Energy. Encyclopedia of the UN Sustainable Development Goals. Springer, Cham. https://doi.org/10.1007/978-3-319-95864-4_60

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