World Energy Consumption Measure

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An World Energy Consumption Measure is a human consumption measure of energy.



References

2021

  • https://ourworldindata.org/energy-mix
    • QUOTE: ... Here we take primary energy based on the ‘substitution method’ for energy accounting. For those interested in energy accounting methods, at the end of this post we look at comparisons of direct versus substitution methods. The quick summary of it is that this accounting method tries to account for the energy lost from the inefficiencies in fossil fuel production and aims to provide the appropriate comparison of how much more low-carbon energy we would need to replace fossil fuels in the energy mix. It’s one of the preferred accounting method used by the Intergovernmental Panel on Climate Change (IPCC).5 ...

2019

  • (Wikipedia, 2019) ⇒ https://en.wikipedia.org/wiki/world_energy_consumption Retrieved:2019-4-9.
    • World energy consumption is the total energy used by the entire human civilization. Typically measured per year, it involves all energy harnessed from every energy source applied towards humanity's endeavours across every single industrial and technological sector, across every country. It does not include energy from food, and the extent to which direct biomass burning has been accounted for is poorly documented. Being the power source metric of civilization, World Energy Consumption has deep implications for humanity's socio-economic-political sphere.

      Institutions such as the International Energy Agency (IEA), the U.S. Energy Information Administration (EIA), and the European Environment Agency (EEA) record and publish energy data periodically. Improved data and understanding of World Energy Consumption may reveal systemic trends and patterns, which could help frame current energy issues and encourage movement towards collectively useful solutions.

      Closely related to energy consumption is the concept of total primary energy supply (TPES), which - on a global level - is the sum of energy production minus storage changes. Since changes of energy storage over the year are minor, TPES values can be used as an estimator for energy consumption. However, TPES ignores conversion efficiency, overstating forms of energy with poor conversion efficiency (e.g. coal, gas and nuclear) and understating forms already accounted for in converted forms (e.g. photovoltaic or hydroelectricity). The IEA estimates that, in 2013, total primary energy supply (TPES) was 1.575 × 1017 Wh (= 157.5 PWh, 157,500 TWh, 5.67 × 1020 joules, or 13,541 Mtoe) or about 18 TW-year. From 2000–2012 coal was the source of energy with the largest growth. The use of oil and natural gas also had considerable growth, followed by hydropower and renewable energy. Renewable energy grew at a rate faster than any other time in history during this period. The demand for nuclear energy decreased, in part due to nuclear disasters (e.g. Three Mile Island 1979, Chernobyl 1986, and Fukushima 2011). [1] More recently, consumption of coal has declined relative to "renewable" energy. Updating the pie chart to the right ("World total primary energy consumption by fuel in 2015") with 2017 measures from the same source, coal dropped from about 29% of the global total to 27%, and non-hydro renewables were up to about 4% from 2%. [2] In 2011, expenditures on energy totalled over 6 trillion USD, or about 10% of the world gross domestic product (GDP). Europe spends close to one-quarter of the world's energy expenditures, North America close to 20%, and Japan 6%. [3]

  1. World Energy Assessment (WEA). UNDP, United Nations Department of Economic and Social Affairs, World Energy Council, New York
  2. Statistical Review of World Energy (June 2018)
  3. Nathalie Desbrosses, World Energy Expenditures, Leonardo Energy, Nov. 28 2011 (accessed 30 January 2015)