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  2. Energy hierarchy - Wikipedia

    en.wikipedia.org/wiki/Energy_hierarchy

    The Energy Hierarchy is a classification of energy options, prioritised to assist progress towards a more sustainable energy system. It is a similar approach to the waste hierarchy for minimising resource depletion, and adopts a parallel sequence.

  3. Lithium - Wikipedia

    en.wikipedia.org/wiki/Lithium

    Lithium is one of the elements critical in a world running on renewable energy and dependent on batteries. This suggests that lithium will be one of the main objects of geopolitical competition, but this perspective has also been criticised for underestimating the power of economic incentives for expanded production. [108]

  4. Energy density Extended Reference Table - Wikipedia

    en.wikipedia.org/wiki/Energy_density_Extended...

    Metallic hydrogen (recombination energy) 216 [2] Specific orbital energy of Low Earth orbit (approximate) 33.0: Beryllium + Oxygen: 23.9 [3] Lithium + Fluorine: 23.75 [citation needed] Octaazacubane potential explosive: 22.9 [4] Hydrogen + Oxygen: 13.4 [5] Gasoline + Oxygen –> Derived from Gasoline: 13.3 [citation needed] Dinitroacetylene ...

  5. Energy mix - Wikipedia

    en.wikipedia.org/wiki/Energy_mix

    The energy mix is a group of different primary energy sources from which secondary energy for direct use - such as electricity - is produced. [1] Energy mix refers to all direct uses of energy, such as transportation and housing, and should not be confused with power generation mix, which refers only to generation of electricity, [ 2 ] as ...

  6. World energy resources - Wikipedia

    en.wikipedia.org/wiki/World_energy_resources

    Renewable energy sources are even larger than the traditional fossil fuels and in theory can easily supply the world's energy needs. 89 PW [32] of solar power falls on the planet's surface. While it is not possible to capture all, or even most, of this energy, capturing less than 0.02% would be enough to meet the current energy needs.

  7. Energy in Afghanistan - Wikipedia

    en.wikipedia.org/wiki/Energy_in_Afghanistan

    [46] [47] These fields contain an estimated 1.9 billion barrels of crude oil and approximately 15 billion cubic feet of natural gas. [48] [49] Some of the oil and gas is used to produce electricity locally. [50] Bayat Power, established in 2016, has played a crucial role in enhancing Afghanistan's electricity production using domestic natural gas.

  8. Primary energy - Wikipedia

    en.wikipedia.org/wiki/Primary_energy

    Primary energy can be non-renewable or renewable. Total primary energy supply (TPES) is the sum of production and imports, plus or minus stock changes, minus exports and international bunker storage. [3] The International Recommendations for Energy Statistics (IRES) prefers total energy supply (TES) to refer to this indicator. [4]

  9. Lists of renewable energy topics - Wikipedia

    en.wikipedia.org/wiki/Lists_of_renewable_energy...

    Renewable energy replaces conventional fuels in four distinct areas: electricity generation, air and water heating/cooling, motor fuels, and rural (off-grid) energy services. [2] Based on REN21's 2014 report, renewables contributed 19 percent to our global energy consumption and 22 percent to our electricity generation in 2012 and 2013 ...