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  2. Hydropower - Wikipedia

    en.wikipedia.org/wiki/Hydropower

    Hydropower (from Ancient Greek ὑδρο-, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines. This is achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [ 1 ]

  3. Water power engine - Wikipedia

    en.wikipedia.org/wiki/Water_power_engine

    As long as there is flow, it is possible to produce electricity. The advantage of electricity generated in this way is that it is a renewable resource. [3] A small-scale Micro Hydro Power can be a reliable and long lasting piece of technology. The disadvantage of the system is that technology has yet to be developed more than what it is today.

  4. Environmental impact of electricity generation - Wikipedia

    en.wikipedia.org/wiki/Environmental_impact_of...

    However some countries, such as South Korea and Japan, use land for agriculture under PV, [108] [109] or floating solar, [110] together with other low-carbon power sources. [111] [112] Worldwide land use has minimal ecological impact. [113] Land use can be reduced to the level of gas power by installing on buildings and other built up areas. [104]

  5. Hydroelectricity - Wikipedia

    en.wikipedia.org/wiki/Hydroelectricity

    Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity , almost 4,210 TWh in 2023, [ 1 ] which is more than all other renewable sources combined and also more than nuclear power . [ 2 ]

  6. Electrical energy efficiency on United States farms - Wikipedia

    en.wikipedia.org/wiki/Electrical_energy...

    In 2006 there were about 65,000 dairy farms in the United States, although most had fewer than 200 cows. [3] One "resource auditor" believes it is possible for dairy farms to reach an energy usage of as low as 200 kWhr per cow per year [4] although an analysis of California dairy farms found that 300 kWhr/year was the lowest actually attained.

  7. Run-of-the-river hydroelectricity - Wikipedia

    en.wikipedia.org/wiki/Run-of-the-river...

    There are also small and somewhat-mobile forms of a run-of-the-river power plants. One example is the so-called electricity buoy, a small floating hydroelectric power plant. Like most buoys, it is anchored to the ground, in this case in a river. The energy within the moving water propels a power generator and thereby

  8. Energy efficiency in agriculture - Wikipedia

    en.wikipedia.org/wiki/Energy_Efficiency_in...

    The general term "energy efficiency in agriculture" reflects changes in technology, government policies, weather patterns, and farming management practices. There is not a single measure to describe, ensure, and improve energy efficiency in agriculture.

  9. Small hydro - Wikipedia

    en.wikipedia.org/wiki/Small_hydro

    Small hydro is the development of hydroelectric power on a scale suitable for local community and industry, or to contribute to distributed generation in a regional electricity grid. [1] Exact definitions vary, but a "small hydro" project is less than 50 megawatts (MW), and can be further subdivide by scale into "mini" (<1MW), " micro " (<100 ...