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  2. 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 ]

  3. 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] Hydropower is a method of sustainable energy ...

  4. Hydroelectric power in the United States - Wikipedia

    en.wikipedia.org/wiki/Hydroelectric_power_in_the...

    In 2021, hydroelectric power produced 31.5% of the total renewable electricity, and 6.3% of the total U.S. electricity. [2] According to the International Hydropower Association, the United States is the 3rd largest producer of hydroelectric power in the world in 2021 after Brazil and China. [3] Total installed capacity for 2020 was 102.8 GW.

  5. Electricity generation - Wikipedia

    en.wikipedia.org/wiki/Electricity_generation

    Large dams, such as Hoover Dam in the United States, can provide large amounts of hydroelectric power. It has an installed capacity of 2.07 GW. Electrochemistry is the direct transformation of chemical energy into electricity, as in a battery. Electrochemical electricity generation is important in portable and mobile applications.

  6. 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 creates electricity.

  7. Rocky Mountain Hydroelectric Plant - Wikipedia

    en.wikipedia.org/wiki/Rocky_Mountain...

    As a pumped-storage power plant, it uses two reservoirs to produce electricity and store energy. The upper reservoir stores water (energy) for periods when electricity demand is high. During these periods, water from the upper reservoir is released down to the power plant to produce hydroelectricity.

  8. Power station - Wikipedia

    en.wikipedia.org/wiki/Power_station

    In 1878, a hydroelectric power station was designed and built by William, Lord Armstrong at Cragside, England. It used water from lakes on his estate to power Siemens dynamos. The electricity supplied power to lights, heating, produced hot water, ran an elevator as well as labor-saving devices and farm buildings. [2]

  9. List of hydroelectric power stations in the United States

    en.wikipedia.org/wiki/List_of_hydroelectric...

    The Hoover Dam in Arizona and Nevada was the first hydroelectric power station in the United States to have a capacity of at least 1,000 MW upon completion in 1936. Since then numerous other hydroelectric power stations have surpassed the 1,000 MW threshold, most often through the expansion of existing hydroelectric facilities.