1. Huge Underground Salt Caverns Could Store Wind-Generated Energy

    Huge Underground Salt Caverns Could Store Wind-Generated Energy

    A proposal to export twice as much Wyoming wind power to Los Angeles as the amount of electricity generated by the Hoover Dam includes an engineering feat even more massive than that famous structure: Four chambers, each approaching the size of the Empire State Building, would be carved from an underground salt deposit to hold huge volumes of compressed air. The caverns in central Utah would serve as a kind of massive battery on a scale never before seen, helping to overcome the fact that — even in Wyoming — wind doesn't blow all the time.

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    3. Storage Technology:

      Compressed Air/Gas, Flow Battery, Flywheel, Hydrogen, Lead, Liquid Metal, Lithium, Magnesium, Mechanical Storage, Nickel, Pumped Hydro, Sodium, Supercapacitors, Thermal, Vanadium, Zinc
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