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On 12/7/24 9:29 AM, The Natural Philosopher wrote:That is essentially the physics behind pumped (hydroelectric) storage, which achieves about 75% turn round efficiency. If you consider the size of the the lakes involved and the amount of energy that may be stored...you sigh and realise its better to build a nuclear power station that doesn't need the storage in the first place.<snip/>I've heard rumors of alternative technologies for energy storage being explored besides storage of electrical energy. One example would be a device that stores energy not as electrical energy, but instead as potential kinetic energy, storing the energy by lifting a large mass and releasing it by dropping the large mass. That particular one is one that i doubt will ever get off the ground, but the same basic principle of converting electrical energy to some other, more convenient-to-store form of energy is behind the ideas i've seen floated around.
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Windmills and solar panels are useless for the same reason. - there is no storage able to meet the intermittency problem.
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