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Gravitricity: Storing energy using gravitational potential (gravitricity.com)

submitted 6 months ago by antrosapien@lemmy.ml to c/solarpunk

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I have been following them for a few years and they are making some slow and steady progress

From their page: As the world generates more electricity from intermittent renewable energy sources, there is a growing need for technologies which can capture and store energy during periods of low demand and release it rapidly when required.

At Gravitricity we are developing innovative, long-life, underground technologies which store energy safely and deliver it on demand at a lower lifetime cost than current alternatives.

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[–] schmorpel 13 points 6 months ago (7 children)

No. This problem has been solved long ago, with water. Water is already providing gravitational energy storage all over the world. I don't think using different types of weight adds value to the process.

[–] antrosapien@lemmy.ml 2 points 6 months ago

Currently, they are specifically advertising that they can provide really large amount of power for very short time. I don't know where I read this but CERN is storing discharging some big capacitors to jump start LHC, and gravitricity can provide same power by parallely lowering heavier weights. source required

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