That's two separate issues. In many existing hydro systems, the turbines are ope... | Hacker News

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Johnythree on Sept 9, 2020 | parent | context | favorite | on: Gravitricity – Fast, long-life energy storage

That's two separate issues. In many existing hydro systems, the turbines are operated in reverse in order to store power.

core-questions on Sept 9, 2020 [–]

Sure, if it's all in pipes and if it's pumping into a large volume rather than just river outflow. Sounds good.

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