There are a few experimental installations of these around. I don't believe they... | Hacker News

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nl on July 8, 2017 | parent | context | favorite | on: Tesla’s big battery in South Australia may prove t...

There are a few experimental installations of these around. I don't believe they are viable for larger scale storage, but fit smaller scale they seem competitive.

Frogolocalypse on July 8, 2017 [–]

I think it's the other way around. Fly wheels can be extremely dangerous. It is really only large scale that they could be competitively safe.

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