@zipperlip; big batteries don't need to be Snowy 2.0 or lots of...

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    @zipperlip; big batteries don't need to be Snowy 2.0 or lots of lithium.

    All that's needed is a mechanism to lift a lot of weight which can then generate power on its way back down ... similar principle to counterweights / lifts etc which have been used for thousands of years.
 
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