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Storing wind-generated energy as gravitational potential energy?

D

David Williams

Jan 1, 1970
0
-> Not so great with wind-generated energy is the fact that you need a
-> battery bank, and batteries are expensive.

-> So why not store the energy as gravitational potential energy?

-> E.g. make the generated energy lift a large weight, controlled in such
-> a way that it falls when you need it to, yielding just the amount of
-> electrical power you need?

-> ??

-> Parts would need replacing far less often than batteries.

-> John

It's already done in many places, pumping water uphill when surplus
power is available, and letting it run down through turbines when extra
power is needed.

dow
 
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