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by raphaelj
1345 days ago
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250L x 7m is 17kN, or about 5W/h, or about 2 AA 2450mAh cells from IKEA. Pumped storage scales well though, as the stored volume scales squarely to the required container material (e.g. storing 25,000L will only take 10x the material while storing 100x the energy). |
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