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The idea is replacement of dams. He would like to replace them with electric trucks. Basically, it would be that the electric tank would go up, there would be pumped water, the car would go down and recuperate to produce electricity. At the bottom, it would drain the water, hand over the charged battery and get partially discharged, which should be enough to go up the hill. The main question is why drive water down the hill when it flows there by itself.
And here we come to what you really think about the whole thing, because the idea also has some good insights. The argument for trucks is that the construction of the dam and the flooding of the landscape have a negative effect on nature. There is no need for large structures, tunnels and the system does not disturb the natural flow of water, including fish paths. Another advantage is the lower price of about 30-100 USD per MWH compared to 50-200 USD per MWh for conventional dams. In any case, it can be assumed that only a small fraction of electricity could be produced in this way, which could be produced in the same place by a conventional hydropower plant (on the other hand, the system could be used where the hydropower plant could not stand). Still, Hunt says he would project Electric Truck Hydropower could generate 1.2 PWh per year (4% of global electricity production).
On the other hand, stations must be built where water is pumped and drained, including the replacement of batteries and their connection to the mains. Last but not least, the trucks and the batteries themselves must not be forgotten, which is a problem, as is the increased wear and tear on roads in mountainous terrain. What do you think about this idea?
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