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Eric_the_Barbarian t1_ixqfag4 wrote

Isn't there already at least one of these is Switzerland? I remember seeing an article about how it actually generates a net positive of electricity because it goes up empty and uses regenerative braking to control speed coming back down loaded.

Found it

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Tall_Category_304 t1_ixtg16n wrote

But what if it has to go down empty and come back up full? 🤔

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Eric_the_Barbarian t1_ixti4ff wrote

That would be putting rock back into the quarry. But hypothetically, that scenario would require the input of energy.

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