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Re:Europe's deepest mine to become giant gravity battery by danbruc on Thursday February 08, 2024 @04:19AM (#39299954)
Which again is nonsense as stated. The average world energy consumption is about 3 TW and gravity storages produce exactly zero and can meet no demand at all. 70 TWh would be enough to store about one day of global electricity consumption, for example to smooth out solar and wind.
Re:Europe's deepest mine to become giant gravity battery by TheOtherHobbes on Thursday February 08, 2024 @05:25AM (#39300345)
That's why these projects are called batteries, not generators.

The nuke and fossil lobbies make a big deal out of how renewables are intermittent, and this is one of many practical ways to fix that.

Re:Europe's deepest mine to become giant gravity battery by danbruc on Thursday February 08, 2024 @09:11AM (#39302099)
I understand that but the statement 70 TWh is enough storage capacity to satisfy the world electricity demand makes no sense. Electricity demand is a power not an energy.