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RSS FeedsStacking concrete blocks is a surprisingly efficient way to store energy
(WorldNews Environment)


18 august 2018 12:56:50

Stacking concrete blocks is a surprisingly efficient way to store energy
(WorldNews Environment)

Thanks to the modern electric grid, you have access to electricity whenever you want. But the grid only works when electricity is generated in the same amounts as it is consumed. That said, itīs impossible to get the balance right all the time. So operators make grids more flexible by adding ways to store excess electricity for when production drops or consumption rises. About 96% of the worldīs energy-storage capacity comes in the form of one technology: pumped hydro. Whenever generation exceeds demand, the excess electricity is used to pump water up a dam. When demand exceeds generation, that water is allowed to fall-thanks to gravity-and the potential energy turns turbines to produce...
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