Bliek's "ocean battery" relies on massive flexible bladders on the seabed, which are filled up with seawater by the wind farm.
A model of the Ocean Grazer ocean battery, an underwater renewable energy storage system, is displayed during the Consumer Electronics Show on January 6, 2022 in Las Vegas, Nevada. (AFP)
A wind turbine sitting idle on a calm day or spinning swiftly when power demand is already met poses a problem for renewables, and is one researchers think can be
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