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Gravity-based storage


Technology Description

Gravity-based storage uses electricity to lift an object, such as water (see pumped hydro storage) or a block of concrete. Energy is stored in the object as gravitational potential energy. When electricity is needed, the object is lowered to convert the potential energy into electricity through a turbine.

Relevance for Net Zero

In contrast to PSH and CAES, it is not limited by topographic or geological conditions.

Key Countries

China, Switzerland, United Kingdom, United States

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