Study IDs two compressed air energy storage methods, sites for the Northwest
Green Car Congress
MAY 20, 2013
When power is abundant, it’s drawn from the electric grid and used to power a large air compressor, which pushes pressurized air into an underground geologic storage structure. Later, when power demand is high, the stored air is released back up to the surface, where it is heated and rushes through turbines to generate electricity.
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