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. The world’s two existing compressed air energy storage plants—one in Alabama, the other in Germany—use man-made salt caverns to store excess electricity.
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