DOE offers US$1.76 billion to Hydrostor for A-CAES project
Compressed air energy storage charges by pressurising air and funnelling it into a storage medium, often a salt cavern, and discharges it by releasing the compressed air through a heating system, which expands air before it is sent through a turbine generator.A-CAES (Premium access article) works in much the same way, but it takes the heat from the