How Highview Power’s liquid air energy storage system works

Charging station

Uses off-peak or excess electricity to clean, dry and refrigerate air until it liquefies

Air is ...

used to power

a turbine

cleaned

compressed

cooled

heated and

expanded

stored as a liquid

To recover power

Liquid air is reheated and expanded. The expanding air drives turbines and exhausts clean air

Air is ...

Charging station

Uses off-peak or excess electricity to clean, dry and refrigerate air until it liquefies

used to power

a turbine

cleaned

expanded

compressed

cooled

heated

To recover power

Liquid air drawn from the tanks is reheated and expanded. The expanding air drives turbines and exhausts clean air

stored as a liquid in insulated tanks