Liquid Air

Highview Power’s Liquid Air Energy Storage Named Technology of the Year

Renewable Energy
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Highview Power’s Liquid Air Energy Storage has been Named Technology of the Year by BusinessGreen Magazine. 


Liquid Air Energy Storage – Using liquefied air to create a potent energy reserve.

Liquid Air Energy Storage (LAES) uses electricity to cool air until it liquefies, stores the liquid air in a tank, brings the liquid air back to a gaseous state (by exposure to ambient air or with waste heat from an industrial process) and uses that gas to turn a turbine and generate electricity. LAES systems use off the shelf components with long lifetimes (30 years +), resulting in low technology risk. Liquid Air Energy Storage (LAES) is sometimes referred to as Cryogenic Energy Storage (CES). The word “cryogenic” refers to the production of very low temperatures.

Executive Summary

Liquid Air Energy Storage (LAES), also referred to as Cryogenic Energy Storage (CES), is a long duration, large scale energy storage technology that can be located at the point of demand. The working fluid is liquefied air or liquid nitrogen (~78% of air). LAES systems share performance characteristics with pumped hydro and can harness industrial low-grade waste heat/waste cold from co-located processes. Size extends from around 5MW to 100s+MWs and, with capacity and energy being de-coupled, the systems are very well suited to long duration applications.

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