Copenhagen Air Compressed Energy Storage Project

What is compressed air energy storage (CAES)?

Among the different ES technologies, compressed air energy storage (CAES) can store tens to hundreds of MW of power capacity for long-term applications and utility-scale. The increasing need for large-scale ES has led to the rising interest and development of CAES projects.

Is compressed air energy storage a viable alternative?

Current long-term energy storage is mainly provided by Pumped-Storage Hydroelectricity (PSH). Compressed Air Energy Storage (CAES) has appeared for decades as a credible alternative but its poor energy efficiency, the need of fossil fuels and the use of existing underground cavities as storage reservoirs have limited its development.

What is green hydrogen hub Denmark?

This reflects long asset life (35 years plus), unlimited storage cycles, and significantly low capital costs. The Green Hydrogen Hub Denmark project, of which Corre Energy is the consortium lead, utilises green hydrogen and CAES to provide sustainable energy for a range of purposes.

How is high pressure CO2 stored?

High-pressure CO 2 is then cooled in the thermal storage unit approaching its liquefaction temperature, with heat generated during compression being stored for subsequent utilization. Final liquefaction is achieved through condenser cooling, and the resulting liquid CO 2 is stored in Tank 1.