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Strategic Technologies for Europe Platform

ScaleUp – Underground thermal energy storage

Storing summer heat for use in the winter - ScaleUp will demonstrate Europe’s first large-scale underground thermal energy storage system in Vienna, enabling renewable heat supply during the coldest season of the year.

Other STEP stories

Greensand Future is a medium-scale carbon capture and storage (CCS) project aiming to store 300,000 tonnes of CO₂ per year in a former oilfield to support the EU’s net-zero goals.

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ScaleUp will demonstrate Europe’s first large-scale underground thermal energy storage system in Vienna, enabling renewable heat supply during the coldest season of the year.