09 Aug 2016 http://www.wiwo.de/technologie/green/tech/kraftwerk-unter-der-erde-schweizer-wollen-druckluftspeicher-rentabel-machen/13982886.html: Even when RWE (former Energy giant in Gemany) with project “Adele” and Alstom Power Switzerland failed, a new company from Switzerland Alacaes. This spin-off of Airlight Energy to use renewable energies in Biasca improved a compressed air storage system in a former tunnel.