The Haidach gas storage facility was planned and constructed by RAG under its concession.
Since then, RAG has been technical storage operator. the German SEFE (Securing Energy for Europe) now holds a share of around 56% of the Haidach storage facility. The first development phase was completed in 2007, and the second in 2011. The total storage capacity of 2.9 bn cu m of natural gas (33,5 TWh) is equivalent to a quarter of annual gas consumption in Austria. Haidach is the second-largest storage facility in Central Europe. It has an injection capacity of 1,050,000 cu m/hour (12.1 GW) and withdrawal capacity of 1,160,000 cu m/hour (13.4 GW). The capacities of the Haidach storage are operated by SEFE Storage and by RAG Energy Storage.
