RAG Austria AG (RAG) is the largest gas storage operator and thus energy storage company in Austria. The company focuses its business activities on the storage of natural gas and other gaseous energy and the development of green-gas technologies (e.g. research projects such as Underground Sun Storage and Underground Sun Conversion). With a total storage capacity of more than six billion cubic meters of natural gas, RAG contributes to the security of supply of Austria and Central Europe. RAG operates the Haidach gas storage facility (Salzburg/Upper Austria) in joint ventures with Gazprom Export and Wingas as well as the 7Fields gas storage facility (Salzburg/Upper Austria) together with Uniper (former E.ON Gas Storage). In addition RAG operates its own storage facilities at Puchkirchen/Haag