Storag Etzel GmbH is a German infrastructure company that develops and operates the Etzel salt-cavern storage site in Lower Saxony. The company provides underground storage capacity for crude oil, petroleum products, and natural gas. Its services span cavern planning, leaching and construction, operations, and the long-term leasing of storage space to energy companies, traders, and system operators, along with associated site and pipeline services.
The Etzel site is connected to the Wilhelmshaven oil port and to regional and cross-border pipeline networks, enabling import, transit, and buffer storage for the German and European energy markets. The facility supports both commercial inventories and security-of-supply needs. Storag Etzel’s activities include integrity management, monitoring, and regulatory compliance to ensure safe, high-availability subsurface storage. The company is also engaged in projects assessing the use of salt caverns for emerging energy carriers such as hydrogen.
