Gas Storage Denmark A/S (GSD) owns and operates Denmark's two underground gas storage facilities — the aquifer pore storage facility at Stenlille in the central part of Zealand and the salt cavern facility at Lille Torup in northern Jutland. The total working gas volume of the two storage sites is about 12 TWh. We operate andmaintain our technical plants acc. to the most recently updated ISO-55001 asset management standards, which enables us to offer our customers an exceptionally high commercial uptime. We market our capacities on fully commercial terms as an independent operator in the north-western European market. Our business is based on customer needs, market value and commercial innovation. GSD is a fully-owned subsidiary of Energinet.dk.Energinet.dk's owner is the Danish state and its business purpose is to own and operate the vital gas and power infrastructure in Denmark. Our main task is to sell and operate the Danish gas storage capacity on a fully liberated market fashion.