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Eneco Gasspeicher is an underground gas storage facility in salt caverns. Eneco Gasspeicher’s gas storage installation is built approximately three kilometres from the German-Dutch border in the German municipality of Epe. Eneco has leased two caverns here from SGW (Salzgewinnungsgesellschaft Westfalen).

EnergyStock B.V., a fully-owned Gasunie subsidiary, owns and manages a natural gas storage facility in the underground salt layers near Zuidwending in the province of Groningen in the Netherlands. EnergyStock uses five caverns; these salt caverns contain a flexible gas supply deep below ground. This is geared in particular to switching quickly between feeding gas in and transmitting it and vice versa, thus providing a facilitating service to energy companies and traders.

TAQA Energy exploiteert en produceert gas in Nederland en werkt samen met haar partners aan ondergrondse opslag van gas in Bergermeer. De Gasopslag Bergermeer bestaat uit een puttenlocatie waar het gas in het Bergermeerveld wordt gepompt en eruit wordt gehaald en een installatie in Alkmaar waar het gas wordt gereinigd en in het leidingennet wordt gepompt.

Etzel-Kavernenbetriebsgesellschaft (EKB) is established with the aim of creating and exploiting an underground gas storage facility. The gas storage facility is located in Etzel in the German federal state of Lower Saxony. The EKB gas storage facility consists of six salt caverns and is connected to both German and Dutch gas networks.

RWE Gas Storage West is based in Essen and has bundled the storage activities of the RWE Group in Germany and the Netherlands. RWE Gas Storage West operates and markets five gas storages in total of which three gas storage facilities are located in Gronau-Epe, one of the biggest cavern fields in the world at the Dutch/German border. One facility, storage EPE NL, is connected to the Dutch transmission grid of GTS and storing Groningen Gas (G-Gas).

The Gas Storage OMV Etzel ESE is situated in North-West Germany and is connected to the Dutch gas network (GTS – Gasunie Transport Services) as well as to the German market areas NCG and Gaspool via the NETRA Pipeline. The working gas volume offered by OMV Gas Storage Germany GmbH amounts to 5.3 million MWh.