New gas storage facility will increase energy security

Poland can look forward to greater energy security and less interruption to its gas supplies thanks to a project that aims to develop a huge underground storage facility at Kosakowo in Pomorskie. The scheme involves building four caverns which are capable of storing a total of 100 million m3 of gas.

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There is a growing demand for natural gas in Poland. This project therefore answers the need for more gas storage facilities and should guarantee uninterrupted supplies regardless of bad weather, technical problems or political issues.


Each cavern is situated between 1 025 m and 1 200 m below ground in the ‘Mechelinki’ salt deposit. Work will include:



  • drilling boreholes to build the caverns and service the underground section of the storage facility;

  • building a leaching system;

  • installing extraction equipment;

  • building a pipeline to discharge brine into the Puck Lagoon;

  • leaching the four caverns, and;

  • injecting gas into the caverns.


A number of ground-level facilities will be installed as part of the scheme, such as a system of gas filters, a gas metering station, a gas compression station, gas drying and separation stations and a methanol plant.


Major benefits


Organisations responsible for transmitting and distributing gas will benefit directly from the completed scheme, as will those bodies which use gas storage services on a Third Party Access (TPA) basis. (TPA permits competitors in the energy sector to use each other’s facilities under certain circumstances.)


Industrial and domestic consumers, as well as Poland’s power generators, will benefit from a project that will contribute to building a more efficient and secure gas supply network.


Total and EU funding

The project “Kosakowo Underground Cavern Gas Storage Facility” has a total eligible budget of EUR 152 456 737, with the EU’s European Regional Development Fund contributing EUR 36 530 867 for the 2007 to 2013 programming period.


Draft date

23/01/2013