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  Storage of highly compressed gases in underground Lined Rock Caverns – More than 10 years of experience

  The world’s first LRC (Lined Rock Cavern) storage facility is since 10 years in commercial operation as a part of the Swedish natural gas grid. This paper describes the 40 000 m size storage and the process from design, construction, tests and operation. The unique cavern wall structure can, in interaction with the surrounding rock mass, resist pressures of more than 20 MPa and high-frequency cyclic operation. The LRC concept may thus be utilized as a highly efficient storage for natural gas as well as for all other gases that can be effectively stored pressurized, e.g. hydrogen and air (Compressed Air Energy Storage, CAES).

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