1887

Abstract

Summary

In this extended abstract the mechanical energy storage concepts that are mainly based on underground facilities are described in detailed. Beside the proven technology of compressed air energy storage (CAES) with underground compressed air caverns the theoretical concept of underground and other new pumped hydro energy storage (PHES) is elucidated. Both CAES and PHES possess a wide range of theoretical variation, such as adiabatic CAES or underground PHES in different mining locations. It is shown that some of these variations are far from realization at the moment or the near future. Furthermore it is demonstrated that when comparing both concepts a new definition of storage efficiency should be applied.

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/content/papers/10.3997/2214-4609.201414258
2015-10-13
2024-04-16
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References

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