Journal article

Underground thermal energy storage in mines: Field scale heating-cooling cycles and performance at the Reiche Zeche underground mine

Alireza Arab; Lukas Oppelt; Chaofan Chen; Rebekka Wiedener; Christoph Späker; Frank Schenker; Tobias Lotter; Thomas Schneider; Timm Wunderlich; Thomas Grab; Thomas Nagel; Traugott Scheytt

Year: 2026
Institution / publisher: Elsevier
Related EUL laboratory / facility: Reiche Zeche
Publication / source: Journal of Energy Storage, 163, 122087
DOI: 10.1016/j.est.2026.122087
Access: Open access
Keywords: Reiche Zeche, mine thermal energy storage, MTES, mine water, post-mining, thermal storage

Abstract / summary

Reports a field-scale mine thermal energy storage experiment at Reiche Zeche using repeated controlled heating and cooling cycles. The study evaluates thermal storage in the surrounding rock, hydraulic heat losses and heat-exchanger fouling under realistic mine conditions.

Suggested citation

Arab, A., Oppelt, L., Chen, C., Wiedener, R., Späker, C., Schenker, F., Lotter, T., Schneider, T., Wunderlich, T., Grab, T., Nagel, T., & Scheytt, T. (2026). Underground thermal energy storage in mines: Field scale heating-cooling cycles and performance at the Reiche Zeche underground mine. Journal of Energy Storage, 163, 122087. https://doi.org/10.1016/j.est.2026.122087

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