The thermal energy storage potential of underground tunnels used

Energies, Free Full-Text

A tunnel coaxial 3D hyperspectral scanning system for underground mine investigation

The thermal energy storage potential of underground tunnels used as heat exchangers - ScienceDirect

Borehole Thermal Energy Storage System - an overview

Underground Thermal Energy Storage

PDF) Underground Thermal Energy Storage: Environmental Risks and Policy Developments in the Netherlands and European Union

Pumped-storage hydroelectricity - Wikipedia

Compressed Air Energy Storage

Underground thermal energy storage, Climate Technology Centre & Network

Electricity can be stored in mountain tunnels – using a compressed air battery