The thermal energy storage potential of underground tunnels used

Underground Thermal Energy Storage - an overview

Underground Thermal Energy Storage - an overview

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

Ground-coupled heat exchanger - Wikipedia

Applied Sciences, Free Full-Text

Underground thermal energy storage, Climate Technology Centre & Network

PDF) Thermal energy storage with tunnels in different subsurface conditions

Options for underground energy storage

How does large-scale energy storage work?

Economical Energy and its VIPER energy storage tech win Studio X recognition - International Mining