A large number of abandoned mines with sizeable underground space resources were
formed in China. Meanwhile, for an operational mine, the protection and utilization of mine …

Executive summary Coal has historically been one of the European economy's main fuels.
Today, it accounts for 16% of gross inland energy consumption in the EU, and 24% of the …

In the current energy transition, there is a growing global market for innovative ways to
generate clean energy. Storage technologies are potential and flexible solutions to deal with …

Greenhouse gas (GHG) emissions related to human activities have significantly caused
climate change since the Industrial Revolution. China aims to achieve its carbon emission …

The residential sector is responsible for 20% of the total energy consumption worldwide,
with fossil fuels being its main energy source. Ground Source Heat Pump (GSHP) systems …

Geothermal energy extraction through deep mine systems offers the potential to reduce the
cost of geothermal systems while meeting the cooling needs of deep mines. However, the …

Pilot heat pump systems have been installed at two former collieries in
Yorkshire/Derbyshire, England, to extract heat from mine water. The installations represent …

As the decarbonisation of heating and cooling becomes a matter of critical importance, it has
been shown that flooded mines can provide a reliable source of low-carbon thermal energy …

Based on 44 documented demonstration projects worldwide, a novel conceptual aspect of
mine-oriented low-enthalpy geothermal exploitation classification was initially proposed. For …

Deep underground mines offer a great potential as low-enthalpy geothermal resource to be
adopted in direct regional heating. In this paper, a parallel horizontal ground heat …