Energy piles are foreseen as an alternative to reduce the environmental impact of the growing energy demand for space conditioning. An environmentally friendly technology is a type of closed-loop Ground Source Heat Pump (GSHP) in which foundation elements are used to extract or inject thermal energy from or into the soil. At present, most researchers are discussing geothermal pile collection for heating or cooling buildings, and numerous and significant research achievements have been obtained. Energy piles are dual purpose foundation elements used for transferring loads from structures to the soil and meeting temperature regulations in buildings. The use of energy pile foundations for heat exchange with the ground has caught significant attention in recent years. The response of the pile-soil interface is influenced by daily and seasonal temperature variations. The energy load used represents four months of cooling and three months of heating annually, a simplification based on local conditions. This paper explains the nature of each of the previous challenges in energy piles, thermal improvement of soft clay, electric power industries, and ground source heat pumps (GSHP) and describes the application of energy piles in geotechnical engineering, which will provide solutions to geotechnical problems, and have a brilliant future.