Conceptual schematic diagram of the Advanced Geothermal Energy Storage system proposed by the UIUC study (source: University of Illinois)
A research team from the University of Illinois Urbana-Champaign has demonstrated efficient thermal energy storage using an artificial geothermal reservoir.
Researchers from the University of Illinois Urbana-Champaign have successfully demonstrated the use of an abandoned oil and gas well for efficient geothermal heat storage. The findings of this study have been published in the journal Renewable Energy (