Evaluation of the shallow geothermal potential for heating and cooling and its integration in the socioeconomic environment: A case study in the Region of Murcia, Spain
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Proyectos de IngenieríaPublication date
2021Publisher
MDPIBibliographic Citation
Ramos-Escudero, A.; García-Cascales, S.M.; Urchueguía, J.F. Evaluation of the Shallow Geothermal Potential for Heating and Cooling and Its Integration in the Socioeconomic Environment: A Case Study in the Region of Murcia, Spain. Energies 2021, 14, 5740. https://doi.org/10.3390/en14185740Keywords
Geographical information system (GIS)Ground source heat pump (GSHP)
Shallow geothermal energy
Borehole heat exchanger (BHE)
Localization
Abstract
In order to boost the use of shallow geothermal energy, reliable and sound information concerning its potential must be provided to the public and energy decision-makers, among others. To this end, we developed a GIS-based methodology that allowed us to estimate the resource, energy, economic and environmental potential of shallow geothermal energy at a regional scale. Our method focuses on closed-loop borehole heat exchanger systems, which are by far the systems that are most utilized for heating and cooling purposes, and whose energy demands are similar throughout the year in the study area applied. The resource was assessed based on the thermal properties from the surface to a depth of 100 m, considering the water saturation grade of the materials. Additionally, climate and building characteristics data were also used as the main input. The G.POT method was used for assessing the annual shallow geothermal resource and for the specific heat extraction (sHe) rate estimation for both ...
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