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Thermal solar energy storage in Jurassic aquifers in Northeastern Germany: A simulation study

Urheber*innen

Kastner,  O.
External Organizations;

/persons/resource/norden

Norden,  Ben
6.2 Geothermal Energy Systems, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/klappi

Klapperer,  Stefan
6.2 Geothermal Energy Systems, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

Park,  S.
External Organizations;

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Urpi,  L.
6.2 Geothermal Energy Systems, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/cacace

Cacace,  Mauro
6.1 Basin Modelling, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

/persons/resource/bloech

Blöcher,  G.
6.2 Geothermal Energy Systems, 6.0 Geotechnologies, Departments, GFZ Publication Database, Deutsches GeoForschungsZentrum;

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Zitation

Kastner, O., Norden, B., Klapperer, S., Park, S., Urpi, L., Cacace, M., Blöcher, G. (2017): Thermal solar energy storage in Jurassic aquifers in Northeastern Germany: A simulation study. - Renewable Energy, 104, 290-306.
https://doi.org/10.1016/j.renene.2016.12.003


Zitierlink: https://gfzpublic.gfz-potsdam.de/pubman/item/item_1948902
Zusammenfassung
This contribution studies the usability of aquifer thermal energy storage (ATES) for seasonal solar heat storage by means of thermo-hydraulic modeling. The geological setting refers to the North East German Basin (NEGB), specifically a site approx. 50 km west of Berlin, Germany. The considered storage formation is located in Jurassic sandstones at about 270 m depth below surface, showing an in-situ (undisturbed) formation temperature of around 17 °C and appropriate hydraulic storage properties. The paper considers idealised doublet systems in faulted as well as unfaulted reservoir domains and studies the energy- and mass transport of simulated ATES systems. Five perennial loading/unloading series of solar thermal energy are investigated, assumed to be harvested by a hectare-sized flat plate collector field which is modeled employing climate data of the considered region. The simulation results exemplarily show how the storage system develops temperature-conserving recovery fractions of up to 80% heat recovery during the first years of operation.