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

O. Kastner, B. Norden, S. Klapperer, S. Park, L. Urpi, M. Cacace and G. Blöcher

Renewable Energy, 2017, vol. 104, issue C, 290-306

Abstract: 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.

Keywords: District heating; Renewable energy; Thermal solar systems; Aquifer Thermal Energy Storage (ATES); Thermo-hydraulic simulation (search for similar items in EconPapers)
Date: 2017
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Citations: View citations in EconPapers (6)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:renene:v:104:y:2017:i:c:p:290-306

DOI: 10.1016/j.renene.2016.12.003

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