Research&Development Center T2 of the Fronius GmbH, Thalheim (Upper Austria)

Field of borehole heat exchangers for seasonal thermal energy storage

 

Client:

Arup GmbH Berlin

Uhlandstrasse 20 - 25

D-10623 Berlin

 

Land/Region: Austria

 

Zeitraum:

2007 - 2008

(construction: 2010 - 2011)

Project Description:

Fronius GmbH built one of the biggest Austrian R&D centers at Thalheim near Wels (Upper Austria). Photovoltaic electricity generation, borehole heat exchangers (BHE) as energy stores and the exploitation of waste heat arising from the test laboratories belong to the outstanding features. The (CO2) emission-free facilities were planned by the Frankfurt am Main-based architects schneider+schumacher. The BHE field was completed in 2011 and serves for the seasonal storage of process waste heat arising from the operation of the R&D center. At the time of its completion it is the biggest field of its kind in Central Europe.

 

GTN Services:

  • Conceptual collaboration in the optimal integration of heat storage in the overall energy design
  • Numerical simulation of the thermal  impact of the operation of the store on the groundwater

Facts and Figures:

  • Field size:                           204 BHEs (double-U pipes)
  • BHE depth:                                                       200 m
  • Gross floor area:                                           22,500 m²
  • Underground temperature level:                   3 °C - 30 °C
  • Thermal outputs:
    • Heating                                                     1.3 MW
    • Cooling                                                     1.5 MW
  • Heat quantities:
    • Heating                                               800 MWh/a
    • Cooling                                               880 MWh/a

 

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