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TU Clausthal
18.12.2023 | DGMK-News, Research

Project start: Closed medium-depth geothermal systems for decentralized heat supply

There are a variety of options for extracting heat from the subsurface. Medium-depth borehole heat exchangers are part of the future "geothermal mix". To date, however, the actual heat output of most medium-depth borehole heat exchangers has been below the design data. There are many reasons for this, but to date there has been no systematic survey in this regard, although there is considerable potential for optimization. Another challenge that slows down geothermal projects is the lack of efficient connection of these systems to local heating networks, especially in smaller municipalities. The future development and expansion of heating networks must take the use of geothermal energy into account as part of sector coupling. The multidisciplinary research project will comprehensively address these reasons.

The project is being funded as part of the "Leading technologies for SMEs" program.

The overall project is divided into three sub-projects:

01 - Geosonde400+construction (Optimized creation of medium-depth geothermal probes)
Research center: Clausthal University of Technology, Institute of Subsurface Energy Systems

02 - Geosonde400+Perform (Optimized operation of medium-depth geothermal probes)
Research center: Causthal University of Technology, Institute of Engineering Mechanics

03 - Geosonde400+Heat network (Integration of medium-depth geothermal probes into the municipal heat supply)
Research institute: Ostfalia University of Applied Sciences - Braunschweig / Wolfenbüttel University of Applied Sciences Institute for Energy-Optimized Systems (EOS)

Funding from the BMWK as part of the IGF project:

69LN, 70LN, 71LN

DECHEMA is a cooperation partner.