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Fraunhofer IEG

Fraunhofer IEG operates a research and testing facility for high-temperature heat pumps in Cottbus, which can be used to test units for district heating and steam generation
GEOTHERMAL

Fraunhofer IEG compiles market overview of large heat pumps

Fraunhofer IEG has developed a new ‘Large Heat Pump Information Portal’

15 July 2025

Exploratory drilling provides researchers at Fraunhofer IEG with data on rock properties at depth
GEOTHERMAL

Fraunhofer to build €52M geothermal laboratory

Fraunhofer IEG is investing €52 million to build a real-world laboratory for geothermal energy

13 May 2025

Schematic representation of the interconnection principle of the MissEllyDEMO cold storage tank in various configurations
GEOTHERMAL

Fraunhofer IEG developing an underground cold storage system

Geothermal cooling project MissEllyDEMO in development by Fraunhofer with partner Voltavision

12 December 2024

Equipping old natural gas wells with geothermal probes and converting them into geothermal energy can provide inexpensive green energy
GEOTHERMAL

Sustainable reuse of natural gas sources

Fraunhofer IEG's study into repurposing fossil infrastructure into green energy sources

24 October 2024

Using oblique drilling technology, the geothermal probes reach heat reservoirs below existing buildings, here using the Fraunhofer IEG institute building as an example. Credit: Fraunhofer IEG
GEOTHERMAL

Oblique drilling technology brings geothermal energy to existing buildings

GeoStar 2.0 geothermal heating and cooling system has now been officially inaugurated in Germany

25 July 2024

From the vertical main wells, MTD drills horizontal tributaries, making it easier for water to flow between wells. (schematic representation, not to scale) Credit: N. Geissler/Fraunhofer IEG
GEOTHERMAL

Drilling turbine opens the way to municipal heat storage in Germany

Fraunhofer's innovative "Micro Turbine Drilling" technique offers solution to heat storage problems

28 May 2024

Sports department head Dietmar Dieckmann, Elke Temme, managing director of Stadtwerke Bochum and Leonhard Thien, Fraunhofer IEG (from left to right)
GEOTHERMAL

Geothermal drilling begins at the Lohrheide Stadium

A German sports stadium redevelopment project includes drilling for geothermal heating and cooling

19 February 2024

An exploratory well of around 500m being drilled in Weisweiler. The data from this project the next exploration steps
GEOTHERMAL

Geothermal exploration in the Rhineland

Geothermal exploration is underway in Weisweiler, which is a part of the Rhineland area in Germany

05 February 2024

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