Geothermal energy · Energy storage · District heating

Simulation platform and technical pre-assessment of energy systems.

SIM-GEO supports technical pre-assessments of geothermal systems, Aquifer Thermal Energy Storage, reservoir simulation, wellbore modelling, CO2 storage, hydrogen storage, gas storage and district heating networks.

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ATES system with reservoir, wellbore and heat pump

Thermal energy storageATES system

Aquifer Thermal Energy Storage with coupled reservoir, wellbore and heat-pump modelling.

Geothermal energyGeothermal doublet

Analysis of classical geothermal doublets without seasonal storage for temperature, power and operation.

InfrastructureDistrict heating networks

Thermal and hydraulic pre-assessment of district heating systems and coupled energy supply networks.

CCS / CCUSCO2 storage

Wellbore model for geological CO2 injection, storage and technical CCS/CCUS pre-assessment.

Underground storageNatural gas storage

Simulation of injection and production of methane or natural gas in wellbore systems.

H2 storageHydrogen storage

Model for injection and production of hydrogen in underground storage systems.

ProductionGas production

Production model for pressure and temperature profiles in gas production and withdrawal.

Doublet systemCO2 doublet

Coupled injection and production model for CO2 doublets and technical system pre-assessment.

Currently available simulation areas

The platform covers applications in geothermal energy, thermal energy storage, gas and hydrogen storage, CO2 storage and district heating networks.

Geothermal energy and ATES

Simulation of ATES systems, geothermal doublets, reservoir-wellbore coupling and heat-pump operation.

District heating networks

Technical assessment of thermal and hydraulic parameters for district heating and integrated energy systems.

Gas and CO2 systems

Wellbore models for CO2 storage, underground gas storage, hydrogen storage, gas production and CO2 doublets.

For technical orientation and scientific pre-assessment

The models support fast system analysis, preliminary engineering assessment and decision support. They do not replace project-specific engineering design, detailed planning or regulatory assessment.

Technical topics and search terms

SIM-GEO is designed for users searching for geothermal simulation, technical pre-assessment and physics-based modelling of subsurface and energy systems.

Geothermal and ATES

Geothermal simulation, ATES simulation, Aquifer Thermal Energy Storage, seasonal thermal storage, geothermal doublets and reservoir-wellbore coupling.

Reservoir and wellbore

Reservoir simulation, wellbore models, heat transfer, fluid flow, temperature profiles and pressure profiles.

Storage and networks

District heating simulation, CO2 storage, CCS/CCUS, hydrogen storage, underground gas storage, gas production and technical system analysis.

Scientific approach

The development is based on analytical, semi-analytical and numerical methods. The goal is a balanced combination of physical validity, interpretability and computational efficiency.

The models are continuously developed and compared with literature data, reference studies and analytical solutions for selected use cases.

Further models in development

Borehole heat exchangers, thermosyphon probes, solar energy, wind energy, hydropower, bioenergy, battery storage and pumped hydro storage are planned as future extensions.

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