Evaluation of the Geothermal Energy Potential of Switzerland - a Techno-economic Approach

Abstract

This research evaluates the geothermal energy potential in Switzerland focusing on different geothermal systems (hydrothermal, EGS, AGS) and purposes (heat or electricity). The evaluation utilises subsurface properties, expected costs for the infrastructure and drilling, and demand for the generated heat or power. A techno-economic model is developed to assess the feasibility of utilising geothermal resources for energy generation, with a specific focus on economic viability as the most critical factor. The results are presented through potential maps, highlighting favourable locations for a geothermal system. The maps aim to simplify the site search process, reducing costs associated with preliminary work for geothermal projects. The research considers three different temperature scenarios for heat (60 °C and 100 °C) and electricity purposes (150 °C). The results show that the Molasse Basin is a favourable region for hydrothermal systems, while the Jura region presents a potential for EGS projects.