Aargau, Switzerland publishes online geothermal suitability map

Aargau, Switzerland Publishes Online Geothermal Suitability Map

The Canton of Aargau in Switzerland has released an online map detailing the suitability of various geothermal energy applications. This digital tool aims to support strategic investments and development projects, fostering the targeted use of geothermal energy within the region.

Geothermal energy, particularly shallow heat extraction via ground source heat pumps, significantly contributes to a sustainable and secure energy supply and helps advance decarbonization goals, with a target of achieving net-zero greenhouse gas emissions by 2050.

Recognizing the canton's favorable geothermal conditions, the Cantonal Government responded to a 2022 motion from the Grand Council requesting the creation of a geothermal register to map the potential across Aargau's municipalities. Following this, the Energy Division of the Department of Construction, Transport and Environment partnered with both internal and external experts to conduct an in-depth analysis of the region's geothermal capabilities.

“The map establishes a strategic foundation for investments and project developments, thereby promoting the targeted use of geothermal energy in the canton.”

Key Features of the Geothermal Suitability Map

Geothermal Energy's Role in Sustainability

Ground source heat pumps are already playing a major role in achieving a sustainable energy future by reducing reliance on fossil fuels and decreasing greenhouse gas emissions.

Government Actions and Collaboration

The canton's collaborative efforts involved expertise from various sectors to produce a comprehensive geothermal register and suitability map, helping guide future renewable energy projects.

Author's summary: Aargau's new online geothermal map serves as a vital tool to guide sustainable energy investments and supports the canton’s commitment to achieving net-zero emissions by 2050.

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ThinkGeoEnergy ThinkGeoEnergy — 2025-11-06