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Site Visits at EGC25

Visit Riehen’s hydrothermal district heating system

Riehen’s geothermal plant is the biggest and oldest in Switzerland. For more than 30 years, it has been providing Riehen’s households with constant geothermal heat. The current project “Geo2Riehen” will extend the existing network, making it a trans-border network (CH-DE). 

Find out more here. 

Practical Details

Travel time from ZH by bus: 1.5 hours 

Duration of visit: from 8:00 am to 3:30 pm (max. 60 participants) 

Tour programme: 

8:00 am: Departure Congress Centre ZH 

9:30 am: Welcome at Riehen 

9:45 am to 10:30 am: Presentation Geothermal Energy Riehen 

  • Visit with Matthias Meier, director Erdwärme Riehen and Karl-Heinz Schädle, Schädle GmbH and Member of the Board of Geothermie-Suisse 

10:30 am to 12:30 am: Guided tours of the Riehen geothermal plant (in 2 or 3 groups) 

12:30 am to 01:30 pm: Stand-up lunch 

01:30 pm: Departure from Riehen 

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Visit Haute-Sorne EGS project

This project aims at producing electricity and heat in a geothermal plant supplied by two boreholes approximately 5 kilometers deep. It is a pilot project in hot dry rock, designed as a technological demonstrator to pave the way for future projects. It is based on the multi-stage stimulation technology developed by Geo-Energie Suisse. The first well was drilled to 4,000 meters in 2024. 

Find out more here. 

Practical Details

Travel time from ZH by bus: 1 hour 50 minutes 

Duration of visit: From 08:00 am to 16:30 pm (max. 60 participants) 

Tour programme: 

08:00 am: Departure from Zurich Kongresshaus 

10:00 am: Arrival at Glovelier drilling site 

  • Visit and presentations of drilling, multi-stage stimulation technologies, results from 4’000 m deep well GVL-1 and test stimulation, geophysical prospection, seismic monitoring 
  • Visit with Peter Meier, CEO Geo Energie Suisse and Olivier Zingg, CEO Geo Energie Jura and Member of the Board of Geothermie-Suisse 

12:30 pm: Lunch in Glovelier 

01:30 pm: Presentation of the EGS success story in the US 

02:30 pm: Back to Zurich 

04:30 pm: Arrival in Zurich 

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Visit Baden "Where resource meets surface"

The most mineral-rich thermal water in Switzerland and a long tradition of wellness treatments: Baden honours its name, which means “bath” in German. Discover the story of this iconic thermal town. 

Find out more here. 

Practical Details

Travel time from ZH by bus: 45 minutes 

Duration of visit: from 8:15 am to 1:30 pm (max. 50 participants) 

Tour programme: 

8:15 am: Departure from Zurich 

09:00 am -10:00 am: Welcome and presentation of the Geothermal Hotspot Baden and History of City of Baden, “city of thermal bath” 

  • Visit with Benjamin Ruf, Canton of Aargau and tbd, City of Baden 

10:00 am -12:00 am: Guided tour with the option to have a bath in a public pool 

12:00 am – 01:00 pm: Stand-up Lunch 

01:00 pm – 01:30: Back to Zurich 

Visit Grob Gemüse: a hydrothermal system for growing vegetables

The Grob family has been committed to sustainable vegetable production for years. The vision of a “natural power vegetable growing company” in Basadingen-Schlattingen is to ensure fossil-free and climate-neutral food production using local energy sources such as geothermal energy, photovoltaics, process waste heat and biomass. 

Find out more here. 

Practical Details

Travel time from ZH by bus: 1 hour 

Duration of visit: from 8:30 am to 2:00 pm (max. 40 participants) 

Tour programme: 

08: 30 am: Departure Congress Centre ZH 

09: 30 am: Welcome in Grob Gemuse 

9:45 am to 10:45 am: Presentations 

  • History of the Project and Energy production for green houses: Stefan Grob 
  • Geology and drilling: Bernd Frieg, Geothermie Thurgau 

10:45 am to 12:00 pm: Visit of the installation 

12:00 pm to 1:00 pm: Stand-up Lunch 

1:00 pm to 2:00 pm: Back to Zurich by Bus 

2:00 pm: Arrival Congress Center ZH 

Sponsored by

Visit SWATCH/OMEGA Headquarters and its innovative ATES technology

The concept of using groundwater, which provides heating and cooling for the headquarters of Omega, Swatch, and the Cité du Temps, is unique in Switzerland. It is based on a sophisticated exchange and storage system that optimally utilizes local geothermal conditions while taking the infrastructure into account. In total, nine wells are distributed across the site. 

Practical Details

Travel time from ZH by bus: 2 hours 

Duration of visit: from 8:30 am to 3:30 pm (max. 40 participants) 

Tour programme: 

08:30 am: Departure Congress Centre ZH 

10:30 am to 12:30 pm: Presentation/Tour (split into two groups) 

  • Presentations and tour of the technical installation 
  • Tour of the museum (free admission) with audio guides 
  • Visit to the shops 

Visit with Julien Perret, Swatch/Omega, Emanuel Huber, GEOTEST and Vincent Badoux, B-Geo and Member of the Board of Geothermie-Suisse 

12:30 pm to 01:30 pm: Lunch 

01:30 pm to 03:30 pm: Back to Zurich by Bus 

Visit the Bedretto Underground Laboratory for Geosciences and Geoenergies (ETHZ)

The BedrettoLab is a unique research facility managed by ETH Zurich that allows close observation of the Earth’s interior. It is located in the Swiss Alps at a depth of 1.5 kilometers, in the middle of a 5.2-kilometer tunnel connecting Ticino to the Furka railway tunnel. Equipped with the latest technologies, it offers ideal conditions for conducting experimental research focused on the behavior of the deep underground when accessed and stimulated. The access and research site are of great importance for gaining new insights in various fields such as geothermal energy and earthquake physics. In addition, the laboratory plays a key role in the development of new technologies and sensors.

Find out more here

WARNING: Participants need to be in good physical condition (5 km walk carrying 4 kg) 

Practical Details

Travel time from ZH by bus: 2.5 hours 

Duration of visit: from 8:30 am to 6:00 pm (max. 40 participants) 

Tour programme: 

08:00 am: Departure from Zurich 

10:30 am: Arrival at Bedretto Lab 

10:30 am -1:00 pm: Presentations and Tour 

  • Visit with Mathilde Wimez and Stefanie Zeller 

1:30 pm -3:00 pm: Lunch 

3:00 pm – 6:00 pm Back to Zurich 

Sponsored by

Visit GEG’s Laboratory: Geothermal R&D activities

The GEG group conducts research on the dynamics of geophysical subsurface fluids, including multiphase, multicomponent, and reactive fluids (groundwater, hydrocarbons, CO₂, magma), as well as energy transfer (heat, pressure) across multiple scales. Their work involves computer simulations, laboratory experiments, and field analyses. 

Find out more about GEG. 

Practical Details

Travel time from ZH: 0 hours 

Duration of visit: from 9:00 am to 12:00 pm (max. 20 participants) 

Tour programme: 

9:00 am: Welcome at ETHZ (Institute of Geophysics) 

9:00 am -11:00 am: Presentation of activities of Geothermal Energy and Geofluids Groups 

  • Visit with Prof. Martin Saar, Member of the Board of Geothermie-Suisse and Maren Brehme, Senior Research Assistant 

11:00 am -12:00 am: Networking Aperitif 

Visit the Hagerbach Underground Test Gallery

The underground future lab: Visit the newly awarded underground re-search infrastructure of national importance. Specialists from around the world use this perfect un-derground infrastructure as a research and innovation laboratory.

Hear more about the new geothermal project “Icebreaker – A Closed Loop Geothermal Solution for District Heating Networks”

Practical Details

09:00 am: Departure Congress Centre ZH by bus

10:00 am: Arrival in Hagerbach Test Gallery

10:30 am to 12:00 am: Presentations in the Steigersaal:

  • Introduction to the tunnel, history, research infrastructure
  • Insights into the *Icebreaker* project

12:00 am to 01:30 pm: Catering and Networking

01:30 pm to 03:00 pm: Guided Tour (25 people / group)

03:00 pm: Departure to Zurich by bus

04:00 pm: Arrival Congress Centre ZH

Sponsored by

Visit the geostructures and deep aquifer storage at Zurich Airport

Zurich Airport is a hub for international transport, one of Switzerland’s largest commercial centers, an industrial site, and a major workplace. The complex is also one of the largest energy consumers in the country. Geothermal systems – particularly energy piles – are the backbone of its heating and cooling supply. They are used in all new buildings at Zurich Airport.  

New projects for utilising geothermal energy are currently in development. 

Practical Details

Travel time from ZH by bus/train: 30 minutes 

Duration of visit: from 9:30 am to 11:00 am (max. 30 participants) 

Tour programme: 

09:30 am: Meeting point at Zurich Airport (individual arrival) 

09:30 am to 10:00 am: Presentations (airport energy strategy, history of geothermal energy use, new projects) 

10:00 am to 11:00 am: Guided tour (visitors’ terrace, heating plant under construction, drilling – if drilling is currently taking place) 

  • Visit with Dominik Zimmermann, Leiter Energie 2040 

11:00 am: End of the Visit, participants can fly home 

Visit to an anergy network with geothermal probes (ETHZ)

The Hönggerberg campus of ETH Zurich is an urban district with more than 12,000 students and employees, spread across over 30 buildings and consuming nearly 77 gigawatt-hours of energy per year — about 22 gigawatt-hours of which are used for heating alone. In 2006, the ETHZ Board decided to reduce the campus’s CO₂ emissions by 50% by 2020. The anergy network contributes significantly to this goal. 

Practical Details

Travel time from ZH by bus: 30 minutes 

Duration of visit: from 9:00 am to 12:00 pm (max. 40 participants) 

Tour programme: 

09:00 am: Departure Congress Centre ZH 

09:30 am to 10:30 am: Welcome and Presentations 

10:30 am to 11:30 am: Visit of the technical installations 

11:30 am: Back to Zurich Center 

12:00 am: Arrival Congress Centre ZH 

About the congress

Programme

Abstracts & posters

Sponsors & exhibitors

Networking

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Welcome to the European Geothermal Congress 2025