13th Swiss Symposium Thermal Energy Storage
Friday 30th of January 2026
Participation fee
On site (incl. lunch, coffeebreaks and workshops)
- CHF 360.- Regular
- CHF 150.- SWEET Partners, SwissSTES, HSLU Alumni
- free of charge for students and employees of the Lucerne University of Applied Sciences and Arts (please use the discount code from the Inside News or contact Isabel Kottmann)
Online (streaming presentations only - passive streaming and workshop participation is not possible)
- CHF 150.- ONLINE Regular - 50% discount
- free of charge for students and employees of the Lucerne University of Applied Sciences and Arts and online participation of the SWEET Partner, SwissSTES Project Partner and HSLU Alumni
Please note: discount codes code will be shared directly to the partners. For the online participation please contact Isabel Kottmann
08:30 Registration
09:00 Welcome
- Anastasia Stamatiou and CC TES Team
09:20 Keynote Session 1
- Philipp Schütz, Lucerne University of Applied Sciences and Arts (HSLU), CH - “Which energy storage does Switzerland need in the future?”
09:50 Session 1: Building & Districts
- Josef Timoteo Jenni, Jenni Energietechnik AG, CH - “Power to heat and thermal energy storage in district heating. How district heating can contribute to the further expansion of PV”
- Andreas Stalder, RENERCON, CH - “Pit thermal storage project Beringen / Schaffhausen”
- Peter Bayer, Uni Halle, DE - “Heating caverns and former firewater basins: the project INTERSTORES”
10:30 Coffee Break with Exhibition & Poster Session
11:00 Keynote Citizen Perspective
- Isabelle Stadelmann, University of Bern - Institute of Political Science and Oeschger Center for Climate Change Research, CH - “Sociotechnological Breakthrough of Thermal Energy Storage - a new Approach of Constructive Technology Assessment"
11:20 Session 2: Industry & Services
- Benjamin Ong, Lucerne University of Applied Sciences and Arts (HSLU), CH - "Mapping Thermal Storage Potential with Pinch Analysis"
- Stefanie Tafelmeier, ZAE Bayern, DE - "Energy Storage for Industrial Process Heat”
- Eva Sutter, Geo Explorers, CH - "Exploration and development of a large, 300-meter-deep ATES (Aquifer Thermal Energy Storage) in gravel deposits in a Quaternary glacial channel at Zurich Airport"
12:00 Workshop Input
- Andreas Hauer, ZAE Bayern. DE - "IEA Task Application Oriented Energy Storage Selection – AppESS: How to identify the best thermal energy storage solution?"
12:15 Lunch with Exhibition & Poster Session
13:30 Workshop
- Andreas Hauer & Richard Lüchinger
15:00 Coffee Break with Exhibition & Poster Session
15:30 Session 3: Users & Demand Perspective
- Martin Soltermann, LONZA, CH - "Solar energy with TES - Vispertalsolar"
- Kira Jungfleisch, ROCHE, CH - "The Next Wave: Energy Storage & Savings"
- Roger Wietusch, KYOTO Group, NO - "TES as a means and competitive advantage in a global world"
- Timothée Demierre & Téo Goddet, Groupe E & ECCUS, CH - "Cavern Accumulators (CTES) for District Heating Fribourg"
- Dominik Born, Industrielle Werke Basel (IWB), CH - "Nanoverbund - Warm neighbourhood"
- SwissSTES, CH - "Title TBA..."
16:15 Workshop results
16:25 Panel discussion
17:10 Closing remarks
17:15 Networking Apero
18:30 End of the Symposium
