Environment-friendly Energy Transition

Switzerland has firmly resolved to pull out of atomic energy in a step-by-step program. The Federal government’s Energy Strategy 2050 envisions the expansion of hydroelectric power and the increased use of other renewable energy sources. Eawag is researching the impacts of this energy transition on Swiss waters and society and developing processes for a more efficient use of energy from various sources.


September 17, 2021

The chaotic behaviour of vortices is one of the things that makes weather forecasting so difficult. Researchers at ETH Zurich, Eawag and WSL, together with international partners, have now developed a novel experimental method that enables more accurate analyses of the movement and energy of turbulence in fluids with much less effort.

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September 16, 2021

It is well known that Legionella bacteria can contaminate drinking water systems in buildings. A case study published in Aqua & Gas by Eawag and the Lucerne University of Applied Sciences and Arts now shows how they can be controlled by different temperature strategies.

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Scientific publications

Calamita, E.; Siviglia, A.; Gettel, G. M.; Franca, M.J.; Winton, R. S.; Teodoru, C. R.; Schmid, M.; Wehrli, B. (2021) Unaccounted CO2 leaks downstream of a large tropical hydroelectric reservoir, Proceedings of the National Academy of Sciences of the United States of America PNAS, 118(25), e2026004118 (8 pp.), doi:10.1073/pnas.2026004118, Institutional Repository
Cavadini, G. B.; Cook, L. M. (2021) Green and cool roof choices integrated into rooftop solar energy modelling, Applied Energy, 296, 117082 (13 pp.), doi:10.1016/j.apenergy.2021.117082, Institutional Repository
Contzen, N.; Handreke, A. V.; Perlaviciute, G.; Steg, L. (2021) Emotions towards a mandatory adoption of renewable energy innovations: the role of psychological reactance and egoistic and biospheric values, Energy Research and Social Science, 80, 102232 (15 pp.), doi:10.1016/j.erss.2021.102232, Institutional Repository
Hileman, J. D.; Angst, M.; Scott, T. A.; Sundström, E. (2021) Recycled text and risk communication in natural gas pipeline environmental impact assessments, Energy Policy, 156, 112379 (12 pp.), doi:10.1016/j.enpol.2021.112379, Institutional Repository
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Strategic area of focus "Energy"

Within the framework of the ETH Domain’s strategic area of focus «Energy», Eawag investigates the environmental impacts of energy production, the acceptance of alternative energy supply, the potential for energy savings and energy production from wastewater. Click for a complete project list.

Selected research projects

Watercourses are among earth's most biodiverse ecosystems. However, they are also under severe pressure from construction work and hydropower generation, among other things.
Sustainable urban water and wastewater management applied and implemented in the modular NEST building.
This project aims at providing a better insight into the public preferences of the Swiss population for the suggested hydropower expansion.
Watercourses are among earth's most biodiverse ecosystems. However, they are also under severe pressure from construction work and hydropower generation, among other things.
Collaborative learning for hydropeaking mitigation


Dr. Christian Binz
  • decentralized systems
  • innovation
  • global change
  • sustainable transitions
  • urban water management
Marc Böhler
  • wastewater treatment
  • micropollutants
  • ozonation
Dr. Nadja Contzen
  • environmental psychology
  • transdisciplinary research
  • behaviour change
  • health psychology
  • public acceptability
Prof. Dr. Karin Ingold
  • science-policy interface
  • environmental policy
Dr. Adriano Joss
  • wastewater
  • micropollutants
  • ozonation
Prof. Dr. Rolf Kipfer
  • noble gases
  • isotopes
Dr. Ivana Logar
  • decision analysis
  • sustainable water management
  • environmental economics
Dr. Martin Schmid
  • modeling
  • surface water
  • hydropower
Prof. Dr. Bernhard Truffer
  • wastewater
  • decentralized technologies
  • transdisciplinary research
  • hydropower
Prof. Dr. Kai Udert
  • wastewater separation
  • decentralized technologies
  • nutrients
  • urine separation
  • resource recovery
Dr. Christine Weber
  • fish
  • river restoration
  • ecology
Prof. Dr. Bernhard Wehrli
  • river restoration
  • hydrogeology
  • surface water
  • sediments
Prof. Dr. Alfred Johny Wüest
  • aquatic ecology
  • water quality
  • Lake management
Dr. Christian Zurbrügg
  • solid waste management
  • sustainable water management
  • water treatment
  • urban sanitation
  • water supply