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.


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February 22, 2018

The earth’s water supply is changing because of global warming: the ratio of precipitation to evaporation is sinking, and additional arid zones may emerge. The speed at which this development is likely to take place has been analysed by an international team including Eawag researchers.  Read more

February 19, 2018

If the climate heats up, the temperature in the uppermost layer of lakes will increase, the thermic layering will become more stable and last longer, and less oxygen will reach the depths – this is the present theory on the effect of climate change on lakes. Read more

February 15, 2018

A shower hose will often contain more bacteria than the rest of the building’s plumbing system. A research team led by Frederik Hammes has been investigating this topic for the past four years. In their latest study, they analysed biofilms in 78 shower hoses from 11 countries, and in 21 of them, they detected legionella – a potential pathogen. In this interview, Hammes explains why we should not be unduly concerned. Read more


Scientific publications

Kammermann, L. (2018) Factors driving the promotion of hydroelectricity: a qualitative comparative analysis, Review of Policy Research, 35(2), 213-237, doi:10.1111/ropr.12274, Institutional Repository
Sollberger, S.; Wehrli, B.; Schubert, C. J.; DelSontro, T.; Eugster, W. (2017) Minor methane emissions from an Alpine hydropower reservoir based on monitoring of diel and seasonal variability, Environmental Sciences: Processes and Impacts, 10(19), 1278-1291, doi:10.1039/C7EM00232G, Institutional Repository
Bruder, A.; Tonolla, D.; Schweizer, S. P.; Vollenweider, S.; Langhans, S. D.; Wüest, A. (2016) A conceptual framework for hydropeaking mitigation, Science of the Total Environment, 568, 1204-1212, doi:10.1016/j.scitotenv.2016.05.032, Institutional Repository
Mattmann, M.; Logar, I.; Brouwer, R. (2016) Wind power externalities: a meta-analysis, Ecological Economics, 127, 23-36, doi:10.1016/j.ecolecon.2016.04.005, Institutional Repository
Ding, A.; Liang, H.; Li, G.; Derlon, N.; Szivak, I.; Morgenroth, E.; Pronk, W. (2016) Impact of aeration shear stress on permeate flux and fouling layer properties in a low pressure membrane bioreactor for the treatment of grey water, Journal of Membrane Science, 510, 382-390, doi:10.1016/j.memsci.2016.03.025, 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.