Community Research and Development Information Service - CORDIS

Turbine management

Human impact on downstream migrating silver eel in European inland waters is caused by commercial fisheries and by mortality of eel passing the turbines of hydropower stations.

These human activities are widespread in many European rivers and might have detrimental effects on the population level of the European eel. Therefore it is important to know to what extent damage to eel caused by hydroelectric power stations as well as the impact of withdrawal of eel by commercial fisheries are a threat to the population. Furthermore, there is the need to develop and optimise technical countermeasures to protect downstream migrating eels at hydropower stations.

Countermeasures to protect downstream migrating fish at hydroelectric power stations are under research. One optional countermeasure is turbine management i.e. to close down the turbines during migrating periods of silver eel and to offer them a save passage over the weirs.

Reported by

Floecksmuehle Consultants
Bachstr. 62-64
52066 Aachen
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