Ensuring safe fish passage: guiding fish using pumps
At large hydropower plants, guiding fish is highly complex and conventional intake racks are often expensive and not a feasible solution.
Short facts
- Edsforsen, Sweden
- Salmon
- Divert fish from swimming into the turbines
- Continuous
As part of our work with R&D, we are therefore continuously evaluating how new technology can help to guide fish away from high-mortality passages and towards safer routes.
We have tested different solutions, one example being large pumps that can be used to create a jet flow that guides fish in the right direction.
In late 2024, a large pump (9 m3/s) was tested at Edsforsen hydropower plant and the guiding efficiency is being evaluated by the Swedish University of Agricultural Science.
More about biodiversity
Biodiversity and nature protection are a priority at Vattenfall. It is one of the focus areas in our environmental policy and therefore also a central part in our environmental work.
See also
Biotope restoration and species protection
Biotope restoration and species protection play a vital role in adapting hydropower to the environment.
Conservation of lesser white-fronted goose in Sweden
The lesser white-fronted goose has declined since the 1940s, making it one of Sweden’s most threatened birds.
Nature conservation efforts at Windplanblauw: artificial reefs and resting areas
Windplanblauw is a wind energy project located in the province of Flevoland in central Netherlands.