New fish passage in Forsmark’s Bruk

The small community of Forsmark’s Bruk is located a few kilometres from Forsmark’s nuclear power plant, and here, Vattenfall has identified potential to construct a new fishway that aims to contribute to creating and maintaining valuable living conditions for animals and ecosystems in the area. 

Short facts

  • Forsmark
  • Sea trout, eel and perch
  • Remove the migration obstacles and create spawning and nursery habitats
  • 2026

Restoring free migration routes for fish is aligned with the EU Water Framework Directive and national environmental goals. The planned actions include building a 160-meter bypass channel and a stone-lined canal that will give the fish access to an interconnected lake system of 800 hectares.

A school of fish in turquoise water.

In addition, spawning and nursery habitats will be improved along the river aiming to enhance biodiversity both locally and regionally. The project aims to benefit species like sea trout, eel and perch which will benefit from the removal of migration obstacles. 

The new fish passage will be constructed in collaboration between Sportfiskarna and Forsmark’s nuclear power plant, who will share costs for planning, contractors, and materials. Following a period of soil sampling and analysis for soil contamination, the project is planned to start and be carried out in 2026.

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.

Marsh fritillary butterfly.

How we make a difference for nature

Biodiversity is an important and integrated part of our work. Here, we show concrete examples of how we care for nature through our projects.

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