On January 17 , construction began on a deep geological repository for the safe storage of the country’s spent nuclear fuel in Forsmark, Östhammar municipality, Sweden. This ambitious project, led by the Swedish company SKB (Swedish Nuclear Fuel and Waste Management Company), reinforces Sweden’s commitment to sustainability and long-term energy security.
A design thought for the future
The repository will be located 500 metres underground in 1.9 billion-year-old rock . With a planned capacity to store 12,000 tonnes of nuclear fuel in 6,000 copper containers , the facility will ensure the isolation of highly radioactive waste for thousands of years. SKB estimates that the first disposal process will begin in the 2030s, while full expansion will be achieved by 2080.
During the groundbreaking ceremony, Climate and Environment Minister Romina Pourmokhtari stressed the importance of the project as an essential step towards reducing the risks associated with handling radioactive waste. Initial construction includes preparatory works such as storage plants , water treatment and controlled clearing of forested areas.
Challenges and criticisms for the construction of the geological repository
Although the project is being hailed as an innovative solution, it is not without its challenges. Environmental groups have raised concerns about the risk of groundwater contamination, while some researchers point to potential corrosion problems in the storage containers. These concerns underscore the need for constant monitoring and technological adaptations .
With Finland operating the only deep geological repository in the world, Sweden is positioning itself as a benchmark in responsible nuclear waste management . This joint effort not only promotes nuclear safety, but also lays the foundation for a more sustainable and carbon-free energy transition.
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Source and photos: SKB
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