Finland approves the world's first nuclear cemetery, 400 metres underground
Finland's government granted the world's first licence for a deep, permanent geological repository for spent nuclear fuel. It is called Onkalo, sits 400 metres deep on Olkiluoto island and took four decades to develop. It must isolate waste from the Olkiluoto and Loviisa reactors for at least 100,000 years. It will receive about 60 capsules a year until holding 6,500 tonnes around 2120, when it would be sealed and operate without electricity or human oversight.
In 35 seconds
- Finland grants the world's first licence for a deep, permanent geological repository for spent nuclear fuel.
- Onkalo lies 400 metres deep on Olkiluoto island and required four decades of studies and construction.
- The fuel is stored in about 3,300 cast-iron capsules coated with copper and surrounded by special clay.
IASummary generated by artificial intelligence from a story by Clarin.com. It may contain errors: the original source prevails.




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