8. Nuclear Power Plant in Olkiluoto
Where: Euraijoki, Finland
Completed Cost: $12.4 billion
* Year: 2021
The Olkiluoto Nuclear Power Plant has been in operation since the late 1970s and is owned and operated by Teollisuuden Voima (TVO), a nuclear power corporation based in Finland. But in 2000, following twenty years of trouble-free operation, TVO submitted a request for permission for an extra reactor unit to the Finnish government.
Hannu Huovila/TVO/Wikimedia Commons Olkiluoto Nuclear Power Plant
Three years after the unit’s approval in 2002, the building got underway. The new unit’s formal start of power production was delayed by a few unforeseen events, and it didn’t happen until March 12, 2022. The nuclear power facility in Finland has already cost more than $12 billion, and there are still plans in place for at least one additional reactor in the future.
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