The Olkiluoto nuclear power station in Finland produced 23.41 TWh of electricity in 2025, up from 23.26 TWh in 2024, but down on the 24.67 TWh produced in 2023.
Teollisuuden Voima Oyj (TVO), owner and operator of the three-unit facility, said the output equals about a quarter of Finnish electricity consumption.
It said the newest plant, the Olkiluoto-3 EPR, which began commercial operation in April 2023, produced electricity without any interruptions during the year.
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