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World Nuclear Power Reactors 1951–2026
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Finland
Operating
5
Number of Reactors
(as of January 2026)
38.3
Mean Age of Reactor Fleet
(as of January 2026)
39.2%
Decrease
Nuclear Share in Electricity Production
(2024)
WNISR
Essential News –
25 March 2022
WNISR
Europe’s First
EPR
: 13 Years Behind Schedule, Olkiluoto-3 in Finland Starts Up
WNISR
, 25 March 2022 On 12 March 2022, the first European Pressurized Water Reactor (
EPR
) on the European continent was connected to the grid at the Finnish Olkiluoto power plant. The 1600
MW
Olkiluoto-3 (
OL3
) is the third unit at Olkiluoto located on the shore of the Gulf of Bothnia in western Finland. Nearly 17 years since construction start, plant operator Teollisuuden Voima Oyj (
TVO
) described the grid connection as Finland’s greatest climate act “commissioning of the most powerful (…)
WNISR
in the Media –
22 January 2022 [de]
Tamedia/Der Bund (Switzerland)
Kommt das Comeback der Atomkraft?
Energieversorgung Neuer Reaktor in Finnland, Debatte in der
EU
um Förderung der Kernkraft: Die nukleare Energie erhält eine neue Strahlkraft. Hält sie an? Und was heisst das für die Schweiz? von Stefan Häne & Martin Läubli Veröffentlicht am 4. Januar 2022 Die Kernkraft schien nach dem Unfall von Fukushima 2011 zumindest in Europa ein Auslaufmodell zu sein. In Deutschland gehen Ende Jahr die letzten drei Kernkraftwerke vom Netz, die Schweiz hat den schrittweisen Ausstieg beschlossen, (…)
The Annual Reports –
4 September 2018
Nuclear Power: Strategic Asset, Liability or Increasingly Irrelevant?
The World Nuclear Industry Status Report 2018 Released
Paris, London, 4 September 2018. Nuclear power plants added a total of 7-gigawatt (
GW
) capacity to the world’s electricity grids in 2017 and the first half of 2018, a tiny fraction of the total from all sources, which is estimated at some 257
GW
(net) in 2017, including 157
GW
of renewable capacity (the largest increase ever). Over that 18-month period, six reactors started up in China, two in Russia and one in Pakistan. For the third year in a row, excluding China, global nuclear power generation has declined, finds the World Nuclear Industry Status Report 2018 (
WNISR2018
).