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Olkiluoto 2 reactor going offline for valve failure repair

The reactor will be taken off the country's electricity grid over the weekend.

yleiskuva - Olkiluodon ydinvoimalaitoksen reaktorirakennukset kolme ja yksi kuvattuna merenlahden yli. Etualalla kaislikkoa.
TVO's Olkiluoto 1, 2 and 3 nuclear power reactors, located on Finland's west coast, file photo. Image: Esa Syväkuru / Yle
Yle News

Finland's Olkiluoto 2 nuclear reactor is scheduled to go offline for two days to repair a valve malfunction, according to the facility's operator TVO.

The company said the plant's power downgrade is planned to start at 5pm on Friday, and will be taken off the grid a couple of hours later.

Following repairs, OL2 will go back into service on Sunday, TVO said in a statement issued on Thursday.

"The plant unit will be placed back online on Sunday afternoon, after which a power increase will begin. Increasing the power takes about 50 hours," the company said, adding that the technical issue does not have an impact on nuclear safety.

TVO's newest reactor, the long-awaited OL3, is scheduled to be operational next month and functioning at full capacity March, the company said last week. The reactor was in the testing phase this autumn but then taken offline in order repair the facility's feed water pump systems.

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