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Electricity production at Europe’s largest nuclear power plant unit, in Finland, was interrupted over the weekend due to a turbine fault, operator Teollisuuden Voima Oyj (TVO) said.
The fault halted electricity production automatically at 19:10 on Sunday, it said in a media release.
The Olkiluoto 3 unit was in normal production when the fault automatically stopped the facility’s production.
In the subsequent review, the company found the fault to be a malfunctioning temperature measurement in the generator’s cooling system. After the repair work, further inspections and testing will be conducted at the facility.
The initial estimate was that the unit would be back up and running at noon on November 21, however, at the time of writing TVO has not issued an update. The company’s website showed that the first two units at the facility, OL 1 which was connected to the grid in 1978, and OL 2 which followed in 1980, are both producing at maximum capacity. The OL3 was still showing zero megawatts (MW).
The company said that the incident had no impact on nuclear safety.
OL3 started production in April this year following test runs. The unit produces electricity at about 1,600 MW.
OL3’s fuel loading into the reactor was completed in April 2021, and the nuclear reaction was initiated for the first time in December of the same year. The plant unit was connected to the national grid in March 2022.
OL3’s electricity production covers approximately 14 percent of Finland’s electricity demand.
To contact the author, email andreson.n.paul@gmail.com
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