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Sunday, June 23, 2024

Finland. Olkiluoto. One of the largest reactors in the world disconnected from the grid. “The causes are being investigated”

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The newest and largest unit of the Olkiluoto power plant located on the west coast of Finland was automatically disconnected from the grid again, approximately a week apart. The failure occurred during one of the tests. The causes are being investigated, the TVO operator reported on Wednesday afternoon.

The disconnection occurred due to a local voltage drop test.

Previously, the reactor was also automatically disconnected from the grid more than a week ago when incorrect temperature measurement in the cooling system was found. The repair took several days.

The third reactor of the Olkiluoto power plantTVO

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One of the largest in the world

The OL3 pressurized water reactor, built by a French-German consortium, is located on an island in the Gulf of Bothnia. It was launched in April this year. The unit with a capacity of 1,600 MW is one of the largest reactors in the world. It generates approx. 15%. domestic electricity (together with the two older reactors from the turn of the 1970s and 1980s – approx. 30%).

Ultimately, the launch of the reactor was postponed more than 20 times due to a variety of technical and administrative problems. The original plan was for the unit to start providing energy in 2009.

Main photo source: TVO

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