The cause of the Olkiluoto 2 generator fault has been identified – the plant will return to production at the end of September
12.9.2024
Electricity production at the Olkiluoto 2 (OL2) unit was halted on the morning of Monday, September 9, due to an increase in moisture detected in the turbine plant's generator. The issue has been identified as a fault in the rotor of the water-cooled generator.
According to the current estimate, OL2's electricity production will resume on September 29, after more detailed fault investigations and repairs.
OL2 has a nominal power capacity of 890 MW. The electricity produced by the unit accounts for about 8 percent of the electricity used in Finland. The OL1 and OL3 units at Olkiluoto are operating normally.
The production capacities of the Olkiluoto nuclear power plant units can be monitored in real time at www.tvo.fi.
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