Electricity production at Olkiluoto 2 will continue at a reduced power level until the 2027 annual outage

9.9.2025

According to a previous announcement, electricity production at Olkiluoto 2 (OL2) has been operated at a reduced power level of 735 MW in order to reduce the risk of failure, since TVO currently does not have a spare generator rotor in storage. The refurbished spare rotor is expected to arrive at Olkiluoto in early 2026.

As a result of conservative analyses, the unit’s electricity production will continue at the reduced power level of 735 MW until a completely new rotor has been received at Olkiluoto. The unit’s full capacity is 890 MW. The completely new and technically improved rotor is expected to arrive at Olkiluoto by the 2027 annual outage.

Previously, TVO had announced that the reduced power level would continue until the 2026 annual outage.