Olkiluoto 1 returns to electricity production upon completion of annual outages
The annual outages have been concluded in Olkiluoto for this year. They ended today, Wednesday 19 June at 14:45 when the Olkiluoto 1 plant unit (OL1) returned to production. The refuelling outage at the Olkiluoto 2 plant unit (OL2) was completed already on 9 May and the service outage at the Olkiluoto 3 plant unit (OL3) on 16 May.The service outage at OL1 started on 12 May and took 37 days and 21 hours. The duration of the annual outage was extended by a failure detected on the generator’s stator in the comprehensive service inspection. During the outage, a partial fracture was found in one