Teollisuuden Voima Oyj’s Interim Report 1 January–30 June 2025
During the first half of 2025, Teollisuuden Voima Oyj’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (OL2) and Olkiluoto 3 (OL3) plant units continued safely.
The total electricity production of the plant units during the period in review was 9,802 (10,372) GWh.
The final takeover of OL3 was accepted on 19 June 2025. The final takeover was based on the fulfillment of the terms pursuant to the Plant Contract.
The 2025 annual outages have been completed at Olkiluoto. The annual outage for OL3 started on 1 March and ended on 29 April. The refuelling outage for OL1 started on 11 May and ended on 22 May. The annual outage for OL2 started on 25 May and
ended on 24 June.
On 11 April 2025, the Ministry of Economic Affairs and Employment (MEAE) issued its reasoned conclusion on the environmental impact assessment (EIA) for the OL1 and OL2 plant units. It examined continuing the operation of the plant units as well as
continuing the operation at an uprated power level.
The processing of Posiva’s operating licence application at the Radiation and Nuclear Safety Authority (STUK) progressed. STUK’s safety assessment and statement concerning the operating licence application of the disposal facility for spent nuclear fuel is expected to be completed during 2025.
Full Interim Report can be found here