Teollisuuden Voima Oyj’s Interim Report 1 January–31 March 2026

24.4.2026

During the first quarter of 2026, Teollisuuden Voima’s (TVO) electricity generation at the Olkiluoto 1 (OL1), Olkiluoto 2 (OL2) and Olkiluoto 3 (OL3) plant units continued in a stable manner. Electricity production at Olkiluoto substantially contributed to meeting the high electricity demand caused by the record-breaking period of freezing weather at the beginning of the year.

The total electricity production of the plant units during the period in review was 6,872 (5,596) GWh.

In January 2026, the Radiation and Nuclear Safety Authority (STUK) granted TVO an operating permit for a near-surface final disposal facility located at Olkiluoto. The facility is intended for the final disposal for very low-level nuclear waste. The facility will begin operation at the earliest in 2028.

Full Interim Report can be found here