The safe operation of the Olkiluoto nuclear power plant is based on the high standard of plant engineering, the principle of continuous improvement, competent and responsible personnel, as well as independent external oversight.

TVO is committed to maintaining operating conditions that ensure the implementation of efficient procedures and practices in a safety, quality and cost conscious manner. This guarantees the ability to produce competitive electricity safely and reliably. TVO's operation must not cause harm to people, the environment or property. The plant units are kept in pristine condition at all times and their safety features have been improved in many ways throughout their operating history.

TVO's entire personnel, suppliers and contractors are committed to an uncompromising safety culture. The factors that affect the safety of the nuclear power plant are awarded the attention they deserve based on their criticality and are prioritised in decision-making. The principle of continuous improvement, proactivity and the safety culture are highlighted in day-to-day work.