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OL3

 

The construction of OL3 is a turnkey delivery by the French and German consortium formed by AREVA NP and Siemens. AREVA is responsible for the reactor and Siemens for the turbine plant.

The new plant unit is located at the western end of the Olkiluoto island, next to the OL1 and OL2 units. OL3 is an EPR (European Pressurized Water Reactor) plant. The net electrical output of the unit will be approximately 1,600 MW.

OL3 is a new-generation pressurized water plant. Its technology is based on positive operating experiences and results from the latest reactors commissioned in Europe. The development of OL3 is based on plants commissioned in France (N4) and Germany (Konvoi). The main emphasis of basic design work has been in further development of safety, particularly the prevention and management of severe accidents.

In January 2002, the Council of State made a favorable Decision-in-Principle on the construction of a fifth nuclear power plant unit in Finland, and the Parliament ratified the decision in May 2002. After competitive bidding and the excavation work carried out by TVO, the construction project for Olkiluoto 3 (OL3) was handed over to the plant supplier. Actual work began in spring 2005.