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TVO seeks approval to make OL3 nuclear reactor critical (Finland)

The Finnish power company Teollisuuden Voima Oyj (TVO), together with the plant supplier AREVA-Siemens consortium, has submitted a permission application for making the 1,650 MW Olkiluoto 3 (OL3) EPR nuclear reactor critical and conducting low power tests to the Radiation and Nuclear Safety Authority in Finland (STUK). Once STUK has granted the permission, TVO will communicate its potential effects on the schedule for starting electricity production.

The OL-3 European Pressurized Reactor (EPR) project is being built by a consortium of Areva GmbH, Areva NP (now Orano) and Siemens under a fixed-price turnkey contract in Eurajoki (western Finland). Construction started in 2005 for an expected commissioning in 2009. However, the project has been hit by repeated delays, court disputes and rising costs. It is now nearing completion and is expected to be commissioned in February 2022, 12 years behind schedule. Upon completion, it will be operated by TVO.

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