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Construction|Nuclear|Power|PROJECT|Siemens
Construction|Nuclear|Power|PROJECT|Siemens
construction|nuclear|power|project|siemens

Olkiluoto 3 European pressurised reactor project, Finland – update

Image of Olkiluoto 3 European pressurised reactor

Olkiluoto 3 European pressurised reactor

Photo by Teollisuuden Voima Oyj

27th June 2025

By: Sheila Barradas

Creamer Media Research Coordinator & Senior Deputy Editor

     

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Name of the Project
Olkiluoto (OL) 3 European pressurised reactor (EPR) project.

Location
Western Finland.

Project Owner/s
Electricity producer Teollisuuden Voima Oyj (TVO).

Project Description
The OL3 nuclear power plant unit includes an EPR adjacent to the existing OL1 and OL2 units.

OL3 has an output of about 1 600 MW and produces about 13 TWh/y of electricity to meet about 14% of Finland's electricity demand.

Potential Job Creation
Not stated.

Capital Expenditure
$11-billion, about three times what was initially estimated.

Planned Start/End Date
Construction of OL3 started in 2005 and entered operation in 2023, significantly behind schedule.

Latest Developments
TVO has completed its final acceptance – the final takeover – of Olkiluoto 3, based on the fulfilment of the terms and conditions in the plant supply contract.

Key Contracts, Suppliers and Consultants
Areva–Siemens Consortium, comprising Areva GmbH, Areva NP SAS and Siemens AG (plant supplier).

Contact Details for Project Information
TVO, tel  +358 2 83 811.

Edited by Creamer Media Reporter

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