Loviisa Nuclear Power Plant

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Loviisa Nuclear Power Plant
Loviisan voimalaitos ilmasta.png
Loviisa Nuclear Power Plant from air
Loviisa Nuclear Power Plant is located in Finland
Loviisa Nuclear Power Plant
Location of Loviisa Nuclear Power Plant
Country Finland
Location Loviisa
Coordinates 60°22′20″N 26°20′50″E / 60.37222°N 26.34722°E / 60.37222; 26.34722Coordinates: 60°22′20″N 26°20′50″E / 60.37222°N 26.34722°E / 60.37222; 26.34722
Status Operational
Construction began May 1, 1971 (May 1, 1971)
Commission date May 9, 1977 (May 9, 1977)
Owner(s) Fortum Power and Heat OY
Nuclear power station
Reactor type VVER-440/213
Reactor supplier Atomenergoexport
Power generation
Units operational 507+502 MW PWR
Nameplate capacity 1,009 MW
Capacity factor 91.2%
Annual net output 8,150 GW·h

The Loviisa Nuclear Power Plant (NPP) (Finnish: Loviisan ydinvoimalaitos, Swedish: Lovisa kärnkraftverk) is located close to the Finnish town of Loviisa. It houses two Soviet-designed VVER-440/213 PWR reactors, with capacities of 507 MW and 502 MW.

The reactors at Loviisa NPP went into commercial operation in 1977 and 1980 respectively. To comply with Finnish nuclear regulation, Westinghouse and Siemens supplied equipment and engineering expertise. This unorthodox mix of Western and Soviet enterprise led to the project developers being given the nickname "Eastinghouse".[1][2] The plant is operated by Fortum Oyj.

In 1996, the pressure vessel of Unit 1 was successfully heat annealed in order to clear embrittlement caused by neutron bombardment and impurities of the welding seam between the two halves of the vessel.[3]

The operating licence for both units has been renewed for a 50-year lifetime, Loviisa-1 to 2027 and Loviisa-2 to 2030.[4]

Fortum Power and Heat Oy applied to build a third reactor unit, to produce up to 1000 MWt of district heating supply and from 800 - 1,600 MW of electrical generation, which the Finnish government declined on 21 April 2010.[5]

Spent fuel from the reactors were planned to be stored permanently at the Onkalo spent nuclear fuel repository.[citation needed]

In 2014 Rolls-Royce took over the modernisation of safety-related systems for both units from an AREVA-Siemens consortium and the project should be completed by 2018.[6]

As of February 2018, the capacity of Unit 1 is 507 MW and the capacity of Unit 2 502 MW.[7]

See also[edit]


  1. ^ "Ärger mit Eastinghouse" [Trouble with Eastinghouse] (in German). 2010-04-21. Retrieved 2011-09-22. 
  2. ^ Michelsen, Karl Erik (2007). "Project Eastinghouse – teknologinen haaste Loviisassa" [Project Eastinghouse – technological challenge in Loviisa]. ATS Ydintekniikka (in Finnish). Suomen Atomiteknillinen Seura (3): 14–16. ISSN 0356-0473. 
  3. ^ "Loviisan voimalaitos" [Loviisa power plant] (in Finnish). STUK. Archived from the original on 29 March 2012. Retrieved 20 September 2011. 
  4. ^ Martti Antila, Tuukka Lalitinen. "Recent Core Design and Operating Experience in Loviisa NPP" (PDF). Fortum Nuclear Services Ltd, Espoo, Finland. IAEA. Retrieved 20 September 2011. 
  5. ^ "Finnish government says Yes to TVO and Fennovoima". Nuclear Engineering International. Global Trade Media. 2010-04-21. Archived from the original on 2011-06-13. Retrieved 2010-07-01. 
  6. ^ "Fortum drops AREVA-Siemens for Rolls-Royce at Loviisa". Nuclear Engineering International. 22 May 2014. Retrieved 23 May 2014. 
  7. ^ "Voimalaitosrekisteri | Energiavirasto".