571:
687:(STUK) granted a licence for the Olkiluoto 3 reactor to increase its power output to more than 60 percent to a full 4,300 MW of thermal capacity. On 30 September 2022, the reactor achieved its design output power. In October 2022, damage was discovered in the feedwater pumps and unit 3 was shut down for an investigation, delaying the end of commissioning testing. On 28 October, it was announced that cracks a few centimetres long had been found in all four of the feedwater pump impellers. The feedwater pumps are larger than in other nuclear reactors. In January 2023, it was announced that new more robust impellers will be installed in all four feedwater pumps, and test operation at full power should restart in February.
42:
723:, the Finnish nuclear safety regulator. The first problems that surfaced were irregularities in the foundation concrete, and caused a delay of months. Later, it was found that subcontractors had provided heavy forgings that were not up to project standards and which had to be re-cast. An apparent problem constructing the reactor's unique double-containment structure also caused delays, as the welders had not been given proper instructions.
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4752:
1441:
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4687:
1363:
582:
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TVO's current capital expenditure assumptions and the effect of the settlement agreement estimates its total investment to be around € 5.5 billion (US$ 6.42 billion); on top of this AREVA had losses of € 5.5 billion, for a total of € 11 billion (US$ 12.4 billion) compared with the initial estimate
827:
between 87.2% and 96%. OL3 is expected to produce an additional 12,000–13,000 GWh annually. Even taking into account all OL3 construction delays the long-term target for operational production cost (not including investments and subsidies) for all three plants is 33 €/MWh. Production cost for the OL3
819:
announced that Areva and TVO had reached an agreement. A day later, TVO confirmed that Areva would pay it €450 million in compensation over the delays and lost income. The agreement would settle all legal actions between the two companies. With the settlement, TVO disclosed its total investment to be
755:
Areva was not used to STUK's regulatory approach with an early focus on the quality of structures and components. Manufacturing information and a quality control plan must be approved by both the licensee and STUK before manufacturing of the most important components is allowed to start. Inspections
699:
The first licence application for the third unit was made in
December 2000 and the date of the unit's entry into service was estimated to be 2010. However, since the start of construction, several delays to the schedule have been announced. In July 2012, TVO announced that the unit would not go into
553:
In 2017, unit 2 was upgraded and modernized, increasing the output further to 890 MW from the beginning of 2018. A similar upgrade to unit 1 was performed in 2018. The extended maintenance was also made to prepare for a license renewal application. The license extension was granted in
September
707:
In
February 2014, TVO said that it could not give an estimate of the plant's startup date because it was still waiting for the Areva-Siemens consortium to provide it with an updated overall schedule for the project." Later the same month it was reported that Areva was shutting down construction due
549:
The original power of the reactors was 660 MW. They were uprated to 710 MW in 1983–1984, to 840 MW in 1995–1998, and further to 860 MW in 2005–2006. Major upgrades were carried out to the units in 2010 and 2011, including replacement of turbines and generators, isolation valves,
1331:
On 14 February 2008, TVO submitted an environmental impact assessment of unit four to the
Ministry of Employment and Economy. On 21 April 2010, the government of Finland decided to grant a decision-in-principle to Teollisuuden Voima for the fourth reactor in Olkiluoto. The decision was approved by
715:
In July 2019, TVO announced that regular electricity generation is expected to start in July 2020. The delay was caused by slower than expected modification works. In August 2020, TVO announced that regular electricity generation was delayed to
February 2022 due to slow progress in system testing,
1558:
Finnish power company
Teollisuuden Voima (TVO) operates and owns two nuclear power stations on the island of Olkiluoto which supply about one-sixth of Finland's energy consumption and represent about 22% of all power generated in the country. This year, TVO is about to open its third plant on the
690:
The plant started regular electricity production on 16 April 2023 after test production and commercial operation on 1 May 2023. Unusual for nuclear reactors in
Scandinavia, OL3 reduced production in May 2023 due to negative market prices during the spring thaw when hydropower was unable to absorb
1314:
The first annual maintenance outage started on 2 March 2024, and was expected to take 37 days. The outage was delayed from the original plan due to the shutdown process and inspections of the fuel elements taking longer than expected, and technical problems identified during the maintenance. The
679:
occurred on 14 January 2022, delaying connection to the national grid to
February 2022. The electricity production of Olkiluoto's third nuclear power plant unit started on Saturday, 12 March 2022, at 12.01 p.m. In May 2022, foreign material detached from the steam guide plates was found in the
1452:
An incident occurred at unit 2 on 10 December 2020 at 12:22. Because of valve repair work, excessively hot water flowed to the reactor water clean-up system filters. The hot water dissolved materials from the filters. When the clean-up system was restarted, the dissolved materials flowed to the
856:
The construction workforce includes about 3,800 employees from 500 companies. 80% of the workers are foreigners, mostly from eastern
European countries. In 2012 it was reported that one Bulgarian contracting firm is owned by the mafia, and that Bulgarian workers have been required to pay weekly
804:
The main contractor, Areva, is building the unit for a fixed price of €3 billion, so in principle, any construction costs above that price fall on Areva. In July 2012, those overruns were estimated at more than €2 billion, and in
December 2012, Areva estimated that the full cost of building the
1472:
On 3 June 2024 at 11:41, electricity production of unit 3 was briefly interrupted due to a turbine malfunction. An immediate investigation found the cause to be a failure in the differential pressure measurement of the generator's sealing oil and hydrogen coolant. The unit returned to normal
751:
The project started very slowly because Areva was not adequately prepared. When the construction permit was given in 2005, parts of the detailed design were not yet available. Areva did not recognize how much additional work was needed to complete it. The construction started to proceed in a
546:. Unit 1 was constructed by Atomirakennus and unit 2 by Jukola and Työyhtymä. Unit 1 achieved its initial criticality in July 1978 and it started commercial operations in October 1979. Unit 2 achieved its initial criticality in October 1979 and it started commercial operations in July 1982.
840:
wrote, "Olkiluoto has become an example of all that can go wrong in economic terms with new reactors," and that Areva and the TVO "are in bitter dispute over who will bear the cost overruns and there is a real risk now that the utility will default." The project has also been criticized by
700:
service before 2015, five years after the original estimate. In a statement, the operator said it was "not pleased with the situation" although solutions to various problems were being found and work was "progressing", and that it was waiting for a new launch date from Areva and Siemens.
513:
type reactor (unit 3) with a capacity of 1,600 MW. This makes unit 3 currently the most powerful nuclear power plant unit in Europe and the third most powerful globally. Construction of unit 3 began in 2005. Commercial operation, originally scheduled for May 2009, began on 1 May 2023.
663:, the construction phase of the project would create a total of about 30,000 person-years of employment directly and indirectly; that the highest number of on-site employees has been almost 4,400; and that the operation phase would create 150 to 200 permanent jobs. A 90 MW
2133:
2667:
1448:
In April 2014, a turbine steam condenser of unit 1 had a small seawater leak, at a rate of two litres per hour. According to the operator, the leak forced to limit the plant output down to 300 MW, but was not serious and was to be repaired in a day.
703:
At the end of 2013, TVO said that the Areva-Siemens consortium plans to reduce workers and subcontractors on the construction site and says that it expects the contractor to provide details about the expected impact on the project's schedule.
730:
that it was difficult to deliver nuclear power plant projects on schedule because builders were not used to working to the exacting standards required on nuclear construction sites, since so few new reactors had been built in recent years.
1461:, closed containment isolation valves, and started the containment spray system. The operators followed procedures and declared a site area emergency at 12:32. The event caused a full-scale emergency response at the power plant and at the
2438:
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796:. However, as of 2019, the construction of the EPR in France is ten years behind schedule. Taishan 1 in China became the first EPR to start power generation on 29 June 2018, and the second one (Taishan 2) came online in 2019.
2529:
542:. The units' architecture was designed by ASEA-Atom. The reactor pressure vessels were constructed by Uddcomb Sweden AB, and reactor internal parts, mechanical components by Finnatom. The electrical equipment was supplied by
674:
asking permission to start up Unit 3 and to move forward with initial testing of the unit. This was granted on 16 December 2021. First criticality of the OL3 EPR plant unit was reached on 21 December 2021. An unplanned
3927:
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Turbine refurbishment takes longer than expected, causing another delay of at least three months. Reactor start expected in January 2022, production of electricity in February 2022 and commercial production in June 2022.
812:
In October 2013, TVO's demand for compensation from Areva had risen to €1.8 billion, and Areva's from TVO to €2.6 billion. In December 2013, Areva increased its demand to €2.7 billion. On 10 March 2018 French newspaper
517:
A decision-in-principle for a fourth reactor to be built at the site was granted by the Finnish parliament in July 2010, but in June 2015 TVO decided that it would not apply for a construction license for Olkiluoto 4.
4371:
3695:
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1457:. This caused the radiation levels in the steam line to momentarily rise to 3–4 times higher than normal. The increase of the radiation level activated safety systems, which operated as planned and triggered reactor
561:
program, published in January 2024, investigates options to extend the lifetime by 10 or 20 years at the current power or uprating to 970 MW (in 2028 at the earliest) in addition to the 10 or 20-year extension.
1065:
Areva announced it expected construction completion and commissioning to start in mid-2016, with operation expected to start in 2018. TVO stated they were surprised that commissioning was expected to take so long.
615:
Construction started in 2005, and the start of commercial operation was planned for 2010. This has been pushed back several times only starting regular production in 2023, 18 years after the start of construction.
648:. However, in 2009, Siemens sold its one-third share of Areva NP to Areva, which became the main contractor. Siemens remained on the project as the subcontractor with the main responsibility for constructing the
2752:
2784:
2659:
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which would pave the way for a new wave of identical reactors across Europe that were safe, affordable, and delivered on time. The delays and cost overruns have had knock-on effects in other countries.
1354:
In June 2015, TVO decided not to apply for a construction permit for the Olkiluoto 4 unit because of delays with unit 3, however saying they are prepared to file for a new decision-in-principle later.
1351:
stated that the rejection didn't spell the end for the OL4 project, and that TVO would have the opportunity to apply for a construction license before the decision-in-principle expires in June 2015.
4122:
3958:
4794:
2430:
4603:
3539:
4312:
4152:
1584:
4456:
2274:
1553:
1444:
A sign near the Olkiluoto nuclear power plant says: "NUCLEAR POWER PLANT AREA. Moving and staying in the area without a proper permit is prohibited under threat of a fine. (Police Act § 52)"
745:
was responsible for the construction management. Many experienced subcontractors had left the business, and Areva had to find new subcontractors and to coach them in nuclear manufacturing.
3871:
2134:"The Environmental Impact Assessment (EIA) program for the possible extension of the operational lifespan and power increase of Olkiluoto 1 and Olkiluoto 2 plant units has been completed"
777:
Construction of the turbine succeeded better under the responsibility of Siemens. Installations of the main turbine equipment were completed about one year behind the original schedule.
4238:
4290:
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2827:
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845:
because "instructions have not been observed in the welding of pipes and the supervision of welding." STUK has also noted that there have been delays in submitting proper paperwork.
632:
to construct a new nuclear reactor, making Finland the first Western European country in 15 years to order one. The construction of the unit began in 2005. Olkiluoto 3 was the first
4804:
4705:
European Pressurised Reactor at Olkiluoto 3, Finland – Brief Interim Review of the Porosity and Durability Properties of the In Situ Cast Concrete at the Olkiluoto EPR Construction
2217:
3292:
3919:
3643:
3569:
1343:
In September 2014, with unit 3 still unfinished, the Finnish government rejected TVO's request for time extension of the unit 4 decision-in-principle. Economic Affairs Minister
3348:
2333:
805:
reactor would be about €8.5 billion, well over the previous estimate of €6.4 billion. Because of the delays, TVO and Areva both sought compensation from each other through the
3048:
4508:
4367:
3691:
3599:
2607:
4633:
1682:
4096:
2585:
2248:
1939:
1909:
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The large size of the reactor and the application of new technologies brought major challenges. Some manufacturing technologies had not been used before. For instance, new
4809:
3141:
3751:
2308:
4018:
3233:
3781:
4264:
4070:
2744:
2637:
4659:
4548:
2774:
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1412:, which heats the cooling water (at 13 °C) is utilized for small-scale agriculture before being pumped back to the sea. The power plant hosts the northernmost
748:
The original schedule, four years from construction start to grid connection, was too ambitious for a first-of-a-kind plant that is larger than any earlier reactor.
738:
Many nuclear power plants were constructed in Europe in the 1970s and 1980s. After that there was a long break in the construction, and experienced experts retired.
4819:
4426:
2925:
2719:
2497:
4573:
2951:
3322:
2471:
1757:
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for the final disposal of spent nuclear fuel, the first such repository in the world. It is currently under construction at the Olkiluoto plant by the company
3174:
2374:
4486:
4118:
3950:
531:
4703:
3200:
3111:
1977:
1057:
Areva shutting down construction due to dispute over compensations and unfinished automation planning. Operation estimated to be delayed until 2018–2020.
4784:
1559:
island, Olkiluoto 3 (OL3), which will have a nameplate capacity of 1,600MWe and will be capable of meeting about 14% of the country's electricity demand.
3841:
3531:
570:
4144:
1576:
557:
In 2023, TVO announced it is considering seeking another license extension of at least 10 years and a power uprate of 80 MW to 970 MW. The
4448:
1469:, which means that it was an exceptional event with no safety significance. The reactor was restarted on 19 December, nine days after the incident.
2270:
1545:
93:
4789:
3465:
3863:
3811:
4691:
4607:
3621:
1462:
684:
671:
427:
4230:
1845:
1041:
Areva estimates that the full cost of building the reactor will be about €8.5 billion, or almost three times the delivery price of €3 billion
2865:
1347:
referred to the long delay of the 3rd reactor and to unsatisfactory assurances by TVO that the 4th unit would ever be built. Nevertheless PM
820:
around €5.5 billion. Areva had accumulated losses of €5.5 billion. The total cost of the project, therefore, is estimated to be €11 billion.
4286:
3411:
1465:. There was no radioactive release to the environment, and the workers were not exposed to radiation. The event was categorized as 0 on the
1218:
Areva announces new schedule: fuel loading in March 2021, connection to power grid in October 2021, commercial production in February 2022.
4182:
3669:
3494:
2831:
1519:
1371:
3490:
1881:
4714:
4512:
2209:
828:
reactor alone is estimated at 49 €/MWh, as OL1-2 had a production cost of app. 18 €/MWh during 2016-2020, prior to OL3 entering service.
3284:
1943:
1913:
1488:
741:
Areva did not have experience in construction of nuclear power plants. In all the earlier projects in which Areva supplied the reactor,
3717:
3561:
4604:"The unit 2 at Olkiluoto will be shut down to a cold state so that the cause of the fault can be determined – the situation is stable"
806:
3344:
2341:
1635:
719:
The delays have been due to various problems with planning, supervision, and workmanship, and have been the subject of an inquiry by
3040:
1611:
1466:
861:, wages have been unpaid, employees have been told not to join a union and that employers also reneged on social security payments.
3591:
41:
4092:
2887:
2581:
2244:
2107:
3743:
2297:
1483:
781:
558:
3225:
1999:
550:
electrical switchgear and seawater pumps. The upgrades increased the net electrical output by 20 MW to 880 MW each.
3773:
3512:
1947:
1917:
1790:
1074:
The operational automation systems began to be delivered and installed. Commercial operation is estimated for December 2018.
4260:
4066:
3440:
3133:
2187:
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1251:
TVO applied for and was granted permission for startup, with production of electricity revised to start late January 2022.
4010:
3639:
1493:
664:
535:
4730:
4540:
2689:
1712:
1279:
Foreign material found in the turbine steam reheater, and the plant was shut down for about three months of repair work.
4393:
1049:
TVO said that it is "preparing for the possibility" that the third unit at Olkiluoto may not start operating until 2016
4418:
2917:
2715:
2493:
1186:
TVO indicated that the January 2020 deadline for production is expected to be pushed back by two months due to delays.
3441:"Finnish Nuclear Producer Teollisuuden Voima Upgraded To 'BBB-' From 'BB+' On OL3 Plant Commissioning; Outlook Stable"
789:
605:
475:
2955:
742:
653:
3314:
1749:
2463:
1381:
837:
3166:
2660:"TVO – The investigation is still ongoing regarding the damages in the internals of Olkiluoto 3's feedwater pumps"
2366:
4768:
4422:
4014:
3777:
3747:
3044:
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2213:
1753:
1333:
597:
252:
4478:
4342:
4208:
3196:
3103:
1969:
1505:
3013:
1210:
Areva announces new schedule: connection to power grid in November 2020, commercial production in March 2021.
3833:
3625:
2396:
4716:
Reactor at Olkiluoto 3, Finland – Review of the Finnish Radiation Nuclear Safety Authority (STUK) Assessment
4707:
Reactor at Olkiluoto 3, Finland – Review of the Finnish Radiation Nuclear Safety Authority (STUK) Assessment
3345:"Le Monde: Areva to pay hundreds of millions in compensation for delayed OL3 Nuclear Power Plant in Finland"
3262:
2857:
2828:"Licensing of Olkiluoto 3: Preliminary safety assessment on the application for a fifth nuclear power plant"
2559:
609:
1102:
to take financial responsibility for the completion of the project because its project partner, the French
3897:
3381:
2984:
2085:
2055:
1655:
1327:
Final disposal capsule for waste nuclear fuel as shown at the Olkiluoto Nuclear Power Plant Visitor Centre
849:
770:
and some reactor internal parts, had to be re-manufactured once or twice to achieve the specified quality.
594:
4044:
3988:
2159:
1819:
1337:
716:
technical problems found in the testing, and delivery time of spare parts to replace faulty components.
633:
590:
527:
510:
502:
369:
256:
247:
166:
3665:
842:
720:
1170:
STUK issued a statement stating that the power plant is safe and can be granted an operating license.
3803:
2304:
2172:
The OL3 reactor pressure vessel was manufactured at Japan Steel Works and Mitsubishi Heavy Industries
2029:
1511:
1409:
1260:
4313:"Fuel loading at OL3, a historical event in many respects, successfully brought to finishing line!"
3010:"Olkiluoto kolmoselle viimein aikataulu: säännöllinen sähköntuotanto alkaa helmikuussa vuonna 2022"
1841:
1500:
1421:
543:
471:
3981:"Plant supplier informs that regular electricity production of Olkiluoto 3 EPR starts in May 2019"
1162:
The completion is delayed to January 2020 due to commissioning tests taking longer than expected.
4722:
4577:
3404:
3377:
2524:
2404:
2081:
1877:
1580:
1454:
1393:
734:
In 2010, Jukka Laaksonen, Director General of STUK at that time, analyzed reasons for the delay:
660:
636:
to have begun construction. At the start of construction, the main contractor was Areva NP (now
629:
625:
479:
376:
215:
204:
4511:[The truth about the grapes at Olkiluoto] (in Finnish). 13 February 2013. Archived from
4174:
4119:"Radiation and Nuclear Safety Authority (STUK): Operating licence can be granted to Olkiluoto 3"
4205:"Olkiluodon uudessa ydinvoimalassa jälleen viivästys: Projekti arviolta kuusi viikkoa myöhässä"
3498:
3374:"TVO confirms a settlement agreement signed on OL3 EPR project completion and related disputes"
1870:
958:
Siemens withdraws from the joint venture with Areva, leaving the latter as the main contractor
4814:
3565:
3229:
3074:
2337:
2026:"Olkiluodon ydinvoimalaitoksella modernisointeja, tehonkorotuksia ja tasaista sähköntuotantoa"
652:. Areva later sold its majority stake in Framatome, its nuclear reactor and fuel business, to
601:
3894:"TVO submits OL3 Operating License application to the Ministry of Employment and the Economy"
2298:"The World Nuclear Industry Status Report 2010–2011: Nuclear Power in a Post-Fukushima World"
3258:
459:
451:
680:
turbine steam reheater, and the plant was shut down for about three months of repair work.
2861:
1639:
1632:
1615:
1348:
1014:
824:
773:
TVO's key persons did not have experience from management of a large construction project.
483:
389:
283:
4145:"The Government granted an operating licence to the nuclear power plant unit Olkiluoto 3"
2078:"Finnish Government approves extension of operating licences for OL1 and OL2 plant units"
2003:
1608:
1154:
The completion is delayed to September 2019 due to delays in the hot functional testing.
823:
Between 2013 and 2017 OL1 and OL2 produced between 13,385 GWh and 14,740 GWh per year at
726:
In 2009, Petteri Tiippana, the director of STUK's nuclear power plant division, told the
1546:"Hitachi ABB Power Grids to deploy 90MW battery storage system at Finnish nuclear plant"
1138:
TVO and Areva come to agreement on delays. Areva will pay €450 million in compensation.
4744:
3721:
3535:
2895:
2779:
1344:
491:
399:
4778:
4756:
780:
After the construction of the unit started in 2005, Areva began constructing EPRs in
574:
1323:
763:
techniques were used in the reactor pressure vessel. Many large components, such as
1782:
708:
to the dispute over compensations and unfinished automation planning. According to
649:
3864:"TVO innoissaan: Olkiluodon kolmosreaktorissa alettu testata tärkeää järjestelmää"
3516:
4339:"Olkiluoto kolmonen viivästyy taas – turbiinin huolto kestää odotettua pidempään"
2195:
1473:
production on the following night. The incident had no impact on nuclear safety.
1652:"Olkiluoto 3 starts full electricity production a day early – but 14 years late"
764:
709:
4287:"STUK: The third nuclear reactor of Olkiluoto received the fuel loading permit"
3647:
1440:
1315:
outage lasted 74 days, and the plant resumed electricity production on 16 May.
886:
TVO applies to the Finnish cabinet for a decision-in-principle on the new unit
3953:[Nuclear power: How Siemens could become a nuclear enterprise again].
2608:"Olkiluoto 3:n syöttövesipumppujen sisäosien vaurioiden selvitystyöt jatkuvat"
2520:"The start of OL3 EPR's regular electricity production postponed to September"
1720:
1405:
539:
3692:"Tekniikka & Talous: Siemens voi päästä irti Olkiluodon korvausvastuista"
108:
95:
4751:
2271:"14 years late, Finland's new reactor, Olkiluoto 3, starts generating power"
1620:
637:
366:
81:
3285:"Olkiluoto-kiista kovenee: Areva nosti korvausvaatimuksensa 2,6 miljardiin"
4686:
1332:
the parliament on 1 July 2010. If constructed, the fourth unit would be a
4634:"The Olkiluoto 2 plant unit was reconnected to the Finnish national grid"
4449:"Stubb: Nuclear reactor project still possible despite cabinet rejection"
2807:"Finnish nuclear plant throttles production as electricity price plunges"
2555:
1683:"TVO confirms acceptance of Olkiluoto 3 EPR and start of warranty period"
1515:, a 2010 documentary about the construction of a Finnish waste depository
1425:
1413:
815:
506:
487:
382:
77:
17:
3532:"Finnish plant demonstrates nuclear power industry's perennial problems"
1025:
installation of heavy components of the primary cooling system complete
436:
2891:
2552:"Long-delayed nuclear reactor approved to exceed 60% energy production"
1716:
1416:
in the world, a 0.1 ha experimental plot that yields 850 kg Zilga
1099:
767:
760:
670:
On 8 December 2021, the company submitted its application to Finland's
645:
467:
67:
490:
in western Finland, about 20 kilometres (12 mi) from the town of
4368:"The Olkiluoto 3 EPR plant unit's electricity production has started"
3592:"Paper: Workers at Olkiluoto forced to pay protection money to mafia"
1429:
1417:
1389:
1385:
1090:
TVO submits operating license application to the Finnish government
785:
530:, each producing 890 MW of electricity. The main contractor was
4660:"TVO - Electricity production at Olkiluoto 3 will resume next night"
4338:
4204:
3951:"Kernenergie: Wie Siemens doch wieder zum Atomkonzern werden könnte"
3009:
1362:
1178:
The Finnish Government granted an operating license to the reactor.
1006:
installation of the reactor pressure vessel in the reactor building
4526:
2002:. Nuclear Engineering International. 9 January 2012. Archived from
417:
4231:"Olkiluoto 3 nuke delayed yet again, now 12 years behind schedule"
4175:"UPDATE 2-Fresh setback for Finland's delayed Olkiluoto 3 reactor"
2408:
2191:
1458:
1439:
1361:
1322:
1103:
858:
793:
676:
641:
580:
569:
273:
2551:
934:
lifting and installation of the bottom part of containment liner
3515:. Nuclear Engineering International. 11 May 2009. Archived from
2464:"STUK has granted permission to start the OL3 reactor – stuk-en"
2052:"The third best production year ever for Olkiluoto 2 plant unit"
1523:, a 2013 documentary about the urgent need for safe depositories
495:
360:
268:
3893:
3373:
2980:
2806:
2077:
2051:
1651:
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delay in start of production to no earlier than 2015 announced
482:(TVO), and is located on Olkiluoto Island, on the shore of the
4544:
4482:
4452:
4067:"Olkiluoto EPR prepares for fuel loading – World Nuclear News"
4040:
3980:
3867:
3837:
3807:
3595:
3562:"TVO: Arevalta vaadittu suomalaisten sopimusten noudattamista"
3318:
3288:
3078:
2981:"OL3 EPR's regular electricity generation starts in July 2020"
2811:
2155:
1815:
1786:
727:
581:
3718:"Lauvergeon Leaves Areva on 'Good' Track-Record, Besson Says"
2775:"Olkiluoto's third unit started regular production on Sunday"
4698:
3949:
Kläsgen, Michael; Büschemann, Karl-Heinz (25 October 2016).
1295:
The plant began regular electricity production at 02:00 AM.
1234:
Finished loading of all 241 fuel assemblies to the reactor.
910:
TVO submits construction application to the Finnish cabinet
870:
Main milestones of the project and other surrounding events
4541:"Fault at Olkiluoto: Seawater leaks into nuclear condenser"
2745:"Regular electricity production has started at Olkiluoto 3"
1114:
The completion is delayed to May 2019 as announced by TVO.
4574:"More information on the plant disturbance at Olkiluoto 2"
3259:"Areva Again Raises Estimate of Cost of Olkiluoto Reactor"
3134:"EDF warns of added costs of Flamanville EPR weld repairs"
2296:
Schneider, Mycle; Froggatt, Antony; Thomas, Steve (2011).
2025:
942:
reactor building containment liner rises to level +12.5 m
918:
the Finnish cabinet approves the construction application
902:
the Finnish parliament approves the decision-in-principle
3410:. Paris, Budapest: A Mycle Schneider Consulting Project.
2945:
2943:
1816:"TVO will not now apply for construction license for OL4"
1677:
1675:
1673:
2739:
2737:
2582:"Feedwater pump damage delays Finnish EPR commissioning"
2245:"Olkiluoto 3 test production to continue until December"
4800:
Nuclear power stations using pressurized water reactors
3403:
Schneider, Mycle; Froggatt, Antony (1 September 2019).
3226:"Suomenkin uusi ydinvoimala maksaa 8,5 miljardia euroa"
1871:"Nuclear power plant units Olkiluoto 1 and Olkiluoto 2"
1202:
Further delays: updated schedule expected in December.
1194:
Areva delays another 4 months to startup in July 2020.
966:
reactor pressure vessel and vessel head arrive on site
3315:"Claim for Olkiluoto 3 delays explodes to 2.7 billion"
3075:"New UK nuclear stations unlikely to be ready on time"
2718:. Nuclear Engineering International. 25 January 2023.
2692:. Nuclear Engineering International. 1 November 2022.
2210:"Olkiluoto 3 begins instrumentation and control tests"
1082:
Testing of the operational automation systems begins.
494:
and about 50 kilometres (31 mi) from the city of
4728:
3644:
Ministry of Economic Affairs and Employment (Finland)
2888:"Areva-Siemens to cut staff at Olkiluoto 3 site -TVO"
2334:"Siemens to give up nuclear joint venture with Areva"
712:, the estimated opening was delayed until 2018–2020.
3041:"Olkiluoto pipe welding 'deficient', says regulator"
2108:"TVO eyes extended, expanded use of Olkiluoto units"
1706:
1704:
1106:
Group, is being broken up by the French government.
848:
Olkiluoto 3 was supposed to be the first reactor of
554:
2018 and allows the reactors to operate until 2038.
4795:
Nuclear power stations using boiling water reactors
2182:
2180:
1783:"Finland's Olkiluoto 3 nuclear plant delayed again"
1609:
Europe's biggest nuclear reactor reaches full power
1420:annually. Another use is a pond for growing crabs,
756:
with hold points are made during the manufacturing.
423:
413:
408:
398:
388:
375:
318:
289:
279:
263:
242:
234:
229:
221:
211:
200:
165:
132:
124:
87:
73:
63:
55:
34:
4479:"TVO ei aio hakea rakentamislupaa Olkiluoto 4:lle"
4413:
4411:
4362:
4360:
3920:"How Siemens could become a nuclear company again"
2156:"OL3 Reactor Pressure Vessel Arrived in Olkiluoto"
1713:"Finnish parliament agrees plans for two reactors"
974:main control room lifting in Safeguard Building 2
4699:Radiation and Nuclear Safety Authority in Finland
3368:
3366:
3253:
3251:
3068:
3066:
3035:
3033:
3031:
2361:
2359:
1865:
1863:
1810:
1808:
1271:Electricity production started on 12 March 2022.
1226:STUK grants fuel loading permit for the reactor.
3834:"Projektijohtaja: OL3 aikataulu TVO:n hanskassa"
3491:"The Myth of the European "Nuclear Renaissance""
3220:
3218:
2851:
2849:
2431:"TVO Requests Permission To Fire Up Olkiluoto 3"
1777:
1775:
1744:
1742:
1740:
1738:
1571:
1569:
1567:
4568:
4566:
4261:"Further delay in commissioning of Finnish EPR"
3405:"The World Nuclear Industry Status Report 2019"
2239:
2237:
2235:
1633:EPR development. An evolutionary design process
1340:with a power output of 1,000 to 1,800 MW.
4093:"Start-up of Finnish EPR put back four months"
2634:"Cracks found in all four OL3 feedwater pumps"
1577:"Olkiluoto 3 at full power for the first time"
1287:The reactor achieved its design output power.
4805:Nuclear power stations with proposed reactors
3428:cost in 2003 of "around € 3 billion". (p. 66)
2858:"Areva's atomic reactor faces further delays"
1904:
1902:
1388:, owned by the nuclear power plant operators
894:decision-in-principle by the Finnish cabinet
8:
3744:"TVO prepares for further Olkiluoto 3 delay"
3466:"TVO Credit Investor Presentation June-2021"
982:polar crane installation, dome installation
4149:Ministry of Economic Affairs and Employment
4011:"Hot functional tests begin at Finnish EPR"
3097:
3095:
3004:
3002:
1604:
1602:
4041:"Fuel for Olkiluoto 3 EPR is in Olkiluoto"
2690:"Investigation of damage continues at OL3"
2494:"Grid connection of Finnish EPR postponed"
600:. It has a nameplate capacity of 1600 MW.
577:visit to Olkiluoto NPP on 26 November 2020
31:
4810:Nuclear power stations using EPR reactors
3774:"Olkiluoto 3 startup pushed back to 2018"
2954:(in Finnish). Kauppalehti. Archived from
2716:"New impellers for OL3's feedwater pumps"
4636:. Teollisuuden Voima. 20 December 2020.
3104:"Lessons Learned from Olkiluoto 3 Plant"
2000:"2011 sees record outage at Olkiluoto 2"
868:
27:Nuclear power plant in Eurajoki, Finland
4735:
2636:. World Nuclear News. 28 October 2022.
2584:. World Nuclear News. 19 October 2022.
2496:. World Nuclear News. 27 January 2022.
1539:
1537:
1533:
428:Related media on Commons
4608:Radiation and Nuclear Safety Authority
4263:. World Nuclear News. 28 August 2020.
3804:"Olkiluodon työmaalla jälleen vipinää"
3167:"New delay in start-up of Finnish EPR"
2088:from the original on 20 September 2018
1587:from the original on 30 September 2022
1463:Radiation and Nuclear Safety Authority
1303:The plant began commercial operation.
685:Radiation and Nuclear Safety Authority
672:Radiation and Nuclear Safety Authority
538:. Turbine generators were supplied by
4820:Buildings and structures in Satakunta
4640:from the original on 20 December 2020
4614:from the original on 12 December 2020
4584:from the original on 13 December 2020
4429:from the original on 21 February 2008
4419:"Environmental study for Olkiluoto 4"
4394:"Olkiluoto 3 annual outage completed"
4241:from the original on 23 February 2020
4047:from the original on 12 February 2018
3784:from the original on 4 September 2014
3602:from the original on 13 November 2013
3417:from the original on 15 December 2019
3236:from the original on 15 December 2012
3177:from the original on 29 November 2018
3161:
3159:
3114:from the original on 22 November 2019
3102:Laaksonen, Jukka (1 September 2010).
2975:
2973:
2952:"Areva ajaa Olkiluodon työmaata alas"
2928:from the original on 28 February 2014
2830:. STUK. 27 April 2009. Archived from
2670:from the original on 21 November 2022
2562:from the original on 6 September 2022
2474:from the original on 16 December 2021
2458:
2456:
478:. The plant is owned and operated by
46:Olkiluoto Nuclear Power Plant in 2015
7:
4211:from the original on 9 November 2019
4125:from the original on 3 November 2020
4095:. World Nuclear News. 14 June 2018.
3991:from the original on 10 October 2017
3961:from the original on 1 November 2016
3930:from the original on 1 November 2016
3926:. Berlin, Germany. 26 October 2016.
3874:from the original on 1 February 2016
3844:from the original on 1 February 2016
3814:from the original on 1 February 2016
3495:Physicians for Social Responsibility
3325:from the original on 17 January 2014
3295:from the original on 3 December 2013
3144:from the original on 9 December 2019
3051:from the original on 20 October 2012
2918:"Finnish EPR passes integrity tests"
2722:from the original on 29 January 2023
2696:from the original on 8 November 2022
2640:from the original on 31 October 2022
2614:from the original on 3 November 2022
2588:from the original on 23 October 2022
2500:from the original on 29 January 2022
2441:from the original on 8 December 2021
2247:. World Nuclear News. 16 June 2022.
2058:from the original on 2 February 2020
1980:from the original on 27 October 2018
1760:from the original on 24 October 2017
1520:Journey to the Safest Place on Earth
1378:Onkalo spent nuclear fuel repository
1372:Onkalo spent nuclear fuel repository
1358:Onkalo spent nuclear fuel repository
1017:leaves her position as CEO of Areva
505:(BWRs), each with a capacity of 890
501:The Olkiluoto plant consists of two
4527:"a dead link with an unknown title"
4509:"Totuus Olkiluodon viinirypäleistä"
4345:from the original on 21 August 2021
4267:from the original on 29 August 2020
3073:Jones, Meirion (25 November 2009).
3016:from the original on 16 August 2022
3012:(in Finnish). Yle. 28 August 2020.
2194:. 27 September 2007. Archived from
2188:"Chronology of Olkiluoto 3 project"
2162:from the original on 29 August 2013
2032:from the original on 8 January 2018
1944:International Nuclear Safety Center
1914:International Nuclear Safety Center
1556:from the original on 16 June 2021.
1489:List of nuclear reactors in Finland
4723:Status of Nuclear Power in Finland
4489:from the original on 24 April 2016
4374:from the original on 12 March 2022
4319:from the original on 16 April 2021
4293:from the original on 26 March 2021
3900:from the original on 13 March 2018
3572:from the original on 16 March 2013
3384:from the original on 11 March 2018
3351:from the original on 12 March 2018
3347:. Metropolitan.fi. 10 March 2018.
2894:. 10 December 2013. Archived from
2868:from the original on 21 April 2023
2787:from the original on 17 April 2023
2755:from the original on 16 April 2023
2532:from the original on 29 April 2022
2377:from the original on 8 August 2012
2277:from the original on 17 April 2023
1887:from the original on 26 March 2017
1848:from the original on 16 April 2023
1822:from the original on 24 March 2016
1658:from the original on 16 April 2023
950:fuel building APC shell completed
807:International Court of Arbitration
752:controlled manner two years later.
25:
4785:Nuclear power stations in Finland
4551:from the original on 7 March 2016
4459:from the original on 18 June 2018
4185:from the original on 18 June 2019
4155:from the original on 8 March 2019
4099:from the original on 3 April 2019
4073:from the original on 12 June 2018
3754:from the original on 1 March 2014
3698:from the original on 24 June 2018
3646:. 26 January 2012. Archived from
3640:"Nuclear power plant Olkiluoto 3"
3542:from the original on 23 July 2012
3203:from the original on 30 June 2020
2987:from the original on 17 July 2019
2950:Paula Nikula (28 February 2014).
2340:. 27 January 2009. Archived from
2251:from the original on 16 June 2022
2220:from the original on 11 June 2016
1793:from the original on 23 July 2012
1750:"Olkiluoto 3 delayed beyond 2014"
1130:Fuel for the reactor is on site.
171:Unit 1: 10 October 1979
145:Unit 2: 1 November 1975
136:Unit 1: 1 February 1974
4762:
4750:
4738:
4685:
3530:Katz, Alan (11 September 2007).
2401:Power Reactor Information System
2367:"Siemens quits the nuclear game"
2314:from the original on 2 June 2019
1974:Power Reactor Information System
1544:Colthorpe, Andy (16 June 2021).
1146:Hot functional tests completed.
990:steam generators arrive on site
608:manufactured the unit's 526-ton
230:Nuclear power station
154:Unit 3: 12 August 2005
40:
4021:from the original on 4 May 2018
3668:. 27 April 2009. Archived from
1818:(Press release). 24 June 2015.
1711:Kinnunen, Terhi (1 July 2010).
1484:Flamanville Nuclear Power Plant
1122:Hot functional testing begins.
559:environmental impact assessment
536:Westinghouse Electric Sweden AB
474:, the other being the two-unit
189:Unit 3: 16 April 2023
4790:Radioactive waste repositories
3957:(in German). Munich, Germany.
2856:Boxell, James (16 July 2012).
526:Units 1 and 2 consists of two
180:Unit 2: 10 July 1982
1:
4692:Olkiluoto Nuclear Power Plant
3497:. 20 May 2009. Archived from
1494:Hanhikivi Nuclear Power Plant
448:Olkiluoto Nuclear Power Plant
418:Olkiluoto nuclear power plant
35:Olkiluoto Nuclear Power Plant
2397:"OL3 – koko Suomen projekti"
1366:Onkalo pilot repository cave
606:Mitsubishi Heavy Industries
476:Loviisa Nuclear Power Plant
400:Annual net output
344:1 × 1,600 MW
302:1 × 4,300 MW
293:2 × 2,500 MW
4836:
4121:. STUK. 25 February 2019.
3662:"Licensing of Olkiluoto 3"
1408:, an output common to all
1382:deep geological repository
1369:
456:Olkiluodon ydinvoimalaitos
59:Olkiluodon ydinvoimalaitos
3513:"Leaked Olkiluoto letter"
1453:reactor core, where they
598:pressurized water reactor
486:, in the municipality of
433:
335:2 × 890 MW
327:
323:
51:
39:
4043:. TVO. 8 February 2018.
3924:Clean Energy Wire (CLEW)
3197:"PRIS – Reactor Details"
1506:Nuclear power in Finland
667:was scheduled for 2022.
356:Make and model
4341:. Yle. 20 August 2021.
4289:. STUK. 26 March 2021.
3624:. Areva. Archived from
3622:"OLKILUOTO 3 – FINLAND"
3263:The Wall Street Journal
2158:. TVO. 4 January 2009.
2054:. TVO. 2 January 2019.
2028:. TVO. 3 January 2018.
1638:4 December 2016 at the
857:protection fees to the
683:In September 2022, the
628:gave its permission to
610:reactor pressure vessel
464:Olkiluoto kärnkraftverk
404:14,400 GW·h (2021)
377:Nameplate capacity
311:Combined: 9,300 MW
133:Construction began
4370:. TVO. 12 March 2022.
4315:. TVO. 16 April 2021.
3896:. TVO. 14 April 2016.
1445:
1367:
1328:
926:start of construction
640:), a joint venture of
624:In February 2005, the
586:
578:
503:boiling water reactors
463:
455:
332:Units operational
205:Teollisuuden Voima Oyj
4718:, R3123-A2, July 2005
4709:, R3123-A2, July 2005
4694:at Wikimedia Commons
4455:. 25 September 2014.
2983:. TVO. 17 July 2019.
2373:. 19 September 2011.
2198:on 27 September 2007.
2136:. TVO. 9 January 2024
2084:. 20 September 2018.
1614:15 April 2023 at the
1583:. 30 September 2022.
1443:
1365:
1326:
1263:on 21 December 2021.
1259:The reactor achieved
743:Électricité de France
654:Électricité de France
584:
573:
319:Power generation
290:Thermal capacity
264:Reactor supplier
109:61.23694°N 21.44083°E
4610:. 10 December 2020.
4580:. 13 December 2020.
4515:on 13 February 2013.
4425:. 15 February 2008.
4237:. 20 December 2019.
4017:. 19 December 2017.
3840:. 14 December 2015.
3780:. 1 September 2014.
3750:. 11 February 2013.
3232:. 13 December 2012.
3173:. 29 November 2018.
2924:. 17 February 2014.
2558:. 6 September 2022.
2411:on 19 September 2012
2305:Worldwatch Institute
1529:Notes and references
1410:thermal power plants
472:nuclear power plants
390:Capacity factor
167:Commission date
4207:. 8 November 2019.
3955:Süddeutsche Zeitung
3870:. 13 January 2016.
3810:. 4 December 2015.
3694:. 27 January 2009.
3672:on 26 February 2012
3628:on 18 January 2017.
3321:. 4 December 2013.
3291:. 29 October 2013.
3047:. 16 October 2009.
2834:on 26 February 2012
2610:(in Finnish). TVO.
2437:. 8 December 2021.
2216:. 14 January 2016.
2006:on 4 September 2012
1550:Energy Storage News
1501:Nuclear engineering
998:EPR dome installed
871:
695:Construction delays
585:Olkiluoto 3 in 2009
409:External links
280:Cooling source
105: /
82:Region of Satakunta
4769:Nuclear technology
4578:Teollisuuden Voima
4423:World Nuclear News
4396:. TVO. 16 May 2024
4015:World Nuclear News
3987:. 9 October 2017.
3778:World Nuclear News
3748:World Nuclear News
3598:. 5 October 2012.
3265:. 13 December 2012
3171:World Nuclear News
3140:. 9 October 2019.
3138:World Nuclear News
3045:World Nuclear News
2922:World Nuclear News
2898:on 1 February 2014
2371:World Nuclear News
2344:on 20 October 2012
2214:World Nuclear News
2112:World Nuclear News
1950:on 3 December 2017
1920:on 3 December 2017
1878:Teollisuuden Voima
1754:World Nuclear News
1455:became radioactive
1446:
1368:
1329:
1284:30 September 2022
869:
626:Finnish government
587:
579:
480:Teollisuuden Voima
114:61.23694; 21.44083
4690:Media related to
4547:. 14 April 2014.
4181:. 10 April 2019.
3566:Helsingin Sanomat
3380:. 11 March 2018.
3230:Helsingin Sanomat
3108:Power Engineering
2783:. 17 April 2023.
2751:. 16 April 2023.
2528:. 29 April 2022.
2338:Helsingin Sanomat
2273:. 18 April 2023.
2114:. 10 October 2023
1654:. 15 April 2023.
1307:
1306:
915:17 February 2005
602:Japan Steel Works
444:
443:
243:Reactor type
16:(Redirected from
4827:
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4743:
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4494:
4485:. 24 June 2015.
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4160:
4151:. 7 March 2019.
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3708:
3707:
3705:
3703:
3688:
3682:
3681:
3679:
3677:
3658:
3652:
3651:
3650:on 4 March 2016.
3636:
3630:
3629:
3618:
3612:
3611:
3609:
3607:
3588:
3582:
3581:
3579:
3577:
3558:
3552:
3551:
3549:
3547:
3527:
3521:
3520:
3519:on 13 June 2011.
3509:
3503:
3502:
3501:on 28 July 2013.
3487:
3481:
3480:
3478:
3476:
3470:
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2479:
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2451:
2450:
2448:
2446:
2427:
2421:
2420:
2418:
2416:
2407:. Archived from
2393:
2387:
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2384:
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2130:
2124:
2123:
2121:
2119:
2104:
2098:
2097:
2095:
2093:
2074:
2068:
2067:
2065:
2063:
2048:
2042:
2041:
2039:
2037:
2022:
2016:
2015:
2013:
2011:
1996:
1990:
1989:
1987:
1985:
1966:
1960:
1959:
1957:
1955:
1946:. Archived from
1936:
1930:
1929:
1927:
1925:
1916:. Archived from
1906:
1897:
1896:
1894:
1892:
1886:
1880:. January 2008.
1875:
1867:
1858:
1857:
1855:
1853:
1838:
1832:
1831:
1829:
1827:
1812:
1803:
1802:
1800:
1798:
1789:. 16 July 2012.
1779:
1770:
1769:
1767:
1765:
1756:. 17 July 2012.
1746:
1733:
1732:
1730:
1728:
1719:. Archived from
1708:
1699:
1698:
1696:
1694:
1679:
1668:
1667:
1665:
1663:
1648:
1642:
1630:
1624:
1606:
1597:
1596:
1594:
1592:
1573:
1562:
1561:
1541:
891:17 January 2002
872:
865:Project timeline
825:capacity factors
595:third generation
534:, now a part of
437:edit on Wikidata
196:
194:
187:
185:
178:
176:
161:
159:
152:
150:
143:
141:
120:
119:
117:
116:
115:
110:
106:
103:
102:
101:
98:
44:
32:
21:
4835:
4834:
4830:
4829:
4828:
4826:
4825:
4824:
4775:
4774:
4773:
4763:
4761:
4749:
4739:
4737:
4729:
4683:
4678:
4668:
4666:
4658:
4657:
4653:
4643:
4641:
4632:
4631:
4627:
4617:
4615:
4602:
4601:
4597:
4587:
4585:
4572:
4571:
4564:
4554:
4552:
4539:
4538:
4534:
4525:
4524:
4520:
4507:
4506:
4502:
4492:
4490:
4477:
4476:
4472:
4462:
4460:
4447:
4446:
4442:
4432:
4430:
4417:
4416:
4409:
4399:
4397:
4392:
4391:
4387:
4377:
4375:
4366:
4365:
4358:
4348:
4346:
4337:
4336:
4332:
4322:
4320:
4311:
4310:
4306:
4296:
4294:
4285:
4284:
4280:
4270:
4268:
4259:
4258:
4254:
4244:
4242:
4229:
4228:
4224:
4214:
4212:
4203:
4202:
4198:
4188:
4186:
4173:
4172:
4168:
4158:
4156:
4143:
4142:
4138:
4128:
4126:
4117:
4116:
4112:
4102:
4100:
4091:
4090:
4086:
4076:
4074:
4065:
4064:
4060:
4050:
4048:
4039:
4038:
4034:
4024:
4022:
4009:
4008:
4004:
3994:
3992:
3979:
3978:
3974:
3964:
3962:
3948:
3947:
3943:
3933:
3931:
3918:
3917:
3913:
3903:
3901:
3892:
3891:
3887:
3877:
3875:
3862:
3861:
3857:
3847:
3845:
3832:
3831:
3827:
3817:
3815:
3802:
3801:
3797:
3787:
3785:
3772:
3771:
3767:
3757:
3755:
3742:
3741:
3737:
3727:
3725:
3716:
3715:
3711:
3701:
3699:
3690:
3689:
3685:
3675:
3673:
3660:
3659:
3655:
3638:
3637:
3633:
3620:
3619:
3615:
3605:
3603:
3590:
3589:
3585:
3575:
3573:
3568:. 10 May 2012.
3560:
3559:
3555:
3545:
3543:
3529:
3528:
3524:
3511:
3510:
3506:
3489:
3488:
3484:
3474:
3472:
3468:
3464:
3463:
3459:
3449:
3447:
3439:
3438:
3434:
3420:
3418:
3414:
3407:
3402:
3401:
3397:
3387:
3385:
3372:
3371:
3364:
3354:
3352:
3343:
3342:
3338:
3328:
3326:
3313:
3312:
3308:
3298:
3296:
3283:
3282:
3278:
3268:
3266:
3257:
3256:
3249:
3239:
3237:
3224:
3223:
3216:
3206:
3204:
3195:
3194:
3190:
3180:
3178:
3165:
3164:
3157:
3147:
3145:
3132:
3131:
3127:
3117:
3115:
3101:
3100:
3093:
3083:
3081:
3072:
3071:
3064:
3054:
3052:
3039:
3038:
3029:
3019:
3017:
3008:
3007:
3000:
2990:
2988:
2979:
2978:
2971:
2961:
2959:
2958:on 4 March 2014
2949:
2948:
2941:
2931:
2929:
2916:
2915:
2911:
2901:
2899:
2886:
2885:
2881:
2871:
2869:
2862:Financial Times
2855:
2854:
2847:
2837:
2835:
2826:
2825:
2821:
2805:
2804:
2800:
2790:
2788:
2773:
2772:
2768:
2758:
2756:
2743:
2742:
2735:
2725:
2723:
2714:
2713:
2709:
2699:
2697:
2688:
2687:
2683:
2673:
2671:
2658:
2657:
2653:
2643:
2641:
2632:
2631:
2627:
2617:
2615:
2606:
2605:
2601:
2591:
2589:
2580:
2579:
2575:
2565:
2563:
2550:
2549:
2545:
2535:
2533:
2518:
2517:
2513:
2503:
2501:
2492:
2491:
2487:
2477:
2475:
2462:
2461:
2454:
2444:
2442:
2429:
2428:
2424:
2414:
2412:
2395:
2394:
2390:
2380:
2378:
2365:
2364:
2357:
2347:
2345:
2332:
2331:
2327:
2317:
2315:
2311:
2300:
2295:
2294:
2290:
2280:
2278:
2269:
2268:
2264:
2254:
2252:
2243:
2242:
2233:
2223:
2221:
2208:
2207:
2203:
2186:
2185:
2178:
2165:
2163:
2154:
2153:
2149:
2139:
2137:
2132:
2131:
2127:
2117:
2115:
2106:
2105:
2101:
2091:
2089:
2076:
2075:
2071:
2061:
2059:
2050:
2049:
2045:
2035:
2033:
2024:
2023:
2019:
2009:
2007:
1998:
1997:
1993:
1983:
1981:
1968:
1967:
1963:
1953:
1951:
1938:
1937:
1933:
1923:
1921:
1908:
1907:
1900:
1890:
1888:
1884:
1873:
1869:
1868:
1861:
1851:
1849:
1840:
1839:
1835:
1825:
1823:
1814:
1813:
1806:
1796:
1794:
1781:
1780:
1773:
1763:
1761:
1748:
1747:
1736:
1726:
1724:
1723:on 3 March 2016
1710:
1709:
1702:
1692:
1690:
1689:. 20 April 2023
1681:
1680:
1671:
1661:
1659:
1650:
1649:
1645:
1640:Wayback Machine
1631:
1627:
1616:Wayback Machine
1607:
1600:
1590:
1588:
1575:
1574:
1565:
1543:
1542:
1535:
1531:
1526:
1479:
1438:
1402:
1374:
1360:
1321:
1312:
1062:September 2014
1015:Anne Lauvergeon
995:September 2009
907:8 January 2004
867:
834:
802:
697:
665:battery storage
622:
568:
524:
484:Gulf of Bothnia
440:
364:
347:
343:
338:
314:
309:
305:
300:
296:
284:Gulf of Bothnia
271:
250:
192:
190:
188:
183:
181:
179:
174:
172:
157:
155:
153:
148:
146:
144:
139:
137:
113:
111:
107:
104:
99:
96:
94:
92:
91:
47:
28:
23:
22:
15:
12:
11:
5:
4833:
4831:
4823:
4822:
4817:
4812:
4807:
4802:
4797:
4792:
4787:
4777:
4776:
4772:
4771:
4759:
4747:
4727:
4726:
4720:
4712:
4701:
4682:
4681:External links
4679:
4677:
4676:
4651:
4625:
4595:
4562:
4532:
4518:
4500:
4470:
4440:
4407:
4385:
4356:
4330:
4304:
4278:
4252:
4222:
4196:
4166:
4136:
4110:
4084:
4058:
4032:
4002:
3972:
3941:
3911:
3885:
3855:
3825:
3795:
3765:
3735:
3724:. 18 June 2011
3709:
3683:
3653:
3631:
3613:
3583:
3553:
3522:
3504:
3482:
3457:
3432:
3395:
3362:
3336:
3306:
3276:
3247:
3214:
3188:
3155:
3125:
3091:
3062:
3027:
2998:
2969:
2939:
2909:
2879:
2845:
2819:
2816:. 17 May 2023.
2798:
2780:Helsinki Times
2766:
2733:
2707:
2681:
2651:
2625:
2599:
2573:
2543:
2511:
2485:
2452:
2435:Nuclear Street
2422:
2388:
2355:
2325:
2307:. p. 60.
2288:
2262:
2231:
2201:
2176:
2147:
2125:
2099:
2069:
2043:
2017:
1991:
1961:
1931:
1898:
1859:
1833:
1804:
1771:
1734:
1700:
1669:
1643:
1625:
1598:
1563:
1532:
1530:
1527:
1525:
1524:
1516:
1508:
1503:
1498:
1497:
1496:
1486:
1480:
1478:
1475:
1437:
1434:
1401:
1398:
1370:Main article:
1359:
1356:
1345:Jan Vapaavuori
1320:
1317:
1311:
1308:
1305:
1304:
1301:
1297:
1296:
1293:
1292:16 April 2023
1289:
1288:
1285:
1281:
1280:
1277:
1273:
1272:
1269:
1265:
1264:
1257:
1256:December 2021
1253:
1252:
1249:
1248:December 2021
1245:
1244:
1240:
1236:
1235:
1232:
1228:
1227:
1224:
1220:
1219:
1216:
1212:
1211:
1208:
1207:December 2019
1204:
1203:
1200:
1199:November 2019
1196:
1195:
1192:
1188:
1187:
1184:
1180:
1179:
1176:
1172:
1171:
1168:
1167:February 2019
1164:
1163:
1160:
1159:November 2018
1156:
1155:
1152:
1148:
1147:
1144:
1140:
1139:
1136:
1132:
1131:
1128:
1127:February 2018
1124:
1123:
1120:
1119:December 2017
1116:
1115:
1112:
1108:
1107:
1096:
1092:
1091:
1088:
1084:
1083:
1080:
1076:
1075:
1072:
1071:December 2015
1068:
1067:
1063:
1059:
1058:
1055:
1054:February 2014
1051:
1050:
1047:
1046:February 2013
1043:
1042:
1039:
1038:December 2012
1035:
1034:
1031:
1027:
1026:
1023:
1022:November 2011
1019:
1018:
1012:
1008:
1007:
1004:
1000:
999:
996:
992:
991:
988:
984:
983:
980:
976:
975:
972:
968:
967:
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960:
959:
956:
952:
951:
948:
944:
943:
940:
936:
935:
932:
928:
927:
924:
920:
919:
916:
912:
911:
908:
904:
903:
900:
896:
895:
892:
888:
887:
884:
883:December 2000
880:
879:
876:
866:
863:
838:Stephen Thomas
833:
830:
801:
798:
775:
774:
771:
757:
753:
749:
746:
739:
696:
693:
621:
618:
567:
564:
523:
520:
442:
441:
434:
431:
430:
425:
421:
420:
415:
411:
410:
406:
405:
402:
396:
395:
392:
386:
385:
379:
373:
372:
363:-III, BWR-2500
357:
353:
352:
345:
336:
333:
329:
328:
325:
324:
321:
320:
316:
315:
312:
303:
294:
291:
287:
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281:
277:
276:
265:
261:
260:
244:
240:
239:
236:
232:
231:
227:
226:
223:
219:
218:
213:
209:
208:
202:
198:
197:
169:
163:
162:
134:
130:
129:
126:
122:
121:
89:
85:
84:
75:
71:
70:
65:
61:
60:
57:
53:
52:
49:
48:
45:
37:
36:
26:
24:
14:
13:
10:
9:
6:
4:
3:
2:
4832:
4821:
4818:
4816:
4813:
4811:
4808:
4806:
4803:
4801:
4798:
4796:
4793:
4791:
4788:
4786:
4783:
4782:
4780:
4770:
4760:
4758:
4753:
4748:
4746:
4736:
4732:
4724:
4721:
4719:
4717:
4713:
4711:
4710:
4706:
4702:
4700:
4697:
4696:
4695:
4693:
4688:
4680:
4665:
4661:
4655:
4652:
4639:
4635:
4629:
4626:
4613:
4609:
4605:
4599:
4596:
4583:
4579:
4575:
4569:
4567:
4563:
4550:
4546:
4542:
4536:
4533:
4528:
4522:
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4504:
4501:
4488:
4484:
4480:
4474:
4471:
4458:
4454:
4450:
4444:
4441:
4428:
4424:
4420:
4414:
4412:
4408:
4395:
4389:
4386:
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4361:
4357:
4344:
4340:
4334:
4331:
4318:
4314:
4308:
4305:
4292:
4288:
4282:
4279:
4266:
4262:
4256:
4253:
4240:
4236:
4232:
4226:
4223:
4210:
4206:
4200:
4197:
4184:
4180:
4176:
4170:
4167:
4154:
4150:
4146:
4140:
4137:
4124:
4120:
4114:
4111:
4098:
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3693:
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3684:
3671:
3667:
3663:
3657:
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3627:
3623:
3617:
3614:
3601:
3597:
3593:
3587:
3584:
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3563:
3557:
3554:
3541:
3537:
3533:
3526:
3523:
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3505:
3500:
3496:
3492:
3486:
3483:
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3399:
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3126:
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3050:
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2999:
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2092:20 September
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2020:
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2004:the original
1994:
1982:. Retrieved
1973:
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1591:30 September
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1451:
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1239:August 2021
1215:August 2020
1143:30 May 2018
987:Autumn 2009
979:Summer 2009
899:24 May 2002
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779:
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706:
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669:
658:
650:turbine hall
623:
614:
593:, a type of
589:Unit 3 is a
588:
556:
552:
548:
525:
516:
500:
466:) is one of
447:
445:
394:92.8% (2021)
349:
340:
306:
301:
297:
269:AB ASEA-ATOM
29:
4644:22 December
4618:14 December
4588:14 December
4463:29 November
4433:21 February
4245:22 December
4235:Yle Uutiset
4215:10 November
4129:25 February
4051:11 February
3788:2 September
3758:27 February
3471:. June 2021
3269:13 December
3240:13 December
3181:29 November
3148:23 November
3118:23 November
2962:28 February
2932:27 February
2674:21 November
2566:6 September
2478:16 December
1400:Agriculture
1300:1 May 2023
1268:March 2022
1261:criticality
1231:April 2021
1223:March 2021
1183:April 2019
1175:March 2019
1135:March 2018
1087:April 2016
782:Flamanville
765:pressurizer
710:Kauppalehti
359:Units 1–2:
341:(Units 1–2)
298:(Units 1–2)
267:Units 1–2:
246:Units 1–2:
225:1000 (2021)
212:Operator(s)
128:Operational
112: /
88:Coordinates
4779:Categories
4664:www.tvo.fi
3965:1 November
3934:1 November
3878:24 January
3848:24 January
3818:24 January
3606:4 December
3576:4 December
3329:18 January
3299:4 December
2902:18 January
2726:30 January
2700:8 November
2664:www.tvo.fi
2644:31 October
2618:3 November
2592:23 October
2504:29 January
2468:Tiedote-en
2445:9 December
2224:2 February
2140:20 January
2118:12 October
2062:2 February
2010:12 January
1467:INES scale
1406:waste heat
1310:Operations
1191:July 2019
1151:June 2018
1030:July 2012
1011:June 2011
1003:June 2010
939:June 2007
923:July 2005
540:Stal-Laval
509:, and one
274:Areva S.A.
193:2023-04-16
184:1982-07-10
175:1979-10-10
158:2005-08-12
149:1975-11-01
140:1974-02-01
100:21°26′27″E
97:61°14′13″N
4349:23 August
4271:28 August
3995:9 October
3728:10 August
3722:Bloomberg
3676:10 August
3546:10 August
3536:Bloomberg
3475:10 August
3450:10 August
3084:10 August
3055:10 August
3020:28 August
2872:10 August
2838:10 August
2415:10 August
2381:10 August
2348:10 August
2036:7 January
1797:10 August
1621:Arab News
1436:Incidents
1422:whitefish
1276:May 2022
971:May 2009
947:May 2008
931:May 2006
836:In 2009,
832:Criticism
788:, and in
691:surplus.
638:Framatome
544:Strömberg
532:ASEA-Atom
367:Framatome
222:Employees
18:Olkiluoto
4815:Eurajoki
4638:Archived
4612:Archived
4582:Archived
4555:16 April
4549:Archived
4493:15 April
4487:Archived
4457:Archived
4427:Archived
4378:12 March
4372:Archived
4343:Archived
4323:16 April
4317:Archived
4297:26 March
4291:Archived
4265:Archived
4239:Archived
4209:Archived
4183:Archived
4153:Archived
4123:Archived
4097:Archived
4071:Archived
4045:Archived
4025:16 April
4019:Archived
3989:Archived
3959:Archived
3928:Archived
3904:13 March
3898:Archived
3872:Archived
3842:Archived
3812:Archived
3782:Archived
3752:Archived
3696:Archived
3600:Archived
3570:Archived
3540:Archived
3421:11 April
3412:Archived
3388:12 March
3382:Archived
3355:12 March
3349:Archived
3323:Archived
3293:Archived
3234:Archived
3207:27 April
3201:Archived
3175:Archived
3142:Archived
3112:Archived
3049:Archived
3014:Archived
2985:Archived
2926:Archived
2866:Archived
2791:17 April
2785:Archived
2759:16 April
2753:Archived
2720:Archived
2694:Archived
2668:Archived
2638:Archived
2612:Archived
2586:Archived
2560:Archived
2556:Yle News
2530:Archived
2498:Archived
2472:Archived
2439:Archived
2375:Archived
2318:16 April
2309:Archived
2281:18 April
2275:Archived
2249:Archived
2218:Archived
2166:21 March
2160:Archived
2086:Archived
2056:Archived
2030:Archived
1984:16 April
1978:Archived
1976:. IAEA.
1954:13 March
1924:13 March
1891:16 April
1882:Archived
1852:16 April
1846:Archived
1826:15 April
1820:Archived
1791:Archived
1758:Archived
1662:16 April
1656:Archived
1636:Archived
1612:Archived
1585:Archived
1554:Archived
1477:See also
1426:sturgeon
1414:vineyard
816:Le Monde
768:forgings
488:Eurajoki
365:Unit 3:
350:(Unit 3)
307:(Unit 3)
272:Unit 3:
251:Unit 3:
235:Reactors
201:Owner(s)
78:Eurajoki
74:Location
4745:Finland
4731:Portals
4189:18 June
4179:Reuters
4159:7 March
4103:15 June
4077:10 June
3702:24 June
2991:17 July
2892:Reuters
2255:17 June
1940:"TVO 2"
1910:"TVO 1"
1844:. TVO.
1764:24 July
1717:Reuters
1100:Siemens
790:Taishan
761:welding
646:Siemens
620:History
470:'s two
468:Finland
460:Swedish
452:Finnish
424:Commons
414:Website
191: (
182: (
173: (
156: (
147: (
138: (
68:Finland
64:Country
4757:Energy
4669:4 June
4400:18 May
2536:12 May
1727:2 July
1430:caviar
1418:grapes
1390:Fortum
1386:Posiva
1319:Unit 4
878:Event
786:France
566:Unit 3
381:3,380
348:(net)
339:(net)
125:Status
3469:(PDF)
3415:(PDF)
3408:(PDF)
2312:(PDF)
2301:(PDF)
2192:Areva
1885:(PDF)
1874:(PDF)
1693:4 May
1459:scram
1380:is a
1349:Stubb
1336:or a
1104:Areva
875:Date
859:mafia
794:China
677:SCRAM
642:Areva
492:Rauma
435:[
207:(TVO)
4671:2024
4646:2020
4620:2020
4590:2020
4557:2018
4495:2016
4465:2018
4435:2008
4402:2024
4380:2022
4351:2021
4325:2021
4299:2021
4273:2020
4247:2019
4217:2019
4191:2019
4161:2019
4131:2019
4105:2018
4079:2018
4053:2018
4027:2018
3997:2017
3967:2016
3936:2016
3906:2018
3880:2016
3850:2016
3820:2016
3790:2014
3760:2014
3730:2012
3704:2018
3678:2012
3666:STUK
3608:2013
3578:2013
3548:2012
3477:2023
3452:2023
3423:2023
3390:2018
3357:2018
3331:2014
3301:2013
3271:2012
3242:2012
3209:2020
3183:2018
3150:2019
3120:2019
3086:2012
3057:2012
3022:2020
2993:2019
2964:2014
2934:2014
2904:2014
2874:2012
2840:2012
2814:News
2793:2023
2761:2023
2728:2023
2702:2022
2676:2022
2646:2022
2620:2022
2594:2022
2568:2022
2538:2022
2506:2022
2480:2021
2447:2021
2417:2012
2383:2012
2350:2012
2320:2018
2283:2023
2257:2022
2226:2016
2168:2013
2142:2024
2120:2023
2094:2018
2064:2020
2038:2018
2012:2012
1986:2023
1956:2011
1926:2011
1893:2018
1854:2023
1828:2016
1799:2012
1766:2012
1729:2010
1695:2023
1664:2023
1593:2022
1428:for
1424:and
1404:The
1392:and
1376:The
843:STUK
800:Cost
721:STUK
644:and
604:and
528:BWRs
496:Pori
446:The
361:ASEA
4545:YLE
4483:YLE
4453:YLE
3985:TVO
3868:YLE
3838:YLE
3808:YLE
3596:YLE
3378:TVO
3319:YLE
3289:YLE
3079:BBC
2812:Yle
2749:TVO
2525:TVO
2405:TVO
2082:TVO
1787:BBC
1687:TVO
1581:TVO
1394:TVO
1338:BWR
1334:PWR
728:BBC
661:TVO
634:EPR
630:TVO
591:EPR
511:EPR
370:EPR
257:EPR
253:PWR
248:BWR
216:TVO
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