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29.4.2026 | -https://stuk.fi/en/-/international-assessment-identified-the-strengths-and-areas-for-development-in-finland-s-nuclear-safety-work
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Nuclear safety STUK supervises nuclear safety in Finland. The license holder is responsible for the safety of nuclear energy use, but STUK sets the safety requirements and oversees their compliance. STUK's supervision includes nuclear facilities, ...https://stuk.fi/en/nuclear-safety
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Reporting on nuclear safety In this section, we report on the regulatory oversight of nuclear safety and security carried out by the Radiation and Nuclear Safety Authority (STUK) and report on the inspections carried out this year. The website als...https://stuk.fi/en/reporting-on-nuclear-safety
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Regulatory oversight of nuclear safety Regulatory oversight of nuclear safety and security is based on the obligations and responsibilities set out in the Nuclear Energy Act (990/1987). The licensee must ensure safety, and STUK confirms through it...https://stuk.fi/en/regulatory-oversight-of-nuclear-safety
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Radiation safety of nuclear facilities Control of radiation safety is a part of the supervision of the operating condition of a nuclear power plant. The objective is to ensure that the total radiation exposure caused by the operation of the nuclea...https://stuk.fi/en/radiation-safety-of-nuclear-facilities
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Renewal of the nuclear safety regulation STUK's nuclear safety regulation is revised. The aim of the renewal is to make the regulations and regulatory guides issued under the Nuclear Energy Act (990/1987) more goal-oriented and risk-conscious and ...https://stuk.fi/en/renewal-of-the-nuclear-safety-regulation
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STUK heading an EU project that improves radiation safety in x-ray imaging | Säteilyturvakeskus STUK
20.5.2026 | -https://stuk.fi/en/-/stuk-heading-an-eu-project-that-improves-radiation-safety-in-x-ray-imaging -
STUK’s supervision ensured the safety of nuclear power plants In 2023, the Radiation and Nuclear Safety Authority (STUK) supervised the safety of the nuclear power plants in operation and ensured that current decrees and regulations were complied ...https://stuk.fi/en/stuk-s-supervision-ensured-the-safety-of-nuclear-power-plants
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Safety assessment of spent nuclear fuel disposal facility continued Posiva Oy is building an encapsulation and final disposal facility for spent nuclear fuel in Olkiluoto. As this facility is a nuclear plant, the Radiation and Nuclear Safety Autho...https://stuk.fi/en/safety-assessment-of-spent-nuclear-fuel-disposal-facility-continued
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Reporting on nuclear safety Inspections at the Olkiluoto nuclear power plant STUK carries out inspections to oversee the operation and use of the Olkiluoto nuclear power plant. The periodic inspection programme covers safety management, main opera...https://stuk.fi/en/inspections-at-the-olkiluoto-nuclear-power-plant
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Reporting on nuclear safety Inspections at the Loviisa nuclear power plant STUK carries out inspections to oversee the operation and use of the Loviisa nuclear power plant. The periodic inspection programme covers safety management, main operation...https://stuk.fi/en/inspections-at-the-loviisa-nuclear-power-plant
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Nuclear weapons A nuclear weapon is a bomb whose destructive power is mainly based on the pressure wave and thermal radiation created by the explosion. Another threat is radiation from both radioactive substances released by the explosion and neut...https://stuk.fi/en/nuclear-weapons
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Nuclear facility operations Regulatory oversight during the operation of the nuclear facility includes continuous safety assessments. By conducting supervision during operation, STUK aims to ensure that the nuclear facilities are and will remain i...https://stuk.fi/en/nuclear-facility-practices
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Nuclear waste management In Finland, nuclear waste is accumulated in the nuclear power plants in Loviisa and Olkiluoto and in the research reactor located in Otaniemi. According to the law, this waste must be managed in Finland, up to and includin...https://stuk.fi/en/nuclear-waste-management
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Nuclear security arrangements Nuclear security arrangements are measures to secure the use of nuclear energy from activities that endanger nuclear and radiation safety. Safety arrangements are implemented in the nuclear facility and its area as we...https://stuk.fi/en/nuclear-security-arrangements
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Licensing of nuclear facilities The use of nuclear energy is not permitted without the appropriate license. The Nuclear Energy Act (990/1987) sets out the requirements for licensing procedures, regulatory oversight and competent authorities for th...https://stuk.fi/en/licensing-of-nuclear-facilities
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Reporting on nuclear safety International reporting on nuclear safety STUK's international reports on the status and regulatory oversight of Finland's nuclear safety have been compiled on this page. Reporting in accordance with international conve...https://stuk.fi/en/international-reports
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Olkiluoto nuclear power plant The three nuclear power plant units located in Olkiluoto, Eurajoki, are owned by Teollisuuden Voima Oyj (TVO). Olkiluoto 1 was taken into commercial use in 1979 and Olkiluoto 2 in 1982. In terms of its type, the Olkil...https://stuk.fi/en/olkiluoto-nuclear-power-plant
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Peaceful use of nuclear energy The aim of international safeguards is to ensure that nuclear materials are not diverted from peaceful uses to nuclear explosive devices and that activities do not contribute to nuclear proliferation. It is based on ...https://stuk.fi/en/peaceful-uses-of-nuclear-energy
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Reporting on nuclear safety Oversight reports of spent nuclear fuel final disposal facility STUK carries out inspections of the spent fuel encapsulation and disposal facility in Olkiluoto in accordance with the inspection programme during construc...https://stuk.fi/en/oversight-reports-of-final-disposal-facility