Regulatory oversight of nuclear safety in Finland : Annual report 2021

Introduction This report is an account on regulatory oversight in the field of nuclear energy provided by the Radiation and Nuclear Safety Authority (STUK) to the Ministry of Economic Affairs and Employment (MEAE) once a year as required by Section 121 of the Nuclear Energy Decree (161/1988). The report will also be provided to the Ministry of Social Affairs and Health, the Ministry of the Environment, the Finnish Environment Institute and to the environmental authorities of the nuclear facility municipalities. The report is a summary of regulatory oversight of safety in the use of nuclear energy performed by STUK and of the related results in 2021. STUK’s nuclear safety regulation, as presented in the report, covers the essential oversight data related to the design, construction, commissioning, operation and decommissioning of nuclear facilities. In addition, the report covers similar data on other uses of nuclear energy, including nuclear waste management and nuclear materials. In addition to actual oversight of safety, the report describes, among other things, the development and implementation of the regulations concerning the use of nuclear energy during the year and the main characteristics of the safety research programmes pertaining to nuclear safety and nuclear waste management in Finland. The report appendices contain significant events at nuclear power plants and inspection summaries of STUK’s inspection programmes. In addition, a summary of the licences accordant with the Nuclear Energy Act granted by STUK in 2021, as required by the Nuclear Energy Decree, is appended to the report. STUK’s Financial Statements and Annual Report 2021 includes an assessment of meeting the performance targets under the performance agreement between the Ministry of Social Affairs and Health and STUK also in view of regulatory oversight in the use of nuclear energy