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  • 2025:08 Carbon-14 in the marine environment of Ringhals nuclear power plant

    Report for project SSM2022-4035...

    Content type: Publications
  • 2025:03 APRI-11 – Final Report

    SSM perspective Background The Swedish Radiation Safety Authority together with the Swedish Power companies operating nuclear power reactors in Sweden have since early 1990’s provided financial support for severe accident research at KTH and Chalmers. The research was initiated almost directly after the installation of severe accident management system and strategy, as filtered containment...

    Content type: Publications
  • Licences for nuclear facilities

    A licence is required to build, possess or operate a nuclear facility. Licensees must apply for a new licence if they make modifications that are beyond the scope of their current licence. This page contains information about the licensing process and how to apply for a licence.

    Content type: Regular Pages
  • SSM strengthens cooperation with Ukraine on nuclear safety

    The Swedish Radiation Safety Authority continues its longstanding cooperation with Ukraine in the areas of nuclear safety and security, radiation protection, nuclear non-proliferation and education. The strategic direction was reaffirmed during a recent official visit to Ukraine by the authority.

    Content type: News
  • Licensing and notification

    This page contains information about which activities involving radiation require a licence or are subject to a notification obligation. You will also find guidance on how to apply for a licence or notify us about your operations.

    Content type: Regular Pages
  • 2025:01 Safety Concept Evaluation with Failure Tolerance Analysis

    SSM perspective Background One of the most important design principles to achieve high safety function dependability is the use of redundancy to be single-fault tolerant. In turn, redundancies become effective by applying additional design principles such as physical and functional separation and diversity. License holders of nuclear power reactors must demonstrate that requirements are met,...

    Content type: Publications