Author: HSE department
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CERN’s ISO 50001 certification has been renewed
Following extensive audits by the French national organisation for standardisation (AFNOR) at the end of 2025, CERN’s ISO 50001 certification has been renewed for another three years, until 1 February 2029. This certification, first awarded in February 2023, recognises CERN’s robust systems and processes for monitoring, improving and optimising energy performance, all in alignment with