CERN’s 4th Environment Report

CERN’s fourth environment report, covering 2023 and 2024.

What it anchors

  • In 2024 the Enlarged Directorate approved environmental objectives to 2030, committing CERN to limit electricity consumption to 1.5 TWh/year during LHC Run 4.
  • CERN holds ISO 50001 energy management certification; a decade of efficiency measures has cut consumption by about 10%.