ESOS Phase 4 will place greater emphasis on action, requiring large UK organisations to demonstrate progress against previous energy-saving commitments and explain where measures have not been delivered. This article explains what businesses need to do to comply.

ESOS Phase 4 keeps the focus on energy efficiency, with net zero requirements now pushed to Phase 5. The key shift is towards proving delivery, not just completing an audit. Read our article on what the changes mean and what to do now.