Policy paper

Review into the North Hyde Substation outage: terms of reference

Terms of Reference for the review into the incident at North Hyde Substation and the associated disruption at Heathrow Airport.

From:
Department for Energy Security and Net Zero, Ofgem and National Energy System Operator
Published
28 March 2025

Applies to England, Scotland and Wales

Documents

NESO review into the North Hyde Substation outage: terms of reference

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Details

The Energy Secretary has commissioned the independent National Energy System Operator (NESO) to investigate the power outage that affected Heathrow Airport and the surrounding area.

The review will focus on 3 main areas:

  • resilience of energy infrastructure
  • response and restoration of energy infrastructure
  • enhancing the resilience of critical infrastructure to energy disruption

NESO will report on initial findings within 6 weeks and provide a final report by the end of June 2025.

Updates to this page

Published 28 March 2025

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