Overview

• Thomas Woldbye said the March fire at the North Hyde substation cost the airport in the low tens of millions of pounds.
• He acknowledged procedural gaps after sleeping through emergency calls and pledged to ensure decisive leadership in future crises.
• Ofgem has launched an enforcement investigation into National Grid following an NESO report that blamed a known 2018 fault.
• Heathrow is considering legal action against National Grid to seek compensation for the shutdown costs.
• Negotiations with airlines are underway to fund infrastructure upgrades and boost the airport’s power resilience.