In the early hours of Friday morning, passengers were advised not to travel to the airport and told to contact their airline for further information after a blaze started at an electrical substation a 10-minute drive away from the airport. The substation supplies power to the UK’s largest airport.
Heathrow to restart some flights following power outage
Air
Harry Kemble
21 March 2025
Heathrow is set to restart some flights despite warning passengers there could be several days of travel disruption following the "significant" power outage at the airport on Friday (21 March).
Heathrow has unveiled a five-point plan to strengthen its resilience after it was criticised for its response to the power outage on 21 March (Credit: Heathrow airport)
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