Heathrow Airport is now fully operational after a fire at an off-site electrical substation caused a major power outage, halting flights and disrupting global travel. The incident, which occurred on Friday, led to widespread delays and cancellations, affecting hundreds of thousands of passengers.
To manage the fallout, Heathrow added extra flights on Saturday to accommodate around 10,000 stranded travelers. Hundreds of additional staff were also deployed to assist passengers and restore normal operations. The National Grid confirmed that power has been fully restored to the North Hyde substation, a critical power source for the airport.
According to aviation analytics firm Cirium, the outage impacted approximately 290,000 passengers on Friday, with another 270,000 potentially affected on Saturday. A total of 669 flights were canceled, resulting in the loss of over 145,000 seats in a single day.
Authorities have ruled out foul play in the fire, but the Counter Terrorism Command is investigating due to the incident’s impact on critical infrastructure. Both Heathrow Airport and the National Grid have apologized for the disruption and are working to ensure services return to normal swiftly.
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