Fire-Induced Power Outage Shuts Down London Heathrow Airport for a Day

A substation fire in Hayes caused widespread power outages, grounding flights and impacting thousands of passengers and households.

A fire at a substation in Hayes triggered a significant power outage, leading to the closure of London Heathrow Airport until 23:59 local time on March 21, 2025.
Approximately 120 flights were affected, with planes rerouted to alternate airports or returned to their departure points.
Passengers were advised to avoid traveling to the airport and to contact their airlines for updates on their flights.
The London Fire Brigade deployed 70 firefighters and 10 fire engines to contain the blaze at the substation.
Thousands of households in the surrounding areas remain without electricity as emergency services work to restore power.