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London's Hub Paralyzed: Heathrow Suffers All-Day Power Collapse

March 21, 2025
Pic: Collected
  • Heathrow Blackout: Travel Disrupted as Power Failure Halts Flights

Heathrow Gridlock: Power Outage Shuts Down Airport, Chaos Ensues

London's Heathrow Airport, a global travel hub, experienced an unprecedented all-day shutdown today due to a major power outage, leaving thousands of passengers stranded and flights canceled. The disruption, which began in the early hours of the morning, crippled all terminals, causing widespread chaos and frustration.

The outage, attributed to a significant failure in the airport's electrical supply, affected critical systems, including check-in, baggage handling, and air traffic control. While backup generators provided limited emergency power, they were insufficient to maintain full operational capacity.

"We are deeply sorry for the disruption caused by today's power outage," stated a Heathrow spokesperson. "Our teams have been working tirelessly with external experts to restore full power and resume normal operations. However, due to the complexity of the issue, we have had to make the difficult decision to cancel all departing flights for the remainder of the day."

The impact was immediate and far-reaching. Passengers reported scenes of confusion and overcrowding, with long queues forming at information desks and frustrated travelers seeking alternative arrangements. Social media was flooded with images and videos of packed terminals, delayed flights, and canceled journeys.

Airlines operating from Heathrow faced significant logistical challenges, with hundreds of flights canceled or diverted to other airports. The ripple effect extended to airports worldwide, causing delays and disruptions to international travel schedules.

Engineers have been working throughout the day to identify and rectify the fault. According to the latest update, the source of the power failure has been located, and efforts are underway to restore the primary electrical supply. However, it is expected that significant delays and cancellations will continue into tomorrow as airlines work to clear the backlog of passengers.

"We understand the immense frustration this situation has caused," the Heathrow spokesperson added. "We are working closely with airlines to rebook passengers and provide accommodation where necessary. We advise all passengers to check with their airlines for the latest flight information before traveling to the airport."

The incident has raised concerns about the resilience of critical infrastructure at major airports and the potential impact of power outages on global travel. Investigations into the cause of the failure are expected to be launched, with a focus on preventing similar incidents in the future. Passengers are advised to continue to check the Heathrow airport website, and their individual airlines websites for the most up to date information.

Heathrow Airport will remain closed throughout the day, and thousands of homes are without electricity as firefighters battle a major fire at an electrical substation in west London.

The blaze broke out at the North Hyde substation in Hayes, where a transformer caught fire, leading to the evacuation of over 100 people from nearby properties. Heathrow has confirmed it is experiencing a severe power outage and has advised passengers against traveling to the airport. Officials have also warned of ongoing disruptions in the coming days.

A Heathrow spokesperson stated that the power failure has affected operations across the airport, and with emergency crews still tackling the incident, there is no clear timeline for restoration. For safety reasons, the airport will remain shut until 23:59 on March 21, 2025.

Eurocontrol, which oversees air traffic across Europe, reported that no incoming flights are being permitted at Heathrow, with diversion plans in effect. Flight-tracking service Flightradar24 noted that at least 120 flights en route to Heathrow will need to be redirected.

The London Fire Brigade confirmed that around 70 firefighters and 10 fire engines were deployed to the scene on Nestles Avenue in Hayes to contain the flames. Video footage shared online shows large plumes of smoke and intense flames. Many residents and hotel guests near Heathrow have reported power outages.

Authorities have set up a 200-metre safety cordon, evacuating approximately 150 people from surrounding buildings as a precaution. Assistant Commissioner Pat Goulbourne of the London Fire Brigade described the situation as a significant and highly visible incident, adding that crews are working under challenging conditions to bring the fire under control as quickly as possible. He acknowledged that the power outage has affected a large number of homes and businesses and assured that officials are collaborating with partners to reduce disruption.

The fire brigade has received more than 190 emergency calls related to the incident, with firefighting teams responding from Hayes, Heathrow, Southall, and surrounding areas.

Scottish and Southern Electricity Networks (SSEN) confirmed via social media that a major power outage has impacted over 16,300 homes across Hayes, Hounslow, and nearby locations. SSEN estimated that electricity could be restored by 3 a.m.