Investigation ordered into power outage that closed Heathrow
- The British government ordered an investigation into energy resilience after a substation fire shut down Heathrow Airport for nearly 18 hours, affecting over 200,000 passengers and resulting in over 1,300 flight cancellations.
- Energy Secretary Ed Miliband requested that the National Energy System Operator urgently investigate the fire to learn wider lessons for energy resilience in critical infrastructure, with initial findings expected in six weeks.
- Heathrow's Chief Executive stated that the backup power supply worked as intended but was insufficient to operate the entire airport, which uses energy comparable to a small city.
- The Metropolitan Police concluded that the fire is not suspicious, and investigations will continue with partners including the London Fire Brigade and National Grid.
169 Articles
169 Articles


A Fire Plunged Heathrow Into Darkness. A Nearby Data Center Kept Humming. Why?
A gleaming new data center sits less than half a mile from the electric substation where a fire plunged Heathrow Airport into darkness last week. The data center’s own power was also cut that day. But no one who relied on it would have noticed, thanks to a bank of batteries and backup generators designed to kick in instantly. Meanwhile it took officials at Europe’s busiest airport close to 18 hours to bring its terminals and runways back into op…
U.K. police say no evidence of criminality in Heathrow Airport fire
British police said the substation fire, which caused Heathrow Airport to shut down for 18 hours last week, was no longer being treated as a potentially criminal matter after inquiries found no evidence to suggest the incident was suspicious.
The Device That Brought Down Heathrow
Today’s newsletter looks at the global shortage of transformers -- devices that were on few people's minds until one blew up and shut down Europe's busiest airport. You can read and share the full story on Bloomberg.com. For unlimited access to climate and energy news, please subscribe.
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