A new report investigating the power outage that shut London Heathrow Airport earlier this year, disrupting an estimated 270,000 journeys, has found the cause was a problem first detected seven years earlier.
The "catastrophic failure" of equipment caused a fire to break out at an electrical substation which supplies the UK's largest and busiest airport.
The report found that the failure was most likely caused by moisture entering the equipment, and that elevated moisture levels were first detected in 2018,
It also found that maintenance was postponed on the equipment in 2022.
Fintan Slye CEO of the National Energy System Operator, the organisation behind the findings, says it was a missed opportunity by the National Grid.
IN: This is a…
OUT: missed opportunity there.
DUR: 00:15
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