National Grid's chief executive has said Heathrow had "enough power" from other substations following Friday's fire that caused the airport to shut down.

National Grid’s chief executive has insisted the network was capable of feeding enough power to Heathrow throughout the airport’s closure on Friday. On Friday Europe’s busiest airport was brought to a standstill due to a substation inferno,

John Pettigrew, the CEO of National Grid, has claimed that Heathrow had access to two additional substations with “enough power” to keep operations running.

The official said he had raised concerns about Heathrow’s electricity supply days before a power outage forced it to shut down. Heathrow disputed the relevance of the official’s comments.

Airlines warned Heathrow airport about concerns over the resilience of its electricity supply days before a power outage caused the closure of the UK’s busiest airport and hundreds of cancelled flights,

Heathrow airport was warned about its power supply in the days before the entire hub was shut down due to an outage that caused massive disruption, lawmakers were told on