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Heathrow warned a decade ago about weakness of single grid connection

Infrastructure report identified dependence on main transmission line connections as threat to airport operations in 2014

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Members of the London Fire Brigade attend a major fire at an electrical substation near Heathrow
London firefighters were still tackling the electrical substation fire near Heathrow hours after the explosion Credit: Leon Neal/Getty
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Heathrow and the Government were warned a decade ago that the airport was overly reliant on very few sources of power to keep it fully functioning, it has emerged...

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