UII UPDATE 365 | MAY 2025
Intelligence Update

Data centers weather grid failures — but utilities want change

OPINION

In March 2025, London’s Heathrow airport lost power due to a fire at a substation. The entire airport, all five terminals, was closed for a whole day; 1,300 short-haul flights (and 120 long-haul flights) were cancelled, redirected or turned back. The cost has been estimated at “several hundred million pounds.”

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