Following the publication of the final report into the North Hyde substation fire (https://www.neso.energy/document/3638...) there's a lot to unpack, but the incident appears to be more serious than initially thought because it has uncovered a weak maintenance culture within National Grid Electricity Transmission (part of National Grid).
The report is somewhat critical of Heathrow, but fails to mention a similar incident at Atlanta airport in 2017, which prompted US airports to beef up their energy resilience.
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