It's not looking good and the other alternative airports in the UK are at full capacity: "Heathrow Doesn't Know When Power Will Be Back, Days of Disruption Exp

It's not looking good and the other alternative airports in the UK are at full capacity: "Heathrow Doesn't Know When Power Will Be Back, Days of Disruption Expected" - https://www.newsweek.com/heathrow-airport-fire-counterterrorism-police-called-report-2048459 https://www.newsweek.com/heathrow-airport-fire-counterterror... If the entire transformer is lost, procuring replacement transformers for substations can take from several months to years. Insulation failures are relatively common in older power substations. It seems someone should have done a better job preparing disaster recovery scenarios for Heathrow. Edit: BBC reporting "some power" restored on a "interim basis" as the power company is now using a different substation. It would be curious if the increased effort on other substations would then cause further power failures...A bit like the postmortems of global cloud providers, where taking a node out, causes increased stress on other nodes...