Costing airlines and their passengers an estimated £130 million per day. It is unusual and raises serious concerns for Heathrow and the government.
That the airport had to be closed because of the loss of only one electrical substation. Additionally, it has angered a lot of stuck travelers.
Heathrow has backup power systems, according to senior sources at the airport, but “activating contingencies for the whole airport requires.
Some time” and “isn’t immediate,” according to one insider. It is anticipated that bosses will be brought before Parliament to provide explanations.
“We are all shocked that Heathrow does not have a viable standby independent of the grid emergency power supply but instead depends on the National Grid,”