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A spokesperson said the airport is “open and fully operational today”.

Heathrow Airport 'fully operational' after day of disruption caused by power outage

Around 200,000 passengers were impacted yesterday when a fire at a nearby substation left the airport without power, forcing it to close.

LAST UPDATE | 22 Mar

HEATHROW AIRPORT IS “open and fully operational”, a day after the airport was forced to close after a loss of power caused by a fire at a nearby substation.

Flights resumed at the west London airport yesterday evening and restrictions on overnight flights were temporarily lifted following hours of closure.

The fire at an electrical substation that supplies electricity to Europe’s largest airport led to the cancellation of more than 1,300 flights and impacted thousands of homes. 

The Metropolitan Police are not treating the incident as suspicious and the London Fire Brigade’s investigation is focusing on the electrical distribution equipment.

Heathrow also said it has added flights to today;s schedule to facilitate an extra 10,000 passengers travelling through the airport.

In a statement on social media, Heathrow advised any passengers due to travel today to contact their airline for flight information before heading to the airport.

“We apologise for the disruption and appreciate your patience whilst operations return to normal.”

A further statement from Heathrow said the airport was “open and fully operational”.

“Teams across the airport continue to do everything they can to support passengers impacted by yesterday’s outage at an off-airport power substation,” a spokesperson said. 

“We have hundreds of additional colleagues on hand in our terminals and we have added flights to today’s schedule to facilitate an extra 10,000 passengers travelling through the airport.

“Passengers travelling today should check with their airline for the latest information regarding their flight.”

The airport later added that all terminals and all car parks are open.

Firefighters and workers were still at the electricity substation this morning. The UK’s National Grid said power supplies have been restored to all customers connected to its North Hyde substation, including Heathrow. 

“We are now implementing measures to help further improve the resilience levels of our network,” it said. “We are deeply sorry for the disruption caused and are continuing to work closely with the Government, Heathrow and the police to understand the cause of the incident.”

Aer Lingus has said it is planning to operate its normal schedule to and from Heathrow today, with departures on Dublin Airport’s website showing flights to the UK airport are on schedule.

According to flight tracking website FlightRadar24, British Airways (BA) flight BA56 from Johannesburg, South Africa was the first regular passenger flight to land at Heathrow since Thursday evening, touching down at 4.37am.

BA, which has a major presence at Heathrow, said it expects to operate around 85% of its scheduled flights at the airport today.

The UK’s Department of Transport said restrictions on overnight flights were temporarily lifted to help ease congestion. 

travellers-wait-at-terminal-5-as-heathrow-airport-slowly-resumes-flights-after-a-fire-cut-power-to-europes-busiest-airport-in-london-saturday-march-22-2025-ap-photokirsty-wigglesworth Travellers wait at Terminal 5 as Heathrow Airport resumes flights after a fire cut power to Europe's busiest airport. Alamy Stock Photo Alamy Stock Photo

According to Heathrow’s website, there is no formal ban on night flights but since the 1960s, the Government has placed restrictions on them.

There is an annual limit of 5,800 night-time take-offs and landings between the hours of 11.30pm and 6am as well as a nightly limit, which caps the amount of noise the airport can make at night.

Last night, Heathrow CEO Thomas Woldbye told reporters: “We expect to be back in full operation (tomorrow), so 100% operation as a normal day.

He said passengers “should come to the airport as they normally would. There’s no reason to come earlier.”

He also apologised to stranded passengers and defended the airport’s response to the situation, saying the incident is as “as big as it gets for our airport” and that “we cannot guard ourselves 100%”.

Counter-terrorism officers from London’s Metropolitan Police have been leading the investigation into the cause of the fire, which did not result in any casualties at the scene.

the-north-hyde-electrical-substation-which-caught-fire-last-night-more-than-1300-flights-to-and-from-heathrow-airport-will-be-disrupted-on-friday-due-to-the-closure-of-the-airport-following-the-fire The North Hyde electrical substation which caught fire. Alamy Stock Photo Alamy Stock Photo

“After initial assessment, we are not treating this incident as suspicious, although inquiries do remain ongoing,” Commander Simon Messinger said.

Thousands of homes were left without power and more than 100 people were evacuated after a transformer within the substation caught fire.

Heathrow is Europe’s largest airport, with more than 83.9 million passengers travelling through its terminals in 2024.

This is believed to be the worst disruption at Heathrow since December 2010, when thousands of Christmas getaway passengers camped in the terminals because of widespread cancellations caused by snow.

In April of that year, air travel was grounded across Europe because of an ash cloud caused by an Icelandic volcanic eruption.

On Friday, other airports accepted diverted flights originally destined for Heathrow, including Shannon Airport in Co Clare. 

With reporting from Press Association

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    Mute Lilly Ella
    Favourite Lilly Ella
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    Mar 18th 2015, 6:20 AM

    People have nothing better to do than give out about LIPSTICK NAMES! ! Its actually frickin ridiculous, get a grip people!!!

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    Mute Neal Ireland Hello
    Favourite Neal Ireland Hello
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    Mar 18th 2015, 6:49 AM

    Get a grip, you say, while speaking in all-caps with a torrent of exclamations!

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    Mute Sinéad
    Favourite Sinéad
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    Mar 18th 2015, 7:36 AM

    @Neal at least Lilly put forward a genuine comment based on the article.

    You instead are making others scroll even more through the comments section by posting a pathetic comment of which no one needs to add pain to an early morning commute to work.

    You must really dislike yourself if you have to get satisfaction from posting such rubbish to other people.

    Read a book… T’will do you the world of good.

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    Mute pongodhall
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    Mar 18th 2015, 10:05 AM

    It is part of a culture that we have been on about a lot, paedophiles, priests with youngsters, it all adds up you see. If you had a little one and saw them in danger what would you feel, and what would you do?

    18
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    Mute Neil Hennessy
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    Mar 18th 2015, 10:12 AM

    You should hear Neal’s podcast – it’s hilarious. He plays this thick culchie character and talks about mundane stuff in a silly voice – gas stuff altogether!

    16
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    Mute Larissa Nikolaus
    Favourite Larissa Nikolaus
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    Mar 18th 2015, 11:03 AM

    As per the great writer whom we sadly lost last week:

    “Multiple exclamation marks are a sure sign of a diseased mind.’

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    Mute Sinéad
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    Mar 18th 2015, 6:09 AM

    Next….

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    Mute Gaeltán
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    Mar 18th 2015, 9:39 AM

    Dearg le fearg!

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    Mute Glen
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    Mar 18th 2015, 6:12 AM

    PC gone mad.
    People should be outraged by things that are really matter like government corruption, the health service and unjust taxes.

    146
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    Mute Cheeky Bums
    Favourite Cheeky Bums
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    Mar 18th 2015, 6:30 AM

    Is it a bird? Is it a plane? No, Its you flying off the subject.

    Not everything is about the government / tax system etc.

    Unless you have a really sad and narrow outlook on life.

    174
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    Mute Voteno Voteno
    Favourite Voteno Voteno
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    Mar 18th 2015, 7:16 AM

    I’m going to vote Sinn Fein for the first time ever.
    Thanks to your trolling patjoe

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    Mute Joe
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    Mar 18th 2015, 8:42 AM

    You’re right we should be outraged at important things, like economists saying the greatest threat to economic recovery is Sinn Fein.

    27
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    Mute David Fitzpatrick
    Favourite David Fitzpatrick
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    Mar 18th 2015, 9:42 AM

    The criminal sexualising of children and infants is a huge issue.
    Maybe this “fashionista” could get stripper impersonators/lewd child entertainers like Beyonce, Perry, Cyrus, Minage, Thicke, Pharrell, Lopez, Azelea to target their kiddy followers with her Paedo products?
    Disgusting psychological abuse of minors.

    26
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    Mute David Fitzpatrick
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    Mar 18th 2015, 10:17 AM

    What’s up red thumbers?
    Do you agree with this lewd perving??

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    Mute Johnnie Brogan
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    Mar 18th 2015, 10:38 AM

    have tried ctrl + alt + del?

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    Mute Charlie Mountney
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    Mar 18th 2015, 10:55 AM

    Do you get a tingle in your pants when you post PC Glen? There must be some reward or you wouldn’t keep doing it.

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    Mute Eoin O'Connor
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    Mar 18th 2015, 7:35 PM

    PC = trying to be decent to groups of people who probably don’t have things as easy as you do.
    Anti-PC mob = privileged people who dress up reactionary, authoritarian beliefs in the cloak of rebelliousness

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    Mute Matt Connolly
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    Mar 18th 2015, 8:51 AM

    Celebutard…that’s classic.

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    Mute J. Dunn
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    Mar 18th 2015, 6:55 AM

    Seems as though she knows how to market lipstick in a an industry dominated by multi-national conglomerates with deep pockets for celebrity endorsements and advertising saturation.

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    Mute Setrakian
    Favourite Setrakian
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    Mar 18th 2015, 6:37 AM

    Patjoejoe – what do you think of the lipstick story? Obviously you hate SF but stay on topic if you can. Now personally I’m not giving much of a sh*te about this and as they say – there’s no such thing as bad publicity.

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    Mute patjoejoe123
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    Mar 18th 2015, 6:39 AM

    i think the story will come as a joy to the ‘what can i be offended by today’ mob.

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    Mute Tara Dowling
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    Mar 18th 2015, 7:12 AM

    It’s only a lipstick ffs!!!

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    Mute trickytrixster
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    Mar 18th 2015, 7:17 AM

    Kat vons the d

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    Mute Mark Byrne
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    Mar 18th 2015, 10:26 AM

    She’s been cocked more times than Elmer Fudds rifle!

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    Mute ohaimhirghin
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    Mar 18th 2015, 7:09 AM

    Cutting stuff this.

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    Mute Charles McDonald
    Favourite Charles McDonald
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    Mar 18th 2015, 9:18 AM

    Society has gone to repressed. It’s possible and natural to find the odd girl under 17 attractive. Hence the masterpiece lolita. Jesus if that v was written now he would be lynched.

    It’s not like a girl hits 17or 18 and just on that day becomes attractive. Reminds me of American beauty.

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    Mute Andy Kennedy
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    Mar 18th 2015, 11:40 AM

    I feel as if you’re the kind of fellow who would wear a trench coat very regularly.

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    Mute Charles McDonald
    Favourite Charles McDonald
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    Mar 18th 2015, 8:40 PM

    Hehe thanks buddy

    But yes we carry repression here. I agree with age of consent being 16 in UK but 16 give or take a year and a girl can look very attractive. Sorry that’s just nature

    3
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