Power has been fully restored but there were very long queues into the afternoon amid knock-on delays.
Thousands of home and business premises in North County Dublin are still without power following an ESB power outage this morning, which engineers are working to fix.
The outage resulted in a loss of power in Terminal 2 of Dublin Airport, affecting its operations on Sunday morning which led to flight delays.
A power failure, which happened around 7.50am, impacted the airport’s backup generators, which caused delays for passengers checking in at Terminal 2, creating long queues inside and outside the terminal.
Check-in, security screening and boarding processes are now working “but slower than usual due to a large number of passengers needing to be processed”.
The outage was caused by an under voltage in the ESB Network, which may have caused a control system failure preventing the backup generator at the airport from kicking in as during previous power outages, the DAA said.
DAA has confirmed that most flights continued as normal throughout the incident.
“Our asset management team are working through the cause of this outage to ensure the same failure is not repeated in future,” the Dublin Airport spokesperson has said in a statement on X, formerly Twitter.
DAA apologises to all passengers who were inconvenienced by this morning’s issues.
“Dublin Airport’s teams worked to resolve the issue as quickly as possible and to ensure the return of power to T2,” they added.
They confirmed that the queues continue to ease but some delays are still likely for the remainder of Sunday morning.
“As always, passengers seeking updates regarding specific flights should contact their airline directly,” DAA added.
The delays are expected in Terminal 2 this afternoon but the flights from Terminal 1 are not impacted.
Passengers can check the status of flights on the dublinairport.com website.
While the power issue has now been resolved at the airport, approximately 34,000 customers are currently without power in the North Dublin area.
ESB Networks said a power outage is impacting parts of North Dublin following a “significant fault” this morning.
They also confirmed this included sections of Dublin Airport briefly losing power earlier today.
“ESB Networks crews mobilised immediately following reports of the fault and are currently investigating the cause while also carrying out the necessary repair works,” an ESB spokesperson said.
“We apologise to all of those impacted for the disruption caused,” they added.
Customers can get updates at the powercheck.ie website.
Dublin City Council has been contacted for comment.
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