Storm Éowyn has left over 715,000 homes and businesses without power this morning.
The record-breaking winds have caused "unprecedented, widespread and extensive damage" to Ireland's electricity infrastructure, resulting in significant power outages, ESB have said.
More outages are expected as the storm continues into the afternoon.
ESB will continue to "closely monitor" the storm and its impact on power supplies.
The company has said it may take several days to restore power due to the significance of the storm.
A full assessment of the damage is currently being conducted and once this is complete, ESB will be able to provide information on outages.
Stay Safe during #StormÉowyn.
Always assume the electricity network is live, #StaySafe and #StayClear of all electricity wires. If you see a fallen wire or a low hanging wire, do not approach it, report it on 1800 372 999.For #StormÉowyn updates visit https://t.co/57xk3Op7su pic.twitter.com/usNCC7IkUc
— ESB Networks (@ESBNetworks) January 23, 2025
ESB Network crews and their partner contractors will get to work on the damage and restore power once conditions are safe.
The public have been warned to never touch or approach fallen wires or a damaged electricity network as these wires are live and dangerous.
Storm Éowyn made landfall overnight, bringing record-breaking gusts to Ireland.
Red weather warnings remain in place for the entire country and the public have been urged to stay home.
Feature image shows ESB Networks teams on the road following Storm Brendan, 2020, Eamonn Farrell/RollingNews.ie