It's after lightning storms overnight
In total, over 400 ESB customers Leeside are affected this morning including residents in Kanturk, Timoleague, Enniskeane, Killacloyne, and Castlelyons.
Properties in Waterford, Tipperary, Kerry and Wexford are the worst affected.
The ESB is urging people not to approach live wires and to check for updates to their local area on the PowerCheck app.