ESB Networks says it's still working to restore power to around 400 homes left without power by Storm Rachel.
Most are in the North-West and Mid-West regions - where strong winds have now subsided.
But, the ESB says lightning over Clare, Limerick and Kerry has caused further faults in places.
Eircom crews are also working to restore service to its customers after around 10-thousand were without service yesterday.
Director of Corporate Affairs with Eircom, Paul Bradley, says crews will be out from first light:
