People in Brosna are now entering their fifth day without electricity and water.
Uisce Éireann says a generator it had acquired to restore water supplies, broke down yesterday.
The utility is in the process of bringing a generator from Killarney to Brosna and it is expected this will be operating in the North Kerry community this afternoon.
Four helicopters from the Irish Air Corps have been identifying faults in Kerry, Cork, Tipperary and Limerick.
Brosna is on the Abbeyfeale electricity supply line.
ESB Networks says the lengthy power outage in Brosna is as a result of fallen trees.
The utility says between 20 to 40 trees are down in separate locations in the Brosna area, particularly in Mount Eagle.
ESB Networks says some homes may not have their power restored until tomorrow or even Friday.
Thirty overhead line staff and two timber-cutting crew are working to restore power.
ESB Networks says equipment being used includes a forest harvester and eight track machines
