Repairs are continuing to reconnect thousands of customers left without power, water and communications following Storm Ophelia.
However there are concerns the approaching Storm Brian could further hamper efforts.
ESB Networks say there are 50,000 homes and businesses still without power.
But a total of 335,000 homes, farms and businesses have now been restored - 13,000 of these on Thursday evening.
The utility adds that 3,800 staff are now working on the ground.
ESB Networks has published "estimated restoration times" for all customers on its PowerCheck website.
It also continues to highlight the dangers posed by fallen live wires - and is advising the public and the emergency services to stay away from them and to report such cases immediately to 1850-372-999.
While water has been restored to 101,200 customers, 7,800 remain without supply.
This is down from a peak of 109,000.
As regards to wastewater, 21 wastewater treatment plants and pump stations - serving a total population of 17,400 - are still without power.
The chair of the National Emergency Coordination Group, Sean Hogan, said: "With the clean-up and restoration on-going, we are continuing to liaise with key stakeholders to restore infrastructure across the country.
"With more normal winter wind and rain conditions likely from today and over the weekend, local authorities are being advised to factor in rest for those staff who have cleared practically all roads and who are removing debris".
Telecommunications company eir says several areas are still affected.
But it says it has now restored service to more than 120,000 customers across the country.
"We estimate that the number of customers without broadband, telephone and mobile service as a result of Storm Ophelia has reduced to 30,000", it says.
It says service has been restored to more than 250 mobile sites in the past three days.
The southern half of the country continues to be the worst affected area, with an estimated 14,000 customers without service in Cork.
The Defence Forces are continuing to support ESB networks on aerial missions to help repair power lines.
And they have also assisted with water bowsers in Galway and Kilkenny, and the filling of sandbags for flood defences in Limerick.