Power is being returned to hundreds of people due to faults on the ESB network.
According to the ESB, some 500 customers have lost supply in parts of Dublin, Kerry, Galway, Roscommon and Mayo.
Nearly 170 homes are without power in the Clondalkin and Santry areas of Dublin.
Some 140 homes are also without power at Abbeyfeale in Kerry - with a further 178 outages reported at Castlerea in Co Roscommon.
Fourteen homes are without electricity in Glenamaddy, Co Galway while 12 customers are affected in Crossmolina in Mayo.
The ESB says all the faults should be re-connected by 6.00pm
It comes as snowstorms have disrupted travel across many parts of Britain and left thousands of homes without power.
The worst of the snow fell across the Midlands and parts of Wales - with motoring organisations reporting a surge in minor bumps and breakdowns.
The seasonal weather hit as many people returned to work after a short Christmas break.
Engineers were rushed to restore power to more than 24,000 homes.
There are still around 13,899 without electricity across southwestern and central parts of the country.
Passengers at London's Stansted Airport were left waiting as the runway was closed temporarily to allow safety checks to be completed.
Travellers at Luton Airport have also been warned to expect disruption due to sleet and snow, with reported delays of more than two hours as crews de-iced aircraft.
A spokesman for the airport said: "The airport is open and the runway operational but air traffic control restrictions are in place.
"There are some delays as airlines de-ice their aircraft. We advise all passengers to check with their airline for the latest status of their flight."
Additional reporting: IRN