200 homes and businesses across Northern Ireland are still without electricity as a result of storms over the weekend.
Helicopters are being used to get repair crews to isolated areas cut off by drifting snow
The Glens of Antrim and high ground around Belfast are among the worst-affected areas as snow drifts blocked rural roads and brought down power lines.
ESB crews from the Republic and extra staff from Scotland have been brought in to help emergency workers from Northern Ireland Electricity to restore power supplies.
At Hannahstown and Dundrod in the Belfast hills scores of cars still lie abandoned in the snow.
Many schools were unable to open as they had no heat or light.
Close to 1,000 homes and businesses are still without electricity and authorities say it will be tomorrow at the earliest before power is restored to all customers.
Meanwhile, driving snow and high winds continue to hamper the efforts of engineers as they try to reconnect thousands of properties still without power in Scotland.
Snow and gales blasted the west coast of Scotland four days ago, plunging 18,000 homes and businesses into darkness.