Scottish Power say that more than 500 homes are without power in the Holywell and Llangollen areas of north east Wales. They say engineers are trying to reconnect them but are struggling to due to closed roads.
The company says there are a number of other 'pockets' of disruption.
They hope that power can be reconnected by the end of the day.
More top news
Clear skies will continue for a time allowing temperatures to drop to freezing in many places. Cloud developing during the early hours.
She's been playing rugby since she was eight and now Sian Williams is Wales' first full-time professional female rugby player.
A judge said the three men were 'waiting in the wings to assist anyone ready to travel to Syria.'