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.
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Wet and windy conditions for much of Wales although things should calm down this afternoon. Winds will remain brisk but it will feel mild.
Catch up with Monday's Wales at Six with Jonathan Hill.
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