Scottish Power says that some of the 500 homes are unlikely to be reconnected to the power network tonight. It say it is doing everything it can, but cannot guarantee they will have electricity today.
Llangollen is still the worst affected area with Mold also experiencing problems.
They say that engineers will work as late as possible to reconnect customers.
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Local authorities said the move is necessary to "avert the growing number of deaths and increasing harm linked to psychoactive substances".
Sunny and bright spells for most of us this afternoon, feeling pleasantly warm.
North Wales Fire and Rescue Service say incidents of deliberate fires are more common during the school holidays.