More than 500 homes in Blackwatertown are currently without electricity this morning (Thursday).
It is understood this is a result of a vehicle having crashed into and brought down an overhead power line in the area.
Northern Ireland Electricity (NIE) say they have sent a repair team to deal with the problem.
The outage occurred shortly before 9am, with an estimated fix time of around 11.45am this morning.
They say 562 customers have been affected.
There are no further details at this stage.