Since 7pm this evening, properties across the DT6 area have experienced intermittent power outages and/or no power at all.
At one point, almost 6,000 properties were affected.
More than 2,000 were still experiencing issues at around 8.30pm.
People reported intermittent outages and a host of alarms could be heard ringing across the town caused by the sudden power cut.
It is being reported that most affected properties should have full power restored by 9pm.
Updates to follow.