The outage in south-side Grande Prairie has been expanded, and the new estimated time for power to be restored is 3:00 p.m.
There is still no cause reported.
There is currently a power outage in Patterson in Grande Prairie, affecting 944 customers.
Atco reports the outage started at 10:12 a.m., and the estimated time for repair is 12:30 p.m.
An assessment is underway of the cause of the outage.