EPCOR is investigating a power outage in northeast Edmonton that's affecting nearly 3,900 customers. 

Power went out in the Canon Ridge, Homesteader, Industrial Heights, Overlanders and River Valley Hermitage neighbourhoods at around 2:30 p.m. 

On its website, EPCOR says the cause of the outage is under investigation and that it's aiming to restore power by 4:30 p.m.