About 7,000 people were without power in the Arcadia area on Tuesday morning.
An outage map on Salt River Project's website around 5:30 a.m. showed a large area impacted by the outages.
SRP
ABC15 crews saw dark parking lots in the area of 44th Street and Thomas Road.
SRP originally listed that the power was expected to be restored shortly after 6 a.m., but the restoration time was later updated to 7-8 a.m.
The cause of the outage is under investigation, but SRP says power was restored to the customers impacted around 7 a.m.
