The outage was reported around 5:50 am, knocking out power for residents north of Fowler between Adams and North Avenues.
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The outage also impacted residents living between Fowler Avenue and McCall Avenue.
Crews were working to determine what caused the power to go out. California Highway Patrol officers reported a downed power pole following a crash near Central and Temperance Avenues.
PG&E officials have not yet said whether the crash was the cause of the mass outage.
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The utility company's website said power was expected to be restored by 9:15 am.
Click here for more information on this power outage.