More than 2,600 PG&E customers were without power in Oildale.
According to PG&E's website, the outage started around 10:15 p.m. Wednesday.
The majority of the outage is between Airport Drive on the east, Manor Street on the west, Merle Haggard Drive to the north, and Decatur Street to the south.
The website said the cause of the outage is unknown, but crews are en route to assess the problem.
Power is expected to be restored by 3:30 a.m. Thursday.
This is a breaking news story, check back for updates.