More than 2,200 people were without power in the Pismo Beach and Lopez Lake areas Thursday.
According to PG&E, the outage began around 2:30 p.m. and stretched from Pismo Beach across highways 101, 227 and inland past Lopez Lake.
As of 3:26 p.m., 2,282 customers were reportedly impacted and a cause had not yet been determined.
Power was expected to be restored by 6 p.m.