UPDATE (7:40 a.m.) - PG&E is reporting power has been restored to all but 55 customers. A final cause has not been released but according to PG&E, a broken power pole was found in the area.
ORIGINAL STORY (3:55 a.m.): PG&E crews are working to determine what knocked out power to nearly 3,000 customers in the Grover Beach area early Monday morning.
According to the PG&E outage page, the outage began at about 2:30 a.m.
PG&E estimates power will be restored by 5:45 a.m.