Voluntary evacuation orders have been issued for residents living near Pacheco Creek, according to the San Benito County Sheriff's Office.
At the height of the outage, PG&E said 130,000 customers on the Central Coast were without power. Thousands of employees are working through the night in affected areas.
A high number of calls for service prompted activation of an emergency operations center in Hollister on Friday, according to the Hollister Police Department.
Sandbags are available to residents at the Hollister Airport, the City Yard at 1310 South Street and Fire Station No. 2 at Union and Valley View, Hollister police said.