More than 21,000 PG&E customers remained without power in Santa Cruz County as of late Friday morning, as well as hundreds in the Bay Area.
PG&E is preparing for strong winds that are expected to hit the Bay Area over the next two days.
A seagull flew into two power lines Monday morning, causing an outage that affected about 10,000 residents of the Capitola area, a PG&E spokeswoman said.
An explosive fire gutted a two-story duplex in North Berkeley overnight Thursday.
A power outage in Alameda affected about 6,800 customers Friday morning, but all customers have since had their power restored, an Alameda Municipal Power spokeswoman said.
Two San Francisco Municipal Railway lines that were disrupted by downed power lines Sunday morning have returned to regular service, a spokesman said.