Nearly 2,300 homes and businesses in Benicia were without Friday morning after an underground cable failed, PG&E said.
A downed power line was blamed for causing a power in Mountain View that affected nearly 1,500 customers earlier Sunday.
Classes have been canceled at Silver Creek High School in San Jose Wednesday because of a power outage, the school announced on its website.
Sunnyoaks Ave. and one southbound lane on Winchester Blvd. remained closed to traffic and PG&E said the closures could be in effect until Monday morning.
Power was restored to most of the University of California, Berkeley, on Tuesday as officials confirmed that the theft of copper cables from a substation caused a campus-wide outage that preceded an explosion and evacuation.
Eleven buildings on the University of California at Berkeley campus that remained without power following an explosion Monday evening would not hold classes Tuesday, UC Berkeley officials said.
A power outage triggered an explosion and fire at the University of California at Berkeley on Monday evening, prompting an emergency evacuation of the campus and hospitalizing one person with burns, according to authorities.
Caltrans apologized for a power outage that caused major backups at the Caldecott Tunnel Monday morning, because of an inability to switch the middle bore to westbound traffic. Workers were testing the new system out when they tripped a circuit that caused the glitch.
Outages in Pittsburg and San Jose affected roughly 2,800 PG&E customers Thursday morning.
A driver was arrested for hit-and-run after his vehicle collided with a utility pole in Belmont causing a grass fire and knocking out power in the area on Friday afternoon.