SAN FRANCISCO (CBS SF) — The threat of a PG&E power outage led UC Berkeley officials to announce early Tuesday evening that classes were canceled for Wednesday.

The school tweeted that all classes would canceled just after 5 p.m. due to the expected outage. The campus would be open, but services would be limited.

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Sonoma State University in Rohnert Park will also cancel classes on Wednesday, but its residence halls will remain open and students will meal plans can still receive food services.

Santa Rosa City Schools also announced that a number of schools would be closed late Tuesday afternoon.

Maria Carrillo High School, Rincon Valley Middle School, Santa Rosa Middle School, Hidden Valley Elementary School, Protor Terrace Elementary School, Santa Rosa Accelerated Charter School and Lewis Education Center will be closed.

All after-school activities, such as childcare and sports, are canceled at those schools because the shutoff will affect them.

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School officials said the schools could be closed beyond Wednesday because power may not be back on Thursday or later in the week. Other schools may be closed later in the week if PG&E expands the power shutoff area, according to school officials.

Parents can check whether a school is open at

UC Berkeley and Santa Rosa City Schools join the San Leandro school district and the Santa Rosa Junior College to cancel Wednesday classes.

The Alum Rock School District announced its schools in San Jose would be closed on Wednesday and Thursday.

The Castro Valley Unified School district announced four school closures for Wednesday at Jensen Ranch, Palomares, Proctor and Canyon.

Several other Bay Area school districts said they will be monitoring the situation.

Santa Rosa Junior College officials said their campuses will remain closed until the power outage threat has passed. San Leandro officials said they will determine if the schools will reopen for Thursday and Friday classes.

At an afternoon news conference Tuesday, Oakland Unified School District spokesman John Sasaki said 12 schools were located in the area designated by PG&E for a power shutdown. But PG&E informed the district that all schools except Skyline High School will hold classes on Wednesday.

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Here are links for parents who are wondering if their child’s school will be closed by the power outage.