PG&E shut-offs: What’s open and closed in affected counties

Schools, hospitals and other institutions continued to struggle with blackouts Thursday as Pacific Gas and Electric Co. cut power across wide areas of Northern and Central California.

An estimated 2 million people — or 726,000 customers — were left without power at the peak of the huge shut-offs, which hit parts of 34 counties Wednesday and Thursday.

As of Thursday evening, hundreds of thousands customers were without power, and it was unclear when power might be restored as PG&E started inspecting its sprawling network.

The utility was trying to prevent its equipment from sparking another destructive wildfire with risk heightened due to dry conditions and high winds.

Here’s a status update on which regional school districts, hospitals and other services and organizations in the blackout zone are open.

HOSPITALS

Bay Area hospital officials said they were preparing for potential shut-offs, including readying backup generators, but most said their buildings are outside the current blackout zone. John Muir Health Orinda and Walnut Creek Urgent Care Centers are closed. John Muir Urgent Care in Walnut Creek is part of a location that also has medical offices that are closed at 1450 Treat Blvd. Even if power is restored tonight or tomorrow, they will keep all of these locations closed Friday as well. All physicians at these locations have been relocated to other care sites and will be in those spots tomorrow to see patients. Kaiser At this time, the only Northern California medical center on emergency power is Santa Rosa Medical Center. Kaiser’s medical office buildings in Santa Rosa on the main campus are on emergency power as well; appointments will continue. Nonurgent procedures were being rescheduled Thursday in Santa Rosa.shutdown.

Sutter Health

No Sutter hospital is closed. The Auburn hospital is back online with full power and others should be soon.

Dignity Health

Dignity, which operates hospitals in San Francisco and Redwood City, said it will run on generator power in the event of a shutoff. Dignity said its clinic at 799 Main St. in Half Moon Bay closed Thursday because of the shut-off. All other clinic locations on the Peninsula and in San Francisco remained open.

St. Joseph Health

St. Joseph’s urgent care clinics in Napa and Windsor are without power and closed as of early Wednesday afternoon, but its North Bay hospitals — Santa Rosa Memorial Hospital, Petaluma Valley Hospital and Queen of the Valley — are not expected to lose power and hospital operations continue to function normally, a spokeswoman said.

ZOOS

Oakland Zoo

The Oakland Zoo remained closed to the public Thursday. The animals are being cared for by staff. San Francisco Zoo The San Francisco Zoo did not expect to be affected by any shut-offs, but officials there were prepared to enact emergency procedures as they would for an earthquake or other situation, a spokeswoman said.

SCHOOLS

K-12 districts A complete list of K-12 school districts’ plans can be found at www. sfchronicle.com/pge-shut offs. Universities UC Berkeley and UC Santa Cruz canceled classes Thursday. Mills College and Holy Names University, both in Oakland, canceled classes Thursday.

AIRPORTS

San Airport Francisco officials International said the shut-offs were not affecting services. San Jose International Airport officials don’t expect to see an impact either but are making preparations and communicating with airlines in case the situation changes. Oakland spokesman Robert Bernardo said in an email Tuesday: “The Port, which owns and operates Oakland International Airport, is closely monitoring PG&E’s potential planned shutdowns. Specifically at Oakland International Airport, we have extensive stand-by power to safely and securely run passenger operations.”

RESEARCH FACILITIES

The Lawrence Berkeley National Laboratory remained closed Thursday and would stay shuttered Friday, according to the lab’s website.

PARKS

Shut-offs and red flag warnings forced state parks officials to close some operations:

Calaveras Big Trees State Park: Open but services may be limited. Visitor center may close.

Columbia State Historic Park: Open but services may be limited. Park exhibits at Columbia are open, but businesses within the park are closed.

Lake Oroville State Recreation Area: Visitor center is closed until further notice.

Marshall Gold Discovery State Historic Park: Visitor center and museum are closed. Park remains open.

Mount Diablo State Park: The park may be closed if red flag warnings conditions warrant.

Mount Tamalpais State Park: All lands, paths, roads, buildings and grounds within the park, north of Panoramic Highway, are closed to vehicle traffic.

Shasta State Historic Park: The Courthouse Museum is closed.

Sierra District park units: Some park units are experiencing service reductions, but parks remain open. The park units are located in the Grass Valley (Nevada County) and Lake Tahoe areas, and Plumas, Alpine and Mono counties.

Weaverville Joss House and William B. Ide Adobe state historic parks: Visitor centers are closed until further notice.

— Dominic Fracassa