SAN FRANCISCO (KRON) — Nearly 9,000 PG&E customers lost power in San Francisco Friday night, PG&E’s outage map showed.

The entirety of Golden Gate Park was affected by the outage, as well as areas of the Sunset District and Lower Haight. Power was restored to most customers by 9:38 p.m., but 1,600 customers remained without power.

PG&E does not expect power to be restored to everyone until 2 p.m. Saturday, according to its website.

The outage began at 7:12 p.m. The number of customers affected was 8,888.

PG&E did not provide a reason for the outage.

This is a developing story. Stick with KRON4 for updates.