An unplanned power outage briefly impacted Pacific Gas & Electric customers in Bernal Heights on Sunday evening around 5:30 p.m.
Edgar Hopida, a spokesperson for PG&E, said that as of 6:20 p.m., power had been restored to all customers. He said the cause of the blackout is still being investigated.
Earlier Sunday, 1,600 customers in the Mission District and Castro saw a separate hourlong blackout around 4 a.m., though power was restored by 5 a.m. The cause of that outage was also unknown, Hopida said…