PG&E said it did not have a precise timeframe for when power would be fully restored due to the "significant and extensive" ...

Power has been largely restored after a widespread and unexplained blackout left swaths of San Francisco without electricity ...

A massive outage knocked out power to 130,000 homes and businesses in San Francisco on Saturday, Pacific Gas and Electric Co.

Thousands of people were left without power for hours in San Francisco on Saturday, according to the Pacific Gas & Electric ...

Nearly a third of San Francisco was plunged into darkness on Saturday as a widespread power outage disrupted daily life, public transportation, and forced Waymo to suspend its autonomous taxi service ...

At least some of the blackouts were caused by a fire that broke out inside a Pacific Gas and Electric Co. substation.

The power outage also disrupted San Francisco public transportation and PG&E said publicly it was working to fix the issue.

A massive power outage left thousands of customers without electricity after a substation fire on Saturday afternoon.