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Strategies & Market Trends : World Outlook
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From: tntpal12/21/2025 9:25:03 AM
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San Francisco power outage puts 130,000 in the dark, as self-driving car service stops vehicles in the street

One-third of PG&E customers in city lose electricity with significant transit disruptions and traffic jams reported

A massive power outage plunged large swaths of San Francisco into darkness Saturday, knocking out electricity to about 130,000 homes and businesses and leaving self-driving cars stalled in city streets.

Pacific Gas and Electric Co. did not immediately say what caused blackouts to roughly one-third of the utility company’s customers in the city. Fire officials posted on X at about 3:15 p.m. that at least some of the blackouts were caused by a fire that broke out inside a PG&E substation at 8th and Mission streets.

The outage darkened large parts of the city’s north side, starting in the Richmond and Presidio neighborhoods and areas around Golden Gate Park early in the afternoon before spreading further.

Autonomous vehicles stalled in the middle of streets, reportedly unable to detect down traffic lights, triggering traffic jams across affected areas.

San Francisco still without power as PG&E outage drags on
Dec 21, 2025

Vehicles along 19th Avenue illuminate the darkness during a major power outage in San Francisco's Sunset District on Saturday night, Dec. 20, 2025.

Kevin Kelleher & Emily Trinh/For SFGATE

Thousands of San Franciscans remain without power on Sunday morning as PG&E crews continue to work to restore electricity after a now nearly day-long outage.

sfgate.com
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