Fog and power outages darken the skyline as traffic moves in San Francisco, Saturday, Dec. 20, 2025. (AP Photo/Jeff Chiu)
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CNBC TV1821-12-2025, 10:08

San Francisco Plunged into Darkness: 130,000 Lose Power Amid Outage

  • A massive power outage hit San Francisco, affecting 130,000 homes and businesses, roughly one-third of PG&E's city customers.
  • The blackout impacted northern areas including Richmond, Presidio, and Golden Gate Park, causing widespread closures and darkened streets.
  • Transit disruptions, including Muni and BART bypasses, led to calls for residents to avoid nonessential travel.
  • A fire at a PG&E substation at 8th and Mission streets was identified as a cause for at least some of the blackouts.
  • PG&E stabilized the power grid, preventing further outages, but could not confirm Saturday restoration.

Why It Matters: San Francisco faced a major power outage affecting 130,000, partly due to a substation fire.

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