Electricity has been restored to the majority of San Francisco residents and businesses following a significant and widespread power outage that struck the city.
Details of the Widespread Disruption
The outage, described as massive, impacted a large portion of the city, plunging thousands into darkness and disrupting daily life. The incident began on December 20, 2025, with restoration efforts continuing into the following day. By 9:45 AM EST on December 21, 2025, power had been successfully returned to most affected customers. The cause of the outage is currently under investigation by authorities and utility crews.
Response and Investigation Underway
Utility workers responded swiftly to the crisis, working through the night to diagnose the problem and repair the damaged infrastructure. The scale of the outage necessitated a significant coordinated response. While the exact technical failure has not yet been publicly disclosed, such events typically trigger reviews of grid reliability and emergency response protocols.
Impact and Moving Forward
While the lights are back on for most, the event serves as a stark reminder of the vulnerabilities in urban infrastructure. Power outages of this magnitude can have cascading effects, disrupting transportation, commerce, and essential services. Residents and officials alike will be looking for answers from the ongoing investigation to prevent future occurrences of similar scale.