A major blackout impacted 130,000 Pacific Gas & Electric Company customers across San Francisco on Saturday, leaving homes, traffic lights, public transit, and self-driving vehicles in darkness.
The outage was first reported around 10 a.m. local time on December 20, with the situation becoming significant by 1 p.m., according to PG&E. The San Francisco Fire Department responded to a fire at a PG&E electric substation located at 8th Street and Mission Street on that date.
While PG&E stated that the damage from the fire was “significant and extensive” requiring complex repairs, the incident has raised urgent questions about the security of America’s electrical grid.
U.S. intelligence agencies report that China has been deeply embedded in American critical infrastructure networks for years—including water systems, power grids, ports, telecommunications, and even small-town utilities. This infiltration is not driven by espionage or profit but to gain strategic leverage during future crises.
Former top cyber officials and documented investigations reveal that Chinese actors have accessed electrical grids, stolen credentials, and maintained dormant positions within these systems. Over 200 critical infrastructure networks across the United States show signs of compromise, including water supplies in communities without military significance.
This pattern aligns with China’s strategy of “unrestricted warfare,” which targets basic services to create confusion and division during potential conflicts in the Indo-Pacific region. The U.S. response has been slow, with outdated software still being patched while Beijing advances its cyber operations.