San Francisco got hit with two big power outages on a Friday afternoon. Record-breaking March heat sent temperatures soaring, and people around the Bay Area wanted answers from PG&E.
Thousands of customers lost power. Officials said the outages might have been two separate problems that happened almost back-to-back, not just one big event.
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For folks in Marin County, the disruption was a reminder—SF’s grid issues can spill over into towns like Sausalito, Mill Valley, San Rafael, and Novato. Ferries, commutes, and local shops all depend on reliable electricity.
What happened and where
PG&E kept updating the number of affected customers as crews tried to figure out what went wrong. At first, more than 7,000 customers were without power. Later, PG&E said they’d restored service to almost everyone.
Officials blamed two different faults: one was an electrical equipment failure in an underground vault at 18th Street and Guerrero Street. The other was a cable failure somewhere else in the city.
The Department of Emergency Management warned that the outage was unplanned and hit several neighborhoods. City staff said what looked like a single outage for about 14,000 customers was actually a sequence of overlapping outages, though PG&E hasn’t really cleared that up publicly.
The West Side of San Francisco took the biggest hit. People in the Sunset District, Lower Haight, Castro, and Cole Valley reported disruptions.
Local businesses struggled, and residents wandered through darkened stores, some searching for backup power. By about 6:15 p.m., PG&E said power was back for nearly everyone, but earlier in the evening, around 3,100 customers were still out.
Marin commuters who count on cross-bay connections or SF-based services faced extra stress. The timing, with the heat and traffic, just made things worse.
West-side neighborhoods hit
San Francisco’s western neighborhoods really felt it, both from the heat and the power loss. The outage landed right as downtown hit 90 degrees, making it tough for people and businesses to keep cool and keep food from spoiling.
In Marin, towns like Sausalito and Mill Valley kept a close eye on SF grid alerts. A lot of people there rely on SF offices, transit, and ferries that connect to Larkspur and Tiburon.
Impact beyond San Francisco and into Marin
SF’s power troubles rippled into Marin County’s daily life. Ferry schedules, cross-bay commutes, and access to SF employers can all depend on steady electricity, so Marin residents and business owners watched PG&E’s updates closely.
The episode came after a big December blackout that left about a third of San Francisco in the dark. It’s another reminder—Bay Area’s grid needs to handle all sorts of weather and sudden demand.
- Sausalito and Mill Valley commuters checked ferry timetables and backup plans.
- San Rafael and Novato workers coordinated remote work or left early to dodge the worst of the heat.
- Local Marin restaurants and small businesses weighed power-restoration timelines against customer needs.
PG&E response and regulatory oversight
PG&E jumped into restoration mode right away. The city wanted to know if this was really one outage or a bunch of overlapping ones.
The California Public Utilities Commission said it’s still reviewing the December blackout. They haven’t clarified the 14,000-customer sequence, but the agency seems pretty focused on reliability. In San Francisco, city officials called for a state investigation into PG&E’s reliability. Marin and other Bay Area communities want regulators to give stronger assurances about grid resilience and preventing future outages.
Staying prepared: safety tips and lessons learned
Outages like these really show how important it is for folks in Marin and the Bay Area to stay ready when the power suddenly cuts out. Here are a few reminders, especially as we head into warmer months and the grid feels the heat:
- Charge your devices ahead of time and stash a portable battery so you can keep in touch if things go dark.
- Keep a basic emergency kit—think flashlights, extra batteries, some non-perishable snacks, and bottled water.
- Figure out backup power options for the essentials like medical gear or keeping meds and food cold. It’s worth thinking about before you actually need it.
- Map out a plan for cross-bay commutes in case SF service goes down. Alternate routes or ferries from Sausalito, Tiburon, or Larkspur might save you a headache.
Here is the source article for this story: PG&E outage knocks out power to thousands in S.F.
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