PG&E transformer fire triggers power outage in San Francisco's Richmond District
Dec 2025Published 7 Sept 2026Responsible editor: Chief Editor
- Where
- Richmond District of San Francisco near 12th Avenue and Balboa Street
- Operator
- Pacific Gas and Electric Co. (PG&E)
- What
- Transformer fire caused unplanned outage for over 11,000 customers
- Cause
- Overhead equipment failure
- Response
- Fire officials secured scene until PG&E crews arrived
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Companies named in the reporting of this entry (being named is not a finding of fault): Pacific Gas and Electric
What happened
A transformer fire in the Richmond District of San Francisco caused an unplanned power outage affecting more than 11,000 Pacific Gas and Electric Co. (PG&E) customers on Sunday night. The fire was reported around 7:45 p.m. near 12th Avenue and Balboa Street. Fire officials said firefighters secured the scene until PG&E crews arrived. PG&E attributed the outage to an overhead equipment failure but did not provide further detail. The outage affected customers and some traffic signals in the Richmond District, Golden Gate Park and the Presidio until around 11 p.m.
The incident occurred as PG&E was preparing to restore grid power to about 6,000 customers in the same area who had relied on temporary generators since the prior week, following a larger outage that began 20 December and affected 130,000 customers citywide at its peak.
Contributing factors
PG&E stated the outage was caused by an overhead equipment failure, without providing further detail. The utility did not confirm whether the failure was connected to the planned switch back to grid power that occurred later the same night.
Lessons learned
- Overhead equipment failure can ignite a transformer fire, so operators should check connections and insulation before any planned restoration switch.
- Fire services must secure a live transformer site until utility crews arrive, so joint response plans need clear handover rules.
- An outage during a return to grid power after a prior event needs extra monitoring to avoid repeat customer impact.
More lessons on electrical protection and isolation, fire suppression and firefighting, detection and monitoring, from every incident on the register.
Not yet known
- Exact nature of the overhead equipment failure
- Whether failure linked to grid restoration switch
- Age and model of the failed transformer
- Cost of damage and outage
This entry is updated when these are reported. Get an alert for the next one like it.
Source
Other entries that name Richmond
Published 2026-09-07. Written from public reporting. Descriptive, not investigative. See the data accuracy disclaimer.
