As the investigation continues surrounding the fire at the SoMa PG&E substation last December, which led to around 120,000 customers losing power, a new report found that it was likely caused by damage and moisture buildup from an incident that occurred the previous month.
A new third-party report by the firm Exponent found that the December fire at Pacific Gas & Electric’s Mission Street substation was likely caused by a combination of equipment damage, moisture buildup, and the layout of the facility, as the Chronicle reports.
The firm does not detail what PG&E could’ve done to prevent the fire, as the circumstances are still being investigated…