Verified source brief
Humidity at PG&E Substation Likely Cause of Massive December San Francisco Blackout
A new report found the South of Market substation was susceptible to rain and had a “compromised” ventilation system, which caused damage to key infrastructure.
Source brief
A new report found the South of Market substation was susceptible to rain and had a “compromised” ventilation system, which caused damage to key infrastructure.
Original source
This is a source-linked brief from KQED. Read the original item at Humidity at PG&E Substation Likely Cause of Massive December San Francisco Blackout.
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- Published by source: 2026-05-09T00:19:38+00:00
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- Humidity at PG&E Substation Likely Cause of Massive December San Francisco BlackoutKQED - 2026-05-09T00:19:38+00:00
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