[lo_fye]

Is the power outage due to the fire? If so, what was the fire due to? How far back do we need to go on this? the Big Bang?

[belter]

Old oil transformer. The insulation breaks down in old transformers. It happens sometimes. No need to involve Russian conspiracy theories at this point in time... :-)

"How to Prevent Substation Fires": https://www.oilbarriers.com/blog/suppress-substation-fires/

https://youtu.be/2np745xyQ7o

[milleramp]

Probably, but definitely check for bullet holes. https://en.wikipedia.org/wiki/Metcalf_sniper_attack

[sega_sai]

It could be an old transformer, but it is not known at this time.

[psychlops]

If we've learned anything from the California fires, the culprit will be global warming.