Large power outage in Southern California

Published: 2011-09-09
Last Updated: 2011-09-09 12:09:36 UTC
by Johannes Ullrich (Version: 2)
2 comment(s)

Update: it appears that the outage of several Microsoft services was not related to the power outage.

Per the San Diego Gas and Electric web site, power has been restored to the majority of customers.


The San Diego area (including parts of Mexico and Arizona) are experiencing a large power outage due to a problem in a high voltage transmission line [1]. It may take until Friday for power to be restored. As a result, expect various internet outages to follow as UPSs run down.

Currently, it appears that is at least partially down, and (aka is coming up with a home page but after logging in the connection fails. It is not clear if these outages are related to the power outage, but both sites do host some assets in the San Diego area.

Right now, there are no reports of wide spread routing failures.

If you do live in the area, and are still able to read this: Turn off air conditioners and it is best to stay off the roads as traffic signals are failing. Go to bed, get some sleep, and hope that things will be better in the morning as you get up ;-).


Johannes B. Ullrich, Ph.D.
SANS Technology Institute

Keywords: power outage
2 comment(s)


Roundabouts: the zero-maintenance vehicular traffic management power outage mitigation strategy.
Roundabouts: been there, done that, no thanks.

It was a great evening to meet the neighbors, BBQ food (might as well eat it before it spoils) and that is what happened all over the city. Some people got to see stars they may have never seen before, there really are more than the twenty something or so you can see any other night.

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