Originally published September 8, 2011 at 8:07 p.m., updated September 8, 2011 at 11:47 p.m.
Officials asked everyone to stay home Thursday night and leave the roads clear for emergency personnel.
Residents were also told to conserve water as pumps didn't have electricity and that was straining the system, and to stay off their telephones, both cellular and landlines, so emergency personnel could communicate with each other. They recommended using text messages.
SDG&E also asked residents to turn off air conditioners and other major appliances. Lessening the power load on the system will help officials restore power. And they also recommend unplugging small appliances.
County health officials warned residents that refrigerated food that has been at 40 degrees or higher for two hours or longer must be thrown out. It is unsafe to eat, officials said.
A boil water order for many areas of San Diego County was in place as water purification plants stopped operating. Customers in the Fallbrook, Valley Center, Helix, and Ramona water districts are asked to use “extraordinary water conservation measures.” No outdoor watering and only essential indoor use.
San Diego State University canceled all classes on Friday. Classes have also been canceled at Palomar College on Friday.
All public schools in San Diego County Schools will be closed on Friday. Managers at Grossmont Unified are required to work. Students at private schools should contact their individual schools to see if they are in session.
Scripps hospital system reports all of their hospitals are open and will reevaluate the situation Friday morning. Kaiser hospitals are also open, but their clinics are closed. The situation will be reevaluated Friday morning.
In Escondido, Palomar Hospital is open, but they have canceled all surgeries until further notice.
All employees of San Diego County and the city of San Diego are expected to report to work on Friday, officials said.
North County Transit District will decide by 2 a.m. Friday whether trains will run. If there is no train service, they will offer bus service from the stations, officials said.
The city of San Diego has opened up a public information line. The number is 619-570-1070. The county has also opened it's 2-1-1 line. Both have been experiencing heavy call volume throughout Thursday afternoon and evening.
We will update as soon as more information is available. For more immediate updates, follow the KPBS News Twitter account: @kpbsnews