UPDATE: Power Outage News Conferences

9/8 UPDATE 9:15 p.m.: During a 10 p.m. news conference hosted by San Diego County Board of Supervisors Chairman Bill Horn, officials said that power is slowly coming back online in Southern California but it could take up to three days for some areas to be fully restored.

for more updates on the outage.)

Customers in Tijuana and Mexicali up through San Diego, Orange and Riverside counties have been affected by the blackout. In total, nearly 1.4 million ratepayers have been impacted, equating to millions and millions of people across the Southland without power, said SDG&E President Mike Niggli during the news conference.

Power is slowly being restored, but the efforts will take place in phases, Niggli said.

There was no word yet on which areas would come back first, but some customers in Orange County and parts of North County San Diego are back up, SDG&E officials are reporting.

Riverside County is not expected to be back online until tomorrow. for more on Riverside County's outage.

Another news conference is scheduled at 10 p.m. to provide power outage updates. Tune in online by clicking here.

9/8 ORIGINAL POST: San Diego County officials are reporting that Board of Supervisors Chairman Bill Horn will host a news conference with City of San Diego Mayor Jerry Sanders at 8 p.m. at the County Office of Emergency Services at 5555 Overland Ave., Suite 1911, to provide an update on the countywide power outage.

"The county Office of Emergency Services is working with local law enforcement and regional agencies to coordinate information and response to the situation," officials said. "The power is expected to be out for an extended period of time."

for updates on the outage and the news conference.

Click here to watch the news conference.