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July 31, 2014

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Outage in Southwest U.S. leaves millions without power

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AP Photo/Gregory Bull

Deborah Springs shops in a convenience store for food items after a power outage Thursday, Sept. 8, 2011, in San Diego. A power outage is affecting millions of people across southern California, Arizona and Mexico. Crews believe the outage was caused by a system breakdown and assured people it was not the result of a terror attack.

SAN DIEGO -- More than 2 million people on both sides of the U.S.-Mexico border were left without power Thursday after a major outage that extended from Arizona to southern California, including San Diego, the eighth largest U.S. city.

Mike Niggli, chief operating officer of San Diego Gas & Electric Co. ruled out terrorism but said the cause is unclear. Nevada was not impacted.

"To my knowledge this is the first time we've lost an entire system," he said at a news conference.

The outage that started shortly before 4 p.m. PDT extended from southern parts of Orange County to San Diego to Yuma, Arizona. It also is affecting cities south of the border across much of the state of northern Baja.

All outgoing flights from San Diego's Lindbergh Field were grounded and police stations were using generators to accept emergency calls across San Diego County.

Charles Coleman, a spokesman from Southern California Edison, said the two reactors at the San Onofre nuclear power plant went offline at 3:38 p.m. as they are programmed to do when there is a disturbance in the power grid, but there was no danger to the public or to workers there.

Residents in parts of eastern San Diego County and Yuma, Ariz. endured sweltering temperatures with no air conditioning.

"It's 113 degrees right now outside and 75 in my office," said Yuma city spokesman Greg Hyland, who was sitting in the dark, answering calls.

Niggli said relief was on its way, slowly. He said his 1.4 million customers may be without power until Friday.

He said the utility lost power due to a transmission failure that started at a large switching station in Arizona, where several high-voltage lines come together, although the cause has not been determined.

"I suspect the system was overwhelmed by too many outages in too many places," Niggli said.

In the desert heat of the Palm Springs area, the temperature was 111 on Thursday, with the rolling blackouts. The Eisenhower Medical Center will serve as an oasis of air conditioning since it operates on its own power source, said hospital spokeswoman Deborah Johnson.

Johnson welcomed fragile seniors and others affected by the heat to cool off in their lobby.

"All I can say is God bless air conditioning," she said.

Five hundred to 2,000 SoCal Edison customers in southern Orange County and Riverside County are currently without power and there is no estimate for when power will be restored, Coleman said.

"It's up to the Independent System Operator to determine what the cause was," he said.

In southern Orange County, the sheriff's department dispatched deputies to busy intersections because traffic lights were out, said John McDonald, a sheriff's spokesman. Outages were confirmed in San Clemente, San Juan Capistrano and Laguna Hills, he said.

Elliot Spagat in San Diego; Gillian Flaccus in Orange County; and Walter Berry in Phoenix.

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