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Edison CEO offers no hint when San Onofre will be back online

April 26, 2012 |  8:00 pm

The chairman and CEO of Edison International briefly addressed the equipment problems at the San Onofre nuclear plant in his remarks at the company's annual shareholders meeting Thursday, but he gave no hint of what is causing the issues or when the facility might come back online.

Unusual wear on tubes in the nuclear plant's steam generators has kept it out of service for three months, since one tube sprung a leak and released a small amount of radioactive steam.

Chairman and CEO Ted Craver told shareholders at Thursday's meeting in the San Gabriel Hilton that excessive wear has been identified in less than 1% of the plant's nearly 39,000 steam generator tubes. 

"That said, I don’t wish to minimize the significance of this, especially since these are new steam generators. Over the last few months, we have assembled engineering and scientific experts, literally from around the world, to help us study the phenomenon causing the unexpected tube wear," he said.

Craver said once the cause of the wear is known, the solution will include removing affected tubes from service along with some "operational changes."

He gave no timeline but said it is possible that one or both units will remain offline through the summer and that Edison, the California Independent System Operator and San Diego Gas & Electric are working on contingency plans.

Edison International is the parent company of Southern California Edison.


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-- Abby Sewell