Power outage hit San Onofre nuclear plant on Wednesday || OC Register
Backup systems worked to continue cooling spent fuel, officials said
Electricity is essential to circulate water around the hot waste in San Onofre’s spent fuel pools
“Backup generators rumbled to life at San Onofre Nuclear Generating Station on Wednesday, Jan. 29, when an issue with transmission lines feeding the plant caused a 44-minute power outage, operator Southern California Edison said.
Electricity is essential to circulate water around the hot waste in San Onofre’s spent fuel pools — one of the reasons officials are eager to move all waste into dry storage as soon as possible. Dry storage requires no electricity. All waste is slated to be in dry storage later this year.
Power, perhaps provided by plant part-owner San Diego Gas & Electric, cut out at 5:05 p.m. and was restored by 6 p.m., said Edison spokesman John Dobken. Workers followed procedures and were continuing to restore plant systems into the night.
Diesel generators and other equipment responded as designed “and at no time was there any public impact,” said Edison in a statement.
The Nuclear Regulatory Commission office was notified. The cause of the outage is still being investigated.”
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