Category Archives: Nuclear Safety

San Onofre’s Troubles Deepen

The San Francisco Chronicle reports that the repair costs for San Onofre are exploding.  Meantime, after years of employee complaints, KPBS reports that federal regulators are now looking into claims that San Onofre’s cyber-security training is outdated, at best.  The San Diego Union Tribune also reports that 70% power at San Onofre seems to be the “new norm.”…

SAN ONOFRE: CBG Study Shows Safety of Restarting Either Unit 2 or 3 is Questionable

In a report released today, CBG conducted an exhaustive analysis of data from nuclear plants nationwide.  After analyzing the data, it became stunningly clear that San Onofre’s Unit 2 reactor has about 400 times as many damaged steam generator tubes as the median number at comparable plants over the same operational period, and Unit 3 has more than 450 times as many.  Each San Onofre reactor has greater than a thousand times as many indications of wear on the tubes than the typical reactor in its first cycle of operation.  And each San Onofre unit has had to …

San Onofre nuclear power plant: More dangerous than imagined

There is a new report on the devastating information recently disclosed by the NRC–that approximately 3,400 steam generator tubes have gone bad at San Onofre, a number nearly equal to as many tubes installed in Unit 2 and Unit 3 of the power plant.  Despite this information, Edison is considering re-starting Unit 2 as early as August 2012.

CBG’s Dan Hirsch:

“This reveals a far greater problem than has been previously disclosed, and raises serious questions about whether it is safe to restart either unit.”