Jul 16, 2013 1:40 PM by Kathrene Herndon, KSBY News
Officials with PG&E say Unit 2 at Diablo Canyon Power Plant has returned to full power.
An electrical disturbance caused the unit to go off-line safely last week.
Officials say an investigation found the electrical disturbance was caused by a flashover event during routine maintenance including pressure washing, or hot washing, of electrical insulators near a lightning arrestor located on the non-nuclear side of the plant.
Officials say Unit 1 was not affected.
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