Explosion reported at U.S. nuclear plant, emergency declared

Published: July 3rd, 2013 at 10:45 am ET
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Title: Event Notification Report 49169
Source: Nuclear Regulatory Commission
Date: July 3, 2013
h/t Anonymous tip

Facility: PALO VERDE [Arizona ...]
Emergency Class: UNUSUAL EVENT
10 CFR Section: 50.72(a) (1) (i) – EMERGENCY DECLARED [...]
NOTICE OF UNUSUAL EVENT DUE TO EXPLOSION IN A NON-SAFETY RELATED LOAD CENTER [...]

“On 7/2/2013, at approximately 2027 MST, Palo Verde Unit 1 experienced a reactor power cutback from 100% rated thermal power due to explosion [in a non-safety related load center (1ENGNL02)]. The unit was at normal temperature and pressure prior to the cutback. [...]

“Unit 1 is stable at 61% rated thermal power. No ESF actuations occurred and none were required. The event did not result in any challenges to the fission product barrier or result in any releases of radioactive materials. There were no adverse safety consequences or implications as a result of this event. The event did not adversely affect the safe operation of the plant or health and safety of the public.” [...]

See full report here

Published: July 3rd, 2013 at 10:45 am ET
By
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55 comments

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