NRC Releases Nuclear Power Plants' Mid-Cycle Assessments

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The U.S. Nuclear Regulatory Commission (NRC) issued mid-cycle letters, saying 96 out of 99 running nuclear reactors are operating in the highest performance categories.

Of the 96 highest-performing reactors, 87 fully met all safety and security performance objectives and were inspected by the NRC using the normal “baseline” inspection program. Nine reactors needed to resolve one or two items of low safety significance, which included additional inspection and follow-up of corrective actions. Those reactors are: Davis-Besse in Ohio; Indian Point 3 in New York; Oyster Creek in New Jersey; Prairie Island 2 in Minnesota; River Bend in Louisiana; Salem in New Jersey; Sequoyah 1 in Tennessee and Vogtle 1 and 2 in Georgia.

There were no reactors in the third performance category with a degraded level of performance.

Three reactors, Arkansas Nuclear One 1 and 2 and Pilgrim in Massachusetts, were in the fourth performance category at the end of the period and require increased oversight. ANO 1 and 2 were in this category because of two safety findings of substantial significance. Pilgrim is in this category because of long-standing performance issues of low-to-moderate safety significance.

The NRC’s assessments for construction projects at Vogtle 3 and 4, V.C. Summer and Watts Bar 2 are also available.

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