NRC flags TVA's Sequoyah nuclear plant over shutdowns

photo Sequoyah Nuclear Plant is located near Soddy-Daisy.

Sequoyah reactor shutdowns

Dec. 20, 2010Nov. 16, 2010June 26, 2011July 20, 2011Aug. 18, 2011Source: TVA

Federal regulators have given Sequoyah Nuclear Plant a "white" safety finding -- the first level of safety concerns that triggers stepped up federal inspections.

Sequoyah, near Soddy-Daisy and 20 miles from downtown Chattanooga, received notice of the finding in a November letter from the Nuclear Regulatory Commission after the plant's Unit 1 reactor had its fourth unplanned "scram" -- or shutdown -- in less than a year.

"This was due to two trips [unplanned automatic shutdowns] in the fourth quarter of 2010, one trip in the second quarter of 2011 and one trip in the third quarter of 2011," wrote Richard P.