FILE - In this April 29, 2015 file photo, a boat travels on the Tennessee River near the Watts Bar Nuclear Plant near Spring City, Tenn. Federal regulators have fined the nation’s largest public utility $145,000 for submitting incomplete and inaccurate information on a backup system at its Watts Bar Nuclear Plant. The Nuclear Regulatory Commission notified the Tennessee Valley Authority of the proposed fine regarding the Spring City, Tennessee plant in a Nov. 19, 2019 letter. The utility says it has taken corrective action, adding that the backup configuration was never used. (AP Photo/Mark Zaleski, File)
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