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Tennessee Valley Authority Hydroelectric Dam Evaluation Program

Giving a dam, providing clean energy in 2020

Tennessee, North Carolina, and Georgia

To be one of the nation’s leading providers of low cost, cleaner energy by 2020. That’s the Tennessee Valley Authority (TVA) vision. To achieve that vision, they need to increase efficiency and generating capacity, and also support economic growth and job creation.

Unit 2 at the Watts Bar Nuclear Power Plant in Tennessee will move that process along. It adds more than 1,100 megawatts of power to their generating portfolio—enough to power more than half a million homes.

Due to the increased worldwide focus on how flooding affects nuclear facilities, we’re helping TVA perform stability analyses and evaluations of dams that control the flood waters that could affect the plant. Located in Tennessee, North Carolina, and Georgia, the five earthen embankment hydroelectric dams (Chatuge, Douglas, Nottely, South Holston, and Watauga) are up to 330 feet tall and 3,900 feet long.

We’re characterizing subsurface conditions and evaluating the performance of each dam under static, seismic, and flood elevation conditions. Making sure that TVA’s energy production proves resilient against disasters. We’re also installing instrumentation to support TVA’s dam safety monitoring program.

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