United States of America

Chickamauga— 159.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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Positioned as the 1612th largest power generation facility in the United States, the Chickamauga hydroelectric plant holds a significant role within the Tennessee Valley Authority's energy portfolio. With a capacity of 159.6 MW, this facility, commissioned in 1943, represents a small yet vital component of the national energy landscape, contributing approximately 0.01% to the total U.S. capacity of 1,386,385 MW. Chickamauga stands out as the 131st largest hydro plant among 1469 in the country, showcasing the importance of hydropower in a predominantly gas-driven energy framework. The plant employs advanced hydroelectric generation technology, utilizing the flow of the Tennessee River to produce clean, renewable energy, which plays a critical role in reducing greenhouse gas emissions compared to fossil fuels. In the immediate vicinity, several notable energy facilities enhance the regional energy infrastructure. The Sequoyah Nuclear Generating Station and its twin, both boasting a capacity of 2441 MW, exemplify the area's nuclear energy dominance. Additionally, the Raccoon Mountain Pumped-Storage Plant, with an impressive 1713.6 MW capacity, utilizes hydroelectric technology to balance supply and demand effectively. Together, these plants create a robust energy cluster that underscores the importance of diverse energy sources in meeting regional electricity needs. Nationally, the U.S. energy profile is heavily influenced by natural gas, which dominates the market; however, hydro plants like Chickamauga provide essential backup and reliability. The Tennessee Valley Authority, which operates this facility, continues to emphasize the need for a balanced energy mix that incorporates renewable sources. Looking ahead, Chickamauga's contribution to the regional grid is expected to be increasingly vital as the U.S. transitions toward a more sustainable energy future, highlighting the facility's ongoing relevance in the fight against climate change.