United States of America

Hiwassee Dam— 165.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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The Hiwassee Dam, with a capacity of 165.6 MW, ranks as the 1573rd largest power generation facility in the United States. Commissioned in 1949, this hydroelectric plant is operated by the Tennessee Valley Authority and represents a crucial slice of the nation’s energy portfolio, contributing 0.01% to the total capacity of 1,386,385 MW. Despite being a smaller player in the hydro sector, ranked 125th among 1469 hydro plants in the country, Hiwassee holds significant importance in the local energy landscape. Utilizing the force of flowing water to generate electricity, Hiwassee Dam employs a traditional hydroelectric technology that harnesses kinetic energy. The facility's operational methodology includes water being released from a reservoir to turn turbines, which in turn generate electricity. This renewable energy source is key to reducing reliance on fossil fuels, especially in a country where gas is the dominant fuel type. Hiwassee is located within a picturesque region that features several other hydroelectric plants, establishing a local energy cluster. Nearby facilities include the Fontana Dam, which has a larger capacity of 254.7 MW, and the Calderwood Dam, generating 156.6 MW. Other smaller hydro facilities like Cheoah at 140 MW, Apalachia at 93.6 MW, and Chilhowee at 49.8 MW further contribute to the area's renewable energy output. This cluster of hydro plants not only enhances the local grid's resilience but also reflects the region's commitment to renewable energy. Within the broader context of the national energy profile, the United States operates over 10,000 power plants, with gas as the primary fuel source. The presence of Hiwassee Dam underscores the importance of hydroelectric energy as a clean alternative, particularly as demand for sustainable energy solutions rises. While its contribution may seem small on a national scale, each megawatt produced by Hiwassee adds to the overall mix, promoting energy diversification. As the nation continues to navigate the challenges of energy production and environmental sustainability, Hiwassee Dam stands as a testament to the longevity and reliability of hydroelectric power. Its historical roots and ongoing operation are vital in shaping future energy policies and practices, as the industry moves towards greener solutions to meet the evolving energy needs of the American populace.