United States of America

Kentucky Dam— 218.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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Kentucky Dam, a hydroelectric power generation facility with a capacity of 218.6 MW, is a significant piece of the energy puzzle in the United States. Ranked 1300th out of 10,047 plants nationwide, it holds a more specialized position as the 92nd largest hydroelectric facility among 1,469 hydro plants across the country. Although its contribution represents only 0.02% of the national capacity of 1,386,385 MW, Kentucky Dam's historical significance since its commissioning in 1945 by the Tennessee Valley Authority marks it as a cornerstone of renewable energy in the region. The dam harnesses the power of the Tennessee River, utilizing advanced turbine technology to generate electricity sustainably. This facility plays a crucial role in stabilizing the local grid, particularly during peak demand times. Situated near a cluster of other energy facilities, including the Marshall Energy Facility (688 MW, gas), Barkley (130 MW, hydro), and several gas power plants, Kentucky Dam is well-integrated into a diverse energy ecosystem. This proximity to both hydro and gas facilities highlights the region's reliance on a mixed energy portfolio, allowing for flexibility and reliability in power generation. While gas remains the dominant fuel source in the U.S., with a significant share of the total capacity, Kentucky Dam’s place in the energy sector underscores the importance of maintaining a balance between traditional and renewable energy sources. Despite its relatively small share of the national capacity, Kentucky Dam provides essential peak power support and contributes to the overall resilience of the energy grid. As the U.S. continues to transition towards cleaner energy solutions, the significance of established hydro plants like Kentucky Dam will only grow, showcasing the necessity of integrating renewable sources into the energy mix. Looking ahead, this facility is poised to play a vital role in the ongoing efforts to reduce carbon emissions while ensuring a reliable energy supply for the future.