United States of America

Douglas Dam— 150.8 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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The Douglas Dam stands as the 1655th largest power generation facility across the United States, with a hydroelectric capacity of 150.8 MW. This facility is ranked 140th among the 1469 hydro plants in the country, contributing a mere 0.01% to the national energy capacity of 1,386,385 MW. Commissioned in 1947 and operated by the Tennessee Valley Authority, Douglas Dam exemplifies the early mid-20th century commitment to harnessing water resources for energy production. The dam utilizes a traditional hydro generation technology that converts the kinetic energy of flowing water into electrical energy, providing a renewable energy source that is both efficient and reliable. Situated within proximity to the 135 MW Cherokee Dam and the University of Tennessee Steam Plant, which operates on natural gas with a capacity of 5 MW, Douglas Dam is part of a diverse energy landscape that includes both hydro and thermal generation. The surrounding area is characterized by a mix of energy sources, underscoring the importance of such facilities in ensuring grid stability. In the context of the U.S. energy profile, with over 10,000 power generation facilities, the overwhelming reliance on natural gas highlights a critical need for diversification. Douglas Dam's contribution, while small in percentage terms, is significant as it represents the ongoing efforts to integrate renewable resources into the energy mix. Looking forward, the continued operation of Douglas Dam is essential for supporting local energy needs while contributing to broader environmental goals. Its legacy as a renewable energy source is crucial as the country moves toward a more sustainable energy future.