United States of America

Calderwood— 156.6 MW Hydroelectric

HydroRenewableVerified: Jul 2026

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Calderwood is an important hydroelectric power generation facility located in the United States, ranked 1623rd out of 10,047 plants nationwide. With a capacity of 156.6 MW, it accounts for a small yet significant 0.01% of the United States’ total energy capacity of 1,386,385 MW, where natural gas remains the dominant fuel source. This ranking highlights Calderwood's role as a relatively modest contributor in a landscape dominated by larger gas plants, revealing the challenges and opportunities for hydroelectric facilities in a gas-centric energy market. Utilizing the power of flowing water, Calderwood generates electricity through hydroelectric technology, which is recognized for its renewable nature and low environmental impact compared to fossil fuels. Commissioned in 1932, this facility has been operational for over nine decades, demonstrating the durability and reliability of hydro power as a sustainable energy source. In its geographic context, Calderwood is situated close to several other hydroelectric plants, including the Fontana Dam (254.7 MW), Hiwassee Dam (165.6 MW), and Fort Loudoun (153.3 MW). This clustering of hydroelectric facilities indicates a regional focus on renewable energy, contributing to a robust local energy grid that seeks to balance reliability with sustainability. The presence of these nearby plants underscores a commitment to harnessing water resources effectively, promoting a cleaner energy future. Nationally, the U.S. energy profile is diverse, with over 1,300 hydro plants contributing to the mix. Calderwood, while only responsible for a tiny fraction of the national capacity, plays a vital role in diversifying the energy portfolio and reducing reliance on fossil fuels. The small share of Calderwood in the national context highlights the ongoing need for investment in renewable energy technologies and infrastructure. Operated by Brookfield Smoky Mountain Hydropower LP, Calderwood's long-standing operation since its commissioning emphasizes the importance of maintaining and upgrading hydroelectric facilities to meet modern energy demands. The facility’s operational legacy also reinforces the significance of hydro power in a landscape where sustainability is increasingly prioritized. Looking ahead, Calderwood represents a critical piece in the puzzle of the U.S. energy transition. As renewable energy gains momentum, the hydroelectric facilities like Calderwood will be essential in providing reliable power while contributing to climate change mitigation strategies. The ongoing relevance of Calderwood, combined with its neighboring plants, highlights the potential for continued investment and innovation in hydroelectric power as part of a comprehensive energy strategy.