Argentina

Los Reyunos Dam— 224 MW Hydroelectric

HydroRenewableVerified: Feb 2026

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Ranked as the 76th largest power generation facility in Argentina, Los Reyunos Dam holds a significant position in the country’s hydroelectric landscape. With a capacity of 224 MW, it stands as a crucial contributor, accounting for approximately 0.32% of Argentina's total energy capacity of 70,213 MW. As the 26th largest hydro plant among 111 in the nation, Los Reyunos exemplifies the country’s reliance on hydroelectric power, which is the dominant fuel type in Argentina. This facility employs advanced hydroelectric generation technology, utilizing the flow of water to generate electricity, which is not only efficient but also sustainable compared to fossil fuels. Located in the Mendoza province, Los Reyunos Dam is part of a notable cluster of hydro plants within a 50-kilometer radius, including its counterparts: Central Hidroeléctrica Los Reyunos, also 224 MW, and Agua del Toro, with a capacity of 150 MW, among others. This concentration of hydroelectric facilities underscores the region's strategic importance in generating renewable energy. The presence of multiple hydro plants, such as Nihuil 2 Power Plant (139.2 MW) and NIHUIL II (133.12 MW), illustrates an interconnected energy network that enhances grid stability and supports local energy demands. In the broader context of Argentina’s energy profile, the country features a total of 368 plants, showing a diverse energy portfolio, yet heavily leaning towards hydroelectric sources. The operational efficiency and renewable nature of plants like Los Reyunos contribute significantly to Argentina's environmental goals and energy security. Owned and operated by Pampa Energía, Los Reyunos Dam has been a part of the national grid since its commissioning, and its contribution is vital as Argentina aims to transition further towards sustainable energy sources. Looking forward, the importance of hydroelectric power facilities like Los Reyunos will only grow, as they play a crucial role in both economic stability and environmental stewardship.