Brazil

Três Marias Dam— 396 MW Hydroelectric

HydroRenewableVerified: Feb 2026

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The Três Marias Dam, located in Brazil at coordinates -18.2133, -45.2611, is a prominent hydroelectric power generation facility that plays a vital role in the country's energy landscape. With a substantial capacity of 396 MW, this dam is operated by Companhia Energética de Minas Gerais and significantly contributes to Brazil's electricity supply. Hydroelectric power is a cornerstone of Brazil’s energy mix, and the Três Marias Dam exemplifies the country's commitment to harnessing renewable resources. The dam utilizes a conventional hydro generation technology, transforming the kinetic energy of flowing water into electricity, which is both sustainable and eco-friendly. In the operational context, the Três Marias Dam is crucial for balancing supply and demand within the regional grid, particularly during dry seasons when water levels may fluctuate. Its strategic location along the São Francisco River enhances its capacity to deliver energy efficiently across the grid. With Brazil's energy policies increasingly focusing on renewable sources, the importance of hydroelectric facilities like Três Marias becomes even more pronounced, ensuring the nation remains a leader in sustainable energy generation while supporting economic growth and stability.