Itaipu Hydroelectric Complex
Geography: Americas · South America · Brazil
Itaipu is a bilateral Brazil-Paraguay dam on the Paraná River that set the world record for annual energy generation in 2016 with 103.1 million MWh. Its 14GW installed capacity makes it the second-largest hydroelectric plant after China's Three Gorges, but Itaipu has produced more cumulative energy due to longer operation.
The dam represents a specific engineering achievement: building one of the world's largest concrete structures in a tropical river with extreme seasonal flow variation. The bilateral governance model — shared 50/50 between two countries — is unique in global energy infrastructure.
Itaipu is part of a broader story: Brazil generates roughly 65% of its electricity from hydropower, giving it one of the cleanest electricity grids among major economies. This clean grid is what makes green hydrogen, electric vehicles, and industrial electrification genuinely low-carbon in Brazil — unlike countries where 'clean' technologies still run on coal-fired electricity.
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