# Itaipu Dam — World's Largest Cumulative Clean Energy Generator (14,000 MW)
## The Energy Codex
Session 14 | 2026-05-03

14,000 MW, GPS 25.4095S 54.5939W, Paraná River Brazil/Paraguay border. 20 × 700 MW Francis turbines. Owned 50/50 Brazil (ELETROBRAS) and Paraguay (ANDE) via Itaipu Binacional. Construction 1975-1991. Cost ~$20bn. Annual generation 75-103 TWh (record 103 TWh 2016). Supplies 88% of Paraguay's electricity, ~10% of Brazil's. Unique: 18 turbines at 60Hz (Brazil), 2 at 50Hz (Paraguay). Over 2.7 billion MWh total generation (world record). Guaíra Falls flooded 1982. Sources: Itaipu Binacional, IHA, GEM.