November 5th, 1982 (September 20) Saigon, the world's largest hydropower station in the main dam built jointly built by Brazil and Paraguay.

1982, Brazil and Paraguay built the world's largest hydropower project - the main dam of the Itaipu Hydropower Station was officially completed with the two presidents opened 14 gates of the dam. after
When President Figueiredo of Brazil and Paraguay President Stroessner pressing the sluice special device, the Parana river surging rate of 8,000 cubic meters per second rapid out of the gate into the spillway aroused layer layer waves.
this station began construction in 1974, spending $ 14 billion. This station is put into use in 1983, in part. The completion of this station is the cooperation between Latin American countries, a gratifying results in the development of the national economy.
Itaipu hydropower station was built on the Parana River, dam seven kilometers in length, the dam height of 190 meters. Dam full of water, the water storage capacity will reach 29 billion cubic meters, the river north of the dam will appear huge artificial lake with a total area of ​​1350 square kilometers, the lake is more than half in Brazil, less than half in Paraguay.