The largest hydroelectric power plant in the world for its impressive numbers and grandeur. It took 17 years for the completion of works, which reached its height employed some 40,000 one thousand workers. Itaipu consists of a dam of 8 km long with 20 turbines generating 700 thousand (kw) each, totaling 14 MW of installed capacity, producing 76 billion kw / h per year. Supplies ten Brazilian states including the Federal District, in addition to Paraguay. The mill produces about 25% of energy generated in Brazil and 90% of the electricity consumed in Paraguay. Around the lake created by the dam there are several development projects environmental, biological and shelters advanced programs for the development of agriculture and fish farming. The tour begins in the center of the reception where visitors can watch a video on the explanatory power plant. Soon after the visit is for the main viewpoint verte douro which may include an impressive show of water (when it is open) and also have an overview of the mill. The duration of the tour is 1 hour and a half and can be performed by people with a wheelchair.