 The installed capacity is 59 GW.Brazil co-owns the Itaipu hydroelectric power plant on the Paraná River located on the border between Brazil and Paraguay, which is the world's second largest operational hydroelectric power plant with installed generation capacity of 14 GW by 20 generating units of 700 MW each.Due to Brazil's dependence on hydroelectric power and lack of investments in transmission, the reserves were being overused for several years, which led to the dams having a low level of water.