Many of the dams and reservoirs in Brazil listed below are used primarily used to produce hydroelectric power. Other uses include flood control, irrigation and fisheries.
List
| Name | State | Operational | Reservoir (km2) | Installed capacity (MW) | Notes |
| Água Vermelha Dam | Minas Gerais São Paulo | 1978 | 647 | 1,396 | |
| Anta Dam (Simplício) | Rio de Janeiro Minas Gerais | 2013 | 15 | 333 | |
| Balbina Dam | Amazonas | 1989 | 2,360 | 250 | |
| Barra Grande Dam | Santa Catarina Rio Grande do Sul | 2005 | 94 | 708 | |
| Belo Monte Dam | Pará | 2019 | 440 | 11,233 | |
| Bento Munhoz da Rocha Netto Dam | Paraná | 1980 | 167 | 1,676 | |
| Billings Dam | São Paulo | 1935 | 127 | - | Reservoir |
| Camará Dam | Paraíba | 2002 | | | |
| Campos Novos Dam | Santa Catarina | 2006 | | 880 | |
| Capivara Dam | São Paulo Paraná | 1978 | 515 | 619 | |
| Castanhão Dam | Ceará | 2003 | 360 | | Reservoir |
| Chacorão Dam | Amazonas Pará | | 616 | 3,336 | Planned |
| Cocorobó Dam | Bahia | 1967 | 24 | - | Reservoir |
| Colíder Dam | Mato Grosso | 2015 (est.) | 183 | 307 | |
| Dona Francisca Dam | Rio Grande do Sul | 2001 | 21 | 250 | |
| Emborcação Dam | Minas Gerais | 1983 | 703 | 1,192 | |
| Eng Sérgio Motta Dam | São Paulo | 1999 | 2,250 | 1,540 | |
| Eng Souza Dias Dam | Mato Grosso do Sul | 1968 | 330 | 1,551 | |
| Funil Dam | Rio de Janeiro São Paulo | 1969 | | | |
| Furnas Dam | Minas Gerais | 1963 | 1,473 | 1,216 | |
| Garabí Dam | Rio Grande do Sul | | 642 | 1,152 | Planned |
| Guarapiranga | São Paulo | 1906 | 27 | - | Reservoir |
| Ilha Solteira Dam | São Paulo | 1973 | 1,195 | 3,444 | |
| Irapé Dam | Minas Gerais | 2006 | 137 | 360 | |
| Itá Dam | Santa Catarina Rio Grande do Sul | 2000 | 141 | 1,450 | |
| Itaipu Dam | Paraná | 1984 | 1,350 | 14,000 | |
| Itumbiara Dam | Goiás | 1980 | 778 | 2,082 | |
| Itupararanga Dam | São Paulo | 1914 | 936 | 55 | |
| Jaguara Dam | Minas Gerais São Paulo | 1971 | | 424 | |
| Jatobá Dam | Pará | | 646 | 2,338 | Planned |
| Jirau Dam | Rondônia | 2013 | 258 | 3,075 | Under construction |
| José Richa Dam | Paraná | 1999 | 180 | 1,240 | |
| Luiz Barreto Dam | São Paulo | 1969 | 47 | 1,050 | |
| Luiz Gonzaga Dam | Pernambuco | 1988 | 830 | 1,479 | |
| Machadinho Dam | Santa Catarina Rio Grande do Sul | 2002 | 79 | 1,140 | |
| Manso Dam | Mato Grosso | 1999 | 427 | 212 | |
| Marimbondo Dam | Minas Gerais | 1975 | 438 | 1,440 | |
| Marmelos Zero Power Plant | Minas Gerais | 1889 | - | 0.25 | Decommissioned in 1896 |
| Mauá Dam | Paraná | 2012 | 84 | 361 | |
| Ney Braga de Barros Dam | Paraná | 1992 | | 1,260 | |
| Nova Avanhandava Dam | São Paulo | 1982 | 210 | 347 | |
| Oiticica Dam | Rio Grande do Norte | | | - | Reservoir; under construction |
| Orós Dam | Ceará | 1961 | | - | Reservoir |
| Panambí Dam | Rio Grande do Sul | | 327 | 1,048 | Planned |
| Paulo Afonso Hydroelectric Complex | Bahia | 1979 | 1,600 | 4,279 | |
| Peixotos Dam | Minas Gerais | 1968 | 250 | 476 | |
| Salto Osório Dam | Paraná | 1975 | 51 | 1,078 | |
| Salto Santiago Dam | Paraná | 1980 | 208 | 2,137 | |
| Samuel Hydroelectric Dam | Rondônia | 1989 | 560 | 216 | |
| Santo Antônio Dam | Rondônia | 2012 | 271 | 2,498 | |
| São Simão Dam | Goiás Minas Gerais | 1978 | 703 | 1,710 | |
| Serra da Mesa Dam | Goiás | 1998 | 1,784 | 1,275 | |
| Sobradinho Dam | Bahia | 1979 | 4,220 | 1,050 | |
| Teles Pires Dam | Mato Grosso Pará | 2016 | 151 | 1,820 | |
| Três Irmãos Dam | São Paulo | 1991 | 785 | 807 | |
| Três Marias Dam | Minas Gerais | 1961 | 1,040 | 387 | |
| Tucuruí Dam | Pará | 1984 | 2,850 | 8,370 | |
| Volta Grande Dam | Minas Gerais São Paulo | 1974 | | 380 | |
| Xingó Dam | Alagoas Sergipe | 1994 | 60 | 3,162 | |
See also
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| Africa | | |
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| Asia | |
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| Australasia | |
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| Europe | |
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| North America | |
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| South America | - Argentina
- Chile
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