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.
| Name | State | Operational | Reservoir (km2) | Installed capacity (MW) | Notes | |
|---|---|---|---|---|---|---|
| 1978 | 647 | 1,396 | ||||
| 2013 | 15 | 333 | ||||
| 1989 | 2,360 | 250 | ||||
| 2005 | 94 | 708 | ||||
| 440 | 11,233 | Under construction | ||||
| 1980 | 167 | 1,676 | ||||
| 1935 | 127 | - | Reservoir | |||
| 2002 | ||||||
| 2006 | 880 | |||||
| 1978 | 515 | 619 | ||||
| 2003 | 360 | Reservoir | ||||
| 616 | 3,336 | Planned | ||||
| 1967 | 24 | - | Reservoir | |||
| 2015 (est.) | 183 | 307 | ||||
| 2001 | 21 | 250 | ||||
| 1983 | 703 | 1,192 | ||||
| 1999 | 2,250 | 1,540 | ||||
| 1968 | 330 | 1,551 | ||||
| 1969 | ||||||
| 1963 | 1,473 | 1,216 | ||||
| 642 | 1,152 | Planned | ||||
| 1906 | 27 | - | Reservoir | |||
| 1973 | 1,195 | 3,444 | ||||
| 2006 | 137 | 360 | ||||
| 2000 | 141 | 1,450 | ||||
| 1984 | 1,350 | 14,000 | ||||
| 1980 | 778 | 2,082 | ||||
| 1914 | 936 | 55 | ||||
| 1971 | 424 | |||||
| 646 | 2,338 | Planned | ||||
| 2013 | 258 | 3,075 | Under construction | |||
| 1999 | 180 | 1,240 | ||||
| 1969 | 47 | 1,050 | ||||
| 1988 | 830 | 1,479 | ||||
| 2002 | 79 | 1,140 | ||||
| 1999 | 427 | 212 | ||||
| 1975 | 438 | 1,440 | ||||
| 1889 | - | 0.25 | Decommissioned in 1896 | |||
| 2012 | 84 | 361 | ||||
| 1992 | 1,260 | |||||
| 1982 | 210 | 347 | ||||
| - | Reservoir; Under construction | |||||
| 1961 | - | Reservoir | ||||
| 327 | 1,048 | Planned | ||||
| 1979 | 1,600 | 4,279 | ||||
| 1968 | 250 | 476 | ||||
| 1975 | 51 | 1,078 | ||||
| 1980 | 208 | 2,137 | ||||
| 1989 | 560 | 216 | ||||
| 2012 | 271 | 2,498 | ||||
| 1978 | 703 | 1,710 | ||||
| 1998 | 1,784 | 1,275 | ||||
| 1979 | 4,220 | 1,050 | ||||
| 2016 | 151 | 1,820 | ||||
| 1991 | 785 | 807 | ||||
| 1961 | 1,040 | 387 | ||||
| 1984 | 2,850 | 8,370 | ||||
| 1974 | 380 | |||||
| 1994 | 60 | 3,162 |