Hydroelectric station Coordinates Capacity (MW) Year completed River Notes Yacyretá 27°28′58″S 56°43′30″W / 27.48278°S 56.72500°W / -27.48278; -56.72500 (Yacyreta Dam ) 3,100 1994 Paraná River Shared with Paraguay Salto Grande 31°16′29″S 57°56′18″W / 31.27472°S 57.93833°W / -31.27472; -57.93833 (Salto Grande Dam ) 1,890 1979 Uruguay River Shared with Uruguay Piedra del Águila 40°11′25″S 69°59′29″W / 40.19028°S 69.99139°W / -40.19028; -69.99139 (Piedra del Águila Dam ) 1,400 1992 Limay River El Chocón 39°15′57″S 68°45′23″W / 39.26583°S 68.75639°W / -39.26583; -68.75639 (El Chocon Dam ) 1,260 1973 Limay River Condor Cliff 1,140 Under construction Santa Cruz River Alicurá 40°35′10″S 70°45′09″W / 40.58611°S 70.75250°W / -40.58611; -70.75250 (Alicurá Dam ) 1,050 1985 Limay River Río Grande 32°13′27.5″S 64°37′56″W / 32.224306°S 64.63222°W / -32.224306; -64.63222 750 1986 Tercero River Pumped-storage power plant La Barrancosa 600 Under construction Santa Cruz River Futaleufú 43°07′37.6″S 71°38′12.7″W / 43.127111°S 71.636861°W / -43.127111; -71.636861 472 1978 Futaleufú River Planicie Banderita (Cerros Colorados) 38°33′37.1″S 68°28′28.3″W / 38.560306°S 68.474528°W / -38.560306; -68.474528 472 1978 Neuquén River Pichi Picún Leufú 40°00′41.1″S 69°59′24.9″W / 40.011417°S 69.990250°W / -40.011417; -69.990250 285 2000 Limay River Los Reyunos 34°36′07.8″S 68°38′24.2″W / 34.602167°S 68.640056°W / -34.602167; -68.640056 224 1983 Diamante River Pumped-storage power plant Agua del Toro 34°35′04.7″S 69°02′10.2″W / 34.584639°S 69.036167°W / -34.584639; -69.036167 150 1982 Diamante River Arroyito 39°06′25.2″S 68°35′07.8″W / 39.107000°S 68.585500°W / -39.107000; -68.585500 127.8 1979 Limay River Los Caracoles 31°31′01.3″S 68°58′04.5″W / 31.517028°S 68.967917°W / -31.517028; -68.967917 121.4 2009 San Juan River Cacheuta (Potrerillos) 33°01′38.8″S 69°06′45.3″W / 33.027444°S 69.112583°W / -33.027444; -69.112583 120 2003 Mendoza River Urugua-í 25°52′33.7″S 54°33′45.6″W / 25.876028°S 54.562667°W / -25.876028; -54.562667 120 1991 Urugua-í River Nihuil II (Aisol) 34°54′44.5″S 68°37′24.9″W / 34.912361°S 68.623583°W / -34.912361; -68.623583 110 1968 Atuel River Manuel Belgrano (Cabra Corral) 25°16′11.6″S 65°19′48.1″W / 25.269889°S 65.330028°W / -25.269889; -65.330028 100.5 1973 Salado River Nihuil I (El Nihuil) 34°59′41.3″S 68°37′50″W / 34.994806°S 68.63056°W / -34.994806; -68.63056 72 1947 Atuel River El Tambolar 75 Under construction San Juan River Punta Negra 31°30′59.7″S 68°48′53.2″W / 31.516583°S 68.814778°W / -31.516583; -68.814778 62 2015 San Juan River Álvarez Condarco (Potrerillos) 33°02′39.8″S 69°03′04.5″W / 33.044389°S 69.051250°W / -33.044389; -69.051250 61 2003 Mendoza River Casa de Piedra 38°12′52.5″S 67°11′26.9″W / 38.214583°S 67.190806°W / -38.214583; -67.190806 60 1996 Colorado River Los Molinos I 31°50′16.9″S 64°26′43.5″W / 31.838028°S 64.445417°W / -31.838028; -64.445417 52 1953 Segundo River Florentino Ameghino 43°41′57.7″S 66°28′56.2″W / 43.699361°S 66.482278°W / -43.699361; -66.482278 46.8 1963 Chubut River Quebrada de Ullum 31°28′27.1″S 68°38′52″W / 31.474194°S 68.64778°W / -31.474194; -68.64778 45 1980 San Juan River Nihuil III (Tierras Blancas) 34°52′56.7″S 68°34′30.8″W / 34.882417°S 68.575222°W / -34.882417; -68.575222 42 1971 Atuel River Ullum 31°27′20.1″S 68°45′21.9″W / 31.455583°S 68.756083°W / -31.455583; -68.756083 42 San Juan River Benjamín Reolín 32°11′27.7″S 64°19′23.2″W / 32.191028°S 64.323111°W / -32.191028; -64.323111 33 Tercero River Las Maderas 24°26′37″S 65°13′07.8″W / 24.44361°S 65.218833°W / -24.44361; -65.218833 30.6 Perico River Batiruana (Escaba) 27°38′13.7″S 65°44′51.8″W / 27.637139°S 65.747722°W / -27.637139; -65.747722 24 1948 Marapa River San Roque 31°21′11.9″S 64°23′37.5″W / 31.353306°S 64.393750°W / -31.353306; -64.393750 24 1944 Primero River Nihuil IV (Valle Grande) 34°50′00″S 68°30′52.1″W / 34.83333°S 68.514472°W / -34.83333; -68.514472 18 1965 Atuel River El Carrizal 33°17′57.1″S 68°43′11.8″W / 33.299194°S 68.719944°W / -33.299194; -68.719944 17 1971 Tunuyán River Ingeniero Cassafousth 32°10′30.7″S 64°22′27.1″W / 32.175194°S 64.374194°W / -32.175194; -64.374194 16.2 1954 Tercero River La Viña 31°52′15.3″S 65°02′07.5″W / 31.870917°S 65.035417°W / -31.870917; -65.035417 16 1959 Río de los Sauces River Pueblo Viejo 15 1968 Pueblo Viejo River Río Hondo 27°31′21.7″S 64°53′10.7″W / 27.522694°S 64.886306°W / -27.522694; -64.886306 15 1967 Dulce River El Tigre 34°36′31.4″S 68°36′48.5″W / 34.608722°S 68.613472°W / -34.608722; -68.613472 14 1983 Diamante River Celestino Gelsi (El Cadillal) 26°37′11.6″S 65°11′12.2″W / 26.619889°S 65.186722°W / -26.619889; -65.186722 12.6 1966 Salí River Cuesta del Viento 30°11′45.9″S 69°03′45.3″W / 30.196083°S 69.062583°W / -30.196083; -69.062583 10.55 1997 Jáchal River Martín Miguel de Güemes (El Tunal) 25°13′39.2″S 64°28′35.6″W / 25.227556°S 64.476556°W / -25.227556; -64.476556 10.52 1972 Salado River Fitz Simon (Embalse) 32°10′43″S 64°25′16″W / 32.17861°S 64.42111°W / -32.17861; -64.42111 10.5 1955 Tercero River Los Divisaderos 37°52′18.4″S 67°41′22.5″W / 37.871778°S 67.689583°W / -37.871778; -67.689583 10 1980 Colorado River Hydroelectric plant on irrigation canal Salto Andersen 38°49′17″S 64°49′01.8″W / 38.82139°S 64.817167°W / -38.82139; -64.817167 7.86 2011 Colorado River Río Reyes 24°10′10.2″S 65°29′30.2″W / 24.169500°S 65.491722°W / -24.169500; -65.491722 7 Reyes River Los Coroneles 34°36′00.3″S 68°31′41.6″W / 34.600083°S 68.528222°W / -34.600083; -68.528222 6.64 1970 Diamante River Hydroelectric plant on irrigation canal General San Martín 33°02′41.4″S 68°55′19″W / 33.044833°S 68.92194°W / -33.044833; -68.92194 6.48 1950 Mendoza River Hydroelectric plant on irrigation canal Piedras Moras 32°10′03.5″S 64°14′37.5″W / 32.167639°S 64.243750°W / -32.167639; -64.243750 6.3 1979 Tercero River Julián Romero 38°50′11.9″S 68°02′15.4″W / 38.836639°S 68.037611°W / -38.836639; -68.037611 6.2 Neuquén River Hydroelectric plant on irrigation canal César Cipolletti 38°54′47.3″S 67°56′31.2″W / 38.913139°S 67.942000°W / -38.913139; -67.942000 5.4 1956 Neuquén River Hydroelectric plant on irrigation canal Guillermo Céspedes 39°33′35.8″S 65°40′55″W / 39.559944°S 65.68194°W / -39.559944; -65.68194 5.2 1963 Negro River Hydroelectric plant on irrigation canal Los Molinos II 31°50′35.5″S 64°24′53.8″W / 31.843194°S 64.414944°W / -31.843194; -64.414944 4.5 1954 Segundo River La Calera 31°21′08.6″S 64°20′00.2″W / 31.352389°S 64.333389°W / -31.352389; -64.333389 4 1911 Primero River La Florida 33°06′48.3″S 66°00′09.4″W / 33.113417°S 66.002611°W / -33.113417; -66.002611 2.4 1953 Quinto River Loma Atravesada 41°49′05.2″S 71°31′57.8″W / 41.818111°S 71.532722°W / -41.818111; -71.532722 2 Azul River Los Quiroga 27°41′30.4″S 64°18′30″W / 27.691778°S 64.30833°W / -27.691778; -64.30833 2 1963 Dulce River Hydroelectric plant on irrigation canal La Lujanita 33°02′19.6″S 68°54′19.5″W / 33.038778°S 68.905417°W / -33.038778; -68.905417 1.7 Mendoza River Hydroelectric plant on irrigation canal General Roca 39°01′24.3″S 67°34′10″W / 39.023417°S 67.56944°W / -39.023417; -67.56944 1.2 Negro River Hydroelectric plant on irrigation canal Saladillo 33°10′41.5″S 65°54′23.5″W / 33.178194°S 65.906528°W / -33.178194; -65.906528 1.2 2011 Quinto River Salto de la Loma 30°13′15.4″S 68°46′16.8″W / 30.220944°S 68.771333°W / -30.220944; -68.771333 1.2 Jáchal River Hydroelectric plant on irrigation canal Cruz del Eje 30°45′54.9″S 64°45′17.6″W / 30.765250°S 64.754889°W / -30.765250; -64.754889 1.1 1943 Cruz del Eje River Luján de Cuyo 33°03′09.1″S 68°58′54.3″W / 33.052528°S 68.981750°W / -33.052528; -68.981750 1 2013 Mendoza River Hydroelectric plant on irrigation canal