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Central Fecha Capacidad neta

Entradas La Junca (Menores Bogotá) Ene/1/2005 19.40Santa Ana (Menores Bogotá) Jun/9/2005 8.00Unidad 2 de Mirolindo (Menores Tolima) Jul/17/2005 1.20

Total Entradas 28.60

Variaciones Menores CQR (El Bosque) Ene/1/2005 0.0300Menores Bogotá Ago/29/2005 -8.0000Santa Ana (Administrador: Betania) Ago/29/2005 8.0000Santa Ana (Administrador: Betania) Dic/1/2005 -8.0000Santa Ana (Administrador: Emgesa) Dic/1/2005 8.0000Menores CQR (El Bosque) Dic/1/2005 -0.0300Menores Cauca (Patico La Cabrera) Dic/1/2005 0.0800Menores Nordeste (Cascada) Dic/1/2005 0.7000Menores Nordeste (Palmas San Gil) Dic/1/2005 4.8000Menores Huila (Pastales) Dic/1/2005 -0.1000Menores Huila (Rio Recio) Dic/1/2005 -0.1700Urrá 3 Dic/1/2005 1.0000Menores Huila (Ventanas) Dic/1/2005 -1.0000Menores Antioquia (La Vuelta) Dic/1/2005 -0.2000Florida II (pasa a ser planta menor) Dic/1/2005 -6.1000

Total Variaciones Dic/1/2005 -0.9900Total Neto Hidráulicas 27.61

Entradas Termoyopal 1 Mar/11/2005 19.00Total Entradas 19.00

Retiros Termo Ocoa Ene/1/2005 -19.90Barranca 3 Ene/28/2005 -63.00

Total Retiros Térmicos -82.90

Variaciones Palenque 3 Dic/1/2005 1.00Termo Valle 1 Dic/1/2005 2.00Zipa 3 Dic/1/2005 1.00Zipa 4 Dic/1/2005 1.00Termo Piedras Dic/1/2005 0.75Termoyopal 1 Dic/1/2005 0.46Cogenerador Bioaise Dic/1/2005 -1.60Cogenerador Ingenio Providencia Dic/1/2005 -1.60Cogenerador Ingenio Proenca Dic/1/2005 -1.00Cogenerador Ingenio Rio Paila Dic/1/2005 -1.50TermoSierra Dic/21/2005 -5.00

Total Variaciones -4.49

Total Neto Térmicas -68.39

Variaciones Menor Jepírachi Dec/01/2005 -9.70Total Entradas -9.70

Total Neto Eólica -9.70-50.48

Variaciones de capacidad (MW) 2005

Hidráulicas

Térmicas

Total variaciones de capacidad SIN

Eólica

Administrador Hidráulica %(1) Térmica %

(2) Eólica %(3) Total

Bioaise (4) 0.00 0.00 0.00Central Hidroeléctrica de Betania S.A. (CHB) (5) 546.75 6.11 546.75Central Hidroeléctrcia de Caldas S.A. (CHEC) 212.35 2.37 51.00 1.16 263.35Centrales Eléctricas de Nariño S.A. (Cedenar) 28.33 0.32 28.33Centrales Eléctricas del Cauca S.A. (Cedelca) 29.72 0.33 29.72Chivor S.A. 1,000.00 11.18 1,000.00Compañía de Electricidad de Tuluá S.A.(Cetsa) 13.00 0.15 13.00Corporacion Eléctrica de la Costa Atlántica (Corelca) 1,339.00 30.46 1,339.00Electrificadora del Santander S.A. E.S.P. (ESSA) (6) 22.70 0.25 14.00 0.32 36.70Emgesa S.A. E.S.P. 1,879.00 21.01 225.00 5.12 2,104.00Empresa Urrá E.S.P. 335.00 3.75 335.00Empresa Antioqueña de Energía S.A. E.S.P. (Eade) (7) 48.20 0.54 48.20Gestión Energética S.A. E.S.P. (Gensa) (8) 314.00 7.14 314.00Empresa Generadora de Energía del Tolima S.A. E.S.P. (Egetsa) 59.67 0.67 59.67

Empresa de Energía del Pacífico S.A. E.S.P. (EPSA) (9) 863.00 9.65 215.00 4.89 1,078.00Empresa de Generación de Cali S.A. E.S.P. (Genercali) 233.00 5.30 233.00Generadora Colombiana de Electricidad 0.38 0.00 0.38Empresas Públicas de Medellín (EPM) 2,097.83 23.46 455.00 10.35 9.80 100.00 2,562.63Energía e Ingeniería Energing S.A. E.S.P. (Energing) 1.00 0.01 1.00Electrificadora del Meta S.A. (Emsa) 0.00 0.00 0.00Ingenio Risaralda S.A. (Irisa) (4) 5.50 0.13 5.50Isagen S.A. E.S.P. 1,806.00 20.19 285.00 6.48 2,091.00Meriléctrica S.A. & CIA. S.C.A. E.S.P. 169.00 3.84 169.00Proeléctrica & CIA. S.C.A. E.S.P. 90.00 2.05 90.00Proyectos Energéticos del Cauca S.A.(Proenca) (4) 4.00 0.09 4.00Termocandelaria S.C.A. E.S.P. 314.00 7.14 314.00Termocartagena S.C.A. E.S.P. 187.00 4.25 187.00Termoflores S.A. E.S.P. 287.00 6.53 287.00Termopiedras S.A. E.S.P. 3.75 0.09 3.75Termotasajero S.A E.S.P. 155.00 3.53 155.00Termoyopal Generacion S.A. 49.46 1.13 49.46Total 8,942.93 4,395.71 9.80 13,348.44Nota:(1) : Porcentaje con respecto a la capacidad hidráulica total.(2) : Porcentaje con respecto a la capacidad térmica total.(3) : Porcentaje con respecto a la capacidad eólica total.(4) : Cogenerador no despachado centralmente.(5) : Incluye a menores del Huila(6) : Incluye Menores Nordeste(7) : Incluye a la menor Rio Piedras(8) : Hasta el 31 de octubre de 2005, Empresa de Energía de Boyacá (EBSA) era el representante comercial de las unidades 1,2,3 y 4 de TermoPaiopa. A partir del 1 de noviembre de 2005, el representante de dichas plantas es GENSA S.A. E.S.P.(9) : Incluye a los cogeneradores Incauca, Ingenio Providencia, Ingenio Riopaila y Central Castilla.

Capacidades efectivas netas por empresa (MW)a diciembre 31 de 2005

Nota: Incluye plantas despachadas centralmente y no despachadas centralmente.

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HIDRÁULICA TÉRMICA

Composición de la capacidad efectiva neta Diciembre 31 de 2005

MW

Térmica4,395.71 MW

32.93% Hidráulica8,942.93 MW

67.00%

Eólica9.80 MW

0.07%

Total Sistema 13,348.44 MW

Demanda máxima, disponibililidad media y capacidad efectiva neta2005

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Capacidad efectiva neta promedio

Dic-04 Ene-05 Feb-05 Mar-05 Abr-05 May-05 Jun-05 Jul-05 Ago-05 Sep-05 Oct-05 Nov-05 Dic-05

Junio/05Men. Bogotá (Santa Ana, 8 MW)

Enero/05Men. Bogotá (La Junca, 19,4 MW)Men. CQR (El Bosque, 0,03 MW)Men. Termo Ocoa (-19,9 MW)Barranca3 (-63 MW)

Marzo/05Termo Yopal 1 (19 MW)

Julio/05Men. Tolima (Mirolindo Un. 2, 1,2 MW)

Diciembre/05Men. Betania (Santa Ana, -8 MW).Santa Ana, (8 MW)Jepírachi (-9,7 MW)Termo Sierra (-5 MW)Florida II (-6,1 MW)Men. Nordeste (5,5 MW)Otros... -0,09 MW

Agosto/05Men. Bogotá (Santa Ana, -8 MW).Men. Betania (Santa Ana, 8 MW)

Generación de energía2005

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Generación de energía plantas no despachadas centralmente2005

Térmica menor Cogenerador

GWh

Hidráulica Eólica

Administrador Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalBioaise Cogenerador Bioaise 1 (1) 0.57 0.41 0.37 0.37 0.33 0.36 0.15 0.39 0.38 0.31 0.46 0.38 4.49

Total térmica 0.57 0.41 0.37 0.37 0.33 0.36 0.15 0.39 0.38 0.31 0.46 0.38 4.49Total generación 0.57 0.41 0.37 0.37 0.33 0.36 0.15 0.39 0.38 0.31 0.46 0.38 4.49

Cedelca Florida 6.23 7.28 5.68 8.45 6.88 8.11 9.43 9.05 7.43 6.54 7.63 8.42 91.14Menores Cauca 3.10 2.78 3.17 3.29 3.80 5.30 4.68 3.83 3.27 4.81 3.86 3.44 45.34Total hidráulica 9.33 10.06 8.85 11.74 10.68 13.41 14.12 12.88 10.70 11.35 11.48 11.87 136.48Total generación 9.33 10.06 8.85 11.74 10.68 13.41 14.12 12.88 10.70 11.35 11.48 11.87 136.48

Cedenar Menores Nariño 2.34 3.02 4.17 3.52 3.83 3.60 2.69 2.74 2.55 2.16 3.27 3.47 37.35Rio Mayo 9.64 8.86 9.88 8.62 9.07 10.13 10.27 9.54 7.81 7.03 10.40 11.30 112.55Total hidráulica 11.97 11.88 14.05 12.14 12.90 13.73 12.95 12.28 10.37 9.19 13.67 14.77 149.90Total generación 11.97 11.88 14.05 12.14 12.90 13.73 12.95 12.28 10.37 9.19 13.67 14.77 149.90

Cetsa Menores Tuluá 6.45 6.26 6.55 6.10 7.92 6.40 4.13 3.67 3.33 5.87 8.72 8.98 74.37Total hidráulica 6.45 6.26 6.55 6.10 7.92 6.40 4.13 3.67 3.33 5.87 8.72 8.98 74.37Total generación 6.45 6.26 6.55 6.10 7.92 6.40 4.13 3.67 3.33 5.87 8.72 8.98 74.37

CHB Betania 107.97 147.98 187.57 161.88 206.50 217.44 203.33 205.82 133.25 130.86 181.74 215.92 2,100.26Menores Huila 3.42 2.80 3.25 3.04 2.44 2.66 3.32 3.09 2.90 2.46 2.86 3.43 35.66Total hidráulica 111.39 150.79 190.82 164.92 208.94 220.10 206.65 208.91 136.15 133.32 184.60 219.35 2,135.92Total generación 111.39 150.79 190.82 164.92 208.94 220.10 206.65 208.91 136.15 133.32 184.60 219.35 2,135.92

Chec Esmeralda 20.77 18.64 18.99 19.07 18.81 19.93 18.68 14.53 14.20 19.72 18.30 20.90 222.53Menores C Q R 19.27 18.79 19.99 19.15 16.11 15.51 13.67 12.76 12.71 17.54 16.47 16.08 198.05San Francisco 25.92 23.26 26.28 24.75 26.32 28.44 24.01 17.88 16.81 25.98 27.77 27.02 294.46Total hidráulica 65.96 60.69 65.26 62.96 61.24 63.88 56.37 45.17 43.72 63.24 62.54 64.00 715.04Termodorada 1 0.64 0.00 0.05 4.28 18.67 3.13 4.48 1.04 2.48 0.83 0.43 0.78 36.80Total térmica 0.64 0.00 0.05 4.28 18.67 3.13 4.48 1.04 2.48 0.83 0.43 0.78 36.80Total generación 66.59 60.69 65.31 67.24 79.91 67.01 60.86 46.22 46.20 64.06 62.97 64.78 751.84

Chivor Chivor 293.92 267.15 303.24 325.54 378.24 417.59 303.12 413.44 523.97 355.06 464.28 139.49 4,185.05Total hidráulica 293.92 267.15 303.24 325.54 378.24 417.59 303.12 413.44 523.97 355.06 464.28 139.49 4,185.05Total generación 293.92 267.15 303.24 325.54 378.24 417.59 303.12 413.44 523.97 355.06 464.28 139.49 4,185.05

Corelca Barranquilla 3 2.67 7.50 13.54 15.16 3.41 9.81 4.99 2.35 9.66 0.00 2.62 4.93 76.65Barranquilla 4 1.81 1.30 2.54 9.11 2.75 7.64 2.08 1.52 11.95 0.76 6.85 4.51 52.81Flores 1 68.46 66.32 65.92 55.04 38.12 39.30 81.82 81.44 84.88 80.44 76.07 48.31 786.12Guajira 1 26.88 13.28 0.00 14.61 38.75 17.68 0.00 0.42 34.34 0.02 18.35 12.98 177.30Guajira 2 13.31 7.24 7.14 3.63 3.48 3.00 7.67 0.00 3.40 6.82 0.00 15.95 71.66TebsaB 263.38 311.22 375.64 479.96 271.39 333.52 338.21 429.06 396.15 240.22 264.92 321.20 4,024.87Total térmica 376.51 406.87 464.77 577.50 357.90 410.96 434.78 514.77 540.39 328.26 368.81 407.88 5,189.40Total generación 376.51 406.87 464.77 577.50 357.90 410.96 434.78 514.77 540.39 328.26 368.81 407.88 5,189.40

Eade Menores EADE 16.62 14.17 16.19 14.51 17.19 16.09 15.89 14.03 13.88 14.69 15.85 17.77 186.86Rio Piedras 8.83 5.77 8.92 13.31 14.62 14.63 14.51 11.32 11.14 14.77 14.58 15.10 147.49Total hidráulica 25.45 19.94 25.10 27.82 31.81 30.71 30.40 25.35 25.02 29.46 30.43 32.87 334.36Total generación 25.45 19.94 25.10 27.82 31.81 30.71 30.40 25.35 25.02 29.46 30.43 32.87 334.36

Gensa (2) Paipa 1 16.80 2.26 0.00 0.00 0.00 0.00 12.63 15.04 16.57 13.18 4.51 7.08 88.07Paipa 2 39.86 23.87 0.00 0.00 8.72 4.71 3.00 35.12 33.04 34.69 30.71 38.20 251.93Paipa 3 0.00 6.56 0.00 0.42 17.85 1.66 0.00 0.00 12.72 48.11 16.20 37.08 140.59Paipa 4 86.36 39.04 49.66 45.18 110.98 67.14 112.48 93.70 104.42 67.85 6.47 112.17 895.46Total térmica 143.02 71.73 49.66 45.60 137.55 73.51 128.10 143.86 166.74 163.84 57.89 194.53 1,376.05Total generación 143.02 71.73 49.66 45.60 137.55 73.51 128.10 143.86 166.74 163.84 57.89 194.53 1,376.05

EEPPM Guatapé 309.82 313.94 334.12 250.94 196.18 144.20 253.22 339.45 302.06 320.17 77.02 254.00 3,095.13Guatron 184.65 157.40 193.23 242.40 228.81 212.79 238.99 219.92 201.67 235.38 219.38 180.37 2,514.98La Tasajera 147.17 116.98 106.60 105.07 161.09 129.90 142.55 127.88 53.18 34.55 178.66 166.78 1,470.41Menores Antioquia 35.49 28.29 30.85 43.46 48.21 44.65 44.77 37.37 37.91 45.47 42.52 41.84 480.83Playas 133.34 117.18 136.70 115.01 125.27 102.76 145.92 123.71 120.08 146.20 115.23 127.57 1,508.97Porce II 127.45 78.40 100.55 114.79 188.38 160.36 138.00 113.16 103.13 170.07 210.59 133.27 1,638.16Riogrande I 0.81 0.88 0.65 0.74 1.07 0.76 0.85 0.90 1.00 1.20 5.81 0.67 15.34Total hidráulica 938.73 813.07 902.69 872.41 949.02 795.42 964.31 962.38 819.03 953.04 849.20 904.52 10,723.82TermosierraB 65.47 46.01 36.63 44.22 0.00 30.95 70.38 7.42 74.00 21.90 0.00 11.10 408.09Total térmica 65.47 46.01 36.63 44.22 0.00 30.95 70.38 7.42 74.00 21.90 0.00 11.10 408.09Jepírachi 4.43 4.80 6.24 4.83 4.14 3.62 5.26 5.40 4.18 0.83 2.25 3.56 49.55Total eólica 4.43 4.80 6.24 4.83 4.14 3.62 5.26 5.40 4.18 0.83 2.25 3.56 49.55Total generación 1,008.63 863.88 945.57 921.46 953.15 829.98 1,039.96 975.21 897.21 975.77 851.45 919.17 11,181.46

Generación hidráulica, térmica y eólica por agente (GWh) 2005

Administrador Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic Total


Egetsa Menores Tolima 2.90 2.47 2.85 2.93 2.57 3.78 3.64 2.58 2.07 3.59 4.10 4.75 38.22Prado 21.06 9.30 16.85 12.61 29.29 7.55 9.70 6.55 0.85 15.89 12.21 29.33 171.20Prado IV 2.65 2.68 2.97 2.90 1.49 0.00 1.26 2.91 2.22 2.28 2.93 3.03 27.32Total hidráulica 26.61 14.45 22.67 18.43 33.34 11.33 14.60 12.04 5.15 21.76 19.23 37.12 236.73Total generación 26.61 14.45 22.67 18.43 33.34 11.33 14.60 12.04 5.15 21.76 19.23 37.12 236.73

Emgesa Guavio 529.64 559.00 574.33 568.66 441.25 592.14 338.03 414.81 397.82 449.52 422.93 434.69 5,722.81Menores Bogotá (3) 34.07 41.33 44.53 43.07 68.16 56.52 16.17 9.84 32.91 83.74 80.48 37.14 547.96Santa Ana (4) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.91 4.82 4.33 4.67 18.73Pagua 204.22 207.38 206.39 177.97 342.33 210.83 378.20 355.87 290.90 333.71 238.41 367.13 3,313.36Total hidráulica 767.93 807.71 825.26 789.71 851.74 859.49 732.40 780.52 726.54 871.80 746.14 843.63 9,602.86Zipaemg 2 0.00 1.26 1.20 0.00 0.00 1.43 0.00 2.57 5.10 1.74 0.00 0.00 13.28Zipaemg 3 3.12 0.00 0.00 3.07 0.00 2.11 0.00 0.00 3.02 0.71 0.00 0.00 12.04Zipaemg 4 2.36 0.00 0.86 2.25 0.00 0.00 19.77 38.69 23.13 15.70 0.00 4.66 107.41Zipaemg 5 0.00 2.63 0.00 0.00 3.09 0.00 9.06 36.54 25.26 14.36 0.00 4.67 95.61Total térmica 5.49 3.89 2.06 5.32 3.09 3.54 28.83 77.80 56.50 32.51 0.00 9.34 228.35Total generación 773.42 811.60 827.31 795.02 854.83 863.03 761.23 858.32 783.04 904.30 746.14 852.96 9,831.20

Energing Puente Guillermo 0.69 0.49 0.50 0.59 0.68 0.54 0.51 0.19 0.10 0.62 0.69 0.74 6.34Total hidráulica 0.69 0.49 0.50 0.59 0.68 0.54 0.51 0.19 0.10 0.62 0.69 0.74 6.34Total generación 0.69 0.49 0.50 0.59 0.68 0.54 0.51 0.19 0.10 0.62 0.69 0.74 6.34

Epsa Alban (5) 173.25 135.09 151.45 136.92 172.73 132.03 86.32 112.21 98.27 220.93 229.46 153.12 1,801.79Calima 36.13 18.63 1.08 7.07 1.16 5.54 53.75 8.86 27.27 0.64 1.36 0.31 161.80Menores Valle del Cauca 3.04 3.23 3.31 3.02 4.49 3.87 3.08 3.97 3.03 5.05 5.60 5.93 47.62Salvajina 106.53 128.73 140.88 103.26 59.07 49.89 50.47 48.42 49.96 37.95 52.43 145.27 972.88Total hidráulica 318.95 285.68 296.72 250.27 237.45 191.33 193.62 173.46 178.54 264.57 288.86 304.64 2,984.10Cogenerador Central Castilla 1 (1) 0.44 0.68 0.64 0.68 0.21 0.07 0.39 0.40 0.59 0.51 0.67 0.48 5.75

Cogenerador Incauca 1 (1) 7.50 7.05 7.82 7.14 3.10 7.28 7.48 7.20 6.62 5.34 6.12 5.01 77.63Cogenadores Ingenio Providencia 1 (1) 0.30 0.38 0.23 0.03 0.04 0.19 0.07 0.04 0.12 0.23 0.27 0.29 2.18

Cogenerador Ingenio Riopaila 1 (1) 0.18 0.13 0.14 0.29 0.24 0.45 0.46 0.34 0.37 0.50 0.49 0.46 4.05

Termovalle 1 0.02 0.02 0.02 0.02 1.65 1.60 6.57 2.14 8.76 3.07 19.63 3.85 47.34Total térmica 8.43 8.26 8.84 8.16 5.23 9.58 14.96 10.11 16.45 9.64 27.17 10.08 136.94Total generación 327.39 293.94 305.56 258.43 242.68 200.92 208.59 183.57 194.99 274.21 316.03 314.72 3,121.04

Essa Menores Nordeste 12.04 4.65 6.62 9.83 9.86 11.98 12.05 10.87 9.15 7.20 8.79 11.36 114.40Total hidráulica 12.04 4.65 6.62 9.83 9.86 11.98 12.05 10.87 9.15 7.20 8.79 11.36 114.40Barranca 3 (6) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Palenque 3 0.21 0.00 0.32 0.26 0.14 0.84 0.97 0.68 0.80 1.00 0.97 0.19 6.38Total térmica 0.21 0.00 0.32 0.26 0.14 0.84 0.97 0.68 0.80 1.00 0.97 0.19 6.38Total generación 12.24 4.65 6.94 10.08 10.00 12.82 13.02 11.55 9.95 8.21 9.76 11.56 120.78

Genercali Termoemcali 1 0.00 1.65 0.00 0.01 0.00 1.61 0.00 1.60 1.86 1.61 3.71 2.05 14.10Total térmica 0.00 1.65 0.00 0.01 0.00 1.61 0.00 1.60 1.86 1.61 3.71 2.05 14.10Total generación 0.00 1.65 0.00 0.01 0.00 1.61 0.00 1.60 1.86 1.61 3.71 2.05 14.10

Gen.Colombiana San José 0.19 0.12 0.10 0.17 0.16 0.17 0.19 0.18 0.17 0.19 0.18 0.19 2.01Total hidráulica 0.19 0.12 0.10 0.17 0.16 0.17 0.19 0.18 0.17 0.19 0.18 0.19 2.01Total generación 0.19 0.12 0.10 0.17 0.16 0.17 0.19 0.18 0.17 0.19 0.18 0.19 2.01

Irisa Cogenerador Ingenio Risaralda (1) 1.38 1.17 1.19 0.91 0.94 1.08 1.07 1.25 1.22 1.18 1.24 0.91 13.54


Isagen Jaguas 50.40 52.11 54.75 59.09 57.52 46.85 79.96 27.71 39.39 65.66 92.19 55.95 681.59Miel I 184.64 141.23 187.16 127.99 159.10 125.71 89.86 58.51 42.71 56.21 149.16 254.42 1,576.69San Carlos 499.04 412.15 473.50 472.05 499.43 496.24 560.19 463.78 464.49 650.46 568.18 505.84 6,065.34Total hidráulica 734.07 605.50 715.42 659.12 716.05 668.80 730.00 550.01 546.60 772.33 809.52 816.21 8,323.62Termocentro 1 ciclo combinado 33.88 31.14 56.91 49.72 21.46 5.46 28.81 93.39 4.76 22.44 4.49 4.13 356.60

Total térmica 33.88 31.14 56.91 49.72 21.46 5.46 28.81 93.39 4.76 22.44 4.49 4.13 356.60Total generación 767.95 636.64 772.33 708.85 737.52 674.26 758.80 643.40 551.35 794.76 814.01 820.34 8,680.22

Meriléctrica Meriléctrica 1 5.14 4.04 2.95 6.13 3.92 6.38 3.31 0.00 7.56 23.18 9.10 2.72 74.43Total térmica 5.14 4.04 2.95 6.13 3.92 6.38 3.31 0.00 7.56 23.18 9.10 2.72 74.43Total generación 5.14 4.04 2.95 6.13 3.92 6.38 3.31 0.00 7.56 23.18 9.10 2.72 74.43



Proeléctrica Proeléctrica 1 1.17 0.02 0.21 0.75 0.00 3.92 8.93 3.17 5.67 2.14 4.07 3.08 33.13Proeléctrica 2 1.71 0.36 0.48 1.43 0.86 2.73 7.31 3.62 4.70 1.84 4.99 4.29 34.32Total térmica 2.88 0.39 0.69 2.18 0.86 6.65 16.24 6.79 10.37 3.97 9.06 7.37 67.45Total generación 2.88 0.39 0.69 2.18 0.86 6.65 16.24 6.79 10.37 3.97 9.06 7.37 67.45

Proenca Cogenerador Proenca 1 (1) 0.42 0.50 0.42 0.60 0.53 0.65 0.47 0.74 0.46 0.56 0.29 0.39 6.02Total térmica 0.42 0.50 0.42 0.60 0.53 0.65 0.47 0.74 0.46 0.56 0.29 0.39 6.02Total generación 0.42 0.50 0.42 0.60 0.53 0.65 0.47 0.74 0.46 0.56 0.29 0.39 6.02

Termocandelaria Termocandelaria 1 1.11 1.57 7.27 2.88 1.33 8.94 0.00 1.11 9.30 3.03 16.42 27.06 80.03

Termocandelaria 2 0.92 0.00 7.91 1.99 1.15 2.66 0.00 0.80 6.69 0.63 6.81 12.91 42.47Total térmica 2.03 1.57 15.18 4.88 2.47 11.60 0.00 1.92 15.99 3.66 23.24 39.97 122.50Total generación 2.03 1.57 15.18 4.88 2.47 11.60 0.00 1.92 15.99 3.66 23.24 39.97 122.50

Termocartagena Cartagena 1 0.02 0.51 0.00 0.00 0.00 0.02 0.00 0.72 0.32 0.83 0.00 0.00 2.42Cartagena 2 0.00 0.00 0.00 0.02 0.15 0.00 0.00 0.00 0.00 0.05 0.00 0.00 0.22Cartagena 3 0.00 0.43 1.02 0.35 1.12 0.95 0.00 0.42 0.58 0.41 0.35 0.00 5.64Total térmica 0.02 0.94 1.02 0.37 1.28 0.97 0.00 1.15 0.90 1.29 0.35 0.00 8.29Total generación 0.02 0.94 1.02 0.37 1.28 0.97 0.00 1.15 0.90 1.29 0.35 0.00 8.29

Termoflores Flores 2 10.23 1.77 11.95 17.10 2.41 7.57 21.03 26.09 49.87 11.21 17.79 23.24 200.26Flores 3 30.76 64.07 26.45 20.68 19.87 46.30 1.96 27.15 61.92 15.43 51.02 80.48 446.09Total térmica 40.99 65.84 38.39 37.78 22.28 53.87 22.99 53.24 111.79 26.64 68.82 103.72 646.35Total generación 40.99 65.84 38.39 37.78 22.28 53.87 22.99 53.24 111.79 26.64 68.82 103.72 646.35

Termopiedras Tpiedras 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total térmica 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total generación 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Termotasajero Tasajero 1 10.37 14.40 19.85 30.68 17.32 28.23 56.14 89.76 80.97 21.62 38.80 73.11 481.23Total térmica 10.37 14.40 19.85 30.68 17.32 28.23 56.14 89.76 80.97 21.62 38.80 73.11 481.23Total generación 10.37 14.40 19.85 30.68 17.32 28.23 56.14 89.76 80.97 21.62 38.80 73.11 481.23

Termoyopal Termoyopal 1 (7) 0.00 0.79 12.53 13.31 13.23 13.72 14.09 2.38 0.00 0.00 0.00 4.34 74.40Termoyopal 2 15.52 14.86 13.38 20.15 17.30 17.96 1.76 15.90 15.92 17.09 0.00 0.00 149.85Total térmica 15.52 15.65 25.91 33.46 30.54 31.68 15.85 18.28 15.92 17.09 0.00 4.34 224.24Total generación 15.52 15.65 25.91 33.46 30.54 31.68 15.85 18.28 15.92 17.09 0.00 4.34 224.24

Urrá Urrá 70.47 98.15 68.46 73.42 101.72 123.88 134.04 116.67 110.76 144.78 127.68 83.92 1,253.95Total hidráulica 70.47 98.15 68.46 73.42 101.72 123.88 134.04 116.67 110.76 144.78 127.68 83.92 1,253.95Total generación 70.47 98.15 68.46 73.42 101.72 123.88 134.04 116.67 110.76 144.78 127.68 83.92 1,253.95

Exportación Cadafe 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Internacional Corozo 0.01 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01

Cuatricentenario 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Tulcan - Ecuador 0.37 0.00 0.06 1.24 0.62 0.52 0.77 0.53 0.27 0.13 0.07 0.08 4.65Pomasqui - Ecuador 172.16 137.86 115.71 107.08 142.13 120.11 158.37 169.41 143.89 178.18 167.06 141.27 1,753.23Total exportación 172.53 137.86 115.77 108.32 142.75 120.63 159.15 169.93 144.15 178.31 167.13 141.35 1,757.89

Importación Corozo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Internacional Cuatricentenario 0.00 0.00 0.10 0.26 0.83 4.66 1.10 2.47 6.64 1.62 0.10 3.14 20.91

Tulcan - Ecuador 0.00 0.00 0.24 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.24Pomasqui - Ecuador 0.00 0.03 6.17 4.55 0.89 0.45 0.50 0.00 1.12 0.01 0.00 2.07 15.79Total importación 0.00 0.03 6.51 4.81 1.72 5.10 1.60 2.47 7.76 1.62 0.11 5.21 36.94

Plantas despachadas centralmente 3,947.88 3,685.78 4,003.21 3,948.28 4,017.61 3,900.35 4,073.54 4,223.06 4,109.05 4,103.67 4,019.02 4,176.11 48,207.56Hidráulica (8) 3,245.71 3,022.43 3,301.32 3,119.19 3,411.71 3,243.08 3,270.17 3,211.60 3,009.26 3,430.78 3,413.73 3,315.37 38,994.35Térmica 702.18 663.35 701.89 829.09 605.89 657.26 803.37 1,011.46 1,099.79 672.90 605.29 860.74 9,213.21

Plantas no despachadas centralmente 163.64 150.07 180.59 194.15 222.78 213.11 168.72 134.57 153.98 222.43 224.08 194.08 2,222.20Hidráulica (9) 148.43 134.16 151.00 165.99 200.03 185.70 139.29 116.43 140.04 212.98 212.29 178.27 1,984.61Térmica 10.78 11.11 23.34 23.33 18.62 23.79 24.17 12.74 9.76 8.62 9.54 12.25 188.04Eólica 4.43 4.80 6.24 4.83 4.14 3.62 5.26 5.40 4.18 0.83 2.25 3.56 49.55

Total generación SIN 4,111.52 3,835.85 4,183.80 4,142.43 4,240.39 4,113.46 4,242.26 4,357.62 4,263.03 4,326.11 4,243.10 4,370.19 50,429.76Total interconexiones (10) -172.53 -137.83 -109.27 -103.51 -141.03 -115.53 -157.54 -167.46 -136.39 -176.68 -167.03 -136.15 -1,720.95Total generación + interconexiones 3,938.99 3,698.02 4,074.53 4,038.93 4,099.36 3,997.93 4,084.71 4,190.16 4,126.64 4,149.42 4,076.07 4,234.05 48,708.81



(1): Cogenerador no despachado centralmente.

(3): Incluye la planta menor Santa Ana entre el nueve de junio de 2005 y el 31 de agosto de 2005.

(5): Incluye las plantas Alto Anchicayá y Bajo Anchicayá.

(6): Se retiró del Mercado de Energía Mayorista el 28 de enero de 2005.(7): Entró a pruebas el 4 de agosto de 2005 y en explotación comercial el 11 de marzo de 2005.(8): Incluye a Florida como planta despachada centralemente hasta el 22 de diciembre de 2005.(9): Incluye a Florida como planta menor a partir del 23 de diciembre de 2005.(10): El signo negativo significa exportación.

(4): La planta Santa Ana entró en operación comercial el 9 de junio de 2005 representada por EMGESA. A partir del 25 de agosto de 2005 pasó a ser administrada por BETANIA y a partir de 30 de noviembre de 2005 pasó nuevamente a ser administrada por EMGESA

(2): A partir del primero de noviembre de 2005, GENSA S.A. E.S.P., es el representante comercial de las unidades 1,2,3 y 4 de Termo Paipa. Antes de dicha fecha el representante era EBSA S.A. E.S.P.

0

500

1,000

1,500

2,000

2,500

3,000

3,500

4,000

4,500

5,000


Hidráulica despachada centralmente Térmica despachada centralmente Hidráulica no despachada centralmenteTérmica no despachada centralmente Eólica no despachada centralmente InterconexionesDemanda no atendida

Balance de energía2005

GWh


CedelcaFlorida 21 2.49 2.50 2.43 2.83 3.21 2.09 2.21 2.56 4.39 0.57 0.00 1.86 2.26Florida 22 4.56 5.45 3.61 4.02 3.69 4.64 3.05 4.22 2.79 5.40 9.68 8.52 4.96MFLORIDA21 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.98 1.98MFLORIDA22 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.69 1.69Menores Cauca 1 4.00 4.00 4.00 4.00 4.00 4.00 4.03 4.10 5.00 5.00 5.00 5.77 4.41Total 11.06 11.94 10.04 10.85 10.90 10.73 9.29 10.88 12.17 10.96 14.68 19.82 15.30CedenarMenores Nariño 1 3.81 3.57 6.00 5.13 5.65 5.42 3.84 3.55 3.90 2.87 4.60 4.91 4.44Riomayo 1 5.84 6.30 5.73 5.87 5.79 6.03 4.39 4.83 5.83 3.49 5.81 5.41 5.43Riomayo 2 3.53 4.33 6.04 5.63 6.00 6.16 5.47 4.26 0.21 2.81 5.39 5.59 4.62Riomayo 3 0.00 0.01 0.00 0.00 0.06 2.35 3.88 4.48 4.93 2.95 4.20 5.34 2.36Total 13.17 14.21 17.76 16.64 17.49 19.96 17.58 17.12 14.87 12.12 20.00 21.25 16.86CetsaMenores Tuluá 7.55 8.57 7.71 8.13 9.55 8.93 5.42 4.42 3.67 6.74 10.30 10.52 7.62Total 7.55 8.57 7.71 8.13 9.55 8.93 5.42 4.42 3.67 6.74 10.30 10.52 7.62CHBBetania 1 179.52 178.07 160.21 138.80 106.57 169.10 159.52 164.40 162.63 130.71 134.13 143.60 152.07Betania 2 179.52 178.03 146.52 95.04 175.10 169.10 159.52 164.91 162.72 154.35 151.60 166.52 158.57Betania 3 179.52 178.07 161.60 167.10 175.10 169.10 159.52 164.94 130.60 41.71 175.07 169.68 155.77Menores del Huila 1 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00 4.00Total 542.55 538.17 472.34 404.93 460.76 511.30 482.55 498.24 459.95 330.77 464.80 483.80 470.41ChecEsmeralda 1 13.99 13.69 12.94 12.43 12.48 13.22 11.62 9.13 9.20 13.29 12.90 14.12 12.41Esmeralda 2 14.29 14.13 12.70 14.26 12.78 14.42 12.30 10.51 10.66 13.47 12.75 14.29 13.04Insula 1 4.48 5.43 5.55 4.63 3.51 3.22 2.30 4.69 5.38 5.64 5.24 5.11 4.59Insula 2 3.59 3.43 3.04 3.43 4.75 4.39 3.33 4.73 3.32 4.39 5.19 1.52 3.76Insula 3 4.53 4.49 1.95 2.98 2.68 5.60 5.65 0.53 1.10 5.12 6.26 6.98 3.99Menores de CQR 1 14.00 14.00 14.00 14.00 14.00 14.00 7.68 8.00 8.00 8.00 8.00 8.00 10.95San Francisco 1 12.97 12.21 13.24 11.05 13.07 15.76 11.43 9.00 8.72 14.27 14.13 13.92 12.49San Francisco 2 11.77 12.35 12.19 13.66 13.68 14.61 11.66 8.74 9.16 11.64 15.33 13.57 12.35San Francisco 3 10.88 12.17 11.62 12.12 11.37 11.90 11.59 8.63 7.86 12.81 13.03 14.82 11.56Total 90.50 91.90 87.22 88.56 88.31 97.11 77.55 63.97 63.40 88.64 92.84 92.33 85.14Chivor S.A.Chivor 1 122.68 123.19 123.54 125.00 122.19 31.62 124.87 121.46 110.45 125.00 125.00 125.00 115.12Chivor 2 124.69 123.19 123.58 125.00 122.11 125.00 123.32 125.00 124.46 125.00 30.39 119.08 116.00Chivor 3 123.00 123.19 124.85 125.00 124.05 122.07 114.14 125.00 125.00 104.03 125.00 125.00 121.65Chivor 4 65.69 102.48 123.53 121.89 124.05 125.00 123.36 125.00 102.21 125.00 125.00 125.00 115.76Chivor 5 124.87 125.00 123.51 125.00 124.04 125.00 123.35 124.96 125.00 100.20 125.00 125.00 122.53Chivor 6 124.72 125.00 1.18 0.00 42.96 123.32 93.03 26.55 125.00 103.88 124.84 125.00 84.20Chivor 7 121.13 125.00 123.09 124.96 123.57 125.00 124.14 125.00 125.00 121.82 109.71 125.00 122.78Chivor 8 124.58 125.00 123.54 124.96 123.56 124.69 124.18 125.00 125.00 107.10 125.00 125.00 123.10Total 931.37 972.04 866.82 871.80 906.54 901.69 950.39 897.96 962.12 912.03 889.94 994.08 921.15Eade

Disponibilidad hidráulica promedio día (MW) 2005



Menores Eade 1 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00 12.00Rio Piedras 1 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00 19.00Total 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00 31.00EEPPMGuadalupe 31 42.07 43.72 36.53 42.84 39.04 44.73 41.47 44.54 42.91 45.00 44.43 26.80 41.12Guadalupe 32 42.07 44.43 40.95 42.84 33.48 0.00 0.00 14.90 43.17 45.00 44.93 44.35 32.92Guadalupe 33 42.07 44.92 43.75 42.84 42.81 44.83 45.00 44.03 43.30 14.50 0.00 31.13 36.57Guadalupe 34 41.50 44.92 44.67 42.84 42.27 44.83 44.98 44.65 42.36 45.00 44.31 44.61 43.91Guadalupe 35 42.02 44.23 44.54 42.84 42.81 43.39 45.00 44.65 43.17 45.00 42.48 45.00 43.77Guadalupe 36 42.07 44.92 44.15 42.84 42.41 44.69 45.00 44.11 43.17 44.94 44.11 45.00 43.95Guadalupe 41 41.78 64.74 62.56 66.48 71.98 74.47 63.68 59.52 73.26 65.05 54.52 59.73 63.09Guadalupe 42 68.63 66.69 64.17 54.50 0.00 0.00 20.89 58.06 73.49 65.30 54.64 56.27 48.44Guadalupe 43 70.19 67.79 63.74 69.54 74.38 72.46 67.74 27.26 0.00 13.31 55.85 60.58 53.50Guatapé 1 65.78 70.00 69.50 69.23 68.80 69.87 69.79 68.09 69.04 70.00 70.00 69.90 69.15Guatapé 2 65.78 68.93 69.60 68.36 68.15 68.87 69.72 69.66 70.00 69.06 69.92 70.00 69.00Guatapé 3 65.78 68.97 67.97 69.12 69.56 68.62 69.73 69.57 69.59 35.14 70.00 69.86 66.10Guatapé 4 64.89 70.00 68.11 68.74 69.73 54.22 39.08 66.96 70.00 69.61 69.02 69.99 64.98Guatapé 5 69.03 69.99 69.29 69.33 46.85 69.87 69.81 69.61 68.58 69.71 63.99 70.00 67.14Guatapé 6 69.56 70.00 66.26 69.30 46.78 69.04 68.86 68.78 69.43 69.62 68.99 69.84 67.16Guatapé 7 70.00 70.00 69.14 69.41 69.68 69.86 68.83 70.00 70.00 69.60 68.97 70.00 69.62Guatapé 8 69.89 69.43 69.03 69.18 69.56 69.86 68.74 70.00 69.72 69.58 61.75 69.95 68.90La Tasajera 1 102.00 102.00 98.05 98.78 102.00 90.43 101.41 100.65 100.17 102.00 98.64 100.67 99.74La Tasajera 2 98.21 100.27 100.73 101.77 101.94 97.64 99.50 102.00 100.64 102.00 87.00 101.45 99.45La Tasajera 3 101.54 102.00 100.63 101.80 102.00 100.59 101.46 102.00 87.90 101.63 98.27 102.00 100.17Menores Antioquia 1 (1) 49.66 48.85 50.00 50.00 54.27 58.35 58.92 56.14 55.55 56.38 59.22 60.00 54.82Playas 1 65.90 66.84 66.08 62.20 66.88 67.00 66.65 47.58 66.42 67.00 66.97 67.00 64.68Playas 2 66.32 65.77 67.00 57.83 65.59 66.52 66.55 65.83 67.00 67.00 46.64 66.97 64.12Playas 3 66.55 66.86 66.99 62.17 47.67 48.91 66.64 66.88 66.92 67.00 66.02 66.01 63.21Porce II 1 135.00 103.66 134.52 133.94 133.96 132.20 133.57 130.34 133.22 132.94 131.89 135.00 131.06Porce II 2 135.00 135.00 118.69 87.59 134.81 134.63 133.55 132.46 132.33 134.66 135.00 128.96 128.57Porce II 3 132.82 135.00 135.00 109.13 102.14 134.87 133.55 130.50 132.75 135.00 135.00 135.00 129.20Riogrande 12 25.00 22.98 25.00 25.00 24.92 25.00 19.91 24.72 24.86 25.00 25.00 25.00 24.37Troneras 1 18.47 19.77 19.10 18.94 18.01 19.89 19.88 19.84 19.06 19.98 20.00 19.75 19.39Troneras 2 18.45 19.77 19.10 19.01 18.02 19.89 19.88 19.84 18.98 20.00 20.00 20.00 19.41Total 1,988.03 2,012.44 1,994.85 1,928.39 1,870.51 1,905.54 1,919.78 1,933.15 1,966.99 1,936.03 1,917.55 2,000.82 1,947.51Egetsa ESPMenores Tolima 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00 5.00Prado 1 14.87 14.95 14.51 15.00 14.98 8.04 7.30 12.81 12.00 12.00 14.33 13.83 12.87Prado 2 14.62 13.53 14.50 15.00 14.79 8.44 0.00 0.39 12.00 12.39 14.33 13.82 11.12Prado 3 14.98 14.98 13.78 15.00 14.98 8.50 7.72 12.81 9.20 12.39 14.33 12.38 12.58Prado 4 3.51 3.93 4.27 4.00 1.97 0.00 1.83 3.99 3.06 3.00 3.97 4.00 3.12Total 52.97 52.39 52.06 54.00 51.73 29.98 21.85 34.99 41.26 44.77 51.97 49.02 44.69EmgesaGuavio 1 230.00 220.69 223.44 218.57 225.69 222.60 196.43 146.55 197.00 212.27 226.81 226.32 212.08Guavio 2 228.42 222.13 226.04 226.23 225.29 226.10 229.20 218.40 127.61 189.16 219.23 225.72 213.71



Guavio 3 230.00 220.44 214.10 226.11 225.99 217.12 226.29 111.92 210.59 211.05 226.81 225.83 212.03Guavio 4 230.00 214.94 225.79 225.33 218.23 226.21 225.87 228.81 105.56 230.00 223.11 225.22 215.14Guavio 5 218.76 221.96 230.00 223.73 226.18 225.55 70.66 230.00 218.22 221.27 226.81 226.32 211.41La Guaca 1 108.00 108.00 106.48 99.31 106.43 106.40 105.87 108.00 93.22 108.00 105.21 103.44 104.88La Guaca 2 97.55 98.40 106.45 106.49 106.47 106.36 106.57 108.00 100.93 79.02 89.23 106.85 101.05La Guaca 3 108.00 108.00 96.01 106.40 106.44 106.41 105.99 95.92 101.62 108.00 105.35 105.09 104.40Menores Bogotá 1 (2) 34.23 48.00 95.00 95.40 99.00 78.76 12.00 11.42 19.80 100.00 100.00 38.06 60.94Paraiso 1 92.00 92.00 90.69 84.59 90.66 90.61 90.13 91.98 92.00 86.11 75.94 88.76 88.80Paraiso 2 92.00 92.00 81.78 90.64 90.75 90.65 90.72 77.91 73.55 92.00 89.69 89.32 87.56Paraiso 3 79.49 83.98 90.65 90.67 89.89 90.79 90.21 92.00 86.89 73.29 89.74 90.46 87.34SANTA ANA 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total 1,748.44 1,730.54 1,786.43 1,793.46 1,811.01 1,787.56 1,549.95 1,520.91 1,426.98 1,710.18 1,777.92 1,751.39 1,699.35EnergingPuente Guillermo 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00EpsaAlto Anchicayá 1 124.60 98.23 106.98 59.73 80.12 114.82 66.70 0.00 78.48 105.60 115.00 113.25 88.51Alto Anchicayá 2 0.00 0.00 87.01 110.62 116.05 108.42 53.86 115.11 92.61 113.08 119.51 114.30 86.35Alto Anchicayá 3 124.48 92.26 118.72 96.65 101.39 83.72 92.74 121.19 88.31 115.00 121.04 116.59 106.21Bajo Anchicayá 1 12.94 10.23 13.00 13.00 13.00 13.00 9.93 12.58 10.08 12.99 11.51 13.00 12.12Bajo Anchicayá 2 8.55 12.34 13.00 13.00 13.00 13.00 10.03 12.97 10.08 12.98 11.71 13.00 11.97Bajo Anchicayá 3 16.10 12.60 24.00 19.20 18.21 20.13 15.98 10.73 14.11 21.53 21.09 21.16 17.94Bajo Anchicayá 4 20.45 11.19 12.87 17.30 17.64 20.17 14.86 9.71 14.94 21.08 20.49 21.12 16.85Calima 1 32.13 33.00 33.00 32.95 33.00 21.44 33.00 33.00 33.00 33.00 17.97 25.37 30.09Calima 2 33.00 33.00 33.00 32.95 33.00 21.44 33.00 33.00 33.00 33.00 33.00 23.09 31.20Calima 3 33.00 33.00 33.00 32.95 33.00 21.29 33.00 33.00 33.00 33.00 33.00 33.00 32.03Calima 4 33.00 33.00 33.00 32.95 33.00 21.44 33.00 33.00 33.00 33.00 33.00 33.00 32.05Menores Valle del Cauca 1 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00 7.00Salvajina 1 84.95 95.00 77.22 91.88 92.26 95.00 95.00 93.74 82.90 75.77 91.43 95.00 89.12Salvajina 2 95.00 95.00 65.75 92.23 63.15 63.88 95.00 93.74 82.90 75.77 91.43 89.64 83.54Salvajina 3 94.49 94.51 95.00 88.69 92.29 92.64 95.00 94.29 82.90 74.97 91.37 95.00 90.92Total 719.70 660.35 752.55 741.10 746.11 717.38 688.10 703.06 696.31 767.78 818.57 813.52 735.91EssaMenores Nordeste 1 17.00 14.86 11.45 15.00 13.23 15.00 15.00 15.00 15.00 11.77 15.30 13.61 14.34Total 17.00 14.86 11.45 15.00 13.23 15.00 15.00 15.00 15.00 11.77 15.30 13.61 14.34Gen. ColombianaSan Jose 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00San Jose 2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00IsagenJaguas 1 84.84 83.52 84.98 85.00 83.64 84.21 84.63 84.21 85.00 83.56 85.00 84.73 84.45Jaguas 2 85.00 70.67 84.94 85.00 85.00 82.81 85.00 84.21 85.00 83.68 85.00 84.98 83.54Miel I 1 129.41 111.77 126.17 111.34 98.52 113.15 107.66 56.44 65.52 100.35 128.03 132.00 106.68Miel I 2 110.73 20.97 126.89 110.23 98.26 113.40 91.60 57.17 67.07 100.28 124.94 132.00 96.66Miel I 3 129.37 118.59 103.98 115.28 92.97 113.04 49.99 92.20 67.07 100.35 125.86 131.36 103.19San Carlos 1 155.00 153.05 154.17 151.62 142.62 142.73 155.00 155.00 155.00 153.13 155.00 142.76 151.24



San Carlos 2 155.00 153.05 154.38 151.17 116.46 139.30 155.00 155.00 155.00 153.28 146.17 151.51 148.75San Carlos 3 142.85 153.05 154.17 151.11 155.00 155.00 133.72 142.89 155.00 154.30 154.87 155.00 150.52San Carlos 4 155.00 153.05 154.62 154.57 154.83 155.00 98.97 153.14 155.00 154.53 154.88 155.00 149.80San Carlos 5 155.00 153.05 154.22 152.51 118.97 155.00 155.00 155.00 155.00 142.22 155.00 155.00 150.43San Carlos 6 155.00 153.05 154.41 152.45 118.97 155.00 155.00 151.46 150.74 154.31 142.45 155.00 149.79San Carlos 7 155.00 90.87 142.48 151.68 155.00 155.00 155.00 155.00 97.03 152.63 155.00 155.00 143.78San Carlos 8 155.00 69.07 153.05 151.16 155.00 155.00 154.82 155.00 127.13 154.69 155.00 155.00 145.59Total 1,767.20 1,483.77 1,748.44 1,723.12 1,575.24 1,718.64 1,581.38 1,596.72 1,519.56 1,687.30 1,767.20 1,789.35 1,664.43Urra S.A.Urrá 1 74.58 70.14 52.68 39.60 45.82 53.12 55.26 53.07 59.04 72.00 75.01 75.47 60.44Urrá 2 71.34 70.14 50.96 45.72 51.23 37.19 55.19 53.13 59.03 72.00 75.97 74.65 59.69Urrá 3 69.52 70.14 50.82 46.81 51.23 53.14 55.19 52.99 41.22 72.00 75.97 73.63 59.36Urrá 4 74.58 69.96 52.42 46.59 50.50 52.56 55.19 52.92 59.03 52.30 75.97 75.65 59.74Total 290.03 280.39 206.88 178.73 198.78 196.01 220.84 212.11 218.33 268.30 302.91 299.38 239.22Promedio hidráulica despachada centralmente 8,020.73 7,700.39 7,799.87 7,616.00 7,533.52 7,706.15 7,405.51 7,379.95 7,263.89 7,565.48 7,908.85 8,164.74 7,672.39

Promedio hidráulica no despachada centralmente 189.84 202.19 245.70 249.72 257.62 244.67 165.18 159.58 167.72 252.92 266.12 205.16 217.16

Promedio hidráulica total 8,210.57 7,902.58 8,045.57 7,865.71 7,791.14 7,950.82 7,570.69 7,539.53 7,431.61 7,818.41 8,174.96 8,369.89 7,889.55% respecto capacidad neta promedio 91.89 88.45 90.05 88.04 87.20 88.93 84.65 84.30 83.09 87.42 91.40 93.59 88.25

(1): Incluye las plantas menores: Cementos del Nare a partir del 1 de septiembre, La Herradura a partir del 8 de octubre y La Vuelta a partir del 18 de diciembre.(2): Incluye la menor Tequendama a partir del 10 de abril.

0

1,000

2,000

3,000

4,000

5,000

6,000

7,000

8,000

9,000

10,000


Hidráulica despachada centralmente Hidráulica no despachada centralmenteCapacidad efectiva hidráulica promedio

Disponibilidad hidráulica promedio día 2005

MW

Administrador Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalBioaiseCogenerador Bioaise 1 (1) 0.76 0.61 0.50 0.52 0.45 0.50 0.20 0.52 0.53 0.42 0.65 0.51 0.51Total 0.76 0.61 0.50 0.52 0.45 0.50 0.20 0.52 0.53 0.42 0.65 0.51 0.51ChecTermodorada 1 48.46 48.45 48.45 46.42 43.78 47.87 48.33 48.40 48.45 48.44 48.48 47.98 47.79Total 48.46 48.45 48.45 46.42 43.78 47.87 48.33 48.40 48.45 48.44 48.48 47.98 47.79CorelcaBarranquilla 3 64.00 63.68 61.29 59.78 62.03 59.60 60.87 58.06 43.26 38.04 51.46 56.50 56.52Barranquilla 4 61.78 63.00 60.89 60.11 54.81 59.10 62.35 62.74 46.61 9.92 60.61 62.17 55.27Flores 1 160.00 159.17 154.70 159.65 152.18 155.13 157.79 159.64 153.02 160.00 160.00 158.90 157.51Guajira 1 150.93 150.43 151.00 149.24 137.60 151.00 151.00 139.99 139.00 151.00 148.34 132.68 145.97Guajira 2 151.00 145.61 151.00 151.00 146.97 151.00 150.44 151.00 134.31 149.74 117.76 133.61 144.51TebsaB 718.92 660.96 664.53 713.31 715.17 626.90 627.58 714.92 563.25 489.76 483.04 484.34 621.85Total 1,306.63 1,242.85 1,243.41 1,293.08 1,268.76 1,202.74 1,210.03 1,286.36 1,079.44 998.47 1,021.22 1,028.19 1,181.62EbsaPaipa 1 28.00 27.33 28.00 28.00 28.00 26.88 24.84 24.62 25.76 25.36 27.49 28.00 26.85Paipa 2 67.74 68.00 68.00 68.00 67.81 36.08 32.26 65.84 62.32 65.52 67.76 66.70 61.31Paipa 3 68.00 68.00 68.00 67.52 62.01 66.31 43.87 0.00 25.99 67.29 65.20 65.69 55.55Paipa 4 149.75 150.00 150.00 150.00 149.56 150.00 149.56 127.50 149.94 96.28 9.31 150.00 131.86Total 313.49 313.33 314.00 313.52 307.39 279.27 250.53 217.96 264.02 254.45 169.77 310.39 275.58EEPPMTermosierraB ciclo combinado 450.79 448.11 452.00 451.21 329.18 396.69 419.74 404.08 427.89 402.40 452.00 449.90 423.37Total 450.79 448.11 452.00 451.21 329.18 396.69 419.74 404.08 427.89 402.40 452.00 449.90 423.37EmgesaZipaemg 2 34.00 34.00 33.94 34.00 34.00 33.72 34.00 33.80 33.01 33.50 34.00 34.00 33.83Zipaemg 3 62.00 62.00 62.00 61.89 62.00 61.78 62.00 62.00 62.00 61.96 62.00 62.94 62.05Zipaemg 4 63.00 63.00 63.00 63.00 63.00 63.00 60.33 63.00 62.89 63.00 63.00 63.94 62.84Zipaemg 5 64.00 64.00 64.00 64.00 63.78 64.00 64.00 63.97 64.00 64.00 64.00 63.06 63.90Total 223.00 223.00 222.94 222.89 222.78 222.50 220.33 222.77 221.90 222.46 223.00 223.94 222.62EmsaTermocoa 1 (2) 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total - - - - - - - - - - - - - EpsaCogenerador Central Castilla 1 (1) 0.60 1.01 0.86 0.94 0.28 0.10 0.52 0.54 0.82 0.68 0.93 0.64 0.66Cogenerador Incauca 1 (1) 10.07 10.49 10.51 9.91 4.16 10.11 10.05 9.68 9.19 7.17 8.50 6.73 8.86Cogenerador Ingenio Providencia 1 (1) 0.40 0.57 0.31 0.04 0.06 0.26 0.09 0.05 0.16 0.31 0.37 0.39

0.25Cogenerador Ingenio Riopaila 1 (1) 0.24 0.19 0.18 0.41 0.32 0.62 0.62 0.46 0.52 0.67 0.69 0.62

0.46

Disponibilidad térmica promedio día (MW) 2005



Termovalle 1 190.82 202.73 202.75 202.75 198.36 163.47 171.41 157.55 192.19 202.74 203.00 198.32 190.41Total 202.13 214.99 214.61 214.05 203.18 174.56 182.69 168.27 202.88 211.58 213.48 206.71 200.64EssaBarranca 3 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Palenque 3 12.89 13.00 12.96 12.88 13.00 12.90 12.69 12.99 12.91 13.00 12.96 13.00 12.93Total 12.89 13.00 12.96 12.88 13.00 12.90 12.69 12.99 12.91 13.00 12.96 13.00 12.93GenercaliTermoemcali 1 232.71 232.26 228.52 232.09 233.00 231.13 232.86 226.38 228.96 232.69 226.40 229.38 230.53Total 232.71 232.26 228.52 232.09 233.00 231.13 232.86 226.38 228.96 232.69 226.40 229.38 230.53IrisaCogenerador Ingenio Risaralda (1) 1.85 1.74 1.61 1.27 1.26 1.50 1.43 1.68 1.70 1.59 1.72 1.22 1.55Total 1.85 1.74 1.61 1.27 1.26 1.50 1.43 1.68 1.70 1.59 1.72 1.22 1.55Isagen

Termocentro 1 ciclo combinado 285.00 283.08 283.90 283.93 257.83 141.87 108.36 190.85 269.84 256.92 231.43 284.00 239.48Total 285.00 283.08 283.90 283.93 257.83 141.87 108.36 190.85 269.84 256.92 231.43 284.00 239.48MeriléctricaMeriléctrica 1 169.00 169.00 169.00 169.00 169.00 169.00 169.00 130.67 168.77 167.64 163.48 169.00 165.16Total 169.00 169.00 169.00 169.00 169.00 169.00 169.00 130.67 168.77 167.64 163.48 169.00 165.16ProeléctricaProeléctrica 1 44.51 44.39 44.94 45.00 45.00 39.53 44.74 44.81 40.00 44.94 43.74 44.50 43.86Proeléctrica 2 44.97 44.47 45.00 45.00 45.00 44.53 43.35 44.90 40.91 44.51 44.53 44.90 44.34Total 89.48 88.85 89.94 90.00 90.00 84.05 88.09 89.71 80.91 89.45 88.27 89.40 88.20ProencaCogenerador Proenca 1 (1) 0.57 0.74 0.57 0.83 0.71 0.90 0.63 0.99 0.64 0.75 0.40 0.52 0.69Total 0.57 0.74 0.57 0.83 0.71 0.90 0.63 0.99 0.64 0.75 0.40 0.52 0.69TermocandelariaTermocandelaria 1 156.98 157.00 157.00 154.69 156.50 157.00 157.00 153.76 108.90 154.03 140.69 137.77 149.31Termocandelaria 2 155.00 155.00 155.00 151.35 155.00 136.37 155.00 151.21 93.52 151.33 135.11 145.87 145.07Total 311.98 312.00 312.00 306.03 311.50 293.37 312.00 304.97 202.42 305.36 275.79 283.64 294.38TermocartagenaCartagena 1 59.77 46.14 56.85 51.01 38.89 45.14 60.00 58.06 45.55 54.19 56.42 60.00 52.76Cartagena 2 50.00 50.00 50.00 46.30 31.94 33.78 50.00 50.00 18.99 33.67 35.14 48.25 41.52Cartagena 3 66.00 64.84 64.91 64.29 61.53 64.37 66.00 65.74 53.37 65.94 63.09 63.34 63.63Total 175.77 160.97 171.76 161.61 132.36 143.28 176.00 173.80 117.91 153.80 154.65 171.59 157.91TermofloresFlores 2 111.61 112.00 111.69 111.80 112.00 112.00 111.52 111.63 109.82 109.87 110.00 110.00 111.16Flores 3 168.55 175.00 115.14 51.22 175.00 164.99 170.44 173.72 170.25 173.55 173.73 172.76 157.07Total 280.16 287.00 226.83 163.02 287.00 276.99 281.96 285.35 280.07 283.42 283.73 282.76 268.23TermopiedrasTpiedras 1 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00Total 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00 3.00



TermotasajeroTasajero 1 155.00 155.00 155.00 155.00 155.00 155.00 155.00 155.00 128.36 50.00 155.00 155.00 143.89Total 155.00 155.00 155.00 155.00 155.00 155.00 155.00 155.00 128.36 50.00 155.00 155.00 143.89TermoyopalTermoyopal 1 (3) 0.00 0.00 13.04 18.65 18.69 18.71 18.71 3.21 0.00 0.00 0.00 6.66 9.66Termoyopal 2 29.66 28.76 25.91 28.61 28.23 24.98 18.72 28.66 28.29 27.20 0.00 0.00 22.39Total 29.66 28.76 38.95 47.27 46.92 43.69 37.43 31.87 28.29 27.20 0.00 6.66 32.05Promedio témica despachada centralmente 4,274.84 4,208.39 4,159.37 4,132.04 4,047.17 3,845.12 3,875.04 3,935.49 3,752.32 3,708.46 3,709.18 3,936.50 3,972.68

Promedio témica no despachada centralmente 17.49 18.36 30.57 35.57 28.93 35.70 35.25 20.13 16.55 14.59 16.25 20.29 15.97

Promedio térmica 4,292.33 4,226.74 4,189.94 4,167.62 4,076.10 3,880.82 3,910.29 3,955.62 3,768.87 3,723.05 3,725.42 3,956.79 3,988.65% respecto capacidad neta promedio 96.76 96.47 95.35 94.71 92.63 88.20 88.87 89.90 85.65 84.61 84.66 90.01 90.63

(1): Cogenerador/Autoproductor no despachado centralmente. Disponibilidad calculada a partir de la generación.(2): Se retiró del Mercado de Energía Mayorista el 1 de enero de 2005.(3): Entró en operación comercial el 11 de marzo de 2005.

Administrador Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalEeppmJepírachi 8.54 9.30 7.48 10.06 7.27 8.04 6.16 9.35 8.28 1.50 3.41 4.41 15.52Total 8.54 9.30 7.48 10.06 7.27 8.04 6.16 9.35 8.28 1.50 3.41 4.41 15.52Promedio eólica no despachada centralmente 8.54 9.30 7.48 10.06 7.27 8.04 6.16 9.35 8.28 1.50 3.41 4.41 15.52

% respecto capacidad neta promedio 43.79 47.72 38.38 51.56 37.29 41.24 31.60 47.94 42.48 7.69 17.47 44.99 37.59

Disponibilidad eólica promedio día (MW) 2005

0

1,000

2,000

3,000

4,000

5,000


Térmica despachada centralmente Térmica no despachada centralmenteCapacidad efectiva térmica promedio

Disponibilidad térmica promedio día 2005

MW

Administrador Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalBioaise Cogenerador Bioaise 1 (1) 0.48 0.38 0.31 0.32 0.28 0.32 0.12 0.33 0.33 0.26 0.40 N.A. 0.32

Total térmica 0.48 0.38 0.31 0.32 0.28 0.32 0.12 0.33 0.33 0.26 0.40 N.A. 0.32Total generación 0.48 0.38 0.31 0.32 0.28 0.32 0.12 0.33 0.33 0.26 0.40 N.A. 0.32

Cedelca Florida 0.32 0.42 0.29 0.45 0.36 0.43 0.49 0.47 0.40 0.34 0.41 0.57 0.41Menores Cauca 0.43 0.42 0.44 0.47 0.52 0.76 0.65 0.53 0.47 0.66 0.55 0.47 0.53Total hidráulica 0.35 0.42 0.33 0.46 0.40 0.52 0.53 0.48 0.42 0.43 0.45 0.54 0.44Total generación 0.35 0.42 0.33 0.46 0.40 0.52 0.53 0.48 0.42 0.43 0.45 0.54 0.44

Cedenar Menores Nariño 0.43 0.61 0.77 0.67 0.70 0.68 0.49 0.50 0.48 0.40 0.62 0.64 0.58Rio Mayo 0.62 0.63 0.63 0.57 0.58 0.67 0.66 0.61 0.52 0.45 0.69 0.72 0.61Total hidráulica 0.57 0.62 0.67 0.60 0.61 0.67 0.61 0.58 0.51 0.44 0.67 0.70 0.60Total generación 0.57 0.62 0.67 0.60 0.61 0.67 0.61 0.58 0.51 0.44 0.67 0.70 0.60

Cetsa Menores Tuluá 0.67 0.72 0.68 0.65 0.82 0.68 0.43 0.38 0.36 0.61 0.93 0.93 0.65Total hidráulica 0.67 0.72 0.68 0.65 0.82 0.68 0.43 0.38 0.36 0.61 0.93 0.93 0.65Total generación 0.67 0.72 0.68 0.65 0.82 0.68 0.43 0.38 0.36 0.61 0.93 0.93 0.65

CHB Betania 0.27 0.41 0.47 0.42 0.51 0.56 0.51 0.51 0.34 0.33 0.47 0.54 0.44Menores Huila 0.57 0.52 0.54 0.53 0.41 0.46 0.56 0.52 0.50 0.41 0.50 0.68 0.52Total hidráulica 0.27 0.41 0.47 0.42 0.51 0.56 0.51 0.51 0.35 0.33 0.47 0.54 0.44Total generación 0.27 0.41 0.47 0.42 0.51 0.56 0.51 0.51 0.35 0.33 0.47 0.54 0.44

Chec Esmeralda 0.93 0.92 0.85 0.88 0.84 0.92 0.84 0.65 0.66 0.88 0.85 0.94 0.85Menores C Q R 0.55 0.59 0.57 0.56 0.46 0.45 0.39 0.36 0.37 0.50 0.48 0.46 0.48San Francisco 0.26 0.26 0.26 0.25 0.26 0.29 0.24 0.18 0.17 0.26 0.29 0.27 0.25Total hidráulica 0.42 0.43 0.41 0.41 0.39 0.42 0.36 0.29 0.29 0.40 0.41 0.41 0.38Termodorada 1 0.02 0.00 0.00 0.12 0.49 0.09 0.12 0.03 0.07 0.02 0.01 0.02 0.08Total térmica 0.02 0.00 0.00 0.12 0.49 0.09 0.12 0.03 0.07 0.02 0.01 0.02 0.08Total generación 0.34 0.34 0.33 0.35 0.41 0.35 0.31 0.24 0.24 0.33 0.33 0.33 0.33

Chivor Chivor 0.40 0.40 0.41 0.45 0.51 0.58 0.41 0.56 0.73 0.48 0.64 0.19 0.48Total hidráulica 0.40 0.40 0.41 0.45 0.51 0.58 0.41 0.56 0.73 0.48 0.64 0.19 0.48Total generación 0.40 0.40 0.41 0.45 0.51 0.58 0.41 0.56 0.73 0.48 0.64 0.19 0.48

Corelca Barranquilla 3 0.06 0.17 0.28 0.33 0.07 0.21 0.10 0.05 0.21 0.00 0.06 0.10 0.14Barranquilla 4 0.04 0.03 0.05 0.20 0.06 0.17 0.04 0.03 0.26 0.02 0.15 0.10 0.10Flores 1 0.58 0.62 0.55 0.48 0.32 0.34 0.69 0.68 0.74 0.68 0.66 0.41 0.56Guajira 1 0.24 0.13 0.00 0.13 0.34 0.16 0.00 0.00 0.32 0.00 0.17 0.12 0.13Guajira 2 0.12 0.07 0.06 0.03 0.03 0.03 0.07 0.00 0.03 0.06 0.00 0.14 0.05TebsaB 0.47 0.62 0.67 0.89 0.49 0.62 0.61 0.77 0.73 0.43 0.49 0.58 0.61Total térmica 0.38 0.45 0.47 0.60 0.36 0.43 0.44 0.52 0.56 0.33 0.38 0.41 0.44Total generación 0.38 0.45 0.47 0.60 0.36 0.43 0.44 0.52 0.56 0.33 0.38 0.41 0.44

Eade Menores EADE 0.79 0.75 0.77 0.71 0.82 0.79 0.75 0.67 0.68 0.70 0.78 0.84 0.75Rio Piedras 0.60 0.43 0.60 0.93 0.99 1.02 0.98 0.76 0.78 1.00 1.02 1.02 0.84Total hidráulica 0.71 0.62 0.70 0.80 0.89 0.89 0.85 0.71 0.72 0.82 0.88 0.92 0.79Total generación 0.71 0.62 0.70 0.80 0.89 0.89 0.85 0.71 0.72 0.82 0.88 0.92 0.79

Gensa (2) Paipa 1 0.81 0.12 0.00 0.00 0.00 0.00 0.61 0.72 0.82 0.63 0.22 0.34 0.36Paipa 2 0.79 0.52 0.00 0.00 0.17 0.10 0.06 0.69 0.67 0.69 0.63 0.76 0.42

Factor de Utilización por agente2005



Paipa 3 0.00 0.14 0.00 0.01 0.35 0.03 0.00 0.00 0.26 0.95 0.33 0.73 0.23Paipa 4 0.77 0.39 0.44 0.42 0.99 0.62 1.01 0.84 0.97 0.61 0.06 1.01 0.68Total térmica 0.61 0.34 0.21 0.20 0.59 0.33 0.55 0.62 0.74 0.70 0.26 0.83 0.50Total generación 0.61 0.34 0.21 0.20 0.59 0.33 0.55 0.62 0.74 0.70 0.26 0.83 0.50

EEPPM Guatapé 0.74 0.83 0.80 0.62 0.47 0.36 0.61 0.81 0.75 0.77 0.19 0.61 0.63Guatron 0.48 0.46 0.51 0.66 0.60 0.58 0.63 0.58 0.55 0.62 0.60 0.47 0.56La Tasajera 0.65 0.57 0.47 0.48 0.71 0.59 0.63 0.56 0.24 0.15 0.81 0.73 0.55Menores Antioquia 0.54 0.47 0.47 0.68 0.73 0.70 0.68 0.56 0.59 0.69 0.66 0.63 0.62Playas 0.89 0.87 0.91 0.79 0.84 0.71 0.98 0.83 0.83 0.98 0.80 0.85 0.86Porce II 0.42 0.29 0.33 0.39 0.63 0.55 0.46 0.38 0.35 0.56 0.72 0.44 0.46Riogrande I 0.04 0.05 0.03 0.04 0.06 0.04 0.05 0.05 0.06 0.06 0.32 0.04 0.07Total hidráulica 0.60 0.58 0.58 0.58 0.61 0.53 0.62 0.62 0.54 0.61 0.56 0.58 0.58TermosierraB 0.19 0.15 0.11 0.13 0.00 0.09 0.21 0.02 0.22 0.06 0.00 0.03 0.10Total térmica 0.19 0.15 0.11 0.13 0.00 0.09 0.21 0.02 0.22 0.06 0.00 0.03 0.10Jepírachi 0.31 0.37 0.43 0.34 0.29 0.26 0.36 0.37 0.30 0.06 0.16 0.49 0.31Total eólica 0.31 0.37 0.43 0.34 0.29 0.26 0.36 0.37 0.30 0.06 0.16 0.49 0.31Total generación 0.53 0.50 0.49 0.50 0.50 0.45 0.54 0.51 0.48 0.51 0.46 0.48 0.50

Egetsa Menores Tolima 0.46 0.43 0.45 0.48 0.41 0.62 0.54 0.36 0.30 0.50 0.59 0.66 0.48Prado 0.63 0.31 0.50 0.39 0.87 0.23 0.29 0.20 0.03 0.47 0.38 0.88 0.43Prado IV 0.71 0.80 0.80 0.81 0.40 0.00 0.34 0.78 0.62 0.61 0.81 0.82 0.62Total hidráulica 0.61 0.37 0.52 0.44 0.77 0.27 0.33 0.27 0.12 0.49 0.45 0.84 0.46Total generación 0.61 0.37 0.52 0.44 0.77 0.27 0.33 0.27 0.12 0.49 0.45 0.84 0.46

Emgesa Guavio 0.62 0.72 0.67 0.69 0.52 0.72 0.40 0.48 0.48 0.53 0.51 0.51 0.57Menores Bogotá (3) 0.38 0.51 0.49 0.49 0.76 0.62 0.17 0.10 0.38 0.93 0.92 0.41 0.51Santa Ana (4) N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. 0.85 0.81 0.75 0.78 0.80Pagua 0.46 0.51 0.46 0.41 0.77 0.49 0.85 0.80 0.67 0.75 0.55 0.82 0.63Total hidráulica 0.55 0.64 0.59 0.59 0.61 0.64 0.52 0.56 0.54 0.62 0.55 0.60 0.58Zipaemg 2 0.00 0.06 0.05 0.00 0.00 0.06 0.00 0.10 0.21 0.07 0.00 0.00 0.04Zipaemg 3 0.07 0.00 0.00 0.07 0.00 0.05 0.00 0.00 0.07 0.02 0.00 0.00 0.02Zipaemg 4 0.05 0.00 0.02 0.05 0.00 0.00 0.42 0.83 0.51 0.33 0.00 0.10 0.19Zipaemg 5 0.00 0.06 0.00 0.00 0.06 0.00 0.19 0.77 0.55 0.30 0.00 0.10 0.17Total térmica 0.03 0.03 0.01 0.03 0.02 0.02 0.17 0.47 0.35 0.20 0.00 0.06 0.12Total generación 0.50 0.58 0.53 0.53 0.55 0.57 0.49 0.55 0.52 0.58 0.49 0.54 0.54

Emsa Termocoa N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.Total térmica N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.Total generación N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A.

Energing Puente Guillermo 0.92 0.73 0.67 0.82 0.92 0.76 0.68 0.26 0.14 0.83 0.96 1.00 0.72Total hidráulica 0.92 0.73 0.67 0.82 0.92 0.76 0.68 0.26 0.14 0.83 0.96 1.00 0.72Total generación 0.92 0.73 0.67 0.82 0.92 0.76 0.68 0.26 0.14 0.83 0.96 1.00 0.72

Epsa Alban (5) 0.53 0.46 0.46 0.43 0.53 0.42 0.26 0.34 0.31 0.68 0.73 0.47 0.47Calima 0.37 0.21 0.01 0.07 0.01 0.06 0.55 0.09 0.29 0.01 0.01 0.00 0.14Menores Valle del Cauca 0.58 0.69 0.63 0.60 0.86 0.77 0.59 0.76 0.60 0.97 1.11 1.14 0.78



Salvajina 0.50 0.67 0.66 0.50 0.28 0.24 0.24 0.23 0.24 0.18 0.26 0.69 0.39Total hidráulica 0.50 0.49 0.46 0.40 0.37 0.31 0.30 0.27 0.29 0.41 0.46 0.47 0.40Cogenerador Central Castilla 1 (1) 0.60 1.01 0.86 0.94 0.28 0.10 0.52 0.54 0.82 0.68 0.93 0.64 0.66

Cogenerador Incauca 1 (1) 1.12 1.17 1.17 1.10 0.46 1.12 1.12 1.08 1.02 0.80 0.94 0.75 0.99Cogenadores Ingenio Providencia 1 (1) 0.25 0.35 0.19 0.03 0.03 0.16 0.06 0.03 0.10 0.20 0.23 N.A. 0.15

Cogenerador Ingenio Riopaila 1 (1) 0.16 0.13 0.12 0.27 0.21 0.41 0.41 0.30 0.34 0.45 0.46 N.A. 0.30

Termovalle 1 0.00 0.00 0.00 0.00 0.01 0.01 0.04 0.01 0.06 0.02 0.13 0.03 0.03Total térmica 0.05 0.06 0.05 0.05 0.03 0.06 0.09 0.06 0.11 0.06 0.17 0.06 0.07Total generación 0.41 0.41 0.38 0.33 0.30 0.26 0.26 0.23 0.25 0.34 0.41 0.39 0.33

Essa Menores Nordeste 0.94 0.40 0.52 0.79 0.77 0.97 0.94 0.85 0.74 0.56 0.71 0.67 0.74Total hidráulica 0.94 0.40 0.52 0.79 0.77 0.97 0.94 0.85 0.74 0.56 0.71 0.67 0.74Barranca 3 (6) 0.00 N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. N.A. 0.00Palenque 3 0.02 0.00 0.03 0.03 0.01 0.09 0.10 0.07 0.09 0.10 0.10 0.02 0.06Total térmica 0.00 0.00 0.03 0.03 0.01 0.09 0.10 0.07 0.09 0.10 0.10 0.02 0.05Total generación 0.19 0.23 0.31 0.46 0.44 0.59 0.58 0.51 0.46 0.37 0.45 0.42 0.42

Genercali Termoemcali 1 0.00 0.01 0.00 0.00 0.00 0.01 0.00 0.01 0.01 0.01 0.02 0.01 0.01Total térmica 0.00 0.01 0.00 0.00 0.00 0.01 0.00 0.01 0.01 0.01 0.02 0.01 0.01Total generación 0.00 0.01 0.00 0.00 0.00 0.01 0.00 0.01 0.01 0.01 0.02 0.01 0.01

Gen.Colombiana San José 0.67 0.46 0.36 0.64 0.58 0.64 0.66 0.62 0.63 0.66 0.66 0.66 0.60Total hidráulica 0.67 0.46 0.36 0.64 0.58 0.64 0.66 0.62 0.63 0.66 0.66 0.66 0.60Total generación 0.67 0.46 0.36 0.64 0.58 0.64 0.66 0.62 0.63 0.66 0.66 0.66 0.60

Irisa Cogenerador Ingenio Risaralda (1) 0.34 0.32 0.29 0.23 0.23 0.27 0.26 0.31 0.31 0.29 0.31 0.22 0.28


Isagen Jaguas 0.40 0.46 0.43 0.48 0.45 0.38 0.63 0.22 0.32 0.52 0.75 0.44 0.46Miel I 0.63 0.53 0.64 0.45 0.54 0.44 0.30 0.20 0.15 0.19 0.52 0.86 0.45San Carlos 0.54 0.49 0.51 0.53 0.54 0.56 0.61 0.50 0.52 0.71 0.64 0.55 0.56Total hidráulica 0.55 0.50 0.53 0.51 0.53 0.51 0.54 0.41 0.42 0.57 0.62 0.61 0.53Termocentro 1 ciclo combinado 0.16 0.16 0.27 0.24 0.10 0.03 0.14 0.44 0.02 0.11 0.02 0.02 0.14


Meriléctrica Meriléctrica 1 0.04 0.04 0.02 0.05 0.03 0.05 0.03 0.00 0.06 0.18 0.07 0.02 0.05Total térmica 0.04 0.04 0.02 0.05 0.03 0.05 0.03 0.00 0.06 0.18 0.07 0.02 0.05Total generación 0.04 0.04 0.02 0.05 0.03 0.05 0.03 0.00 0.06 0.18 0.07 0.02 0.05

Proeléctrica Proeléctrica 1 0.03 0.00 0.01 0.02 0.00 0.12 0.27 0.09 0.17 0.06 0.13 0.09 0.08Proeléctrica 2 0.05 0.01 0.01 0.04 0.03 0.08 0.22 0.11 0.14 0.05 0.15 0.13 0.09Total térmica 0.04 0.01 0.01 0.03 0.01 0.10 0.24 0.10 0.16 0.06 0.14 0.11 0.09Total generación 0.04 0.01 0.01 0.03 0.01 0.10 0.24 0.10 0.16 0.06 0.14 0.11 0.09

Proenca Cogenerador Proenca 1 (1) 0.11 0.15 0.11 0.17 0.14 0.18 0.13 0.20 0.13 0.15 0.08 0.13 0.14




Termocandelaria Termocandelaria 1 0.01 0.01 0.06 0.03 0.01 0.08 0.00 0.01 0.08 0.03 0.15 0.23 0.06Termocandelaria 2 0.01 0.00 0.07 0.02 0.01 0.02 0.00 0.01 0.06 0.01 0.06 0.11 0.03Total térmica 0.01 0.01 0.06 0.02 0.01 0.05 0.00 0.01 0.07 0.02 0.10 0.17 0.04Total generación 0.01 0.01 0.06 0.02 0.01 0.05 0.00 0.01 0.07 0.02 0.10 0.17 0.04

Termocartagena Cartagena 1 0.00 0.01 0.00 0.00 0.00 0.00 0.00 0.02 0.01 0.02 0.00 0.00 0.00Cartagena 2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Cartagena 3 0.00 0.01 0.02 0.01 0.02 0.02 0.00 0.01 0.01 0.01 0.01 0.00 0.01Total térmica 0.00 0.01 0.01 0.00 0.01 0.01 0.00 0.01 0.01 0.01 0.00 0.00 0.01Total generación 0.00 0.01 0.01 0.00 0.01 0.01 0.00 0.01 0.01 0.01 0.00 0.00 0.01

Termoflores Flores 2 0.12 0.02 0.14 0.21 0.03 0.09 0.25 0.31 0.62 0.13 0.22 0.28 0.20Flores 3 0.24 0.54 0.20 0.16 0.15 0.37 0.02 0.21 0.49 0.12 0.40 0.62 0.29Total térmica 0.19 0.34 0.18 0.18 0.10 0.26 0.11 0.25 0.54 0.12 0.33 0.49 0.26Total generación 0.19 0.34 0.18 0.18 0.10 0.26 0.11 0.25 0.54 0.12 0.33 0.49 0.26

Termopiedras Tpiedras 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total térmica 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Total generación 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Termotasajero Tasajero 1 0.09 0.14 0.17 0.27 0.15 0.25 0.49 0.78 0.73 0.19 0.35 0.63 0.35Total térmica 0.09 0.14 0.17 0.27 0.15 0.25 0.49 0.78 0.73 0.19 0.35 0.63 0.35Total generación 0.09 0.14 0.17 0.27 0.15 0.25 0.49 0.78 0.73 0.19 0.35 0.63 0.35

Termoyopal Termoyopal 1 (7) N.A. N.A. 1.31 0.97 0.94 1.00 1.00 0.17 0.00 0.00 0.00 0.30 0.57Termoyopal 2 0.70 0.74 0.60 0.93 0.78 0.83 0.08 0.71 0.74 0.77 0.00 0.00 0.57Total térmica 0.70 0.78 0.81 0.95 0.84 0.90 0.43 0.50 0.45 0.47 0.00 0.12 0.58Total generación 0.70 0.78 0.81 0.95 0.84 0.90 0.43 0.50 0.45 0.47 0.00 0.12 0.58

Urrá Urrá 0.28 0.44 0.28 0.31 0.41 0.52 0.54 0.47 0.46 0.58 0.53 0.34 0.43Total hidráulica 0.28 0.44 0.28 0.31 0.41 0.52 0.54 0.47 0.46 0.58 0.53 0.34 0.43Total generación 0.28 0.44 0.28 0.31 0.41 0.52 0.54 0.47 0.46 0.58 0.53 0.34 0.43

Plantas despachadas centralmente 0.41 0.42 0.42 0.42 0.42 0.42 0.42 0.44 0.44 0.43 0.43 0.43 0.43Hidráulica (8) 0.51 0.53 0.52 0.51 0.54 0.53 0.51 0.50 0.49 0.54 0.55 0.52 0.52Térmica 0.21 0.23 0.22 0.26 0.19 0.21 0.25 0.31 0.35 0.21 0.19 0.27 0.24

Plantas no despachadas centralmente 0.52 0.52 0.55 0.61 0.67 0.66 0.50 0.40 0.47 0.66 0.69 0.59 0.57Hidráulica (9) 0.53 0.53 0.54 0.61 0.71 0.67 0.48 0.40 0.50 0.74 0.76 0.61 0.59Térmica 0.51 0.59 0.76 0.69 0.53 0.70 0.69 0.36 0.29 0.25 0.28 0.39 0.50Eólica 0.31 0.37 0.43 0.34 0.29 0.26 0.36 0.37 0.30 0.06 0.16 0.49 0.31

Total generación SIN 0.41 0.43 0.42 0.43 0.43 0.43 0.43 0.44 0.44 0.44 0.44 0.44 0.43

(1): Cogenerador no despachado centralmente.

(3): Incluye la planta menor Santa Ana entre el nueve de junio de 2005 y el 31 de agosto de 2005.(4): Corresponde a la generación de Santa Ana como planta menor desde septiembre de 2005

(2) : Hasta el 31 de octubre de 2005, Empresa de Energía de Boyacá (Ebsa) era el representante comercial de las unidades 1,2,3 y 4 de TermoPaiopa. A partir del 1 de noviembre de 2005, el representante de dichas plantas es GENSA S.A. E.S.P.



(5): Incluye las plantas Alto Anchicayá y Bajo Anchicayá.(6): Se retiró del Mercado de Energía Mayorista el 28 de enero de 2005.(7): Entró a pruebas el 4 de agosto de 2004 y en explotación comercial el 11 de marzo de 2005.(8): Incluye a Florida como planta despachada centralmente hasta el 22 de diciembre de 2005.(9): Incluye a Florida como planta menor a partir del 23 de diciembre de 2005.(10): El signo negativo significa exportación.

Región Río Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalA. San Lorenzo 165.85 135.24 165.85 225.90 304.42 268.50 258.54 268.46 325.50 341.00 289.80 207.70 2,956.76Concepción 34.41 29.12 32.24 41.10 59.52 60.60 64.79 63.55 64.50 67.58 60.00 46.81 624.22Desv. EEPPM (Nec,Paj,Dol) (2) 53.63 42.56 49.91 63.90 99.82 87.90 93.31 87.73 91.50 102.92 90.00 70.99 934.17

Grande 177.32 151.20 179.49 239.10 302.56 268.20 246.76 248.00 266.70 336.04 318.90 246.76 2,981.03Guadalupe 97.96 81.20 92.69 126.30 179.49 182.40 185.69 193.44 196.80 200.26 166.20 131.13 1,833.56Guatapé 117.18 92.68 118.73 166.80 194.06 156.60 134.54 144.77 195.30 229.09 208.50 153.76 1,912.01Miel I 106.33 95.76 107.57 118.80 130.82 89.40 61.69 64.79 89.40 133.30 157.20 143.84 1,298.90Nare 381.92 308.84 363.63 469.80 637.98 587.10 506.85 515.22 608.40 707.73 682.20 528.24 6,297.91Porce II 82.46 69.44 75.95 95.40 134.54 125.40 114.39 115.94 138.90 161.82 140.10 108.19 1,362.53San Carlos 68.20 52.08 64.48 107.10 122.45 94.50 84.32 88.35 116.40 147.87 138.30 100.44 1,184.49Tenche 18.91 18.20 19.84 25.80 35.03 36.30 36.58 36.89 37.20 39.06 33.30 26.04 363.15

Antioquia Total Región 1,304.17 1,076.32 1,270.38 1,680.00 2,200.69 1,956.90 1,787.46 1,827.14 2,130.60 2,466.67 2,284.50 1,763.90 21,748.73Sinú Urrá 59.83 41.44 44.95 75.30 142.60 159.00 169.88 155.93 144.00 159.03 136.20 98.58 1,386.74

Caribe Total Región 59.83 41.44 44.95 75.30 142.60 159.00 169.88 155.93 144.00 159.03 136.20 98.58 1,386.74Bogotá N.R. 116.87 95.76 132.99 282.60 505.92 514.80 556.14 427.80 264.30 418.81 548.40 301.94 4,166.33Magdalena Betania 129.89 124.04 160.27 201.00 236.53 258.30 288.92 224.75 157.20 176.39 195.30 171.12 2,323.71Prado 16.12 15.96 19.53 23.70 21.70 14.70 10.54 10.85 8.10 17.98 25.80 22.32 207.30

Centro Total Región 262.88 235.76 312.79 507.30 764.15 787.80 855.60 663.40 429.60 613.18 769.50 495.38 6,697.34Bata (3) 79.67 65.80 99.51 239.70 502.82 740.10 927.83 803.21 481.20 401.14 319.20 172.36 4,832.54Blanco 6.82 6.16 10.23 17.40 29.14 34.80 40.61 27.90 21.30 20.46 18.30 11.78 244.90Chuza 41.54 45.64 78.12 162.00 239.32 307.20 329.84 248.93 176.70 160.89 119.10 67.27 1,976.55Guavio 138.57 136.92 219.48 464.70 795.46 1,004.10 1,099.26 837.00 550.50 485.77 367.50 235.29 6,334.55

Oriente Total Región 266.60 254.52 407.34 883.80 1,566.74 2,086.20 2,397.54 1,917.04 1,229.70 1,068.26 824.10 486.70 13,388.54Otros ríos (estimados) (4) 101.37 91.00 106.02 128.40 137.64 119.10 101.06 88.04 89.10 124.62 137.70 126.17 1,350.22

Ríos Estimados Total Región 101.37 91.00 106.02 128.40 137.64 119.10 101.06 88.04 89.10 124.62 137.70 126.17 1,350.22Alto Anchicayá 134.54 111.44 120.28 159.30 178.25 139.50 101.37 95.17 121.50 192.82 192.90 168.64 1,715.71Calima 15.81 12.32 13.64 18.30 22.63 18.00 12.09 9.61 11.10 21.39 27.90 22.63 205.42Cauca Salvajina 113.77 90.16 94.86 100.20 103.85 84.30 71.30 51.46 42.00 75.33 130.20 146.01 1,103.44Digua 12.71 10.08 10.54 13.50 16.12 13.20 10.23 9.92 12.60 20.15 21.30 17.67 168.02Florida II 4.03 4.20 4.96 6.60 9.61 12.90 18.91 14.26 8.40 7.13 6.30 5.58 102.88

Valle Total Región 280.86 228.20 244.28 297.90 330.46 267.90 213.90 180.42 195.60 316.82 378.60 360.53 3,295.47Total SIN 2,275.71 1,927.24 2,385.76 3,572.70 5,142.28 5,376.90 5,525.44 4,831.97 4,218.60 4,748.58 4,530.60 3,331.26 47,867.04

(1) : Incluye las modificaciones en los aportes medios históricos a lo largo del año.(2) : Desv. EEPPM, sumatoria de los promedios históricos de los ríos Nechí, Pajarito y Dolores.(3) : Batá, corresponde a los aportes medios históricos de los ríos Batá, Tunjita, Rucio y Negro.(4) : Otros ríos (estimados), incluye los promedios históricos de los ríos San Francisco, Campoalegre, Estrella, Faguacampoalegre, Chinchiná, Quebradona y Río Mayo.

Evolución aportes medios históricos por río (GWh) (1)2005

Región Río Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic PromedioA. San Lorenzo 24.03 21.70 24.01 33.84 44.95 40.97 38.16 39.65 49.65 50.35 44.22 30.67 36.85Concepción 4.92 4.61 4.60 6.07 8.52 8.98 9.27 9.11 9.54 9.70 8.87 6.70 7.57Desv. EEPPM (Nec,Paj,Dol) (2) 7.68 6.74 7.13 9.47 14.31 13.02 13.35 12.58 13.55 14.75 13.31 10.19 11.34

Grande 23.36 22.08 23.67 32.58 40.01 36.64 32.65 32.80 36.47 44.46 43.60 32.64 33.41Guadalupe 14.01 12.88 13.26 18.71 25.69 26.98 26.61 27.72 29.12 28.70 24.62 18.77 22.26Guatapé 22.88 20.01 23.15 33.66 38.75 32.29 26.85 28.91 40.29 45.69 42.98 30.66 32.18Miel I 78.38 78.14 79.35 90.53 96.38 68.10 45.51 47.82 68.08 98.31 119.58 105.97 81.35Nare 35.20 31.51 33.52 44.74 59.39 56.47 47.17 47.97 58.53 65.88 65.61 49.17 49.60Porce II 52.95 49.36 48.81 63.34 87.86 84.62 74.70 75.69 93.68 105.51 94.50 70.55 75.13San Carlos 17.76 14.99 16.78 28.78 32.80 26.13 22.54 23.65 32.17 39.63 38.24 26.90 26.70

ANTIOQUIA Tenche 2.70 2.87 2.83 3.83 5.03 5.39 5.24 5.29 5.50 5.61 4.93 3.75 4.41CARIBE Sinú Urrá 173.60 132.87 130.59 225.80 414.13 476.78 493.37 452.63 431.86 461.53 408.50 286.22 340.66

Bogotá N.R. 8.68 7.88 9.88 21.69 37.58 39.51 41.30 31.78 20.28 31.10 42.09 22.43 26.18Magdalena Betania 281.06 297.33 346.96 449.44 514.05 579.61 627.49 487.96 353.17 383.43 438.38 371.55 427.54

CENTRO Prado 47.07 52.42 57.73 71.63 65.69 45.83 31.83 32.33 24.89 54.36 80.01 66.68 52.54Bata (3) 15.64 14.27 19.49 48.54 98.62 150.02 182.01 157.55 97.57 78.69 64.69 33.83 80.08Blanco 0.50 0.50 0.75 1.33 2.16 2.66 3.02 2.08 1.64 1.52 1.40 0.89 1.54Chuza 3.08 3.75 5.80 12.43 17.77 23.57 24.51 18.48 13.56 11.95 9.13 4.99 12.42

ORIENTE Guavio 18.62 20.35 29.47 64.52 106.89 139.41 147.70 112.47 76.46 65.28 51.04 31.61 71.99Alto Anchicayá 40.82 37.40 36.45 49.88 54.40 43.97 30.95 29.01 38.26 58.81 60.82 51.45 44.35Calima 10.93 9.51 9.45 13.08 15.73 12.94 8.40 6.62 7.86 14.70 20.05 15.73 12.08Cauca Salvajina 165.28 144.89 137.63 150.23 151.12 126.98 103.85 74.85 63.22 109.54 195.71 212.43 136.31Digua 25.93 22.97 21.68 28.48 33.66 28.38 21.52 20.39 26.73 41.85 45.42 36.43 29.45

VALLE Florida II 6.69 7.27 7.80 11.22 15.29 21.40 30.29 22.94 13.96 11.75 10.41 8.84 13.99

(1) : Incluye las modificaciones en los aportes medios históricos a lo largo del año.(2) : Desv. EEPPM, sumatoria de los promedios históricos de los ríos Nechí, Pajarito y Dolores.(3) : Batá, corresponde a los aportes medios históricos de los ríos Batá, Tunjita, Rucio y Negro.

Evolución aportes medios históricos por río (m3/s) (1)2005

Región Río Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic PromedioA. San Lorenzo (1) 23.07 17.52 12.79 30.50 37.73 49.58 24.96 27.64 40.22 44.53 60.68 24.96 32.85Concepción 4.73 3.69 4.15 7.46 8.14 7.93 5.53 5.48 6.76 7.93 9.55 4.25 6.30Desv. EEPPM (Nec,Paj,Dol) (2)

8.78 4.74 4.34 8.07 10.53 10.78 8.89 7.80 7.31 10.75 5.49 8.99 8.04

Grande 20.84 15.77 14.35 22.76 36.58 30.41 21.92 18.37 22.16 41.37 43.76 27.94 26.35Guadalupe 9.59 9.19 9.56 20.25 22.10 27.74 17.94 16.61 21.97 25.87 34.16 19.09 19.50Guatapé 23.94 15.80 16.41 31.44 43.80 47.99 29.90 27.17 33.53 41.13 60.03 25.60 33.06Miel I 114.81 127.12 95.37 79.42 135.52 98.63 54.80 35.91 46.97 127.62 173.12 178.49 105.65Nare (3) 36.66 25.92 32.68 43.01 71.63 68.29 42.48 36.14 48.72 67.62 74.29 37.19 48.72Porce II 72.34 58.52 58.02 76.70 116.06 112.42 90.34 73.42 83.78 132.34 144.18 82.98 91.76San Carlos 15.76 13.66 11.22 18.19 35.22 41.11 19.62 18.08 19.26 39.40 65.43 19.12 26.34

Antioquia Tenche 1.75 2.81 2.51 4.42 4.45 5.71 4.50 3.64 3.78 4.68 6.01 2.82 3.92Caribe Sinú Urrá 174.11 161.56 104.48 259.14 398.01 513.94 418.88 402.70 428.39 496.91 416.83 236.16 334.26

Bogotá N.R. 6.57 11.82 4.62 20.77 60.67 28.28 10.47 27.93 31.43 36.91 47.20 17.25 25.33Magdalena Betania 237.91 373.43 306.49 518.61 426.10 499.71 441.25 452.04 347.62 385.10 430.01 460.63 406.57

Centro Prado 33.91 58.93 50.61 38.71 73.03 21.87 11.68 10.13 13.86 114.91 118.16 83.93 52.48Bata (4) 16.17 19.37 12.37 47.66 108.26 106.97 112.14 151.54 139.13 79.47 94.86 22.83 75.90Blanco 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Chuza 1.97 2.91 1.66 10.93 16.25 15.65 12.36 13.88 12.82 9.84 11.41 1.93 9.30

Oriente Guavio 14.83 26.09 18.52 84.44 118.71 100.71 80.38 90.67 94.17 65.80 80.09 21.89 66.36Alto Anchicayá 50.78 47.65 45.63 43.46 52.70 41.51 27.48 30.09 32.69 69.25 77.15 45.55 47.00Calima 11.35 13.73 12.14 11.64 15.93 9.52 7.84 5.49 5.92 11.99 20.23 20.20 12.17Cauca Salvajina 155.31 186.31 182.09 124.31 129.83 85.70 66.13 58.33 51.74 116.10 212.19 239.75 133.98Digua 33.52 29.03 23.20 23.74 36.64 28.10 15.79 20.26 19.78 40.96 40.81 20.05 27.66

Valle Florida II 9.11 12.01 8.56 13.14 10.27 13.64 12.83 13.42 11.90 10.22 11.67 12.47 11.60

(1): A. San Lorenzo, corresponde a los aportes netos a partir de la presa de Santa Rita hasta el embalse de San Lorenzo.(2): Desv. EEPPM, es el total de aportes desviados desde los ríos Nechí, Pajarito y Dolores.(3): Nare, corresponde a las afluencias netas al embalse del Peñol, sin corregir por las intervenciones que hay sobre la cuenca. (4): Bata, incluye los aportes del río Batá y de las desviaciones Tunjita+Rucio+Negro en los meses que estuvieron activas.

Aportes hídricos reales por río (m3/s) 2005

Región Río Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalA. San Lorenzo (1) 156.29 107.23 86.62 199.98 255.57 325.0580 169.08 187.26 263.69 301.68 397.65 163.44 2,613.54Concepción 33.00 23.27 28.98 50.39 56.81 53.6021 38.59 38.24 45.65 55.33 64.54 29.59 517.99Desv. EEPPM (Nec,Paj,Dol) (2)

61.27 29.90 30.27 54.54 73.50 72.8162 62.06 54.48 49.37 75.02 37.07 62.69 662.99

Grande 157.58 107.72 108.51 166.55 276.58 222.4806 165.75 138.92 162.13 312.79 320.19 211.15 2,350.36Guadalupe 66.91 57.97 66.70 136.77 154.25 187.3809 125.25 115.92 148.39 180.58 230.76 133.06 1,603.96Guatapé 119.98 71.54 82.23 152.49 219.53 232.7792 149.84 136.18 162.63 206.15 291.01 123.63 1,947.99Miel I 155.83 155.84 129.44 104.31 183.92 129.5381 74.37 48.73 61.69 173.21 224.53 214.06 1,655.46Nare (3) 393.78 251.53 351.03 447.18 769.47 710.0025 456.36 388.22 506.48 726.43 772.12 393.47 6,166.06Porce II 110.89 81.02 88.94 113.79 177.92 166.7703 138.48 112.55 124.28 202.87 213.89 127.23 1,658.63San Carlos 58.84 46.07 41.91 65.74 131.52 148.5532 73.26 67.53 69.60 147.15 236.33 68.09 1,154.58Tenche 12.23 17.71 17.54 29.86 31.05 38.5745 31.40 25.41 25.53 32.69 40.59 19.67 322.25

Antioquia Total Región 1,326.59 949.78 1,032.16 1,521.60 2,330.12 2287.5556 1,484.45 1,313.45 1,619.44 2,413.90 2,828.67 1,546.09 20,653.81Sinú Urrá 59.95 50.25 35.97 86.35 137.04 171.2523 144.23 138.66 142.75 171.10 138.88 80.84 1,357.28

Caribe Total Región 59.95 50.25 35.97 86.35 137.04 171.2523 144.23 138.66 142.75 171.10 138.88 80.84 1,357.28Bogotá N.R. 88.51 143.70 62.21 270.64 816.89 368.4889 140.95 376.02 409.48 497.00 614.97 232.28 4,021.14Magdalena Betania 109.53 155.28 141.10 231.06 196.17 222.6400 203.14 208.11 154.88 177.30 191.60 212.75 2,203.57Prado 11.28 17.70 16.83 12.46 24.29 7.0370 3.89 3.37 4.46 38.21 38.05 29.68 207.26

Centro Total Región 209.32 316.68 220.15 514.16 1,037.34 598.1659 347.98 587.50 568.82 712.51 844.61 474.72 6,431.96Bata (4) 82.43 89.19 63.04 235.11 551.84 527.6966 571.66 772.49 686.32 405.10 467.90 116.37 4,569.15Blanco 0.00 0.00 0.00 0.00 0.00 0.0000 0.00 0.00 0.00 0.00 0.00 0.00 0.00Chuza 26.51 35.40 22.39 142.41 218.81 203.8929 166.38 186.84 166.99 132.52 148.64 25.99 1,476.76Guavio 110.33 175.34 137.84 608.14 883.41 725.3149 598.21 674.79 678.17 489.66 576.80 162.88 5,820.88

Oriente Total Región 219.27 299.93 223.28 985.66 1,654.06 1456.9044 1,336.25 1,634.12 1,531.48 1,027.27 1,193.34 305.23 11,866.78Otros ríos (estimados) (5) 99.14 94.69 84.65 125.39 150.37 107.3069 64.75 71.24 86.85 126.00 168.37 108.70 1,287.45

Ríos estimados Total Región 99.14 94.69 84.65 125.39 150.37 107.3069 64.75 71.24 86.85 126.00 168.37 108.70 1,287.45Alto Anchicayá 166.50 141.11 149.61 137.89 172.78 131.7134 90.09 98.65 103.73 227.05 244.77 148.27 1,812.15Calima 16.41 17.92 17.55 16.28 23.02 13.3157 11.33 7.94 8.28 17.33 28.29 28.78 206.45Cauca Salvajina 106.67 115.57 125.06 82.62 89.16 56.9621 45.41 40.06 34.39 79.73 140.92 159.98 1,076.54Digua 16.18 12.65 11.19 11.09 17.68 13.1237 7.62 9.78 9.24 19.76 19.06 9.68 157.04Florida II 5.65 6.73 5.31 7.88 6.37 8.1850 7.95 8.32 7.14 6.34 7.00 7.73 84.61

Valle Total Región 311.40 293.98 308.71 255.76 309.01 223.2999 162.41 164.74 162.78 350.22 440.03 354.44 3,336.79Total SIN 2,225.67 2,005.31 1,904.92 3,488.92 5,617.95 4,844.485 3,540.06 3,909.70 4,112.12 4,801.00 5,613.91 2,870.02 44,934.07

(1): A. San Lorenzo, corresponde a los aportes netos a partir de la presa de Santa Rita hasta el embalse de San Lorenzo.(2): Desv. EEPPM, es el total de aportes desviados desde los ríos Nechí, Pajarito y Dolores. (3): Nare, corresponde a las afluencias netas al embalse del Peñol, sin corregir por las intervenciones que hay sobre la cuenca. (4): Batá, contiene los aportes del río Batá y de las desviaciones Tunjita+Rucio+Negro en los meses que estuvieron activas. (5): Otros ríos (estimados), incluye los ríos San Francisco, Campo Alegre, Estrella, FaguaCampoalegre, Chinchiná, Quebradona y Río Mayo.

Aportes hídricos reales por río (GWh) 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 193.69 209.17 145.48 112.20 118.94 106.19 70.47 44.35 43.73 148.83 201.13 195.49Miraflores 232.97 174.64 108.30 107.39 130.93 162.61 137.55 107.28 108.53 141.45 182.16 198.46Peñol 3,788.79 3,392.77 3,051.29 2,977.13 3,338.12 3,746.97 3,680.12 3,364.31 3,243.11 3,301.24 3,852.19 3,727.24Playas 97.80 121.65 97.23 118.81 116.22 127.90 108.38 105.04 139.08 132.14 123.66 107.50Porce II 52.13 60.06 45.36 45.47 42.65 49.76 52.13 49.52 49.36 42.96 54.01 56.10Punchiná 41.47 27.06 13.46 14.35 36.25 42.41 39.92 39.28 41.98 20.30 57.11 23.78Riogrande 2 407.70 328.26 261.77 252.25 280.19 304.00 251.53 187.24 246.94 484.83 502.26 463.19San Lorenzo 361.90 267.06 145.93 103.92 106.86 241.29 111.59 211.64 342.45 399.01 402.87 369.52Troneras 48.33 58.05 41.89 33.55 41.08 59.50 47.58 39.61 57.72 72.91 49.92 49.01

Antioquia Total Región 5,224.78 4,638.72 3,910.70 3,765.08 4,211.24 4,840.64 4,499.26 4,148.29 4,272.90 4,743.67 5,425.31 5,190.29Urrá 1 186.85 139.20 94.42 87.17 104.25 132.95 124.70 128.03 149.25 179.34 196.61 197.82

Caribe Total Región 186.85 139.20 94.42 87.17 104.25 132.95 124.70 128.03 149.25 179.34 196.61 197.82Agregado Bogotá 3,166.24 3,026.91 2,945.63 2,772.35 2,840.93 2,867.40 2,828.32 2,914.94 3,000.09 3,094.10 3,270.95 3,206.47Betania 220.78 215.23 158.28 221.45 206.61 202.80 185.84 175.88 182.36 212.62 213.56 199.93Muña 81.18 87.69 51.18 94.69 91.17 91.87 71.49 83.90 92.57 93.99 94.69 72.80Prado 73.92 79.42 76.60 73.03 66.66 65.86 57.57 36.74 36.36 54.75 82.66 79.83

Centro Total Región 3,542.11 3,409.24 3,231.69 3,161.53 3,205.37 3,227.93 3,143.22 3,211.47 3,311.38 3,455.46 3,661.87 3,559.03Chuza 587.23 469.50 321.11 356.25 577.33 654.09 571.40 700.03 845.36 789.86 770.96 623.78Esmeralda 812.86 611.92 337.17 202.50 363.93 426.02 632.58 950.05 1,098.97 1,147.85 1,132.63 1,106.54Guavio 1,413.06 1,016.07 554.02 562.06 984.02 1,101.20 1,352.70 1,607.59 1,885.74 1,924.24 2,074.48 1,802.57

Oriente Total Región 2,813.15 2,097.49 1,212.30 1,120.81 1,925.27 2,181.30 2,556.68 3,257.67 3,830.06 3,861.95 3,978.07 3,532.88Alto Anchicayá 15.78 14.80 11.64 10.80 10.04 12.88 17.68 7.53 9.06 12.53 20.04 10.88Calima 1 134.08 129.71 143.58 149.91 169.19 174.29 126.35 122.25 98.34 112.45 134.90 160.87Salvajina 145.31 132.95 113.51 77.22 97.71 99.67 88.09 71.33 39.22 63.48 142.83 170.36

Valle Total Región 295.17 277.45 268.73 237.93 276.94 286.84 232.11 201.11 146.62 188.46 297.76 342.11Total SIN 12,062.05 10,562.11 8,717.84 8,372.52 9,723.07 10,669.67 10,555.97 10,946.56 11,710.22 12,428.88 13,559.61 12,822.14

(1) : Reservas corresponden al volumen almacenado por encima del Nivel Mínimo Físico el último día de cada mes.

Evolución de reservas por embalse (GWh) (1)2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 382.26 412.80 287.12 221.43 234.74 209.58 139.07 87.53 86.30 293.73 449.16 436.56Miraflores 89.39 67.01 41.56 41.21 50.24 62.39 52.78 41.16 41.64 54.27 70.01 76.27Peñol 944.62 845.89 760.75 742.26 832.26 934.20 917.53 838.79 808.57 823.07 975.09 943.46Playas 52.26 65.01 51.96 63.49 62.11 68.35 57.92 56.13 74.32 70.62 68.59 59.63Porce II 91.08 104.95 79.25 79.46 74.52 86.96 91.08 86.53 86.25 75.06 94.33 98.00Punchiná 29.74 19.41 9.65 10.29 26.00 30.42 28.63 28.17 30.11 14.56 42.96 17.89Riogrande 2 144.43 116.29 92.73 89.36 99.26 107.69 89.11 66.33 87.48 171.76 178.02 164.17San Lorenzo 143.09 105.59 57.70 41.09 42.25 95.40 44.12 83.68 135.40 157.76 164.78 151.14

Antioquia Troneras 18.55 22.28 16.07 12.88 15.76 22.83 18.26 15.20 22.15 27.98 19.19 18.83Caribe Urrá 1 1,452.93 1,082.40 734.20 677.86 810.65 1,033.83 969.64 995.60 1,160.60 1,394.53 1,538.38 1,547.90

Agregado Bogotá 629.87 602.16 585.99 551.51 565.16 570.42 562.65 579.88 596.82 615.52 650.70 637.88Betania 1,284.33 1,252.04 920.78 1,288.26 1,201.92 1,179.78 1,081.07 1,023.17 1,060.87 1,236.86 1,238.75 1,159.68Muña 16.15 17.44 10.18 18.84 18.14 18.28 14.22 16.69 18.42 18.70 18.84 14.48

Centro Prado 595.19 639.42 616.72 588.01 536.70 530.27 463.53 295.85 292.73 440.85 626.21 604.78Chuza 116.82 93.40 63.88 70.87 114.85 130.12 113.67 139.26 168.17 157.13 153.37 124.09Esmeralda 427.10 321.52 177.16 106.40 191.22 223.84 332.38 499.18 577.43 603.12 595.18 581.47

Oriente Guavio 508.57 365.69 199.40 202.29 354.16 396.33 486.85 578.58 678.69 692.55 746.75 648.87Alto Anchicayá 12.89 12.09 9.51 8.82 8.20 10.52 14.44 6.15 7.40 10.24 16.49 8.95Calima 1 248.48 240.38 266.08 277.81 313.55 323.00 234.15 226.55 182.25 208.40 253.61 302.45

Valle Salvajina 566.72 518.51 442.70 301.18 381.08 388.74 343.55 278.21 152.96 247.57 573.37 683.92

(1) : Valores tomados el último día de cada mes en millones de metros cúbicos.

Evolución de reservas por embalse (Mm3) (1) 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 80.77 87.22 60.67 46.79 49.60 44.28 29.38 18.49 18.23 62.06 94.90 92.24Miraflores 90.21 67.62 41.94 41.59 50.70 62.97 53.26 41.54 42.03 54.77 70.65 76.97Peñol 88.27 79.04 71.08 69.36 77.77 87.29 85.73 78.38 75.55 76.91 91.11 88.16Playas 75.66 94.10 75.21 91.91 89.91 98.94 83.84 81.26 107.59 102.22 99.30 86.32Porce II 60.98 70.26 53.06 53.19 49.89 58.22 60.98 57.93 57.74 50.25 63.15 65.61Punchiná 50.26 32.80 16.31 17.39 43.94 51.41 48.39 47.61 50.89 24.61 72.60 30.23Riogrande 2 77.09 62.07 49.49 47.69 52.98 57.48 47.56 35.40 46.69 91.67 95.01 87.62San Lorenzo 79.40 58.59 32.02 22.80 23.44 52.94 24.48 46.43 75.13 87.54 91.43 83.86Troneras 59.14 71.03 51.25 41.06 50.26 72.80 58.22 48.47 70.62 89.21 61.18 60.06

Antioquia Total Región 84.90 75.37 63.54 61.18 68.43 78.66 73.11 67.41 69.43 77.08 89.86 85.97Urrá 1 89.00 66.30 44.97 41.52 49.66 63.33 59.40 60.99 71.09 85.42 94.23 94.82

Caribe Total Región 89.00 66.30 44.97 41.52 49.66 63.33 59.40 60.99 71.09 85.42 94.23 94.82Agregado Bogotá 71.06 67.93 66.11 62.22 63.76 64.35 63.48 65.42 67.33 69.44 73.41 71.96Betania 94.27 91.90 67.59 94.56 88.22 86.60 79.35 75.10 77.87 90.79 90.93 85.12Muña 84.77 91.57 53.44 98.89 95.21 95.94 74.66 87.62 96.67 98.15 98.89 76.03Prado 70.65 75.90 73.20 69.79 63.70 62.94 55.02 40.27 39.85 60.01 85.25 82.33

Centro Total Región 72.43 69.71 66.08 64.65 65.54 66.01 64.27 65.85 67.90 70.85 74.99 72.88Chuza 51.46 41.15 28.14 31.22 50.59 57.32 50.07 61.35 74.08 69.22 67.56 54.67Esmeralda 70.20 52.85 29.12 17.49 31.43 36.79 54.63 82.05 94.91 99.14 97.83 95.58Guavio 65.04 46.77 25.50 25.87 45.29 50.69 62.26 74.00 86.80 88.57 95.51 82.99

Oriente Total Región 62.91 46.91 27.11 25.07 43.06 48.78 57.18 72.85 85.66 86.37 88.98 79.02Alto Anchicayá 34.27 32.15 25.29 23.45 21.80 27.97 38.39 16.35 19.68 27.23 43.84 23.80Calima 1 48.60 47.01 52.04 54.33 61.32 63.17 45.80 44.31 35.64 40.76 49.60 59.15Salvajina 71.12 65.07 55.56 37.80 47.83 48.79 43.12 34.92 19.20 31.07 71.96 85.83

Valle Total Región 56.09 52.72 51.07 45.21 52.63 54.51 44.11 38.22 27.86 35.81 57.69 66.28Total SIN 74.22 64.99 53.64 51.52 59.83 65.65 64.95 67.41 72.11 76.54 84.14 79.56

(1) : Valores tomados el último día de cada mes. El porcentaje se calcula con respecto al volumen máximo técnico del embalse vigente en cada fecha.

Evolución de reservas por embalse (%) (1) 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 169.38 184.85 121.17 87.89 94.63 81.88 46.16 20.04 19.42 124.52 179.65 174.01Miraflores 218.50 160.17 93.84 92.93 116.47 148.15 123.09 92.82 94.07 126.98 167.72 184.02Peñol 3,506.91 3,110.89 2,769.41 2,695.25 3,056.23 3,465.09 3,398.23 3,082.43 2,961.22 3,019.36 3,574.54 3,449.59Playas 61.44 85.29 60.87 82.45 79.87 91.54 72.02 68.68 102.72 95.78 88.63 72.47Porce II 21.69 29.62 14.91 15.03 12.21 19.32 21.69 19.08 18.92 12.52 23.55 25.65Punchiná 33.20 18.80 5.19 6.08 27.98 34.15 31.65 31.01 33.71 12.03 49.23 15.90Riogrande 2 271.07 191.64 125.14 115.62 143.56 167.37 114.90 50.62 110.31 348.21 365.70 326.63San Lorenzo 317.47 222.62 101.50 59.49 62.42 196.85 67.15 167.21 298.02 354.57 359.91 326.57Troneras 23.49 33.22 17.05 8.72 16.24 34.66 22.75 14.77 32.88 48.08 25.12 24.21

Antioquia Total Región 4,623.15 4,037.09 3,309.08 3,163.45 3,609.61 4,239.02 3,897.64 3,546.66 3,671.27 4,142.05 4,834.06 4,599.04Urrá 1 132.77 85.12 40.34 33.10 50.17 78.87 70.62 73.96 95.18 125.26 142.87 144.08

Caribe Total Región 132.77 85.12 40.34 33.10 50.17 78.87 70.62 73.96 95.18 125.26 142.87 144.08Agregado Bogotá 3,166.24 3,026.91 2,945.63 2,772.35 2,840.93 2,867.40 2,828.32 2,914.94 3,000.09 3,094.10 3,270.95 3,206.47Betania 132.79 127.24 70.29 133.46 118.62 114.82 97.85 87.89 94.37 124.63 125.32 111.68Muña 55.64 62.15 25.64 69.16 65.63 66.33 45.95 58.37 67.04 68.45 69.16 47.27Prado 33.46 38.96 36.14 32.57 26.20 25.40 17.11 8.46 8.07 26.47 52.60 49.77

Centro Total Región 3,388.13 3,255.26 3,077.71 3,007.55 3,051.38 3,073.95 2,989.23 3,069.65 3,169.57 3,313.64 3,518.02 3,415.19Chuza 587.23 469.50 321.11 356.25 577.33 654.09 571.40 700.03 845.36 789.86 770.96 623.78Esmeralda 763.30 562.36 287.61 152.94 314.37 376.46 583.02 900.49 1,049.41 1,098.29 1,083.07 1,056.98Guavio 1,354.71 957.72 495.67 503.71 925.67 1,042.85 1,294.36 1,549.24 1,827.39 1,865.89 2,016.14 1,744.23

Oriente Total Región 2,705.24 1,989.58 1,104.39 1,012.90 1,817.37 2,073.40 2,448.77 3,149.76 3,722.15 3,754.04 3,870.18 3,424.99Alto Anchicayá 8.25 7.27 4.11 3.27 2.51 5.35 10.15 0.00 1.53 5.01 12.57 3.40Calima 1 77.47 73.10 86.97 93.30 112.58 117.68 69.74 65.64 41.73 55.84 79.09 105.07Salvajina 119.38 107.02 87.58 51.29 71.78 73.74 62.16 45.40 13.29 37.55 117.64 145.17

Valle Total Región 205.10 187.39 178.66 147.86 186.87 196.77 142.04 111.04 56.55 98.40 209.29 253.65Total SIN 11,054.39 9,554.44 7,710.18 7,364.85 8,715.41 9,662.01 9,548.30 9,951.07 10,714.73 11,433.39 12,574.42 11,836.95

(1) : Reservas útiles corresponden al volumen útil diario (Acuerdo CNO No. 294) el último día de cada mes.

Evolución de reservas útiles por embalse (GWh) (1)2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 334.28 364.82 239.14 173.45 186.76 161.60 91.09 39.55 38.32 245.75 401.18 388.58Miraflores 83.84 61.46 36.01 35.66 44.69 56.84 47.23 35.61 36.09 48.72 64.46 70.72Peñol 874.34 775.61 690.47 671.98 761.98 863.92 847.25 768.51 738.29 752.79 904.81 873.18Playas 32.83 45.58 32.53 44.06 42.68 48.92 38.49 36.70 54.89 51.19 49.16 40.20Porce II 37.89 51.76 26.06 26.27 21.33 33.77 37.89 33.34 33.06 21.87 41.14 44.81Punchiná 23.81 13.48 3.72 4.36 20.07 24.49 22.70 22.24 24.18 8.63 37.03 11.96Riogrande 2 96.03 67.89 44.33 40.96 50.86 59.29 40.71 17.93 39.08 123.36 129.62 115.77San Lorenzo 125.52 88.02 40.13 23.52 24.68 77.83 26.55 66.11 117.83 140.19 147.21 133.57

Antioquia Troneras 9.02 12.75 6.54 3.35 6.23 13.30 8.73 5.67 12.62 18.45 9.66 9.30Caribe Urrá 1 1,032.43 661.90 313.70 257.36 390.15 613.33 549.14 575.10 740.10 974.03 1,117.88 1,127.40

Agregado Bogotá 629.87 602.16 585.99 551.51 565.16 570.42 562.65 579.88 596.82 615.52 650.70 637.88Betania 772.47 740.18 408.92 776.40 690.06 667.92 569.21 511.31 549.01 725.00 726.89 647.82Muña 11.07 12.36 5.10 13.76 13.06 13.20 9.14 11.61 13.34 13.62 13.76 9.40

Centro Prado 269.44 313.67 290.97 262.26 210.95 204.52 137.78 68.09 64.97 213.09 398.45 377.02Chuza 116.82 93.40 63.88 70.87 114.85 130.12 113.67 139.26 168.17 157.13 153.37 124.09Esmeralda 401.06 295.48 151.12 80.36 165.18 197.80 306.34 473.14 551.39 577.08 569.14 555.43

Oriente Guavio 487.57 344.69 178.40 181.29 333.16 375.33 465.85 557.58 657.69 671.55 725.75 627.87Alto Anchicayá 6.74 5.94 3.36 2.67 2.05 4.37 8.29 0.00 1.25 4.09 10.34 2.80Calima 1 143.57 135.47 161.17 172.90 208.64 218.09 129.24 121.64 77.34 103.49 148.70 197.54

Valle Salvajina 465.59 417.38 341.57 200.05 279.95 287.61 242.42 177.08 51.83 146.44 472.24 582.79

(1) : Reservas útiles corresponden al volumen útil diario (Acuerdo CNO No. 294) el último día de cada mes.

Evolución de reservas útiles por embalse (Mm3) (1) 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov DicMiel I 78.60 85.78 56.23 40.78 43.91 38.00 21.42 9.30 9.01 57.78 94.33 91.37Miraflores 89.63 65.70 38.49 38.12 47.77 60.77 50.49 38.07 38.59 52.09 68.91 75.61Peñol 87.44 77.57 69.05 67.20 76.20 86.40 84.73 76.86 73.83 75.28 90.49 87.32Playas 66.13 91.80 65.51 88.74 85.96 98.53 77.52 73.93 110.56 103.09 99.02 80.96Porce II 39.40 53.81 27.10 27.31 22.18 35.11 39.40 34.67 34.37 22.74 42.78 46.59Punchiná 44.72 25.32 6.99 8.19 37.70 46.00 42.64 41.77 45.42 16.21 69.55 22.46Riogrande 2 69.11 48.86 31.90 29.48 36.60 42.67 29.29 12.90 28.12 88.77 93.28 83.31San Lorenzo 77.17 54.12 24.67 14.46 15.17 47.85 16.32 40.65 72.44 86.19 90.51 82.12Troneras 41.30 58.38 29.97 15.32 28.55 60.93 39.98 25.97 57.79 84.50 44.23 42.62

Antioquia Total Región 83.26 72.71 59.59 56.97 65.01 76.34 70.19 63.87 66.12 74.60 88.76 84.45Urrá 1 85.18 54.61 25.88 21.23 32.19 50.60 45.31 47.45 61.06 80.37 92.23 93.02

Caribe Total Región 85.18 54.61 25.88 21.23 32.19 50.60 45.31 47.45 61.06 80.37 92.23 93.02Agregado Bogotá 71.06 67.93 66.11 62.22 63.76 64.35 63.48 65.42 67.33 69.44 73.41 71.96Betania 90.82 87.03 48.08 91.29 81.13 78.53 66.92 60.12 64.55 85.24 85.46 76.17Muña 79.23 88.50 36.51 98.48 93.46 94.46 65.44 83.11 95.46 97.47 98.48 67.31Prado 52.14 60.70 56.31 50.75 40.82 39.58 26.66 13.43 12.82 42.04 78.61 74.39

Centro Total Región 71.53 68.73 64.98 63.50 64.42 64.90 63.11 64.83 66.94 69.98 74.23 72.06Chuza 51.46 41.15 28.14 31.22 50.59 57.32 50.07 61.35 74.08 69.22 67.56 54.67Esmeralda 68.87 50.74 25.95 13.80 28.36 33.97 52.60 81.25 94.69 99.10 97.73 95.38Guavio 64.08 45.30 23.45 23.83 43.78 49.33 61.22 73.28 86.44 88.26 95.38 82.52

Oriente Total Región 62.00 45.60 25.31 23.21 41.65 47.52 56.12 72.18 85.30 86.03 88.70 78.50Alto Anchicayá 21.42 18.88 10.68 8.49 6.52 13.89 26.35 0.00 3.97 13.00 32.87 8.90Calima 1 35.33 33.33 39.66 42.55 51.34 53.67 31.80 29.93 19.03 25.47 36.59 48.61Salvajina 66.92 60.00 49.10 28.76 40.24 41.34 34.85 25.45 7.45 21.05 67.88 83.77

Valle Total Región 47.02 42.96 40.96 33.90 42.84 45.11 32.57 25.46 12.97 22.56 48.94 59.31Total SIN 72.51 62.67 50.58 48.31 57.17 63.38 62.63 65.28 70.29 75.01 83.10 78.23

(1) : El porcentaje se calcula como la relación entre el volumen útil diario del último día de cada mes y la capacidad útil del embalse vigente en dicha fecha.

Evolución de reservas útiles por embalse (%) (1) 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalMiel I 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.11 0.00 0.11Miraflores 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Peñol 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Playas 0.00 0.15 0.00 14.85 11.78 13.17 6.30 0.00 0.85 19.81 37.48 0.00 104.38Porce II 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Punchiná 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Riogrande 2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00San Lorenzo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.02 0.00 0.02Troneras 0.00 0.00 0.00 0.00 0.00 0.04 0.00 0.00 0.00 0.00 0.78 0.02 0.84

ANTIOQUIA Total Región 0.00 0.15 0.00 14.85 11.78 13.21 6.30 0.00 0.85 19.81 38.39 0.02 105.35Urrá 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

CARIBE Total Región 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Agregado Bogotá 0.16 40.85 19.43 106.06 216.51 96.49 0.00 0.00 4.70 97.47 213.57 4.29 799.52Betania 0.00 8.73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.73Muña 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Prado 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

CENTRO Total Región 0.16 49.58 19.43 106.06 216.51 96.49 0.00 0.00 4.70 97.47 213.57 4.29 808.25Chuza 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Esmeralda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Guavio 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.90 0.00 4.90

ORIENTE Total Región 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 4.90 0.00 4.90Alto Anchicayá 0.00 9.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.12Calima 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Salvajina 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

VALLE Total Región 0.00 9.12 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 9.12TOTAL SIN 0.16 58.85 19.43 120.91 228.28 109.69 6.30 0.00 5.55 117.28 256.86 4.31 927.61

Vertimientos por embalse (GWh)Sistema Interconectado Nacional 2005

Región Embalse Ene Feb Mar Abr May Jun Jul Ago Sep Oct Nov Dic TotalMiel I 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.22 0.00 0.22Miraflores 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Peñol 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Playas 0.00 0.32 0.00 31.13 24.69 27.61 13.20 0.00 1.78 41.53 78.57 0.00 218.83Porce II 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Punchiná 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Riogrande 2 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00San Lorenzo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01 0.00 0.01

ANTIOQUIA Troneras 0.00 0.00 0.00 0.00 0.00 0.19 0.00 0.00 0.00 0.00 4.13 0.12 4.43CARIBE Urrá 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Agregado Bogotá 0.03 8.13 3.86 21.10 43.07 19.19 0.00 0.00 0.93 19.39 42.49 0.85 159.05Betania 0.00 50.81 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 50.81Muña 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

CENTRO Prado 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Chuza 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00Esmeralda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

ORIENTE Guavio 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 1.76 0.00 1.76Alto Anchicayá 0.00 8.73 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 8.73Calima 1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

VALLE Salvajina 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00

Sistema Interconectado Nacional 2005Vertimientos por embalse (Mm3)

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