| 2005 Gross Power Generation | |||||||||||||
| (in MWh) | |||||||||||||
| LUZON | JAN | FEB | MAR | APR | MAY | JUN | JUL | AUG | SEP | OCT | NOV | DEC | Total |
| Coal | 1,324,082 | 1,018,784 | 1,086,001 | 1,168,650 | 1,485,468 | 1,492,280 | 1,246,559 | 1,193,459 | 1,325,709 | 1,122,574 | 1,048,012 | 1,141,697 | 14,653,275 |
| Oil-based | 208,520 | 200,550 | 184,250 | 196,836 | 262,005 | 233,979 | 192,160 | 161,604 | 133,850 | 99,595 | 83,974 | 64,319 | 2,021,641 |
| Combined Cycle | - | - | - | - | 38,827 | 44,824 | 6,957 | - | - | - | - | - | 90,608 |
| Diesel | 193,781 | 200,550 | 184,250 | 196,836 | 223,178 | 189,155 | 182,106 | 159,183 | 133,850 | 99,595 | 83,974 | 64,319 | 1,910,774 |
| Gas Turbine | - | - | - | - | - | - | 1,433 | - | - | - | - | - | 1,433 |
| Oil Thermal | 14,740 | - | - | - | - | - | 1,665 | 2,422 | - | - | - | - | 18,826 |
| Natural Gas | 819,817 | 1,349,143 | 1,230,027 | 1,595,148 | 1,541,820 | 1,449,460 | 1,521,550 | 1,653,889 | 1,420,966 | 1,578,785 | 1,554,892 | 1,145,420 | 16,860,917 |
| Geothermal | 318,569 | 350,798 | 321,821 | 337,727 | 300,698 | 185,708 | 108,840 | 98,678 | 65,879 | 100,692 | 224,004 | 328,789 | 2,742,203 |
| Hydro | 333,466 | 320,168 | 238,230 | 201,203 | 194,500 | 289,289 | 354,070 | 386,425 | 511,163 | 522,725 | 483,822 | 496,162 | 4,331,224 |
| Wind | - | - | - | 21 | 849 | 1,268 | 1,851 | 1,769 | 1,827 | 3,037 | 3,405 | 3,442 | 17,469 |
| Total Generation | 3,004,454 | 3,239,442 | 3,060,329 | 3,499,584 | 3,785,340 | 3,651,983 | 3,425,031 | 3,495,825 | 3,459,394 | 3,427,409 | 3,398,109 | 3,179,829 | 40,626,730 |
| VISAYAS | |||||||||||||
| Coal | 43,934 | 32,616 | 40,864 | 53,351 | 59,301 | 60,912 | 54,352 | 48,788 | 57,860 | 54,119 | 47,025 | 50,781 | 603,903 |
| Oil-based | 160,469 | 168,201 | 156,889 | 175,153 | 173,284 | 178,908 | 153,887 | 168,660 | 129,481 | 115,067 | 113,383 | 106,493 | 1,799,876 |
| Combined Cycle | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Diesel | 125,953 | 135,526 | 123,815 | 137,838 | 139,812 | 143,388 | 135,683 | 133,946 | 106,003 | 103,381 | 105,244 | 95,841 | 1,486,431 |
| Gas Turbine | 2,178 | 3,686 | 2,475 | 8,204 | 7,306 | 14 | - | - | - | - | - | - | 23,862 |
| Oil Thermal | 32,338 | 28,989 | 30,600 | 29,112 | 26,166 | 35,505 | 18,204 | 34,714 | 23,478 | 11,686 | 8,138 | 10,652 | 289,582 |
| Natural Gas | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Geothermal | 541,928 | 575,509 | 432,069 | 497,293 | 543,336 | 563,497 | 556,570 | 529,920 | 490,869 | 506,877 | 536,256 | 493,253 | 6,267,377 |
| Hydro | 2,022 | 1,427 | 1,473 | 1,214 | 1,183 | 1,765 | 2,404 | 3,041 | 3,001 | 3,634 | 2,887 | 3,145 | 27,196 |
| Total Generation | 748,353 | 777,754 | 631,295 | 727,011 | 777,105 | 805,081 | 767,213 | 750,408 | 681,211 | 679,697 | 699,551 | 653,672 | 8,698,352 |
| MINDANAO | |||||||||||||
| Coal | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Oil-based | 144,467 | 189,870 | 211,608 | 246,321 | 266,848 | 211,087 | 166,908 | 165,497 | 152,951 | 203,886 | 194,806 | 165,679 | 2,319,927 |
| Combined Cycle | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Diesel | 144,460 | 189,862 | 211,591 | 246,316 | 266,841 | 211,041 | 166,898 | 165,487 | 152,941 | 203,865 | 194,799 | 165,671 | 2,319,772 |
| Gas Turbine | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Oil | 8 | 7 | 17 | 6 | 7 | 46 | 10 | 10 | 10 | 21 | 7 | 8 | 155 |
| Natural Gas | - | - | - | - | - | - | - | - | - | - | - | - | - |
| Geothermal | 63,044 | 72,520 | 70,305 | 74,954 | 75,586 | 77,499 | 74,891 | 77,799 | 78,505 | 73,004 | 78,603 | 76,152 | 892,863 |
| Hydro | 372,297 | 341,997 | 269,246 | 310,462 | 264,789 | 329,166 | 337,712 | 354,963 | 393,527 | 347,098 | 361,297 | 345,799 | 4,028,352 |
| Solar | 108 | 231 | 139 | 140 | 118 | 110 | 110 | 110 | 121 | 128 | 107 | 97 | 1,517 |
| Total Generation | 579,916 | 604,618 | 551,297 | 631,877 | 607,341 | 617,862 | 579,621 | 598,369 | 625,104 | 624,115 | 634,812 | 587,726 | 7,242,659 |
| Total PHILIPPINES | |||||||||||||
| Coal | 1,368,017 | 1,051,401 | 1,126,865 | 1,222,001 | 1,544,769 | 1,553,191 | 1,300,911 | 1,242,247 | 1,383,569 | 1,176,693 | 1,095,036 | 1,192,478 | 15,257,178 |
| Oil-based | 513,456 | 558,621 | 552,747 | 618,310 | 702,137 | 623,973 | 512,955 | 495,761 | 416,282 | 418,548 | 392,163 | 336,491 | 6,141,444 |
| Combined Cycle | - | - | - | - | 38,827 | 44,824 | 6,957 | - | - | - | - | - | 90,608 |
| Diesel | 464,193 | 525,938 | 519,656 | 580,989 | 629,831 | 543,584 | 484,687 | 458,615 | 392,794 | 406,841 | 384,017 | 325,832 | 5,716,977 |
| Gas Turbine | 2,178 | 3,686 | 2,475 | 8,204 | 7,306 | 14 | 1,433 | - | - | - | - | - | 25,295 |
| Oil | 47,085 | 28,997 | 30,616 | 29,118 | 26,173 | 35,551 | 19,879 | 37,146 | 23,488 | 11,707 | 8,145 | 10,659 | 308,564 |
| Natural Gas | 819,817 | 1,349,143 | 1,230,027 | 1,595,148 | 1,541,820 | 1,449,460 | 1,521,550 | 1,653,889 | 1,420,966 | 1,578,785 | 1,554,892 | 1,145,420 | 16,860,917 |
| Geothermal | 923,542 | 998,827 | 824,195 | 909,974 | 919,620 | 826,704 | 740,302 | 706,398 | 635,253 | 680,573 | 838,864 | 898,193 | 9,902,443 |
| Hydro | 707,785 | 663,592 | 508,949 | 512,879 | 460,473 | 620,219 | 694,186 | 744,429 | 907,691 | 873,457 | 848,006 | 845,106 | 8,386,773 |
| Wind/Solar | 108 | 231 | 139 | 161 | 967 | 1,378 | 1,961 | 1,879 | 1,947 | 3,165 | 3,511 | 3,539 | 18,986 |
| Total Generation | 4,332,723 | 4,621,814 | 4,242,922 | 4,858,472 | 5,169,786 | 5,074,926 | 4,771,866 | 4,844,603 | 4,765,708 | 4,731,221 | 4,732,472 | 4,421,227 | 56,567,740 |