2004 Gross Power Generation 
(in MWh)
 LUZON   JAN   FEB   MAR   APR   MAY   JUN   JUL   AUG   SEP   OCT   NOV   DEC   Total 
 Coal         1,194,320        1,057,591           897,482        1,281,526        1,465,235        1,319,619        1,207,650        1,354,195        1,386,935        1,425,609        1,512,172        1,446,001        15,548,335
 Oil-based            238,707           498,372           537,789           546,112           509,713           358,554           286,471           254,652           292,493           437,279           366,017           264,657          4,590,814
    Combined Cycle              10,549           129,145           144,978           151,170           115,063             34,035               2,774                     -               20,542             85,559             33,862             10,760             738,437
    Diesel            171,086           264,761           249,660           262,954           242,472           229,691           192,752           192,046           200,188           242,924           236,248           203,411          2,688,194
    Gas Turbine                      -                      78                     -                       -                      42                    63                     -                       -                       -                       -                       -                       -                      183
    Oil Thermal              57,072           104,388           143,150           131,987           152,136             94,765             90,944             62,606             71,763           108,796             95,906             50,486          1,164,000
 Natural Gas         1,036,999        1,116,506        1,260,386        1,262,318        1,115,044        1,197,927        1,097,526           935,836           863,428           890,087           909,039           699,370        12,384,467
 Geothermal            150,288           174,711           179,211           244,409           235,645           330,544           321,047           314,293           312,347           267,981           241,940           261,002          3,033,417
 Hydro            298,833           275,077           249,145           167,549           167,542           278,276           437,346           591,765           661,335           365,932           301,744           502,334          4,296,879
 Total Generation          2,919,147        3,122,258        3,124,013        3,501,913        3,493,179        3,484,920        3,350,040        3,450,740        3,516,538        3,386,887        3,330,912        3,173,363        39,853,911
                           
 VISAYAS                           
 Coal              48,945             54,046             56,265             61,754             49,747             48,442             47,140             50,983             62,666             57,570             56,941             51,579             646,077
 Oil-based            162,101           155,975           157,402           170,361           175,598           169,479           160,873           165,063           175,863           167,983           176,480           160,531          1,997,708
    Combined Cycle                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
    Diesel            124,307           125,107           132,453           146,183           151,858           149,313           144,091           143,503           139,822           128,427           138,595           125,722          1,649,383
    Gas Turbine                3,643               6,261               7,802             13,125             13,630               8,583               6,177               6,741               4,482               3,326               5,656               2,668               82,094
    Oil Thermal              34,151             24,607             17,147             11,052             10,110             11,582             10,604             14,819             31,558             36,229             32,229             32,142             266,231
 Natural Gas                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
 Geothermal            519,955           545,766           509,476           559,506           541,263           582,867           552,988           518,289           521,857           485,470           545,614           455,266          6,338,317
 Hydro                3,996               3,561               3,190               2,134               1,991               2,633               3,139               3,182               2,269               3,717               2,115               2,350               34,277
 Total Generation            734,997           759,347           726,333           793,754           768,599           803,420           764,140           737,518           762,655           714,739           781,151           669,727          9,016,379
                           
 MINDANAO                           
 Coal                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
 Oil-based            131,028           155,211           153,213           183,608           198,378           182,045           152,930           119,350           137,581           124,467           196,458           181,531          1,915,799
    Combined Cycle                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
    Diesel            131,015           155,207           153,190           183,605           198,261           182,026           152,923           119,339           137,528           124,446           196,442           181,519          1,915,500
    Gas Turbine                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
    Oil                      13                      4                    23                      4                  116                    19                      7                    10                    53                    21                    16                    13                    299
 Natural Gas                      -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                       -                         -  
 Geothermal              76,271             77,672             70,222             75,853             74,573             78,421             75,713             78,801             78,254             76,019             72,695             75,322             909,815
 Hydro            371,583           350,175           317,605           338,120           305,713           325,207           341,421           399,206           408,163           396,384           370,289           337,660          4,261,525
 Total Generation            578,881           583,058           541,040           597,581           578,664           585,673           570,064           597,357           623,997           596,869           639,442           594,513          7,087,140
                           
 Total PHILIPPINES                           
 Coal         1,243,265        1,111,637           953,747        1,343,280        1,514,982        1,368,061        1,254,789        1,405,178        1,449,602        1,483,178        1,569,113        1,497,580        16,194,412
 Oil-based            531,836           809,558           848,403           900,081           883,689           710,077           600,273           539,065           605,936           729,728           738,955           606,720          8,504,321
    Combined Cycle              10,549           129,145           144,978           151,170           115,063             34,035               2,774                     -               20,542             85,559             33,862             10,760             738,437
    Diesel            426,408           545,075           535,303           592,742           592,591           561,031           489,767           454,888           477,538           495,797           571,285           510,652          6,253,077
    Gas Turbine                3,643               6,339               7,802             13,125             13,673               8,646               6,177               6,741               4,482               3,326               5,656               2,668               82,277
    Oil               91,236           129,000           160,320           143,043           162,362           106,366           101,556             77,436           103,374           145,046           128,152             82,640          1,430,529
 Natural Gas         1,036,999        1,116,506        1,260,386        1,262,318        1,115,044        1,197,927        1,097,526           935,836           863,428           890,087           909,039           699,370        12,384,467
 Geothermal            746,514           798,148           758,909           879,768           851,481           991,832           949,748           911,383           912,458           829,470           860,249           791,590        10,281,550
 Hydro            674,412           628,814           569,940           507,802           475,246           606,116           781,907           994,154        1,071,766           766,032           674,148           842,344          8,592,681
 Total Generation         4,233,026        4,464,663        4,391,386        4,893,248        4,840,442        4,874,014        4,684,244        4,785,615        4,903,190        4,698,496        4,751,504        4,437,603        55,957,430