Annual Net Generation
(Megawatt-hours)
| Total | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 78,360,507 | 64,316,732 | 6,537,922 | 4,638,270 | 398,376 | 2,469,206 |
| 2006 | 73,069,537 | 61,176,351 | 4,635,550 | 4,409,041 | 346,884 | 2,501,710 |
| 2005 | 78,943,045 | 65,456,080 | 5,278,554 | 5,251,187 | 389,315 | 2,567,909 |
| 2004 | 78,900,040 | 65,103,653 | 6,263,260 | 4,508,634 | 360,767 | 2,663,726 |
| 2003 | 75,309,420 | 61,806,347 | 6,058,005 | 4,367,778 | 332,445 | 2,744,845 |
| 2002 | 75,005,651 | 62,880,125 | 4,828,127 | 4,074,282 | 456,196 | 2,766,922 |
| 2001 | 74,104,750 | 62,135,492 | 4,696,904 | 4,593,146 | 514,905 | 2,164,303 |
| 2000 | 77,189,370 | 65,842,720 | 2,857,726 | 5,344,130 | 606,409 | 2,538,385 |
| 1999 | 73,897,611 | 65,071,068 | 2,408,324 | 3,233,798 | 543,277 | 2,641,144 |
| 1998 | 72,199,439 | 63,814,565 | 2,285,176 | 2,827,118 | 610,414 | 2,662,166 |
| 1997 | 68,515,334 | 58,985,991 | 2,510,375 | 3,745,572 | 657,491 | 2,615,905 |
| 1996 | 66,895,127 | 56,532,918 | 3,016,640 | 3,952,389 | 759,999 | 2,633,181 |
| 1995 | 62,996,021 | 52,727,470 | 3,341,351 | 3,856,416 | 554,133 | 2,516,651 |
| 1994 | 62,048,924 | 52,732,286 | 2,313,070 | 4,061,981 | 333,414 | 2,608,173 |
| 1993 | 61,243,510 | 52,181,906 | 2,297,629 | 4,067,684 | 90,720 | 2,605,571 |
| 1992 | 56,352,354 | 48,963,593 | 1,670,272 | 2,885,741 | 182,509 | 2,650,239 |
| 1991 | 54,729,094 | 48,940,655 | 813,240 | 2,317,856 | 164,514 | 2,492,829 |
| 1990 | 52,564,458 | 47,200,499 | 427,932 | 2,161,721 | 264,869 | 2,509,437 |
| Coal | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 35,420,746 | 29,425,485 | 1,408,227 | 3,784,246 | 0 | 802,788 |
| 2006 | 34,288,141 | 28,553,670 | 1,069,989 | 3,822,777 | 0 | 841,705 |
| 2005 | 35,450,375 | 28,803,324 | 1,299,189 | 4,502,044 | - | 845,818 |
| 2004 | 35,658,693 | 27,772,985 | 2,877,752 | 4,091,623 | - | 916,333 |
| 2003 | 37,093,331 | 29,145,703 | 3,159,908 | 3,816,216 | 3 | 971,501 |
| 2002 | 38,082,381 | 31,099,307 | 2,315,560 | 3,600,180 | - | 1,067,334 |
| 2001 | 37,769,911 | 30,657,436 | 2,176,225 | 4,194,375 | 5,731 | 736,144 |
| 2000 | 39,761,316 | 33,964,556 | 106,285 | 4,782,233 | 12,965 | 895,277 |
| 1999 | 35,444,523 | 31,743,474 | - | 2,799,679 | 18,740 | 882,630 |
| 1998 | 34,875,765 | 31,471,297 | - | 2,434,753 | 19,011 | 950,704 |
| 1997 | 34,159,931 | 29,676,411 | - | 3,484,483 | 21,213 | 977,824 |
| 1996 | 32,481,847 | 27,930,011 | - | 3,542,812 | 14,764 | 994,260 |
| 1995 | 28,497,065 | 24,442,870 | - | 3,094,952 | - | 959,243 |
| 1994 | 26,590,655 | 22,448,944 | - | 3,151,961 | - | 989,750 |
| 1993 | 29,410,001 | 24,722,481 | - | 3,645,371 | - | 1,042,149 |
| 1992 | 26,225,034 | 22,676,018 | - | 2,483,174 | - | 1,065,842 |
| 1991 | 24,821,391 | 21,939,027 | - | 1,844,642 | - | 1,037,722 |
| 1990 | 23,899,902 | 21,000,180 | - | 1,774,582 | 23,871 | 1,101,269 |
| Petroleum | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 2,096,949 | 1,653,940 | 162,251 | 176,670 | 1,868 | 102,221 |
| 2006 | 839,212 | 662,100 | 62,439 | 27,461 | 849 | 86,363 |
| 2005 | 4,276,268 | 3,809,135 | 175,472 | 780,635 | 636 | 110,391 |
| 2004 | 5,137,490 | 4,664,410 | 247,253 | 118,501 | 1,263 | 106,063 |
| 2003 | 5,780,336 | 4,982,314 | 379,381 | 303,886 | 898 | 113,857 |
| 2002 | 3,792,604 | 3,454,714 | 153,399 | 52,330 | 41,275 | 90,887 |
| 2001 | 5,461,613 | 4,854,800 | 361,113 | 41,780 | 63,161 | 140,759 |
| 2000 | 2,938,544 | 2,408,600 | 122,651 | 170,348 | 104,378 | 132,567 |
| 1999 | 3,362,738 | 3,035,028 | 15,971 | 58,751 | 67,367 | 185,621 |
| 1998 | 2,926,054 | 2,654,660 | 9,683 | 33,733 | 25,761 | 202,217 |
| 1997 | 2,770,044 | 857,789 | 1,573,488 | 41,370 | 112,010 | 185,387 |
| 1996 | 1,275,247 | 683,363 | 169,122 | 132,595 | 106,500 | 183,667 |
| 1995 | 1,600,679 | 1,119,524 | 92,699 | 128,502 | 54,593 | 205,361 |
| 1994 | 2,890,191 | 2,373,888 | 95,700 | 137,300 | 54,971 | 228,332 |
| 1993 | 2,500,809 | 2,157,896 | 40,645 | 96,535 | - | 205,733 |
| 1992 | 1,852,865 | 1,422,824 | 131,049 | 47,768 | - | 251,224 |
| 1991 | 2,353,996 | 2,036,478 | - | 102,364 | - | 215,154 |
| 1990 | 1,438,264 | 1,194,150 | - | 38,741 | - | 205,373 |
| Natural Gas | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 10,903,840 | 5,947,608 | 4,142,571 | 668,896 | - | 144,765 |
| 2006 | 7,215,450 | 3,781,091 | 2,715,390 | 509,880 | - | 209,088 |
| 2005 | 8,255,784 | 4,414,479 | 3,025,473 | 542,431 | - | 273,401 |
| 2004 | 6,417,428 | 3,976,271 | 1,852,728 | 282,220 | - | 306,210 |
| 2003 | 4,619,066 | 2,690,674 | 1,323,813 | 247,675 | - | 356,903 |
| 2002 | 4,386,927 | 2,128,402 | 1,345,648 | 408,124 | 151,431 | 353,322 |
| 2001 | 4,196,071 | 2,130,640 | 1,458,765 | 341,834 | 126,747 | 138,085 |
| 2000 | 4,653,327 | 1,839,850 | 2,160,804 | 367,403 | 133,583 | 151,687 |
| 1999 | 4,639,481 | 2,599,607 | 1,452,882 | 367,095 | 117,283 | 102,614 |
| 1998 | 4,236,745 | 2,198,665 | 1,435,374 | 350,855 | 192,246 | 59,605 |
| 1997 | 1,880,049 | 1,291,954 | 71,411 | 214,023 | 180,760 | 121,901 |
| 1996 | 3,932,747 | 1,123,697 | 2,068,812 | 262,116 | 358,790 | 119,332 |
| 1995 | 5,431,845 | 1,880,982 | 2,519,680 | 622,888 | 335,409 | 72,886 |
| 1994 | 4,681,139 | 2,151,992 | 1,591,230 | 766,416 | 108,199 | 63,302 |
| 1993 | 4,378,066 | 2,139,635 | 1,871,932 | 321,191 | - | 45,308 |
| 1992 | 2,475,690 | 1,177,489 | 910,386 | 349,766 | - | 38,049 |
| 1991 | 1,730,887 | 1,104,440 | 228,247 | 366,679 | - | 31,521 |
| 1990 | 1,134,809 | 758,289 | - | 344,227 | - | 32,293 |
| Other Gases | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | - | - | - | - | - | - |
| 2006 | - | - | - | - | - | - |
| 2005 | - | - | - | - | - | - |
| 2004 | - | - | - | - | - | - |
| 2003 | 2,959 | - | 2,959 | - | - | - |
| 2002 | - | - | - | - | - | - |
| 2001 | - | - | - | - | - | - |
| 2000 | - | - | - | - | - | - |
| 1999 | - | - | - | - | - | - |
| 1998 | 58 | - | - | - | - | 58 |
| 1997 | 66 | - | - | - | - | 66 |
| 1996 | 69 | - | - | - | - | 69 |
| 1995 | - | - | - | - | - | - |
| 1994 | - | - | - | - | - | - |
| 1993 | - | - | - | - | - | - |
| 1992 | - | - | - | - | - | - |
| 1991 | - | - | - | - | - | - |
| 1990 | - | - | - | - | - | - |
| Nuclear | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 27,268,475 | 27,268,475 | - | - | - | - |
| 2006 | 27,593,516 | 27,593,516 | - | - | - | - |
| 2005 | 27,918,481 | 27,918,481 | - | - | - | - |
| 2004 | 28,315,294 | 28,315,294 | - | - | - | - |
| 2003 | 24,816,022 | 24,816,022 | - | - | - | - |
| 2002 | 27,346,163 | 27,346,163 | - | - | - | - |
| 2001 | 25,759,130 | 25,759,130 | - | - | - | - |
| 2000 | 28,321,091 | 28,321,091 | - | - | - | - |
| 1999 | 28,300,643 | 28,300,643 | - | - | - | - |
| 1998 | 27,234,399 | 27,234,399 | - | - | - | - |
| 1997 | 27,084,059 | 27,084,059 | - | - | - | - |
| 1996 | 26,286,283 | 26,286,283 | - | - | - | - |
| 1995 | 25,134,831 | 25,134,831 | - | - | - | - |
| 1994 | 25,428,856 | 25,428,856 | - | - | - | - |
| 1993 | 22,688,763 | 22,688,763 | - | - | - | - |
| 1992 | 23,334,340 | 23,334,340 | - | - | - | - |
| 1991 | 23,886,268 | 23,886,268 | - | - | - | - |
| 1990 | 23,820,152 | 23,820,152 | - | - | - | - |
| Hydroelectric Conventional | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 1,248,264 | 1,182,353 | 59,148 | - | - | 6,763 |
| 2006 | 1,351,194 | 1,270,707 | 74,183 | - | - | 6,304 |
| 2005 | 1,484,353 | 1,391,152 | 79,966 | - | - | 13,235 |
| 2004 | 1,583,050 | 1,490,114 | 92,816 | - | - | 120 |
| 2003 | 1,781,569 | 1,669,793 | 105,909 | - | - | 5,867 |
| 2002 | -1,120,619 | -1,148,461 | 26,312 | - | - | 1,530 |
| 2001 | -1,225,853 | -1,266,514 | 39,330 | - | - | 1,331 |
| 2000 | - | - | 49,791 | - | - | 12,578 |
| 1999 | - | - | 49,103 | - | - | 12,511 |
| 1998 | 327,855 | 255,544 | 61,049 | - | - | 11,262 |
| 1997 | 156,485 | 75,778 | 67,835 | - | - | 12,872 |
| 1996 | 598,899 | 509,564 | 80,011 | - | - | 9,324 |
| 1995 | 226,632 | 149,260 | 63,215 | - | - | 14,157 |
| 1994 | 403,881 | 328,595 | 63,366 | - | - | 11,920 |
| 1993 | 539,218 | 473,123 | 49,359 | - | - | 16,736 |
| 1992 | 425,042 | 352,911 | 53,515 | - | - | 18,616 |
| 1991 | 42,390 | - | 50,437 | - | - | 17,544 |
| 1990 | 475,830 | 427,694 | 48,136 | - | - | - |
| Other Renewables | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | 3,042,516 | 459,154 | 765,725 | 8,459 | 396,509 | 1,412,669 |
| 2006 | 2,949,470 | 482,711 | 713,549 | 48,923 | 346,036 | 1,358,250 |
| 2005 | 2,978,606 | 540,332 | 698,454 | 26,078 | 388,679 | 1,325,063 |
| 2004 | 2,954,196 | 50,690 | 1,192,712 | 16,290 | 359,504 | 1,335,000 |
| 2003 | 2,714,296 | - | 1,086,034 | - | 331,544 | 1,296,717 |
| 2002 | 2,518,195 | - | 987,208 | 13,648 | 263,490 | 1,253,849 |
| 2001 | 2,143,878 | - | 661,471 | 15,157 | 319,266 | 1,147,984 |
| 2000 | 2,144,100 | - | 418,195 | 24,146 | 355,483 | 1,346,276 |
| 1999 | 2,696,296 | - | 890,368 | 8,273 | 339,887 | 1,457,768 |
| 1998 | 2,598,563 | - | 779,070 | 7,777 | 373,396 | 1,438,320 |
| 1997 | 2,464,700 | - | 797,641 | 5,696 | 343,508 | 1,317,855 |
| 1996 | 2,320,035 | - | 698,695 | 14,866 | 279,945 | 1,326,529 |
| 1995 | 2,099,603 | 3 | 665,757 | 9,760 | 164,131 | 1,259,952 |
| 1994 | 2,050,911 | 11 | 562,774 | 6,304 | 170,244 | 1,311,578 |
| 1993 | 1,726,653 | 8 | 335,693 | 4,587 | 90,720 | 1,295,645 |
| 1992 | 2,038,899 | 11 | 575,322 | 4,549 | 182,509 | 1,276,508 |
| 1991 | 1,894,162 | 33 | 534,556 | 4,171 | 164,514 | 1,190,888 |
| 1990 | 1,795,501 | 34 | 379,796 | 4,171 | 240,998 | 1,170,502 |
| Pumped Storage | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | -1,620,283 | -1,620,283 | - | - | - | - |
| 2006 | -1,167,444 | -1,167,444 | - | - | - | - |
| 2005 | -1,420,823 | -1,420,823 | - | - | - | - |
| 2004 | -1,166,111 | -1,166,111 | - | - | - | - |
| 2003 | -1,498,159 | -1,498,159 | - | - | - | - |
| 2002 | - | - | - | - | - | - |
| 2001 | - | - | - | - | - | - |
| 2000 | - | - | - | - | - | - |
| 1999 | - | - | - | - | - | - |
| 1998 | - | - | - | - | - | - |
| 1997 | - | - | - | - | - | - |
| 1996 | - | - | - | - | - | - |
| 1995 | - | - | - | - | - | - |
| 1994 | - | - | - | - | - | - |
| 1993 | - | - | - | - | - | - |
| 1992 | - | - | - | - | - | - |
| 1991 | - | - | - | - | - | - |
| 1990 | - | - | - | - | - | - |
| Other | Total Electric Power Industry | Electric Generators Electric Utilities |
Electric Generators Independent Power Producers |
Combined Heat and Power Electric Power |
Combined Heat and Power Commercial Power |
Combined Heat and Power Industrial Power |
| 2007 | - | - | - | - | - | - |
| 2006 | - | - | - | - | - | - |
| 2005 | - | - | - | - | - | - |
| 2004 | - | - | - | - | - | - |
| 2003 | - | - | - | - | - | - |
| 2002 | - | - | - | - | - | - |
| 2001 | - | - | - | - | - | - |
| 2000 | - | - | - | - | - | - |
| 1999 | - | - | - | - | - | - |
| 1998 | - | - | - | - | - | - |
| 1997 | - | - | - | - | - | - |
| 1996 | - | - | - | - | - | - |
| 1995 | 5,366 | - | - | 314 | - | 5,052 |
| 1994 | 3,291 | - | - | - | - | 3,291 |
| 1993 | - | - | - | - | - | - |
| 1992 | 484 | - | - | 484 | - | - |
| 1991 | - | - | - | - | - | - |
| 1990 | - | - | - | - | - | - |