| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-05-04 | 1 | 15,871 | 4,243 | 7,531 | 25 | -1,168 | 677 | 0 | 0 | 0 | 0 | -136 | 27,043 |
| 2011-05-04 | 2 | 15,214 | 4,187 | 7,529 | 24 | -1,398 | 610 | 0 | 0 | 0 | 0 | -156 | 26,010 |
| 2011-05-04 | 3 | 15,163 | 4,207 | 7,537 | 24 | -1,396 | 579 | 0 | 0 | 0 | 0 | -160 | 25,954 |
| 2011-05-04 | 4 | 15,176 | 4,286 | 7,537 | 24 | -1,388 | 510 | 0 | 0 | 0 | 0 | -282 | 25,863 |
| 2011-05-04 | 5 | 14,901 | 4,058 | 7,532 | 24 | -1,550 | 468 | 0 | 0 | 0 | 0 | 222 | 25,655 |
| 2011-05-04 | 6 | 14,699 | 3,956 | 7,529 | 24 | -1,544 | 442 | 0 | 0 | 0 | 0 | 298 | 25,404 |
| 2011-05-04 | 7 | 14,671 | 3,991 | 7,531 | 24 | -1,536 | 425 | 0 | 0 | 0 | 0 | 204 | 25,310 |
| 2011-05-04 | 8 | 14,698 | 3,963 | 7,422 | 23 | -1,650 | 416 | 0 | 0 | 0 | 0 | 280 | 25,152 |
| 2011-05-04 | 9 | 15,462 | 4,303 | 7,339 | 23 | -1,642 | 381 | 0 | 0 | 0 | 0 | -666 | 25,200 |
| 2011-05-04 | 10 | 15,448 | 4,387 | 7,325 | 22 | -1,618 | 368 | 0 | 0 | 0 | 0 | -654 | 25,278 |
| 2011-05-04 | 11 | 15,517 | 4,704 | 7,329 | 22 | -1,086 | 385 | 0 | 0 | 0 | 0 | -1,484 | 25,387 |
| 2011-05-04 | 12 | 15,533 | 5,087 | 7,329 | 21 | -1,062 | 389 | 0 | 0 | 0 | 0 | -1,450 | 25,847 |
| 2011-05-04 | 13 | 16,950 | 6,468 | 7,331 | 21 | -252 | 366 | 0 | 0 | 0 | 0 | -2,128 | 28,756 |
| 2011-05-04 | 14 | 18,352 | 8,395 | 6,987 | 54 | -134 | 362 | 0 | 0 | 0 | 0 | -2,130 | 31,886 |
| 2011-05-04 | 15 | 19,907 | 10,292 | 6,961 | 250 | 350 | 350 | 0 | 0 | 0 | 0 | -2,148 | 35,962 |
| 2011-05-04 | 16 | 20,002 | 11,736 | 7,012 | 255 | 920 | 340 | 0 | 0 | 0 | 0 | -2,186 | 38,079 |
| 2011-05-04 | 17 | 20,070 | 12,237 | 7,020 | 237 | 516 | 353 | 0 | 0 | 0 | 0 | -1,018 | 39,415 |
| 2011-05-04 | 18 | 20,034 | 12,292 | 7,021 | 238 | 584 | 355 | 0 | 0 | 0 | 0 | -1,090 | 39,434 |
| 2011-05-04 | 19 | 20,264 | 12,638 | 6,941 | 287 | 628 | 294 | 0 | 0 | 0 | 0 | -1,294 | 39,758 |
| 2011-05-04 | 20 | 20,303 | 12,821 | 6,830 | 287 | 626 | 314 | 0 | 0 | 0 | 0 | -1,330 | 39,851 |
| 2011-05-04 | 21 | 20,372 | 12,729 | 6,763 | 409 | 600 | 333 | 0 | 0 | 0 | 0 | -1,348 | 39,858 |
| 2011-05-04 | 22 | 20,489 | 12,494 | 6,705 | 426 | 836 | 315 | 0 | 0 | 0 | 0 | -1,350 | 39,915 |
| 2011-05-04 | 23 | 20,551 | 12,629 | 6,751 | 291 | 634 | 311 | 0 | 0 | 0 | 0 | -1,124 | 40,043 |
| 2011-05-04 | 24 | 20,767 | 12,636 | 6,747 | 255 | 456 | 318 | 0 | 0 | 0 | 0 | -1,114 | 40,065 |
| 2011-05-04 | 25 | 20,822 | 12,568 | 6,748 | 199 | 444 | 355 | 0 | 0 | 0 | 0 | -1,056 | 40,080 |
| 2011-05-04 | 26 | 20,728 | 12,316 | 6,748 | 176 | 442 | 389 | 0 | 0 | 0 | 0 | -1,056 | 39,743 |
| 2011-05-04 | 27 | 20,805 | 12,196 | 6,749 | 110 | 306 | 431 | 0 | 0 | 0 | 0 | -1,150 | 39,447 |
| 2011-05-04 | 28 | 20,696 | 11,872 | 6,833 | 103 | 328 | 507 | 0 | 0 | 0 | 0 | -1,214 | 39,125 |
| 2011-05-04 | 29 | 20,290 | 11,712 | 6,962 | 95 | 294 | 587 | 0 | 0 | 0 | 0 | -906 | 39,034 |
| 2011-05-04 | 30 | 20,032 | 11,483 | 6,972 | 95 | 308 | 635 | 0 | 0 | 0 | 0 | -896 | 38,629 |
| 2011-05-04 | 31 | 20,052 | 11,180 | 6,972 | 68 | 296 | 702 | 0 | 0 | 0 | 0 | -838 | 38,432 |
| 2011-05-04 | 32 | 20,013 | 11,374 | 6,974 | 69 | 296 | 751 | 0 | 0 | 0 | 0 | -816 | 38,661 |
| 2011-05-04 | 33 | 20,010 | 11,545 | 6,979 | 78 | 296 | 813 | 0 | 0 | 0 | 0 | -308 | 39,413 |
| 2011-05-04 | 34 | 19,911 | 11,533 | 7,000 | 89 | 514 | 905 | 0 | 0 | 0 | 0 | -268 | 39,684 |
| 2011-05-04 | 35 | 19,789 | 12,039 | 7,024 | 216 | 516 | 976 | 0 | 0 | 0 | 0 | -594 | 39,966 |
| 2011-05-04 | 36 | 18,639 | 12,528 | 7,028 | 217 | 478 | 982 | 0 | 0 | 0 | 0 | -594 | 39,278 |
| 2011-05-04 | 37 | 18,540 | 12,705 | 7,035 | 219 | 312 | 942 | 0 | 0 | 0 | 0 | -1,058 | 38,695 |
| 2011-05-04 | 38 | 18,644 | 12,312 | 7,041 | 235 | 290 | 915 | 0 | 0 | 0 | 0 | -1,116 | 38,321 |
| 2011-05-04 | 39 | 18,641 | 11,480 | 7,037 | 247 | 302 | 890 | 0 | 0 | 0 | 0 | -748 | 37,849 |
| 2011-05-04 | 40 | 18,534 | 11,045 | 7,035 | 246 | 400 | 842 | 0 | 0 | 0 | 0 | -710 | 37,392 |
| 2011-05-04 | 41 | 18,622 | 10,857 | 7,033 | 246 | 594 | 776 | 0 | 0 | 0 | 0 | -1,016 | 37,112 |
| 2011-05-04 | 42 | 18,699 | 11,226 | 7,034 | 355 | 1,186 | 790 | 0 | 0 | 0 | 0 | -1,006 | 38,284 |
| 2011-05-04 | 43 | 18,780 | 11,230 | 7,035 | 360 | 862 | 767 | 0 | 0 | 0 | 0 | -554 | 38,480 |
| 2011-05-04 | 44 | 18,706 | 10,946 | 7,036 | 149 | 586 | 823 | 0 | 0 | 0 | 0 | -730 | 37,516 |
| 2011-05-04 | 45 | 17,895 | 9,758 | 6,917 | 139 | 70 | 869 | 0 | 0 | 0 | 0 | -524 | 35,124 |
| 2011-05-04 | 46 | 16,698 | 8,709 | 6,826 | 136 | -24 | 894 | 0 | 0 | 0 | 0 | -590 | 32,649 |
| 2011-05-04 | 47 | 15,283 | 7,497 | 6,763 | 55 | -600 | 934 | 0 | 0 | 0 | 0 | 354 | 30,286 |
| 2011-05-04 | 48 | 14,935 | 5,908 | 6,759 | 39 | -988 | 1,013 | 0 | 0 | 0 | 0 | 540 | 28,206 |