| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-05-21 | 1 | 14,426 | 7,187 | 5,836 | 121 | -1,408 | 105 | 0 | 0 | 0 | 0 | 1,750 | 28,017 |
| 2009-05-21 | 2 | 14,283 | 6,707 | 5,834 | 121 | -1,704 | 95 | 0 | 0 | 0 | 0 | 1,810 | 27,146 |
| 2009-05-21 | 3 | 14,409 | 6,688 | 5,836 | 121 | -1,784 | 97 | 0 | 0 | 0 | 0 | 1,942 | 27,309 |
| 2009-05-21 | 4 | 14,453 | 6,758 | 5,831 | 121 | -1,786 | 96 | 0 | 0 | 0 | 0 | 1,944 | 27,417 |
| 2009-05-21 | 5 | 14,341 | 6,552 | 5,826 | 122 | -1,822 | 94 | 0 | 0 | 0 | 0 | 1,942 | 27,055 |
| 2009-05-21 | 6 | 14,024 | 6,400 | 5,826 | 121 | -1,836 | 92 | 0 | 0 | 0 | 0 | 1,944 | 26,571 |
| 2009-05-21 | 7 | 13,757 | 6,538 | 5,821 | 121 | -1,848 | 91 | 0 | 0 | 0 | 0 | 1,818 | 26,298 |
| 2009-05-21 | 8 | 13,701 | 6,539 | 5,826 | 121 | -1,952 | 77 | 0 | 0 | 0 | 0 | 1,754 | 26,066 |
| 2009-05-21 | 9 | 13,633 | 6,455 | 5,829 | 121 | -1,946 | 79 | 0 | 0 | 0 | 0 | 1,752 | 25,923 |
| 2009-05-21 | 10 | 13,542 | 6,030 | 5,828 | 121 | -1,936 | 83 | 0 | 0 | 0 | 0 | 1,810 | 25,478 |
| 2009-05-21 | 11 | 13,268 | 6,017 | 5,828 | 140 | -1,960 | 89 | 0 | 0 | 0 | 0 | 1,942 | 25,324 |
| 2009-05-21 | 12 | 13,628 | 6,319 | 5,830 | 140 | -1,800 | 90 | 0 | 0 | 0 | 0 | 1,942 | 26,149 |
| 2009-05-21 | 13 | 14,637 | 8,130 | 5,827 | 140 | -1,786 | 82 | 0 | 0 | 0 | 0 | 1,942 | 28,972 |
| 2009-05-21 | 14 | 15,582 | 9,677 | 5,827 | 147 | -1,104 | 82 | 0 | 0 | 0 | 0 | 1,942 | 32,153 |
| 2009-05-21 | 15 | 16,185 | 11,315 | 5,828 | 208 | 762 | 79 | 0 | 0 | 0 | 0 | 1,842 | 36,219 |
| 2009-05-21 | 16 | 16,540 | 12,819 | 5,826 | 329 | 1,314 | 77 | 0 | 0 | 0 | 0 | 1,684 | 38,589 |
| 2009-05-21 | 17 | 16,775 | 14,045 | 5,825 | 353 | 1,140 | 85 | 0 | 0 | 0 | 0 | 1,624 | 39,847 |
| 2009-05-21 | 18 | 16,802 | 14,696 | 5,821 | 357 | 784 | 113 | 0 | 0 | 0 | 0 | 1,604 | 40,177 |
| 2009-05-21 | 19 | 16,849 | 15,321 | 5,819 | 498 | 878 | 123 | 0 | 0 | 0 | 0 | 1,584 | 41,072 |
| 2009-05-21 | 20 | 16,824 | 15,485 | 5,821 | 500 | 892 | 150 | 0 | 0 | 0 | 0 | 1,584 | 41,256 |
| 2009-05-21 | 21 | 16,775 | 15,465 | 5,812 | 500 | 1,028 | 171 | 0 | 0 | 0 | 0 | 1,584 | 41,335 |
| 2009-05-21 | 22 | 16,749 | 15,481 | 5,811 | 517 | 1,086 | 171 | 0 | 0 | 0 | 0 | 1,624 | 41,439 |
| 2009-05-21 | 23 | 16,416 | 15,476 | 5,803 | 559 | 1,148 | 195 | 0 | 0 | 0 | 0 | 1,588 | 41,185 |
| 2009-05-21 | 24 | 16,755 | 15,479 | 5,804 | 574 | 1,328 | 239 | 0 | 0 | 0 | 0 | 1,584 | 41,763 |
| 2009-05-21 | 25 | 16,781 | 15,454 | 5,827 | 547 | 1,402 | 235 | 0 | 0 | 0 | 0 | 1,584 | 41,830 |
| 2009-05-21 | 26 | 16,771 | 15,414 | 5,827 | 528 | 1,140 | 237 | 0 | 0 | 0 | 0 | 1,584 | 41,501 |
| 2009-05-21 | 27 | 16,723 | 15,389 | 5,830 | 423 | 964 | 304 | 0 | 0 | 0 | 0 | 1,584 | 41,217 |
| 2009-05-21 | 28 | 16,648 | 15,379 | 5,827 | 403 | 624 | 293 | 0 | 0 | 0 | 0 | 1,584 | 40,758 |
| 2009-05-21 | 29 | 16,709 | 15,297 | 5,827 | 403 | 446 | 332 | 0 | 0 | 0 | 0 | 1,584 | 40,598 |
| 2009-05-21 | 30 | 16,642 | 15,038 | 5,826 | 407 | 426 | 388 | 0 | 0 | 0 | 0 | 1,584 | 40,311 |
| 2009-05-21 | 31 | 16,640 | 14,830 | 5,827 | 381 | 370 | 408 | 0 | 0 | 0 | 0 | 1,584 | 40,040 |
| 2009-05-21 | 32 | 16,656 | 15,130 | 5,856 | 311 | 442 | 391 | 0 | 0 | 0 | 0 | 1,586 | 40,372 |
| 2009-05-21 | 33 | 16,628 | 15,277 | 5,886 | 418 | 680 | 389 | 0 | 0 | 0 | 0 | 1,584 | 40,862 |
| 2009-05-21 | 34 | 16,719 | 15,580 | 5,892 | 576 | 570 | 372 | 0 | 0 | 0 | 0 | 1,586 | 41,295 |
| 2009-05-21 | 35 | 16,649 | 15,564 | 5,898 | 485 | 534 | 303 | 0 | 0 | 0 | 0 | 1,624 | 41,057 |
| 2009-05-21 | 36 | 16,674 | 15,002 | 5,894 | 333 | 574 | 263 | 0 | 0 | 0 | 0 | 1,624 | 40,364 |
| 2009-05-21 | 37 | 16,598 | 14,324 | 5,881 | 326 | 584 | 245 | 0 | 0 | 0 | 0 | 1,624 | 39,582 |
| 2009-05-21 | 38 | 16,584 | 13,813 | 5,900 | 307 | 622 | 230 | 0 | 0 | 0 | 0 | 1,588 | 39,044 |
| 2009-05-21 | 39 | 16,642 | 13,284 | 5,897 | 263 | 386 | 213 | 0 | 0 | 0 | 0 | 1,582 | 38,267 |
| 2009-05-21 | 40 | 16,476 | 12,638 | 5,899 | 258 | 366 | 226 | 0 | 0 | 0 | 0 | 1,584 | 37,447 |
| 2009-05-21 | 41 | 16,551 | 12,151 | 5,895 | 243 | 400 | 210 | 0 | 0 | 0 | 0 | 1,582 | 37,032 |
| 2009-05-21 | 42 | 16,536 | 11,934 | 5,894 | 239 | 356 | 179 | 0 | 0 | 0 | 0 | 1,582 | 36,720 |
| 2009-05-21 | 43 | 16,602 | 12,588 | 5,867 | 188 | 424 | 181 | 0 | 0 | 0 | 0 | 1,606 | 37,456 |
| 2009-05-21 | 44 | 16,475 | 12,599 | 5,861 | 172 | 656 | 159 | 0 | 0 | 0 | 0 | 1,584 | 37,506 |
| 2009-05-21 | 45 | 16,243 | 12,061 | 5,861 | 171 | 358 | 153 | 0 | 0 | 0 | 0 | 1,582 | 36,429 |
| 2009-05-21 | 46 | 16,024 | 10,223 | 5,861 | 165 | -16 | 161 | 0 | 0 | 0 | 0 | 1,680 | 34,098 |
| 2009-05-21 | 47 | 15,616 | 8,421 | 5,858 | 122 | -306 | 158 | 0 | 0 | 0 | 0 | 1,726 | 31,595 |
| 2009-05-21 | 48 | 15,320 | 7,371 | 5,821 | 121 | -1,128 | 172 | 0 | 0 | 0 | 0 | 1,814 | 29,491 |