| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-04-28 | 1 | 14,179 | 3,165 | 8,621 | 94 | -718 | 673 | 0 | 0 | 0 | 0 | 560 | 26,574 |
| 2011-04-28 | 2 | 13,692 | 3,038 | 8,622 | 94 | -1,116 | 684 | 0 | 0 | 0 | 0 | 622 | 25,636 |
| 2011-04-28 | 3 | 14,183 | 3,078 | 8,619 | 63 | -1,026 | 687 | 0 | 0 | 0 | 0 | -42 | 25,562 |
| 2011-04-28 | 4 | 14,170 | 3,149 | 8,622 | 63 | -1,100 | 674 | 0 | 0 | 0 | 0 | -44 | 25,534 |
| 2011-04-28 | 5 | 13,662 | 3,030 | 8,624 | 63 | -1,126 | 676 | 0 | 0 | 0 | 0 | 348 | 25,277 |
| 2011-04-28 | 6 | 13,240 | 2,974 | 8,628 | 64 | -1,204 | 676 | 0 | 0 | 0 | 0 | 434 | 24,812 |
| 2011-04-28 | 7 | 13,082 | 2,916 | 8,636 | 64 | -1,338 | 659 | 0 | 0 | 0 | 0 | 604 | 24,623 |
| 2011-04-28 | 8 | 12,985 | 2,914 | 8,628 | 64 | -1,460 | 643 | 0 | 0 | 0 | 0 | 666 | 24,440 |
| 2011-04-28 | 9 | 13,368 | 2,903 | 8,627 | 64 | -1,232 | 634 | 0 | 0 | 0 | 0 | 70 | 24,434 |
| 2011-04-28 | 10 | 13,521 | 2,957 | 8,616 | 64 | -1,308 | 615 | 0 | 0 | 0 | 0 | -12 | 24,453 |
| 2011-04-28 | 11 | 13,478 | 3,205 | 8,622 | 64 | -892 | 612 | 0 | 0 | 0 | 0 | -118 | 24,971 |
| 2011-04-28 | 12 | 13,675 | 2,957 | 8,628 | 66 | -520 | 614 | 0 | 0 | 0 | 0 | -132 | 25,288 |
| 2011-04-28 | 13 | 15,065 | 3,692 | 8,632 | 72 | 14 | 629 | 0 | 0 | 0 | 0 | -552 | 27,552 |
| 2011-04-28 | 14 | 16,495 | 4,610 | 8,635 | 73 | -12 | 651 | 0 | 0 | 0 | 0 | -576 | 29,876 |
| 2011-04-28 | 15 | 18,595 | 5,773 | 8,624 | 134 | 312 | 657 | 0 | 0 | 0 | 0 | -112 | 33,983 |
| 2011-04-28 | 16 | 20,101 | 6,638 | 8,623 | 139 | 360 | 652 | 0 | 0 | 0 | 0 | -226 | 36,287 |
| 2011-04-28 | 17 | 20,707 | 7,632 | 8,621 | 140 | 796 | 625 | 0 | 0 | 0 | 0 | -400 | 38,121 |
| 2011-04-28 | 18 | 20,742 | 8,233 | 8,627 | 188 | 732 | 614 | 0 | 0 | 0 | 0 | -558 | 38,578 |
| 2011-04-28 | 19 | 20,690 | 8,391 | 8,622 | 332 | 862 | 619 | 0 | 0 | 0 | 0 | -148 | 39,368 |
| 2011-04-28 | 20 | 20,706 | 8,506 | 8,621 | 337 | 804 | 612 | 0 | 0 | 0 | 0 | -134 | 39,452 |
| 2011-04-28 | 21 | 20,601 | 8,405 | 8,620 | 339 | 804 | 602 | 0 | 0 | 0 | 0 | 114 | 39,485 |
| 2011-04-28 | 22 | 20,777 | 8,394 | 8,628 | 355 | 702 | 606 | 0 | 0 | 0 | 0 | 122 | 39,584 |
| 2011-04-28 | 23 | 20,825 | 8,063 | 8,616 | 353 | 764 | 613 | 0 | 0 | 0 | 0 | 170 | 39,404 |
| 2011-04-28 | 24 | 20,747 | 8,026 | 8,605 | 353 | 844 | 616 | 0 | 0 | 0 | 0 | 170 | 39,361 |
| 2011-04-28 | 25 | 20,727 | 7,869 | 8,576 | 351 | 976 | 666 | 0 | 0 | 0 | 0 | 262 | 39,427 |
| 2011-04-28 | 26 | 20,840 | 7,472 | 8,492 | 348 | 998 | 657 | 0 | 0 | 0 | 0 | 266 | 39,073 |
| 2011-04-28 | 27 | 20,898 | 7,355 | 8,485 | 170 | 968 | 642 | 0 | 0 | 0 | 0 | 218 | 38,736 |
| 2011-04-28 | 28 | 20,732 | 7,211 | 8,485 | 167 | 706 | 616 | 0 | 0 | 0 | 0 | 196 | 38,113 |
| 2011-04-28 | 29 | 20,635 | 7,279 | 8,498 | 167 | 742 | 638 | 0 | 0 | 0 | 0 | -72 | 37,887 |
| 2011-04-28 | 30 | 20,502 | 7,381 | 8,504 | 152 | 544 | 691 | 0 | 0 | 0 | 0 | -86 | 37,688 |
| 2011-04-28 | 31 | 20,329 | 7,356 | 8,494 | 149 | 314 | 690 | 0 | 0 | 0 | 0 | 52 | 37,384 |
| 2011-04-28 | 32 | 20,128 | 7,540 | 8,487 | 164 | 314 | 715 | 0 | 0 | 0 | 0 | 54 | 37,402 |
| 2011-04-28 | 33 | 20,064 | 7,691 | 8,482 | 178 | 316 | 767 | 0 | 0 | 0 | 0 | 226 | 37,724 |
| 2011-04-28 | 34 | 20,072 | 7,918 | 8,475 | 182 | 442 | 754 | 0 | 0 | 0 | 0 | 254 | 38,097 |
| 2011-04-28 | 35 | 19,903 | 8,172 | 8,485 | 280 | 442 | 761 | 0 | 0 | 0 | 0 | 178 | 38,221 |
| 2011-04-28 | 36 | 19,665 | 7,902 | 8,475 | 286 | 296 | 801 | 0 | 0 | 0 | 0 | 192 | 37,617 |
| 2011-04-28 | 37 | 19,277 | 8,172 | 8,463 | 298 | 306 | 763 | 0 | 0 | 0 | 0 | -116 | 37,163 |
| 2011-04-28 | 38 | 18,812 | 8,200 | 8,398 | 303 | 316 | 757 | 0 | 0 | 0 | 0 | -106 | 36,680 |
| 2011-04-28 | 39 | 18,503 | 7,901 | 8,322 | 329 | 320 | 744 | 0 | 0 | 0 | 0 | 174 | 36,293 |
| 2011-04-28 | 40 | 18,159 | 7,673 | 8,270 | 329 | 358 | 730 | 0 | 0 | 0 | 0 | 204 | 35,723 |
| 2011-04-28 | 41 | 18,126 | 7,603 | 8,257 | 321 | 344 | 756 | 0 | 0 | 0 | 0 | 472 | 35,879 |
| 2011-04-28 | 42 | 18,492 | 7,910 | 8,253 | 300 | 556 | 823 | 0 | 0 | 0 | 0 | 592 | 36,926 |
| 2011-04-28 | 43 | 18,617 | 8,160 | 8,254 | 249 | 690 | 860 | 0 | 0 | 0 | 0 | 440 | 37,270 |
| 2011-04-28 | 44 | 17,793 | 7,804 | 8,257 | 227 | 288 | 900 | 0 | 0 | 0 | 0 | 444 | 35,713 |
| 2011-04-28 | 45 | 17,389 | 7,300 | 8,257 | 184 | 252 | 875 | 0 | 0 | 0 | 0 | 296 | 34,553 |
| 2011-04-28 | 46 | 16,273 | 6,529 | 8,266 | 149 | -22 | 840 | 0 | 0 | 0 | 0 | 270 | 32,305 |
| 2011-04-28 | 47 | 15,812 | 5,018 | 8,266 | 85 | -272 | 820 | 0 | 0 | 0 | 0 | 530 | 30,259 |
| 2011-04-28 | 48 | 15,121 | 3,774 | 8,266 | 85 | -438 | 846 | 0 | 0 | 0 | 0 | 520 | 28,174 |