| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2011-04-21 | 1 | 13,407 | 6,100 | 8,362 | 153 | -1,648 | 263 | 0 | 0 | 0 | 0 | 782 | 27,419 |
| 2011-04-21 | 2 | 12,958 | 5,745 | 8,355 | 153 | -1,736 | 251 | 0 | 0 | 0 | 0 | 830 | 26,556 |
| 2011-04-21 | 3 | 12,764 | 5,818 | 8,349 | 151 | -1,780 | 239 | 0 | 0 | 0 | 0 | 910 | 26,451 |
| 2011-04-21 | 4 | 12,722 | 5,910 | 8,349 | 123 | -1,776 | 237 | 0 | 0 | 0 | 0 | 836 | 26,401 |
| 2011-04-21 | 5 | 12,212 | 5,772 | 8,357 | 122 | -1,704 | 233 | 0 | 0 | 0 | 0 | 932 | 25,924 |
| 2011-04-21 | 6 | 12,165 | 5,542 | 8,366 | 121 | -1,816 | 227 | 0 | 0 | 0 | 0 | 1,002 | 25,607 |
| 2011-04-21 | 7 | 12,179 | 5,616 | 8,465 | 119 | -2,038 | 220 | 0 | 0 | 0 | 0 | 718 | 25,279 |
| 2011-04-21 | 8 | 12,066 | 5,550 | 8,583 | 119 | -2,042 | 131 | 0 | 0 | 0 | 0 | 722 | 25,129 |
| 2011-04-21 | 9 | 12,029 | 5,428 | 8,594 | 118 | -2,074 | 123 | 0 | 0 | 0 | 0 | 706 | 24,924 |
| 2011-04-21 | 10 | 12,019 | 5,514 | 8,590 | 118 | -2,154 | 117 | 0 | 0 | 0 | 0 | 730 | 24,934 |
| 2011-04-21 | 11 | 12,661 | 6,063 | 8,583 | 117 | -1,704 | 106 | 0 | 0 | 0 | 0 | -160 | 25,666 |
| 2011-04-21 | 12 | 12,815 | 6,188 | 8,582 | 116 | -1,374 | 106 | 0 | 0 | 0 | 0 | -172 | 26,261 |
| 2011-04-21 | 13 | 13,235 | 6,630 | 8,584 | 116 | -214 | 110 | 0 | 0 | 0 | 0 | -232 | 28,229 |
| 2011-04-21 | 14 | 14,567 | 7,460 | 8,582 | 122 | -158 | 113 | 0 | 0 | 0 | 0 | -288 | 30,398 |
| 2011-04-21 | 15 | 16,012 | 8,807 | 8,583 | 192 | 214 | 121 | 0 | 0 | 0 | 0 | -158 | 33,771 |
| 2011-04-21 | 16 | 16,447 | 10,515 | 8,582 | 193 | 298 | 127 | 0 | 0 | 0 | 0 | -164 | 35,998 |
| 2011-04-21 | 17 | 17,173 | 11,414 | 8,578 | 193 | 306 | 124 | 0 | 0 | 0 | 0 | 170 | 37,958 |
| 2011-04-21 | 18 | 17,633 | 12,120 | 8,576 | 217 | 366 | 128 | 0 | 0 | 0 | 0 | 2 | 39,042 |
| 2011-04-21 | 19 | 17,556 | 12,288 | 8,575 | 396 | 366 | 123 | 0 | 0 | 0 | 0 | 586 | 39,890 |
| 2011-04-21 | 20 | 17,547 | 12,471 | 8,569 | 414 | 344 | 112 | 0 | 0 | 0 | 0 | 556 | 40,013 |
| 2011-04-21 | 21 | 17,427 | 12,436 | 8,570 | 418 | 450 | 115 | 0 | 0 | 0 | 0 | 668 | 40,084 |
| 2011-04-21 | 22 | 17,364 | 12,380 | 8,567 | 453 | 504 | 124 | 0 | 0 | 0 | 0 | 664 | 40,056 |
| 2011-04-21 | 23 | 17,343 | 12,342 | 8,507 | 409 | 568 | 130 | 0 | 0 | 0 | 0 | 846 | 40,145 |
| 2011-04-21 | 24 | 17,363 | 12,572 | 8,380 | 438 | 442 | 145 | 0 | 0 | 0 | 0 | 850 | 40,190 |
| 2011-04-21 | 25 | 17,258 | 12,814 | 8,355 | 442 | 458 | 153 | 0 | 0 | 0 | 0 | 792 | 40,272 |
| 2011-04-21 | 26 | 17,093 | 12,784 | 8,347 | 417 | 306 | 157 | 0 | 0 | 0 | 0 | 770 | 39,874 |
| 2011-04-21 | 27 | 17,051 | 13,009 | 8,352 | 286 | 294 | 155 | 0 | 0 | 0 | 0 | 554 | 39,701 |
| 2011-04-21 | 28 | 16,966 | 12,811 | 8,315 | 282 | 296 | 167 | 0 | 0 | 0 | 0 | 540 | 39,377 |
| 2011-04-21 | 29 | 16,953 | 12,968 | 8,334 | 284 | 302 | 204 | 0 | 0 | 0 | 0 | -2 | 39,043 |
| 2011-04-21 | 30 | 16,883 | 12,717 | 8,361 | 285 | 312 | 228 | 0 | 0 | 0 | 0 | -14 | 38,772 |
| 2011-04-21 | 31 | 16,566 | 12,881 | 8,353 | 271 | 402 | 286 | 0 | 0 | 0 | 0 | -26 | 38,733 |
| 2011-04-21 | 32 | 16,408 | 12,997 | 8,359 | 271 | 304 | 332 | 0 | 0 | 0 | 0 | -120 | 38,551 |
| 2011-04-21 | 33 | 16,389 | 12,469 | 8,356 | 288 | 302 | 353 | 0 | 0 | 0 | 0 | 312 | 38,469 |
| 2011-04-21 | 34 | 16,307 | 12,486 | 8,380 | 315 | 290 | 368 | 0 | 0 | 0 | 0 | 322 | 38,468 |
| 2011-04-21 | 35 | 16,375 | 12,136 | 8,500 | 407 | 412 | 409 | 0 | 0 | 0 | 0 | 238 | 38,477 |
| 2011-04-21 | 36 | 16,426 | 11,581 | 8,586 | 380 | 318 | 441 | 0 | 0 | 0 | 0 | 298 | 38,030 |
| 2011-04-21 | 37 | 16,667 | 11,412 | 8,581 | 377 | 402 | 452 | 0 | 0 | 0 | 0 | -408 | 37,483 |
| 2011-04-21 | 38 | 16,604 | 11,149 | 8,590 | 375 | 308 | 451 | 0 | 0 | 0 | 0 | -420 | 37,057 |
| 2011-04-21 | 39 | 16,794 | 10,042 | 8,588 | 396 | 398 | 530 | 0 | 0 | 0 | 0 | -308 | 36,440 |
| 2011-04-21 | 40 | 16,570 | 9,723 | 8,593 | 393 | 348 | 603 | 0 | 0 | 0 | 0 | -290 | 35,940 |
| 2011-04-21 | 41 | 16,325 | 9,102 | 8,591 | 392 | 502 | 669 | 0 | 0 | 0 | 0 | 810 | 36,391 |
| 2011-04-21 | 42 | 16,745 | 9,427 | 8,584 | 440 | 722 | 751 | 0 | 0 | 0 | 0 | 858 | 37,527 |
| 2011-04-21 | 43 | 16,920 | 8,946 | 8,585 | 392 | 692 | 776 | 0 | 0 | 0 | 0 | 764 | 37,075 |
| 2011-04-21 | 44 | 16,858 | 7,953 | 8,586 | 349 | 312 | 766 | 0 | 0 | 0 | 0 | 774 | 35,598 |
| 2011-04-21 | 45 | 16,688 | 7,074 | 8,589 | 168 | 172 | 707 | 0 | 0 | 0 | 0 | 422 | 33,820 |
| 2011-04-21 | 46 | 16,314 | 5,544 | 8,598 | 164 | 6 | 706 | 0 | 0 | 0 | 0 | 566 | 31,898 |
| 2011-04-21 | 47 | 15,127 | 4,177 | 8,591 | 123 | -6 | 673 | 0 | 0 | 0 | 0 | 1,306 | 29,991 |
| 2011-04-21 | 48 | 14,169 | 3,468 | 8,598 | 123 | -4 | 660 | 0 | 0 | 0 | 0 | 1,320 | 28,334 |