| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-04-21 | 1 | 15,858 | 4,170 | 8,544 | 250 | -1,704 | 86 | 0 | 0 | 0 | 0 | 624 | 27,828 |
| 2009-04-21 | 2 | 15,809 | 3,838 | 8,549 | 284 | -1,982 | 102 | 0 | 0 | 0 | 0 | 622 | 27,222 |
| 2009-04-21 | 3 | 16,289 | 3,923 | 8,545 | 197 | -2,068 | 128 | 0 | 0 | 0 | 0 | 660 | 27,674 |
| 2009-04-21 | 4 | 16,448 | 3,976 | 8,550 | 195 | -1,872 | 152 | 0 | 0 | 0 | 0 | 660 | 28,109 |
| 2009-04-21 | 5 | 16,405 | 3,860 | 8,541 | 151 | -2,100 | 165 | 0 | 0 | 0 | 0 | 670 | 27,692 |
| 2009-04-21 | 6 | 16,181 | 3,758 | 8,542 | 145 | -2,118 | 160 | 0 | 0 | 0 | 0 | 672 | 27,340 |
| 2009-04-21 | 7 | 15,886 | 3,767 | 8,536 | 145 | -2,104 | 171 | 0 | 0 | 0 | 0 | 524 | 26,925 |
| 2009-04-21 | 8 | 15,648 | 3,768 | 8,538 | 145 | -2,094 | 229 | 0 | 0 | 0 | 0 | 524 | 26,758 |
| 2009-04-21 | 9 | 15,318 | 3,762 | 8,533 | 145 | -1,932 | 217 | 0 | 0 | 0 | 0 | 500 | 26,543 |
| 2009-04-21 | 10 | 15,556 | 3,742 | 8,536 | 147 | -1,892 | 197 | 0 | 0 | 0 | 0 | 256 | 26,542 |
| 2009-04-21 | 11 | 16,059 | 4,043 | 8,537 | 161 | -622 | 212 | 0 | 0 | 0 | 0 | -1,388 | 27,002 |
| 2009-04-21 | 12 | 16,036 | 4,731 | 8,539 | 161 | -370 | 234 | 0 | 0 | 0 | 0 | -1,644 | 27,687 |
| 2009-04-21 | 13 | 16,899 | 6,056 | 8,533 | 162 | -368 | 241 | 0 | 0 | 0 | 0 | -1,392 | 30,131 |
| 2009-04-21 | 14 | 17,809 | 8,232 | 8,532 | 164 | -252 | 276 | 0 | 0 | 0 | 0 | -1,388 | 33,373 |
| 2009-04-21 | 15 | 18,194 | 10,311 | 8,533 | 177 | -12 | 255 | 0 | 0 | 0 | 0 | -236 | 37,222 |
| 2009-04-21 | 16 | 18,346 | 12,493 | 8,545 | 199 | 4 | 258 | 0 | 0 | 0 | 0 | -276 | 39,569 |
| 2009-04-21 | 17 | 18,287 | 13,466 | 8,538 | 215 | 230 | 278 | 0 | 0 | 0 | 0 | -432 | 40,582 |
| 2009-04-21 | 18 | 18,306 | 13,587 | 8,541 | 301 | 42 | 329 | 0 | 0 | 0 | 0 | -510 | 40,596 |
| 2009-04-21 | 19 | 18,211 | 13,750 | 8,536 | 360 | 474 | 348 | 0 | 0 | 0 | 0 | -496 | 41,183 |
| 2009-04-21 | 20 | 18,165 | 13,679 | 8,540 | 394 | 694 | 349 | 0 | 0 | 0 | 0 | -494 | 41,327 |
| 2009-04-21 | 21 | 18,218 | 13,796 | 8,537 | 393 | 638 | 362 | 0 | 0 | 0 | 0 | -492 | 41,452 |
| 2009-04-21 | 22 | 18,176 | 13,824 | 8,544 | 387 | 558 | 364 | 0 | 0 | 0 | 0 | -432 | 41,421 |
| 2009-04-21 | 23 | 18,066 | 14,236 | 8,515 | 401 | 354 | 372 | 0 | 0 | 0 | 0 | -434 | 41,510 |
| 2009-04-21 | 24 | 17,894 | 14,233 | 8,498 | 400 | 494 | 419 | 0 | 0 | 0 | 0 | -434 | 41,504 |
| 2009-04-21 | 25 | 17,747 | 13,841 | 8,497 | 626 | 880 | 450 | 0 | 0 | 0 | 0 | -444 | 41,597 |
| 2009-04-21 | 26 | 17,741 | 13,836 | 8,499 | 682 | 496 | 474 | 0 | 0 | 0 | 0 | -446 | 41,282 |
| 2009-04-21 | 27 | 17,727 | 13,906 | 8,496 | 516 | 292 | 515 | 0 | 0 | 0 | 0 | -402 | 41,050 |
| 2009-04-21 | 28 | 17,639 | 13,678 | 8,499 | 386 | 416 | 597 | 0 | 0 | 0 | 0 | -454 | 40,761 |
| 2009-04-21 | 29 | 17,624 | 13,696 | 8,497 | 374 | 220 | 603 | 16 | 0 | 0 | 0 | -418 | 40,612 |
| 2009-04-21 | 30 | 17,736 | 13,332 | 8,502 | 411 | 72 | 686 | 8 | 0 | 0 | 0 | -456 | 40,291 |
| 2009-04-21 | 31 | 17,483 | 12,474 | 8,531 | 399 | -4 | 736 | 4 | 0 | 0 | 0 | 410 | 40,033 |
| 2009-04-21 | 32 | 17,451 | 12,699 | 8,525 | 401 | -4 | 768 | 0 | 0 | 0 | 0 | 416 | 40,256 |
| 2009-04-21 | 33 | 17,609 | 12,961 | 8,531 | 413 | 46 | 768 | 0 | 0 | 0 | 0 | 538 | 40,866 |
| 2009-04-21 | 34 | 17,656 | 12,990 | 8,536 | 452 | 244 | 741 | 0 | 0 | 0 | 0 | 720 | 41,339 |
| 2009-04-21 | 35 | 17,660 | 12,912 | 8,540 | 480 | 278 | 739 | 0 | 0 | 0 | 0 | 782 | 41,391 |
| 2009-04-21 | 36 | 17,650 | 12,574 | 8,546 | 478 | 192 | 706 | 0 | 0 | 0 | 0 | 634 | 40,780 |
| 2009-04-21 | 37 | 17,703 | 12,284 | 8,542 | 422 | 36 | 597 | 0 | 0 | 0 | 0 | 416 | 40,000 |
| 2009-04-21 | 38 | 17,739 | 11,698 | 8,538 | 421 | 26 | 446 | 0 | 0 | 0 | 0 | 514 | 39,382 |
| 2009-04-21 | 39 | 17,691 | 10,806 | 8,506 | 448 | 20 | 383 | 0 | 0 | 0 | 0 | 932 | 38,786 |
| 2009-04-21 | 40 | 17,766 | 10,491 | 8,499 | 400 | 22 | 325 | 0 | 0 | 0 | 0 | 946 | 38,449 |
| 2009-04-21 | 41 | 17,788 | 10,726 | 8,497 | 349 | 744 | 220 | 0 | 0 | 0 | 0 | 1,036 | 39,360 |
| 2009-04-21 | 42 | 18,057 | 11,361 | 8,504 | 339 | 1,100 | 195 | 0 | 0 | 0 | 0 | 1,100 | 40,656 |
| 2009-04-21 | 43 | 18,091 | 11,173 | 8,526 | 262 | 1,168 | 151 | 0 | 0 | 0 | 0 | 1,020 | 40,391 |
| 2009-04-21 | 44 | 17,847 | 10,332 | 8,584 | 248 | 234 | 145 | 0 | 0 | 0 | 0 | 914 | 38,304 |
| 2009-04-21 | 45 | 17,860 | 9,020 | 8,587 | 257 | 92 | 149 | 0 | 0 | 0 | 0 | 574 | 36,539 |
| 2009-04-21 | 46 | 17,667 | 6,808 | 8,618 | 250 | -12 | 120 | 0 | 0 | 0 | 0 | 568 | 34,019 |
| 2009-04-21 | 47 | 17,331 | 5,513 | 8,641 | 176 | -32 | 119 | 0 | 0 | 0 | 0 | -148 | 31,600 |
| 2009-04-21 | 48 | 16,804 | 4,329 | 8,650 | 177 | -506 | 109 | 0 | 0 | 0 | 0 | -176 | 29,387 |