| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-05-12 | 1 | 14,792 | 4,169 | 7,265 | 327 | -1,660 | 159 | 0 | 0 | 0 | 0 | 1,788 | 26,840 |
| 2009-05-12 | 2 | 14,208 | 4,012 | 7,246 | 297 | -1,700 | 155 | 0 | 0 | 0 | 0 | 1,790 | 26,008 |
| 2009-05-12 | 3 | 14,586 | 4,030 | 7,248 | 247 | -1,668 | 150 | 0 | 0 | 0 | 0 | 1,788 | 26,381 |
| 2009-05-12 | 4 | 14,912 | 4,181 | 7,251 | 244 | -1,876 | 151 | 0 | 0 | 0 | 0 | 1,790 | 26,653 |
| 2009-05-12 | 5 | 14,651 | 4,073 | 7,266 | 244 | -1,878 | 147 | 0 | 0 | 0 | 0 | 1,788 | 26,291 |
| 2009-05-12 | 6 | 14,544 | 3,831 | 7,327 | 244 | -1,902 | 166 | 0 | 0 | 0 | 0 | 1,790 | 26,000 |
| 2009-05-12 | 7 | 14,283 | 3,810 | 7,331 | 244 | -1,920 | 186 | 0 | 0 | 0 | 0 | 1,790 | 25,724 |
| 2009-05-12 | 8 | 14,135 | 3,765 | 7,357 | 246 | -1,926 | 195 | 0 | 0 | 0 | 0 | 1,790 | 25,562 |
| 2009-05-12 | 9 | 14,013 | 3,713 | 7,376 | 241 | -1,986 | 205 | 0 | 0 | 0 | 0 | 1,788 | 25,350 |
| 2009-05-12 | 10 | 14,027 | 3,735 | 7,375 | 241 | -1,984 | 200 | 0 | 0 | 0 | 0 | 1,634 | 25,228 |
| 2009-05-12 | 11 | 14,432 | 4,030 | 7,372 | 254 | -1,284 | 218 | 0 | 0 | 0 | 0 | -34 | 24,988 |
| 2009-05-12 | 12 | 14,716 | 4,271 | 7,373 | 255 | -1,038 | 207 | 0 | 0 | 0 | 0 | -28 | 25,756 |
| 2009-05-12 | 13 | 15,329 | 6,186 | 7,272 | 254 | -470 | 192 | 0 | 0 | 0 | 0 | -146 | 28,617 |
| 2009-05-12 | 14 | 16,213 | 8,506 | 6,981 | 203 | -44 | 162 | 0 | 0 | 0 | 0 | -144 | 31,877 |
| 2009-05-12 | 15 | 16,636 | 10,131 | 6,977 | 314 | 342 | 167 | 0 | 0 | 0 | 0 | 1,410 | 35,977 |
| 2009-05-12 | 16 | 16,957 | 11,411 | 6,979 | 401 | 412 | 195 | 0 | 0 | 0 | 0 | 1,976 | 38,331 |
| 2009-05-12 | 17 | 16,967 | 12,257 | 6,976 | 433 | 866 | 222 | 0 | 0 | 0 | 0 | 1,844 | 39,565 |
| 2009-05-12 | 18 | 16,830 | 12,569 | 6,941 | 596 | 726 | 253 | 0 | 0 | 0 | 0 | 1,702 | 39,617 |
| 2009-05-12 | 19 | 16,774 | 13,021 | 6,931 | 629 | 1,130 | 310 | 0 | 0 | 0 | 0 | 1,656 | 40,451 |
| 2009-05-12 | 20 | 16,707 | 13,483 | 6,933 | 610 | 1,174 | 362 | 0 | 0 | 0 | 0 | 1,388 | 40,657 |
| 2009-05-12 | 21 | 16,685 | 13,636 | 6,942 | 601 | 1,196 | 404 | 0 | 0 | 0 | 0 | 1,224 | 40,688 |
| 2009-05-12 | 22 | 16,629 | 13,661 | 6,946 | 606 | 870 | 427 | 0 | 0 | 0 | 0 | 1,570 | 40,709 |
| 2009-05-12 | 23 | 16,670 | 13,624 | 6,922 | 596 | 984 | 437 | 0 | 0 | 0 | 0 | 1,640 | 40,873 |
| 2009-05-12 | 24 | 16,667 | 13,704 | 6,857 | 614 | 1,022 | 452 | 0 | 0 | 0 | 0 | 1,686 | 41,002 |
| 2009-05-12 | 25 | 16,634 | 13,681 | 6,835 | 597 | 1,076 | 481 | 0 | 0 | 0 | 0 | 1,664 | 40,968 |
| 2009-05-12 | 26 | 16,589 | 13,857 | 6,840 | 589 | 818 | 496 | 0 | 0 | 0 | 0 | 1,400 | 40,589 |
| 2009-05-12 | 27 | 16,581 | 13,968 | 6,840 | 534 | 744 | 527 | 0 | 0 | 0 | 0 | 1,234 | 40,428 |
| 2009-05-12 | 28 | 16,567 | 13,744 | 6,823 | 521 | 490 | 540 | 0 | 0 | 0 | 0 | 1,294 | 39,979 |
| 2009-05-12 | 29 | 16,469 | 13,729 | 6,507 | 516 | 752 | 542 | 2 | 0 | 0 | 0 | 1,308 | 39,825 |
| 2009-05-12 | 30 | 16,542 | 13,632 | 6,467 | 520 | 402 | 539 | 9 | 0 | 0 | 0 | 1,288 | 39,399 |
| 2009-05-12 | 31 | 16,543 | 13,105 | 6,474 | 534 | 402 | 546 | 1 | 0 | 0 | 0 | 1,546 | 39,151 |
| 2009-05-12 | 32 | 16,577 | 13,005 | 6,528 | 529 | 678 | 552 | 0 | 0 | 0 | 0 | 1,558 | 39,427 |
| 2009-05-12 | 33 | 16,698 | 13,148 | 6,572 | 528 | 906 | 538 | 0 | 0 | 0 | 0 | 1,540 | 39,930 |
| 2009-05-12 | 34 | 16,788 | 13,212 | 6,641 | 534 | 1,176 | 529 | 0 | 0 | 0 | 0 | 1,578 | 40,458 |
| 2009-05-12 | 35 | 16,515 | 13,390 | 6,657 | 673 | 1,192 | 544 | 0 | 0 | 0 | 0 | 1,544 | 40,515 |
| 2009-05-12 | 36 | 16,375 | 13,257 | 6,620 | 670 | 932 | 512 | 0 | 0 | 0 | 0 | 1,540 | 39,906 |
| 2009-05-12 | 37 | 16,402 | 12,670 | 6,621 | 685 | 702 | 532 | 0 | 0 | 0 | 0 | 1,610 | 39,222 |
| 2009-05-12 | 38 | 16,423 | 12,158 | 6,619 | 680 | 674 | 547 | 0 | 0 | 0 | 0 | 1,722 | 38,823 |
| 2009-05-12 | 39 | 16,274 | 11,870 | 6,622 | 577 | 768 | 543 | 0 | 0 | 0 | 0 | 1,496 | 38,150 |
| 2009-05-12 | 40 | 16,290 | 11,478 | 6,622 | 563 | 554 | 532 | 0 | 0 | 0 | 0 | 1,500 | 37,539 |
| 2009-05-12 | 41 | 16,339 | 10,899 | 6,620 | 663 | 806 | 502 | 0 | 0 | 0 | 0 | 1,500 | 37,329 |
| 2009-05-12 | 42 | 16,192 | 11,237 | 6,621 | 665 | 656 | 473 | 0 | 0 | 0 | 0 | 1,500 | 37,344 |
| 2009-05-12 | 43 | 16,402 | 11,570 | 6,624 | 661 | 758 | 518 | 0 | 0 | 0 | 0 | 1,686 | 38,219 |
| 2009-05-12 | 44 | 16,497 | 11,115 | 6,623 | 608 | 570 | 612 | 0 | 0 | 0 | 0 | 1,546 | 37,571 |
| 2009-05-12 | 45 | 16,514 | 10,156 | 6,618 | 369 | 240 | 595 | 0 | 0 | 0 | 0 | 1,314 | 35,806 |
| 2009-05-12 | 46 | 16,573 | 8,353 | 6,615 | 280 | -356 | 567 | 0 | 0 | 0 | 0 | 1,402 | 33,434 |
| 2009-05-12 | 47 | 16,286 | 6,544 | 6,611 | 193 | -1,064 | 506 | 0 | 0 | 0 | 0 | 1,808 | 30,884 |
| 2009-05-12 | 48 | 15,732 | 5,578 | 6,616 | 230 | -1,716 | 491 | 0 | 0 | 0 | 0 | 1,772 | 28,703 |