| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-05-04 | 1 | 14,202 | 2,576 | 7,710 | 136 | -1,030 | 482 | 0 | 0 | 0 | 0 | 1,486 | 25,562 |
| 2009-05-04 | 2 | 13,554 | 2,456 | 7,704 | 136 | -1,028 | 470 | 0 | 0 | 0 | 0 | 1,480 | 24,772 |
| 2009-05-04 | 3 | 13,888 | 2,448 | 7,706 | 137 | -1,026 | 466 | 0 | 0 | 0 | 0 | 1,478 | 25,097 |
| 2009-05-04 | 4 | 13,824 | 2,688 | 7,702 | 136 | -1,018 | 514 | 0 | 0 | 0 | 0 | 1,480 | 25,326 |
| 2009-05-04 | 5 | 13,669 | 2,509 | 7,702 | 138 | -1,170 | 583 | 0 | 0 | 0 | 0 | 1,478 | 24,909 |
| 2009-05-04 | 6 | 13,344 | 2,450 | 7,695 | 139 | -1,184 | 651 | 0 | 0 | 0 | 0 | 1,480 | 24,575 |
| 2009-05-04 | 7 | 13,042 | 2,575 | 7,700 | 153 | -1,426 | 661 | 0 | 0 | 0 | 0 | 1,478 | 24,183 |
| 2009-05-04 | 8 | 12,771 | 2,564 | 7,700 | 154 | -1,422 | 652 | 0 | 0 | 0 | 0 | 1,480 | 23,899 |
| 2009-05-04 | 9 | 12,711 | 2,619 | 7,710 | 156 | -1,552 | 654 | 0 | 0 | 0 | 0 | 1,298 | 23,596 |
| 2009-05-04 | 10 | 12,823 | 2,547 | 7,698 | 158 | -1,490 | 650 | 0 | 0 | 0 | 0 | 960 | 23,346 |
| 2009-05-04 | 11 | 13,082 | 2,674 | 7,697 | 174 | -794 | 636 | 0 | 0 | 0 | 0 | -286 | 23,183 |
| 2009-05-04 | 12 | 12,910 | 2,601 | 7,707 | 176 | -780 | 609 | 0 | 0 | 0 | 0 | -330 | 22,893 |
| 2009-05-04 | 13 | 13,094 | 2,765 | 7,678 | 208 | -458 | 646 | 0 | 0 | 0 | 0 | -194 | 23,739 |
| 2009-05-04 | 14 | 13,380 | 3,044 | 7,665 | 226 | -126 | 730 | 0 | 0 | 0 | 0 | -236 | 24,683 |
| 2009-05-04 | 15 | 14,684 | 3,915 | 7,653 | 332 | -216 | 791 | 0 | 0 | 0 | 0 | -1,054 | 26,105 |
| 2009-05-04 | 16 | 15,025 | 4,865 | 7,656 | 331 | -252 | 804 | 0 | 0 | 0 | 0 | -1,000 | 27,429 |
| 2009-05-04 | 17 | 15,578 | 5,798 | 7,668 | 320 | -128 | 839 | 0 | 0 | 0 | 0 | -994 | 29,081 |
| 2009-05-04 | 18 | 16,210 | 6,452 | 7,676 | 276 | -28 | 898 | 0 | 0 | 0 | 0 | -1,060 | 30,424 |
| 2009-05-04 | 19 | 16,488 | 7,096 | 7,605 | 331 | 144 | 948 | 0 | 0 | 0 | 0 | -566 | 32,046 |
| 2009-05-04 | 20 | 17,011 | 7,622 | 7,574 | 333 | 246 | 928 | 0 | 0 | 0 | 0 | -624 | 33,090 |
| 2009-05-04 | 21 | 17,501 | 7,984 | 7,570 | 332 | 402 | 935 | 0 | 0 | 0 | 0 | -712 | 34,012 |
| 2009-05-04 | 22 | 17,425 | 8,575 | 7,571 | 329 | 464 | 935 | 0 | 0 | 0 | 0 | -720 | 34,579 |
| 2009-05-04 | 23 | 17,390 | 8,659 | 7,573 | 309 | 652 | 906 | 0 | 0 | 0 | 0 | -690 | 34,799 |
| 2009-05-04 | 24 | 17,452 | 8,758 | 7,535 | 348 | 734 | 916 | 0 | 0 | 0 | 0 | -736 | 35,007 |
| 2009-05-04 | 25 | 17,444 | 8,869 | 7,479 | 338 | 828 | 961 | 0 | 0 | 0 | 0 | -676 | 35,243 |
| 2009-05-04 | 26 | 17,406 | 8,806 | 7,491 | 313 | 834 | 985 | 0 | 0 | 0 | 0 | -642 | 35,193 |
| 2009-05-04 | 27 | 17,187 | 8,913 | 7,498 | 254 | 644 | 998 | 0 | 0 | 0 | 0 | -516 | 34,978 |
| 2009-05-04 | 28 | 16,922 | 8,733 | 7,497 | 283 | 416 | 1,036 | 0 | 0 | 0 | 0 | -468 | 34,419 |
| 2009-05-04 | 29 | 16,704 | 8,661 | 7,518 | 281 | 458 | 1,038 | 8 | 0 | 0 | 0 | -428 | 34,240 |
| 2009-05-04 | 30 | 16,512 | 8,739 | 7,533 | 298 | 290 | 1,027 | 4 | 0 | 0 | 0 | -438 | 33,965 |
| 2009-05-04 | 31 | 16,463 | 8,425 | 7,528 | 325 | 346 | 989 | 0 | 0 | 0 | 0 | -46 | 34,030 |
| 2009-05-04 | 32 | 16,554 | 8,475 | 7,493 | 342 | 306 | 942 | 0 | 0 | 0 | 0 | 210 | 34,322 |
| 2009-05-04 | 33 | 16,768 | 8,834 | 7,493 | 378 | 432 | 942 | 0 | 0 | 0 | 0 | 210 | 35,057 |
| 2009-05-04 | 34 | 16,971 | 9,084 | 7,491 | 378 | 834 | 1,025 | 0 | 0 | 0 | 0 | 210 | 35,993 |
| 2009-05-04 | 35 | 17,144 | 9,454 | 7,486 | 409 | 1,296 | 1,033 | 16 | 0 | 0 | 0 | 210 | 37,048 |
| 2009-05-04 | 36 | 17,139 | 9,480 | 7,478 | 401 | 1,442 | 971 | 99 | 0 | 0 | 0 | 210 | 37,220 |
| 2009-05-04 | 37 | 16,975 | 9,557 | 7,462 | 349 | 1,322 | 1,022 | 178 | 0 | 0 | 0 | 220 | 37,085 |
| 2009-05-04 | 38 | 16,934 | 9,606 | 7,445 | 311 | 1,142 | 1,011 | 102 | 0 | 0 | 0 | 272 | 36,823 |
| 2009-05-04 | 39 | 16,835 | 9,316 | 7,400 | 324 | 388 | 993 | 1 | 0 | 0 | 0 | 1,050 | 36,307 |
| 2009-05-04 | 40 | 16,918 | 8,872 | 7,373 | 339 | 478 | 922 | 0 | 0 | 0 | 0 | 1,074 | 35,976 |
| 2009-05-04 | 41 | 16,857 | 8,514 | 7,375 | 367 | 404 | 825 | 0 | 0 | 0 | 0 | 1,482 | 35,824 |
| 2009-05-04 | 42 | 16,640 | 8,654 | 7,399 | 417 | 752 | 827 | 0 | 0 | 0 | 0 | 1,476 | 36,165 |
| 2009-05-04 | 43 | 16,763 | 8,931 | 7,441 | 419 | 990 | 832 | 0 | 0 | 0 | 0 | 1,102 | 36,478 |
| 2009-05-04 | 44 | 16,760 | 8,149 | 7,442 | 382 | 424 | 850 | 0 | 0 | 0 | 0 | 784 | 34,791 |
| 2009-05-04 | 45 | 16,729 | 6,887 | 7,429 | 355 | 180 | 909 | 0 | 0 | 0 | 0 | 814 | 33,303 |
| 2009-05-04 | 46 | 16,056 | 5,623 | 7,427 | 252 | -72 | 927 | 0 | 0 | 0 | 0 | 818 | 31,031 |
| 2009-05-04 | 47 | 15,527 | 4,578 | 7,412 | 180 | -974 | 886 | 0 | 0 | 0 | 0 | 1,114 | 28,723 |
| 2009-05-04 | 48 | 14,468 | 4,123 | 7,403 | 178 | -1,400 | 858 | 0 | 0 | 0 | 0 | 1,120 | 26,750 |