| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-12 | 1 | 20,159 | 9,760 | 7,135 | 370 | -1,336 | 74 | 0 | 0 | 0 | 0 | -648 | 35,514 |
| 2009-12-12 | 2 | 19,969 | 9,757 | 7,130 | 371 | -1,338 | 79 | 0 | 0 | 0 | 0 | -718 | 35,250 |
| 2009-12-12 | 3 | 19,813 | 9,202 | 7,142 | 332 | -1,332 | 75 | 0 | 0 | 0 | 0 | -742 | 34,490 |
| 2009-12-12 | 4 | 19,686 | 7,880 | 7,138 | 332 | -1,412 | 81 | 0 | 0 | 0 | 0 | -346 | 33,359 |
| 2009-12-12 | 5 | 19,729 | 7,486 | 7,140 | 332 | -1,498 | 74 | 0 | 0 | 0 | 0 | -712 | 32,551 |
| 2009-12-12 | 6 | 19,685 | 7,066 | 7,136 | 327 | -1,556 | 71 | 0 | 0 | 0 | 0 | -346 | 32,383 |
| 2009-12-12 | 7 | 19,604 | 6,897 | 7,150 | 310 | -1,924 | 65 | 0 | 0 | 0 | 0 | -346 | 31,756 |
| 2009-12-12 | 8 | 19,111 | 6,506 | 7,152 | 312 | -2,116 | 62 | 0 | 0 | 0 | 0 | -346 | 30,681 |
| 2009-12-12 | 9 | 18,887 | 6,133 | 7,153 | 311 | -2,096 | 64 | 0 | 0 | 0 | 0 | -562 | 29,890 |
| 2009-12-12 | 10 | 18,848 | 5,965 | 7,154 | 310 | -2,084 | 73 | 0 | 0 | 0 | 0 | -562 | 29,704 |
| 2009-12-12 | 11 | 18,547 | 5,840 | 7,160 | 310 | -2,090 | 65 | 0 | 0 | 0 | 0 | -362 | 29,470 |
| 2009-12-12 | 12 | 18,391 | 6,028 | 7,153 | 311 | -1,866 | 64 | 0 | 0 | 0 | 0 | -358 | 29,723 |
| 2009-12-12 | 13 | 19,017 | 6,319 | 7,159 | 311 | -1,510 | 66 | 0 | 0 | 0 | 0 | -360 | 31,002 |
| 2009-12-12 | 14 | 19,254 | 6,708 | 7,171 | 327 | -996 | 66 | 0 | 0 | 0 | 0 | -476 | 32,054 |
| 2009-12-12 | 15 | 20,018 | 8,267 | 7,169 | 420 | -118 | 59 | 0 | 0 | 0 | 0 | -1,998 | 33,817 |
| 2009-12-12 | 16 | 20,199 | 9,630 | 7,167 | 421 | 36 | 57 | 0 | 0 | 0 | 0 | -2,228 | 35,282 |
| 2009-12-12 | 17 | 20,610 | 10,357 | 7,177 | 458 | 152 | 58 | 0 | 0 | 0 | 0 | -1,764 | 37,048 |
| 2009-12-12 | 18 | 21,103 | 11,458 | 7,169 | 462 | 310 | 62 | 0 | 0 | 0 | 0 | -1,680 | 38,884 |
| 2009-12-12 | 19 | 21,489 | 11,964 | 7,167 | 524 | 308 | 74 | 0 | 0 | 0 | 0 | -1,042 | 40,484 |
| 2009-12-12 | 20 | 21,977 | 12,134 | 7,171 | 530 | 512 | 83 | 0 | 0 | 0 | 0 | -1,164 | 41,243 |
| 2009-12-12 | 21 | 22,231 | 12,154 | 7,169 | 510 | 750 | 90 | 0 | 0 | 0 | 0 | -1,176 | 41,728 |
| 2009-12-12 | 22 | 22,245 | 12,162 | 7,176 | 524 | 886 | 89 | 0 | 0 | 0 | 0 | -1,176 | 41,906 |
| 2009-12-12 | 23 | 22,361 | 12,294 | 7,168 | 537 | 660 | 90 | 0 | 0 | 0 | 0 | -1,176 | 41,934 |
| 2009-12-12 | 24 | 22,341 | 12,122 | 7,176 | 537 | 808 | 77 | 0 | 0 | 0 | 0 | -1,176 | 41,885 |
| 2009-12-12 | 25 | 22,327 | 12,245 | 7,169 | 537 | 662 | 78 | 0 | 0 | 0 | 0 | -1,202 | 41,816 |
| 2009-12-12 | 26 | 21,988 | 12,512 | 7,178 | 530 | 380 | 84 | 0 | 0 | 0 | 0 | -1,252 | 41,420 |
| 2009-12-12 | 27 | 21,505 | 12,915 | 7,172 | 498 | 426 | 87 | 0 | 0 | 0 | 0 | -1,284 | 41,319 |
| 2009-12-12 | 28 | 21,087 | 12,959 | 7,178 | 493 | 302 | 75 | 0 | 0 | 0 | 0 | -1,268 | 40,826 |
| 2009-12-12 | 29 | 21,168 | 12,784 | 7,169 | 460 | 402 | 61 | 0 | 0 | 0 | 0 | -1,268 | 40,776 |
| 2009-12-12 | 30 | 21,150 | 12,679 | 7,171 | 470 | 302 | 53 | 0 | 0 | 0 | 0 | -1,268 | 40,557 |
| 2009-12-12 | 31 | 21,052 | 12,787 | 7,166 | 510 | 314 | 49 | 0 | 0 | 0 | 0 | -804 | 41,074 |
| 2009-12-12 | 32 | 21,089 | 13,697 | 7,170 | 512 | 372 | 51 | 0 | 0 | 0 | 0 | -700 | 42,191 |
| 2009-12-12 | 33 | 21,569 | 15,597 | 7,161 | 651 | 972 | 53 | 0 | 0 | 0 | 0 | -700 | 45,303 |
| 2009-12-12 | 34 | 21,739 | 16,898 | 7,162 | 845 | 1,910 | 59 | 0 | 0 | 0 | 0 | -680 | 47,933 |
| 2009-12-12 | 35 | 21,831 | 17,397 | 7,164 | 866 | 2,194 | 66 | 0 | 0 | 0 | 0 | -286 | 49,232 |
| 2009-12-12 | 36 | 21,867 | 17,330 | 7,169 | 879 | 2,358 | 56 | 42 | 0 | 0 | 0 | -234 | 49,467 |
| 2009-12-12 | 37 | 21,808 | 17,278 | 7,182 | 872 | 2,020 | 52 | 225 | 0 | 0 | 0 | -678 | 48,759 |
| 2009-12-12 | 38 | 21,648 | 16,932 | 7,178 | 836 | 1,544 | 44 | 75 | 0 | 0 | 0 | -686 | 47,571 |
| 2009-12-12 | 39 | 21,618 | 16,493 | 7,176 | 721 | 1,510 | 37 | 0 | 0 | 0 | 0 | -1,284 | 46,271 |
| 2009-12-12 | 40 | 21,434 | 15,521 | 7,180 | 716 | 1,128 | 31 | 0 | 0 | 0 | 0 | -1,288 | 44,722 |
| 2009-12-12 | 41 | 21,471 | 14,353 | 7,178 | 670 | 974 | 29 | 0 | 0 | 0 | 0 | -1,288 | 43,387 |
| 2009-12-12 | 42 | 21,250 | 13,374 | 7,182 | 630 | 386 | 30 | 0 | 0 | 0 | 0 | -1,288 | 41,564 |
| 2009-12-12 | 43 | 21,089 | 12,724 | 7,182 | 573 | 644 | 31 | 0 | 0 | 0 | 0 | -1,666 | 40,577 |
| 2009-12-12 | 44 | 20,772 | 12,404 | 7,183 | 433 | 308 | 31 | 0 | 0 | 0 | 0 | -1,652 | 39,479 |
| 2009-12-12 | 45 | 20,496 | 11,672 | 7,183 | 415 | -28 | 31 | 0 | 0 | 0 | 0 | -1,652 | 38,117 |
| 2009-12-12 | 46 | 20,228 | 11,085 | 7,188 | 412 | -374 | 28 | 0 | 0 | 0 | 0 | -1,646 | 36,921 |
| 2009-12-12 | 47 | 19,808 | 9,566 | 7,180 | 387 | -734 | 27 | 0 | 0 | 0 | 0 | -758 | 35,476 |
| 2009-12-12 | 48 | 19,593 | 9,000 | 7,175 | 387 | -966 | 26 | 0 | 0 | 0 | 0 | -750 | 34,465 |