| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-19 | 1 | 20,539 | 13,220 | 7,072 | 439 | -1,142 | 95 | 0 | 0 | 0 | 0 | -1,822 | 38,401 |
| 2009-12-19 | 2 | 20,565 | 12,891 | 7,062 | 338 | -1,202 | 91 | 0 | 0 | 0 | 0 | -1,772 | 37,973 |
| 2009-12-19 | 3 | 20,423 | 12,658 | 7,062 | 472 | -1,568 | 79 | 0 | 0 | 0 | 0 | -1,770 | 37,356 |
| 2009-12-19 | 4 | 20,562 | 12,477 | 7,060 | 285 | -1,954 | 84 | 0 | 0 | 0 | 0 | -2,086 | 36,428 |
| 2009-12-19 | 5 | 20,464 | 12,139 | 7,052 | 240 | -2,120 | 88 | 0 | 0 | 0 | 0 | -2,126 | 35,737 |
| 2009-12-19 | 6 | 20,518 | 12,138 | 7,060 | 240 | -2,106 | 97 | 0 | 0 | 0 | 0 | -2,000 | 35,947 |
| 2009-12-19 | 7 | 20,786 | 11,790 | 7,054 | 239 | -2,382 | 102 | 0 | 0 | 0 | 0 | -2,110 | 35,479 |
| 2009-12-19 | 8 | 20,818 | 10,942 | 7,060 | 239 | -2,480 | 114 | 0 | 0 | 0 | 0 | -2,168 | 34,525 |
| 2009-12-19 | 9 | 20,642 | 10,478 | 7,057 | 238 | -2,522 | 128 | 0 | 0 | 0 | 0 | -2,170 | 33,851 |
| 2009-12-19 | 10 | 20,141 | 10,378 | 7,059 | 238 | -2,338 | 117 | 0 | 0 | 0 | 0 | -2,104 | 33,491 |
| 2009-12-19 | 11 | 19,488 | 10,730 | 7,059 | 281 | -2,428 | 136 | 0 | 0 | 0 | 0 | -1,982 | 33,284 |
| 2009-12-19 | 12 | 19,446 | 10,866 | 7,060 | 281 | -2,494 | 162 | 0 | 0 | 0 | 0 | -1,982 | 33,339 |
| 2009-12-19 | 13 | 19,923 | 11,294 | 7,041 | 282 | -2,392 | 170 | 0 | 0 | 0 | 0 | -1,982 | 34,336 |
| 2009-12-19 | 14 | 20,101 | 11,191 | 6,912 | 283 | -1,520 | 218 | 0 | 0 | 0 | 0 | -1,978 | 35,207 |
| 2009-12-19 | 15 | 20,206 | 11,523 | 6,848 | 299 | -532 | 284 | 0 | 0 | 0 | 0 | -2,206 | 36,422 |
| 2009-12-19 | 16 | 20,233 | 12,419 | 6,842 | 299 | -370 | 342 | 0 | 0 | 0 | 0 | -2,316 | 37,449 |
| 2009-12-19 | 17 | 20,635 | 13,341 | 6,842 | 299 | 152 | 377 | 0 | 0 | 0 | 0 | -2,190 | 39,456 |
| 2009-12-19 | 18 | 20,818 | 14,696 | 6,843 | 386 | 806 | 380 | 0 | 0 | 0 | 0 | -2,190 | 41,739 |
| 2009-12-19 | 19 | 21,046 | 15,769 | 6,836 | 608 | 1,402 | 398 | 0 | 0 | 0 | 0 | -2,204 | 43,855 |
| 2009-12-19 | 20 | 20,787 | 16,270 | 6,839 | 658 | 1,616 | 478 | 0 | 0 | 0 | 0 | -1,762 | 44,886 |
| 2009-12-19 | 21 | 20,706 | 16,782 | 6,845 | 660 | 1,728 | 524 | 0 | 0 | 0 | 0 | -1,688 | 45,557 |
| 2009-12-19 | 22 | 20,870 | 17,240 | 6,897 | 488 | 1,334 | 578 | 0 | 0 | 0 | 0 | -1,688 | 45,719 |
| 2009-12-19 | 23 | 20,730 | 17,468 | 7,015 | 412 | 1,198 | 626 | 0 | 0 | 0 | 0 | -1,688 | 45,761 |
| 2009-12-19 | 24 | 20,856 | 17,442 | 7,071 | 425 | 934 | 696 | 0 | 0 | 0 | 0 | -1,812 | 45,612 |
| 2009-12-19 | 25 | 21,145 | 17,533 | 7,086 | 426 | 678 | 764 | 0 | 0 | 0 | 0 | -2,208 | 45,424 |
| 2009-12-19 | 26 | 21,117 | 17,229 | 7,093 | 419 | 608 | 752 | 0 | 0 | 0 | 0 | -2,212 | 45,006 |
| 2009-12-19 | 27 | 21,194 | 17,077 | 7,094 | 347 | 598 | 757 | 0 | 0 | 0 | 0 | -2,302 | 44,765 |
| 2009-12-19 | 28 | 21,173 | 17,098 | 7,107 | 337 | 316 | 761 | 0 | 0 | 0 | 0 | -2,254 | 44,538 |
| 2009-12-19 | 29 | 20,914 | 17,218 | 7,106 | 337 | 352 | 829 | 0 | 0 | 0 | 0 | -2,190 | 44,566 |
| 2009-12-19 | 30 | 20,760 | 17,217 | 7,108 | 348 | 324 | 819 | 0 | 0 | 0 | 0 | -2,148 | 44,428 |
| 2009-12-19 | 31 | 21,006 | 16,769 | 7,104 | 418 | 320 | 755 | 0 | 0 | 0 | 0 | -1,614 | 44,758 |
| 2009-12-19 | 32 | 21,296 | 17,593 | 7,107 | 421 | 298 | 682 | 0 | 0 | 0 | 0 | -1,608 | 45,789 |
| 2009-12-19 | 33 | 21,601 | 19,253 | 7,100 | 494 | 610 | 631 | 0 | 0 | 0 | 0 | -1,342 | 48,347 |
| 2009-12-19 | 34 | 21,941 | 20,504 | 7,103 | 655 | 1,060 | 616 | 0 | 0 | 0 | 0 | -1,102 | 50,777 |
| 2009-12-19 | 35 | 22,103 | 20,677 | 7,100 | 770 | 2,040 | 494 | 17 | 0 | 0 | 0 | -1,142 | 52,059 |
| 2009-12-19 | 36 | 22,165 | 20,628 | 7,099 | 771 | 2,006 | 388 | 93 | 0 | 0 | 0 | -1,142 | 52,008 |
| 2009-12-19 | 37 | 22,167 | 20,323 | 7,098 | 771 | 1,614 | 384 | 75 | 0 | 0 | 0 | -1,142 | 51,290 |
| 2009-12-19 | 38 | 22,129 | 20,212 | 7,005 | 730 | 1,206 | 371 | 0 | 0 | 0 | 0 | -1,524 | 50,129 |
| 2009-12-19 | 39 | 21,939 | 19,975 | 6,894 | 520 | 1,028 | 299 | 0 | 0 | 0 | 0 | -1,980 | 48,675 |
| 2009-12-19 | 40 | 21,884 | 19,540 | 6,844 | 421 | 764 | 269 | 0 | 0 | 0 | 0 | -2,342 | 47,380 |
| 2009-12-19 | 41 | 21,935 | 18,635 | 6,845 | 400 | 444 | 275 | 0 | 0 | 0 | 0 | -2,392 | 46,142 |
| 2009-12-19 | 42 | 21,772 | 17,582 | 6,843 | 405 | 404 | 275 | 0 | 0 | 0 | 0 | -2,388 | 44,893 |
| 2009-12-19 | 43 | 21,314 | 16,394 | 6,849 | 353 | 308 | 277 | 0 | 0 | 0 | 0 | -2,370 | 43,125 |
| 2009-12-19 | 44 | 21,273 | 15,207 | 6,847 | 337 | 256 | 316 | 0 | 0 | 0 | 0 | -2,362 | 41,874 |
| 2009-12-19 | 45 | 21,031 | 14,044 | 6,853 | 314 | 146 | 324 | 0 | 0 | 0 | 0 | -2,312 | 40,400 |
| 2009-12-19 | 46 | 21,083 | 12,967 | 6,856 | 309 | 22 | 336 | 0 | 0 | 0 | 0 | -2,292 | 39,281 |
| 2009-12-19 | 47 | 20,828 | 12,050 | 6,888 | 265 | -226 | 316 | 0 | 0 | 0 | 0 | -2,284 | 37,837 |
| 2009-12-19 | 48 | 20,448 | 11,838 | 6,929 | 265 | -626 | 310 | 0 | 0 | 0 | 0 | -2,284 | 36,880 |