| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-28 | 1 | 18,179 | 7,523 | 7,885 | 100 | -48 | 31 | 0 | 0 | 0 | 0 | 552 | 34,222 |
| 2009-12-28 | 2 | 18,126 | 7,717 | 7,892 | 100 | -362 | 31 | 0 | 0 | 0 | 0 | 552 | 34,056 |
| 2009-12-28 | 3 | 18,046 | 7,279 | 7,894 | 100 | -820 | 27 | 0 | 0 | 0 | 0 | 944 | 33,470 |
| 2009-12-28 | 4 | 17,848 | 6,985 | 7,892 | 100 | -1,098 | 22 | 0 | 0 | 0 | 0 | 948 | 32,697 |
| 2009-12-28 | 5 | 17,660 | 6,685 | 7,890 | 100 | -1,186 | 22 | 0 | 0 | 0 | 0 | 946 | 32,117 |
| 2009-12-28 | 6 | 17,737 | 6,831 | 7,896 | 100 | -1,266 | 25 | 0 | 0 | 0 | 0 | 950 | 32,273 |
| 2009-12-28 | 7 | 17,803 | 6,940 | 7,887 | 100 | -1,696 | 32 | 0 | 0 | 0 | 0 | 786 | 31,852 |
| 2009-12-28 | 8 | 17,530 | 6,773 | 7,899 | 100 | -1,932 | 27 | 0 | 0 | 0 | 0 | 786 | 31,183 |
| 2009-12-28 | 9 | 17,198 | 6,610 | 7,892 | 100 | -2,092 | 28 | 0 | 0 | 0 | 0 | 736 | 30,472 |
| 2009-12-28 | 10 | 16,952 | 6,512 | 7,902 | 100 | -2,096 | 32 | 0 | 0 | 0 | 0 | 790 | 30,192 |
| 2009-12-28 | 11 | 16,825 | 6,671 | 7,895 | 102 | -1,956 | 35 | 0 | 0 | 0 | 0 | 406 | 29,978 |
| 2009-12-28 | 12 | 16,894 | 6,704 | 7,901 | 104 | -1,966 | 36 | 0 | 0 | 0 | 0 | 408 | 30,081 |
| 2009-12-28 | 13 | 17,680 | 6,770 | 7,892 | 119 | -1,580 | 33 | 0 | 0 | 0 | 0 | 104 | 31,018 |
| 2009-12-28 | 14 | 17,962 | 6,795 | 7,894 | 122 | -1,306 | 30 | 0 | 0 | 0 | 0 | 76 | 31,573 |
| 2009-12-28 | 15 | 18,511 | 7,342 | 7,895 | 177 | -832 | 33 | 0 | 0 | 0 | 0 | -1,090 | 32,036 |
| 2009-12-28 | 16 | 18,654 | 7,782 | 7,892 | 203 | -768 | 32 | 0 | 0 | 0 | 0 | -1,286 | 32,509 |
| 2009-12-28 | 17 | 18,771 | 8,521 | 7,890 | 203 | -638 | 34 | 0 | 0 | 0 | 0 | -1,166 | 33,615 |
| 2009-12-28 | 18 | 18,942 | 9,810 | 7,888 | 218 | -216 | 25 | 0 | 0 | 0 | 0 | -1,218 | 35,449 |
| 2009-12-28 | 19 | 19,181 | 11,314 | 7,884 | 251 | 230 | 25 | 0 | 0 | 0 | 0 | -1,314 | 37,571 |
| 2009-12-28 | 20 | 19,182 | 12,594 | 7,883 | 253 | 550 | 26 | 0 | 0 | 0 | 0 | -1,336 | 39,152 |
| 2009-12-28 | 21 | 19,425 | 13,422 | 7,880 | 262 | 774 | 29 | 0 | 0 | 0 | 0 | -1,156 | 40,636 |
| 2009-12-28 | 22 | 19,376 | 13,802 | 7,880 | 259 | 646 | 31 | 0 | 0 | 0 | 0 | -844 | 41,150 |
| 2009-12-28 | 23 | 19,338 | 14,067 | 7,881 | 303 | 652 | 31 | 0 | 0 | 0 | 0 | -864 | 41,408 |
| 2009-12-28 | 24 | 19,301 | 14,119 | 7,884 | 292 | 746 | 28 | 0 | 0 | 0 | 0 | -864 | 41,506 |
| 2009-12-28 | 25 | 19,302 | 14,269 | 7,881 | 291 | 852 | 31 | 0 | 0 | 0 | 0 | -864 | 41,762 |
| 2009-12-28 | 26 | 19,275 | 14,120 | 7,896 | 291 | 792 | 31 | 0 | 0 | 0 | 0 | -956 | 41,449 |
| 2009-12-28 | 27 | 19,374 | 14,234 | 7,889 | 277 | 812 | 32 | 0 | 0 | 0 | 0 | -1,446 | 41,172 |
| 2009-12-28 | 28 | 19,360 | 14,153 | 7,894 | 229 | 770 | 34 | 0 | 0 | 0 | 0 | -1,444 | 40,996 |
| 2009-12-28 | 29 | 19,362 | 14,022 | 7,892 | 238 | 944 | 32 | 0 | 0 | 0 | 0 | -1,410 | 41,080 |
| 2009-12-28 | 30 | 19,451 | 14,014 | 7,890 | 238 | 806 | 37 | 0 | 0 | 0 | 0 | -1,436 | 41,000 |
| 2009-12-28 | 31 | 19,253 | 14,199 | 7,894 | 245 | 534 | 39 | 0 | 0 | 0 | 0 | -528 | 41,636 |
| 2009-12-28 | 32 | 19,587 | 14,980 | 7,899 | 258 | 400 | 39 | 0 | 0 | 0 | 0 | -440 | 42,723 |
| 2009-12-28 | 33 | 20,473 | 15,848 | 7,889 | 349 | 1,040 | 37 | 0 | 0 | 0 | 0 | -320 | 45,316 |
| 2009-12-28 | 34 | 20,796 | 16,383 | 7,895 | 654 | 2,054 | 46 | 22 | 0 | 0 | 0 | -72 | 47,778 |
| 2009-12-28 | 35 | 20,840 | 16,673 | 7,900 | 683 | 2,296 | 55 | 184 | 0 | 0 | 0 | 230 | 48,861 |
| 2009-12-28 | 36 | 20,797 | 16,771 | 7,909 | 654 | 2,040 | 48 | 371 | 0 | 0 | 0 | 242 | 48,832 |
| 2009-12-28 | 37 | 20,820 | 16,658 | 7,914 | 439 | 1,922 | 39 | 253 | 0 | 0 | 0 | 108 | 48,153 |
| 2009-12-28 | 38 | 20,784 | 16,558 | 7,953 | 380 | 1,812 | 41 | 0 | 0 | 0 | 0 | 168 | 47,696 |
| 2009-12-28 | 39 | 20,743 | 16,568 | 7,984 | 282 | 1,010 | 51 | 0 | 0 | 0 | 0 | 80 | 46,718 |
| 2009-12-28 | 40 | 20,406 | 15,913 | 7,977 | 272 | 738 | 62 | 0 | 0 | 0 | 0 | -164 | 45,204 |
| 2009-12-28 | 41 | 20,478 | 15,160 | 7,969 | 285 | 606 | 55 | 0 | 0 | 0 | 0 | -328 | 44,225 |
| 2009-12-28 | 42 | 20,122 | 14,432 | 7,978 | 240 | 502 | 62 | 0 | 0 | 0 | 0 | -324 | 43,012 |
| 2009-12-28 | 43 | 19,511 | 14,004 | 7,966 | 187 | 448 | 80 | 0 | 0 | 0 | 0 | -308 | 41,888 |
| 2009-12-28 | 44 | 19,140 | 13,017 | 7,939 | 180 | 30 | 91 | 0 | 0 | 0 | 0 | -306 | 40,091 |
| 2009-12-28 | 45 | 18,431 | 12,074 | 7,945 | 179 | -14 | 91 | 0 | 0 | 0 | 0 | -308 | 38,398 |
| 2009-12-28 | 46 | 17,845 | 11,660 | 7,938 | 175 | -138 | 109 | 0 | 0 | 0 | 0 | -308 | 37,281 |
| 2009-12-28 | 47 | 17,526 | 10,313 | 7,936 | 131 | -972 | 129 | 0 | 0 | 0 | 0 | 414 | 35,477 |
| 2009-12-28 | 48 | 17,203 | 9,747 | 7,938 | 115 | -1,452 | 157 | 0 | 0 | 0 | 0 | 424 | 34,132 |