| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-15 | 1 | 20,698 | 11,002 | 7,203 | 390 | -1,812 | 363 | 0 | 0 | 0 | 0 | -2,276 | 35,568 |
| 2009-12-15 | 2 | 20,875 | 10,515 | 7,200 | 381 | -1,806 | 412 | 0 | 0 | 0 | 0 | -2,274 | 35,303 |
| 2009-12-15 | 3 | 20,886 | 10,589 | 7,200 | 287 | -2,020 | 444 | 0 | 0 | 0 | 0 | -2,284 | 35,102 |
| 2009-12-15 | 4 | 20,725 | 10,114 | 7,205 | 288 | -2,190 | 419 | 0 | 0 | 0 | 0 | -2,284 | 34,277 |
| 2009-12-15 | 5 | 20,590 | 9,850 | 7,205 | 287 | -2,416 | 471 | 0 | 0 | 0 | 0 | -2,198 | 33,789 |
| 2009-12-15 | 6 | 20,656 | 9,816 | 7,202 | 280 | -2,410 | 469 | 0 | 0 | 0 | 0 | -2,198 | 33,815 |
| 2009-12-15 | 7 | 20,549 | 9,260 | 7,200 | 244 | -2,392 | 534 | 0 | 0 | 0 | 0 | -2,220 | 33,175 |
| 2009-12-15 | 8 | 20,046 | 9,000 | 7,209 | 244 | -2,376 | 535 | 0 | 0 | 0 | 0 | -2,216 | 32,442 |
| 2009-12-15 | 9 | 19,757 | 8,799 | 7,210 | 244 | -2,360 | 509 | 0 | 0 | 0 | 0 | -2,264 | 31,895 |
| 2009-12-15 | 10 | 19,699 | 8,662 | 7,213 | 251 | -2,356 | 463 | 0 | 0 | 0 | 0 | -2,218 | 31,714 |
| 2009-12-15 | 11 | 19,823 | 8,763 | 7,208 | 318 | -2,332 | 469 | 0 | 0 | 0 | 0 | -2,094 | 32,155 |
| 2009-12-15 | 12 | 19,946 | 9,823 | 7,212 | 317 | -2,208 | 469 | 0 | 0 | 0 | 0 | -2,112 | 33,447 |
| 2009-12-15 | 13 | 20,816 | 11,645 | 7,206 | 324 | -1,830 | 476 | 0 | 0 | 0 | 0 | -2,094 | 36,543 |
| 2009-12-15 | 14 | 21,747 | 13,475 | 7,206 | 349 | -978 | 502 | 0 | 1 | 0 | 0 | -2,094 | 40,208 |
| 2009-12-15 | 15 | 22,383 | 15,972 | 7,207 | 448 | 444 | 524 | 0 | 50 | 0 | 0 | -2,226 | 44,802 |
| 2009-12-15 | 16 | 22,720 | 18,569 | 7,209 | 447 | 428 | 492 | 0 | 96 | 0 | 0 | -2,426 | 47,535 |
| 2009-12-15 | 17 | 22,794 | 19,684 | 7,211 | 434 | 312 | 439 | 0 | 143 | 0 | 0 | -2,480 | 48,537 |
| 2009-12-15 | 18 | 22,843 | 19,480 | 7,209 | 432 | 356 | 439 | 0 | 187 | 0 | 0 | -2,478 | 48,468 |
| 2009-12-15 | 19 | 22,851 | 20,027 | 7,206 | 477 | 364 | 428 | 0 | 273 | 0 | 0 | -2,430 | 49,196 |
| 2009-12-15 | 20 | 22,724 | 20,207 | 7,204 | 482 | 430 | 481 | 0 | 379 | 0 | 0 | -2,430 | 49,477 |
| 2009-12-15 | 21 | 18,975 | 16,709 | 6,004 | 414 | 378 | 427 | 0 | 378 | 0 | 0 | -2,026 | 41,259 |
| 2009-12-15 | 22 | 22,935 | 19,737 | 7,203 | 518 | 730 | 457 | 0 | 408 | 0 | 0 | -2,432 | 49,556 |
| 2009-12-15 | 23 | 22,983 | 20,000 | 7,202 | 538 | 682 | 416 | 0 | 360 | 0 | 0 | -2,342 | 49,839 |
| 2009-12-15 | 24 | 23,046 | 20,176 | 7,204 | 538 | 648 | 383 | 0 | 470 | 0 | 0 | -2,348 | 50,117 |
| 2009-12-15 | 25 | 23,312 | 20,174 | 7,205 | 529 | 376 | 361 | 0 | 563 | 0 | 0 | -2,350 | 50,170 |
| 2009-12-15 | 26 | 23,540 | 19,714 | 7,202 | 519 | 302 | 329 | 0 | 745 | 0 | 0 | -2,348 | 50,003 |
| 2009-12-15 | 27 | 23,629 | 19,689 | 7,202 | 453 | 322 | 335 | 0 | 844 | 0 | 0 | -2,476 | 49,998 |
| 2009-12-15 | 28 | 23,663 | 19,366 | 7,202 | 456 | 336 | 350 | 5 | 952 | 0 | 0 | -2,480 | 49,850 |
| 2009-12-15 | 29 | 23,685 | 19,489 | 7,197 | 438 | 384 | 366 | 27 | 1,019 | 0 | 0 | -2,478 | 50,127 |
| 2009-12-15 | 30 | 23,698 | 19,663 | 7,203 | 440 | 296 | 374 | 11 | 929 | 0 | 0 | -2,446 | 50,168 |
| 2009-12-15 | 31 | 23,483 | 20,038 | 7,208 | 506 | 296 | 384 | 0 | 749 | 0 | 0 | -2,328 | 50,336 |
| 2009-12-15 | 32 | 23,698 | 21,478 | 7,208 | 596 | 454 | 392 | 0 | 338 | 0 | 0 | -2,256 | 51,908 |
| 2009-12-15 | 33 | 23,845 | 22,867 | 7,211 | 624 | 672 | 365 | 0 | 0 | 0 | 0 | -970 | 54,614 |
| 2009-12-15 | 34 | 23,699 | 22,954 | 7,209 | 644 | 1,602 | 387 | 0 | 0 | 0 | 0 | -640 | 55,855 |
| 2009-12-15 | 35 | 23,762 | 22,767 | 7,210 | 654 | 1,928 | 360 | 0 | 0 | 0 | 0 | -182 | 56,499 |
| 2009-12-15 | 36 | 23,724 | 22,751 | 7,205 | 654 | 1,648 | 365 | 0 | 0 | 0 | 0 | -124 | 56,223 |
| 2009-12-15 | 37 | 23,759 | 22,881 | 7,212 | 655 | 1,376 | 382 | 0 | 0 | 0 | 0 | -622 | 55,643 |
| 2009-12-15 | 38 | 23,645 | 22,552 | 7,217 | 650 | 1,166 | 389 | 0 | 0 | 0 | 0 | -860 | 54,759 |
| 2009-12-15 | 39 | 23,665 | 22,681 | 7,187 | 574 | 1,314 | 405 | 0 | 0 | 0 | 0 | -2,232 | 53,594 |
| 2009-12-15 | 40 | 23,664 | 22,003 | 7,159 | 564 | 802 | 419 | 0 | 0 | 0 | 0 | -2,370 | 52,241 |
| 2009-12-15 | 41 | 23,602 | 20,972 | 7,153 | 536 | 1,068 | 413 | 0 | 0 | 0 | 0 | -2,478 | 51,266 |
| 2009-12-15 | 42 | 23,493 | 19,615 | 7,157 | 532 | 814 | 394 | 0 | 0 | 0 | 0 | -2,484 | 49,521 |
| 2009-12-15 | 43 | 22,884 | 18,645 | 7,160 | 466 | 734 | 404 | 0 | 0 | 0 | 0 | -2,482 | 47,811 |
| 2009-12-15 | 44 | 22,240 | 17,193 | 7,160 | 449 | 158 | 404 | 0 | 0 | 0 | 0 | -2,480 | 45,124 |
| 2009-12-15 | 45 | 22,273 | 14,899 | 7,154 | 425 | 134 | 395 | 0 | 0 | 0 | 0 | -2,480 | 42,800 |
| 2009-12-15 | 46 | 21,474 | 13,446 | 7,151 | 418 | 188 | 394 | 0 | 0 | 0 | 0 | -2,462 | 40,609 |
| 2009-12-15 | 47 | 20,766 | 12,439 | 7,156 | 378 | -794 | 407 | 0 | 0 | 0 | 0 | -2,368 | 37,984 |
| 2009-12-15 | 48 | 20,323 | 11,949 | 7,151 | 376 | -1,532 | 416 | 0 | 0 | 0 | 0 | -2,350 | 36,333 |