| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-20 | 1 | 20,636 | 12,023 | 7,068 | 263 | -760 | 327 | 0 | 0 | 0 | 0 | -2,280 | 37,277 |
| 2009-12-20 | 2 | 20,417 | 11,686 | 7,088 | 262 | -754 | 315 | 0 | 0 | 0 | 0 | -2,198 | 36,816 |
| 2009-12-20 | 3 | 20,282 | 11,658 | 7,085 | 240 | -1,438 | 308 | 0 | 0 | 0 | 0 | -2,090 | 36,045 |
| 2009-12-20 | 4 | 20,032 | 11,095 | 7,082 | 240 | -1,716 | 299 | 0 | 0 | 0 | 0 | -2,090 | 34,942 |
| 2009-12-20 | 5 | 19,872 | 10,639 | 7,080 | 221 | -1,706 | 307 | 0 | 0 | 0 | 0 | -2,088 | 34,325 |
| 2009-12-20 | 6 | 19,947 | 10,712 | 7,081 | 220 | -1,720 | 328 | 0 | 0 | 0 | 0 | -2,090 | 34,478 |
| 2009-12-20 | 7 | 19,933 | 10,787 | 7,084 | 217 | -2,068 | 331 | 0 | 0 | 0 | 0 | -2,206 | 34,078 |
| 2009-12-20 | 8 | 19,597 | 10,348 | 7,098 | 216 | -2,156 | 337 | 0 | 0 | 0 | 0 | -2,262 | 33,178 |
| 2009-12-20 | 9 | 19,082 | 9,935 | 7,093 | 231 | -2,150 | 308 | 0 | 0 | 0 | 0 | -2,216 | 32,283 |
| 2009-12-20 | 10 | 19,044 | 9,418 | 7,090 | 236 | -2,144 | 340 | 0 | 0 | 0 | 0 | -2,166 | 31,818 |
| 2009-12-20 | 11 | 19,054 | 9,092 | 7,088 | 265 | -2,396 | 369 | 0 | 0 | 0 | 0 | -2,094 | 31,378 |
| 2009-12-20 | 12 | 18,950 | 9,037 | 7,093 | 264 | -2,428 | 419 | 0 | 0 | 0 | 0 | -2,094 | 31,241 |
| 2009-12-20 | 13 | 18,974 | 9,360 | 7,089 | 264 | -2,296 | 408 | 0 | 0 | 0 | 0 | -2,094 | 31,705 |
| 2009-12-20 | 14 | 19,353 | 9,485 | 7,063 | 266 | -2,268 | 386 | 0 | 0 | 0 | 0 | -2,094 | 32,191 |
| 2009-12-20 | 15 | 19,858 | 9,665 | 6,901 | 299 | -2,256 | 364 | 0 | 0 | 0 | 0 | -2,206 | 32,625 |
| 2009-12-20 | 16 | 19,839 | 10,100 | 6,830 | 298 | -2,062 | 387 | 0 | 0 | 0 | 0 | -2,270 | 33,122 |
| 2009-12-20 | 17 | 19,822 | 10,986 | 6,834 | 298 | -1,680 | 379 | 0 | 0 | 0 | 0 | -2,142 | 34,497 |
| 2009-12-20 | 18 | 20,265 | 12,019 | 6,827 | 306 | -926 | 324 | 0 | 0 | 0 | 0 | -2,144 | 36,671 |
| 2009-12-20 | 19 | 20,649 | 12,989 | 6,833 | 364 | 106 | 326 | 0 | 0 | 0 | 0 | -2,142 | 39,125 |
| 2009-12-20 | 20 | 20,924 | 14,364 | 6,843 | 374 | 162 | 331 | 0 | 0 | 0 | 0 | -2,144 | 40,854 |
| 2009-12-20 | 21 | 21,270 | 15,487 | 6,837 | 383 | 334 | 325 | 0 | 0 | 0 | 0 | -2,142 | 42,494 |
| 2009-12-20 | 22 | 21,246 | 16,261 | 6,903 | 398 | 294 | 343 | 0 | 0 | 0 | 0 | -2,132 | 43,313 |
| 2009-12-20 | 23 | 21,076 | 16,784 | 7,007 | 455 | 366 | 353 | 0 | 0 | 0 | 0 | -2,064 | 43,977 |
| 2009-12-20 | 24 | 21,135 | 16,905 | 7,083 | 455 | 508 | 292 | 0 | 0 | 0 | 0 | -2,098 | 44,280 |
| 2009-12-20 | 25 | 21,366 | 16,883 | 7,086 | 456 | 720 | 282 | 0 | 0 | 0 | 0 | -2,138 | 44,655 |
| 2009-12-20 | 26 | 21,449 | 16,791 | 7,089 | 446 | 668 | 310 | 0 | 0 | 0 | 0 | -2,164 | 44,589 |
| 2009-12-20 | 27 | 21,372 | 16,853 | 7,086 | 354 | 566 | 381 | 0 | 0 | 0 | 0 | -2,274 | 44,338 |
| 2009-12-20 | 28 | 21,054 | 16,738 | 7,092 | 353 | 532 | 419 | 0 | 0 | 0 | 0 | -2,306 | 43,882 |
| 2009-12-20 | 29 | 21,007 | 16,697 | 7,084 | 336 | 584 | 472 | 0 | 0 | 0 | 0 | -2,306 | 43,874 |
| 2009-12-20 | 30 | 20,935 | 16,928 | 7,086 | 344 | 396 | 402 | 0 | 0 | 0 | 0 | -2,268 | 43,823 |
| 2009-12-20 | 31 | 20,677 | 16,404 | 7,102 | 471 | 312 | 427 | 0 | 0 | 0 | 0 | -1,174 | 44,219 |
| 2009-12-20 | 32 | 21,086 | 16,880 | 7,094 | 478 | 418 | 388 | 0 | 0 | 0 | 0 | -1,044 | 45,300 |
| 2009-12-20 | 33 | 21,861 | 18,432 | 7,096 | 481 | 430 | 356 | 0 | 0 | 0 | 0 | -844 | 47,812 |
| 2009-12-20 | 34 | 22,288 | 19,302 | 7,089 | 523 | 1,362 | 364 | 0 | 0 | 0 | 0 | -840 | 50,088 |
| 2009-12-20 | 35 | 22,391 | 19,457 | 7,086 | 567 | 1,884 | 390 | 0 | 0 | 0 | 0 | -790 | 50,985 |
| 2009-12-20 | 36 | 22,344 | 19,429 | 7,087 | 570 | 1,710 | 393 | 0 | 0 | 0 | 0 | -788 | 50,745 |
| 2009-12-20 | 37 | 21,885 | 19,522 | 6,993 | 572 | 1,604 | 395 | 0 | 0 | 0 | 0 | -1,048 | 49,923 |
| 2009-12-20 | 38 | 21,804 | 19,393 | 6,884 | 565 | 1,142 | 333 | 0 | 0 | 0 | 0 | -1,150 | 48,971 |
| 2009-12-20 | 39 | 21,473 | 19,630 | 6,838 | 432 | 1,442 | 401 | 0 | 0 | 0 | 0 | -2,160 | 48,056 |
| 2009-12-20 | 40 | 21,420 | 19,339 | 6,828 | 429 | 1,108 | 324 | 0 | 0 | 0 | 0 | -2,328 | 47,120 |
| 2009-12-20 | 41 | 21,356 | 18,688 | 6,828 | 428 | 1,220 | 294 | 0 | 0 | 0 | 0 | -2,326 | 46,488 |
| 2009-12-20 | 42 | 21,301 | 17,485 | 6,831 | 411 | 1,030 | 313 | 0 | 0 | 0 | 0 | -2,326 | 45,045 |
| 2009-12-20 | 43 | 20,788 | 17,128 | 6,836 | 386 | 718 | 404 | 0 | 0 | 0 | 0 | -2,326 | 43,934 |
| 2009-12-20 | 44 | 20,448 | 15,773 | 6,853 | 365 | 202 | 516 | 0 | 0 | 0 | 0 | -2,326 | 41,831 |
| 2009-12-20 | 45 | 20,130 | 14,457 | 6,931 | 332 | 182 | 551 | 0 | 0 | 0 | 0 | -2,322 | 40,261 |
| 2009-12-20 | 46 | 19,963 | 13,241 | 7,074 | 317 | 272 | 574 | 0 | 0 | 0 | 0 | -2,302 | 39,139 |
| 2009-12-20 | 47 | 19,839 | 11,857 | 7,101 | 256 | -804 | 576 | 0 | 0 | 0 | 0 | -1,866 | 36,959 |
| 2009-12-20 | 48 | 19,497 | 11,581 | 7,093 | 254 | -1,760 | 627 | 0 | 0 | 0 | 0 | -1,852 | 35,440 |