| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-12-18 | 1 | 20,486 | 12,063 | 7,186 | 331 | -1,380 | 251 | 0 | 0 | 0 | 0 | -1,774 | 37,163 |
| 2009-12-18 | 2 | 20,233 | 12,052 | 7,193 | 324 | -1,458 | 215 | 0 | 0 | 0 | 0 | -1,748 | 36,811 |
| 2009-12-18 | 3 | 20,372 | 11,484 | 7,184 | 251 | -1,556 | 213 | 0 | 0 | 0 | 0 | -1,644 | 36,304 |
| 2009-12-18 | 4 | 20,108 | 11,122 | 7,185 | 249 | -1,630 | 215 | 0 | 0 | 0 | 0 | -1,678 | 35,571 |
| 2009-12-18 | 5 | 19,901 | 10,884 | 7,181 | 247 | -1,628 | 224 | 0 | 0 | 0 | 0 | -1,604 | 35,205 |
| 2009-12-18 | 6 | 20,041 | 10,802 | 7,187 | 243 | -1,622 | 228 | 0 | 0 | 0 | 0 | -1,604 | 35,275 |
| 2009-12-18 | 7 | 19,852 | 10,754 | 7,180 | 243 | -1,668 | 235 | 0 | 0 | 0 | 0 | -1,722 | 34,874 |
| 2009-12-18 | 8 | 19,332 | 10,491 | 7,190 | 242 | -1,670 | 244 | 0 | 0 | 0 | 0 | -1,772 | 34,057 |
| 2009-12-18 | 9 | 19,307 | 10,014 | 7,185 | 242 | -1,660 | 229 | 0 | 0 | 0 | 0 | -1,478 | 33,839 |
| 2009-12-18 | 10 | 19,262 | 10,025 | 7,183 | 244 | -1,648 | 202 | 0 | 0 | 0 | 0 | -1,714 | 33,554 |
| 2009-12-18 | 11 | 19,219 | 10,265 | 7,183 | 278 | -1,652 | 186 | 0 | 0 | 0 | 0 | -1,584 | 33,895 |
| 2009-12-18 | 12 | 19,425 | 11,088 | 7,188 | 320 | -1,648 | 177 | 0 | 0 | 0 | 0 | -1,582 | 34,968 |
| 2009-12-18 | 13 | 20,861 | 12,188 | 7,184 | 319 | -1,298 | 165 | 0 | 0 | 0 | 0 | -1,582 | 37,837 |
| 2009-12-18 | 14 | 21,727 | 14,230 | 7,099 | 320 | -766 | 156 | 0 | 0 | 0 | 0 | -1,584 | 41,182 |
| 2009-12-18 | 15 | 22,251 | 16,725 | 7,062 | 320 | 250 | 162 | 0 | 0 | 0 | 0 | -1,692 | 45,078 |
| 2009-12-18 | 16 | 22,678 | 18,388 | 7,058 | 424 | 1,060 | 170 | 1 | 0 | 0 | 0 | -1,952 | 47,827 |
| 2009-12-18 | 17 | 22,923 | 19,077 | 7,063 | 621 | 1,254 | 150 | 153 | 0 | 0 | 0 | -1,990 | 49,251 |
| 2009-12-18 | 18 | 23,149 | 19,525 | 7,058 | 630 | 846 | 125 | 175 | 0 | 0 | 0 | -1,990 | 49,518 |
| 2009-12-18 | 19 | 23,373 | 19,778 | 7,058 | 670 | 1,436 | 111 | 133 | 0 | 0 | 0 | -1,990 | 50,569 |
| 2009-12-18 | 20 | 23,470 | 20,103 | 7,058 | 668 | 1,354 | 106 | 133 | 0 | 0 | 0 | -1,990 | 50,902 |
| 2009-12-18 | 21 | 23,634 | 20,351 | 7,057 | 644 | 1,072 | 90 | 18 | 0 | 0 | 0 | -1,724 | 51,142 |
| 2009-12-18 | 22 | 23,685 | 20,421 | 7,063 | 639 | 1,174 | 81 | 0 | 0 | 0 | 0 | -1,682 | 51,381 |
| 2009-12-18 | 23 | 23,608 | 20,407 | 7,067 | 699 | 1,124 | 77 | 0 | 0 | 0 | 0 | -1,680 | 51,302 |
| 2009-12-18 | 24 | 23,595 | 20,353 | 7,066 | 659 | 1,192 | 95 | 0 | 0 | 0 | 0 | -1,680 | 51,280 |
| 2009-12-18 | 25 | 23,581 | 20,328 | 7,071 | 661 | 1,132 | 81 | 0 | 0 | 0 | 0 | -1,680 | 51,174 |
| 2009-12-18 | 26 | 23,565 | 20,001 | 7,073 | 662 | 1,114 | 80 | 0 | 0 | 0 | 0 | -1,754 | 50,741 |
| 2009-12-18 | 27 | 23,814 | 20,133 | 7,070 | 655 | 748 | 85 | 0 | 0 | 0 | 0 | -1,996 | 50,509 |
| 2009-12-18 | 28 | 23,811 | 19,987 | 7,068 | 509 | 610 | 89 | 0 | 0 | 0 | 0 | -1,996 | 50,078 |
| 2009-12-18 | 29 | 23,885 | 20,004 | 7,063 | 413 | 608 | 93 | 0 | 0 | 0 | 0 | -1,996 | 50,070 |
| 2009-12-18 | 30 | 23,835 | 19,805 | 7,065 | 388 | 540 | 90 | 0 | 0 | 0 | 0 | -1,998 | 49,725 |
| 2009-12-18 | 31 | 23,895 | 19,824 | 7,067 | 360 | 420 | 92 | 0 | 0 | 0 | 0 | -1,996 | 49,662 |
| 2009-12-18 | 32 | 24,100 | 20,776 | 7,069 | 386 | 410 | 107 | 0 | 0 | 0 | 0 | -1,860 | 50,988 |
| 2009-12-18 | 33 | 24,152 | 20,933 | 7,062 | 527 | 748 | 118 | 0 | 0 | 0 | 0 | -166 | 53,374 |
| 2009-12-18 | 34 | 24,257 | 21,889 | 7,062 | 580 | 1,360 | 141 | 0 | 0 | 0 | 0 | 140 | 55,429 |
| 2009-12-18 | 35 | 24,279 | 22,139 | 7,065 | 585 | 1,696 | 137 | 0 | 0 | 0 | 0 | 242 | 56,143 |
| 2009-12-18 | 36 | 24,174 | 21,907 | 7,067 | 591 | 1,456 | 109 | 0 | 0 | 0 | 0 | 174 | 55,478 |
| 2009-12-18 | 37 | 24,163 | 21,832 | 7,059 | 572 | 1,306 | 97 | 0 | 0 | 0 | 0 | -336 | 54,693 |
| 2009-12-18 | 38 | 24,148 | 21,460 | 7,063 | 498 | 1,040 | 103 | 0 | 0 | 0 | 0 | -680 | 53,632 |
| 2009-12-18 | 39 | 23,982 | 21,944 | 7,063 | 452 | 966 | 89 | 0 | 0 | 0 | 0 | -2,218 | 52,278 |
| 2009-12-18 | 40 | 23,900 | 21,176 | 7,067 | 437 | 742 | 73 | 0 | 0 | 0 | 0 | -2,388 | 51,007 |
| 2009-12-18 | 41 | 23,732 | 19,964 | 7,068 | 441 | 720 | 86 | 0 | 0 | 0 | 0 | -2,498 | 49,513 |
| 2009-12-18 | 42 | 23,414 | 18,817 | 7,075 | 427 | 564 | 87 | 0 | 0 | 0 | 0 | -2,500 | 47,884 |
| 2009-12-18 | 43 | 23,097 | 17,464 | 7,066 | 375 | 654 | 111 | 0 | 0 | 0 | 0 | -2,500 | 46,267 |
| 2009-12-18 | 44 | 22,741 | 15,945 | 7,071 | 369 | 460 | 128 | 0 | 0 | 0 | 0 | -2,498 | 44,216 |
| 2009-12-18 | 45 | 22,557 | 14,515 | 7,068 | 352 | 118 | 128 | 0 | 0 | 0 | 0 | -2,496 | 42,242 |
| 2009-12-18 | 46 | 22,561 | 13,357 | 7,067 | 348 | -208 | 134 | 0 | 0 | 0 | 0 | -2,418 | 40,841 |
| 2009-12-18 | 47 | 21,541 | 13,051 | 7,067 | 325 | -858 | 120 | 0 | 0 | 0 | 0 | -2,276 | 38,970 |
| 2009-12-18 | 48 | 20,656 | 13,246 | 7,067 | 422 | -1,188 | 116 | 0 | 0 | 0 | 0 | -2,278 | 38,041 |