| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-05-18 | 1 | 13,712 | 5,327 | 6,076 | 164 | -1,834 | 210 | 0 | 0 | 0 | 0 | 1,938 | 25,593 |
| 2009-05-18 | 2 | 13,615 | 4,945 | 6,075 | 162 | -2,006 | 194 | 0 | 0 | 0 | 0 | 1,938 | 24,923 |
| 2009-05-18 | 3 | 13,727 | 5,168 | 6,080 | 138 | -1,926 | 183 | 0 | 0 | 0 | 0 | 1,938 | 25,308 |
| 2009-05-18 | 4 | 13,625 | 5,588 | 6,099 | 138 | -1,940 | 194 | 0 | 0 | 0 | 0 | 1,938 | 25,642 |
| 2009-05-18 | 5 | 13,290 | 5,644 | 6,143 | 138 | -1,942 | 174 | 0 | 0 | 0 | 0 | 1,938 | 25,385 |
| 2009-05-18 | 6 | 13,148 | 5,513 | 6,172 | 138 | -2,104 | 164 | 0 | 0 | 0 | 0 | 1,938 | 24,969 |
| 2009-05-18 | 7 | 12,941 | 5,315 | 6,168 | 136 | -2,098 | 175 | 0 | 0 | 0 | 0 | 1,938 | 24,575 |
| 2009-05-18 | 8 | 12,887 | 5,312 | 6,101 | 83 | -1,944 | 164 | 0 | 0 | 0 | 0 | 1,812 | 24,415 |
| 2009-05-18 | 9 | 12,789 | 5,350 | 5,947 | 84 | -1,970 | 171 | 0 | 0 | 0 | 0 | 1,748 | 24,119 |
| 2009-05-18 | 10 | 12,611 | 5,238 | 5,947 | 85 | -1,962 | 150 | 0 | 0 | 0 | 0 | 1,784 | 23,853 |
| 2009-05-18 | 11 | 12,683 | 5,119 | 5,944 | 96 | -1,382 | 150 | 0 | 0 | 0 | 0 | 1,120 | 23,730 |
| 2009-05-18 | 12 | 12,845 | 5,870 | 5,945 | 96 | -1,346 | 154 | 0 | 0 | 0 | 0 | 1,096 | 24,660 |
| 2009-05-18 | 13 | 13,553 | 7,670 | 5,995 | 96 | -986 | 140 | 0 | 0 | 0 | 0 | 1,100 | 27,568 |
| 2009-05-18 | 14 | 14,534 | 9,385 | 6,016 | 101 | -474 | 148 | 0 | 0 | 0 | 0 | 1,094 | 30,804 |
| 2009-05-18 | 15 | 15,744 | 11,560 | 6,018 | 136 | 12 | 164 | 0 | 0 | 0 | 0 | 1,360 | 34,994 |
| 2009-05-18 | 16 | 16,214 | 13,187 | 6,018 | 160 | 484 | 278 | 0 | 0 | 0 | 0 | 1,284 | 37,625 |
| 2009-05-18 | 17 | 16,500 | 13,970 | 6,015 | 159 | 656 | 401 | 0 | 0 | 0 | 0 | 1,342 | 39,043 |
| 2009-05-18 | 18 | 16,506 | 14,101 | 6,015 | 172 | 1,066 | 309 | 0 | 0 | 0 | 0 | 1,288 | 39,457 |
| 2009-05-18 | 19 | 16,561 | 14,547 | 6,017 | 258 | 1,140 | 268 | 0 | 0 | 0 | 0 | 1,738 | 40,529 |
| 2009-05-18 | 20 | 16,234 | 15,436 | 6,018 | 257 | 1,182 | 198 | 0 | 0 | 0 | 0 | 1,662 | 40,987 |
| 2009-05-18 | 21 | 16,230 | 15,598 | 6,015 | 330 | 1,202 | 202 | 0 | 0 | 0 | 0 | 1,648 | 41,225 |
| 2009-05-18 | 22 | 16,195 | 15,518 | 6,007 | 568 | 1,054 | 202 | 0 | 0 | 0 | 0 | 1,644 | 41,188 |
| 2009-05-18 | 23 | 16,232 | 15,484 | 5,982 | 585 | 1,320 | 209 | 0 | 0 | 0 | 0 | 1,638 | 41,450 |
| 2009-05-18 | 24 | 16,460 | 15,457 | 5,959 | 633 | 1,244 | 206 | 0 | 0 | 0 | 0 | 1,640 | 41,599 |
| 2009-05-18 | 25 | 16,663 | 15,321 | 5,960 | 612 | 1,316 | 242 | 0 | 0 | 0 | 0 | 1,680 | 41,794 |
| 2009-05-18 | 26 | 16,701 | 15,337 | 5,959 | 465 | 914 | 237 | 0 | 0 | 0 | 0 | 1,814 | 41,427 |
| 2009-05-18 | 27 | 16,709 | 15,472 | 5,931 | 230 | 850 | 245 | 0 | 0 | 0 | 0 | 1,686 | 41,123 |
| 2009-05-18 | 28 | 16,650 | 15,446 | 5,930 | 222 | 576 | 274 | 0 | 0 | 0 | 0 | 1,622 | 40,720 |
| 2009-05-18 | 29 | 16,622 | 15,284 | 5,927 | 203 | 508 | 330 | 0 | 0 | 0 | 0 | 1,620 | 40,494 |
| 2009-05-18 | 30 | 16,654 | 14,841 | 5,921 | 180 | 562 | 422 | 0 | 0 | 0 | 0 | 1,622 | 40,202 |
| 2009-05-18 | 31 | 16,638 | 14,856 | 5,919 | 148 | 414 | 426 | 0 | 0 | 0 | 0 | 1,620 | 40,021 |
| 2009-05-18 | 32 | 16,624 | 14,974 | 5,917 | 161 | 642 | 411 | 0 | 0 | 0 | 0 | 1,622 | 40,351 |
| 2009-05-18 | 33 | 16,635 | 14,909 | 5,911 | 396 | 1,034 | 440 | 0 | 0 | 0 | 0 | 1,620 | 40,945 |
| 2009-05-18 | 34 | 16,628 | 15,165 | 5,915 | 431 | 1,232 | 497 | 0 | 0 | 0 | 0 | 1,622 | 41,490 |
| 2009-05-18 | 35 | 16,570 | 15,231 | 5,903 | 498 | 1,168 | 539 | 0 | 0 | 0 | 0 | 1,620 | 41,529 |
| 2009-05-18 | 36 | 16,539 | 15,076 | 5,905 | 499 | 706 | 587 | 0 | 0 | 0 | 0 | 1,622 | 40,934 |
| 2009-05-18 | 37 | 16,615 | 14,482 | 5,893 | 289 | 738 | 570 | 0 | 0 | 0 | 0 | 1,620 | 40,207 |
| 2009-05-18 | 38 | 16,730 | 14,073 | 5,902 | 289 | 324 | 516 | 0 | 0 | 0 | 0 | 1,630 | 39,464 |
| 2009-05-18 | 39 | 16,602 | 13,499 | 5,912 | 265 | 304 | 498 | 0 | 0 | 0 | 0 | 1,654 | 38,734 |
| 2009-05-18 | 40 | 16,767 | 12,759 | 5,913 | 264 | 302 | 446 | 0 | 0 | 0 | 0 | 1,632 | 38,083 |
| 2009-05-18 | 41 | 16,881 | 11,892 | 5,890 | 246 | 294 | 424 | 0 | 0 | 0 | 0 | 1,696 | 37,323 |
| 2009-05-18 | 42 | 16,961 | 11,646 | 5,882 | 206 | 406 | 419 | 0 | 0 | 0 | 0 | 1,742 | 37,262 |
| 2009-05-18 | 43 | 17,024 | 12,013 | 5,878 | 151 | 728 | 399 | 0 | 0 | 0 | 0 | 1,704 | 37,897 |
| 2009-05-18 | 44 | 16,633 | 12,316 | 5,898 | 149 | 330 | 352 | 0 | 0 | 0 | 0 | 1,634 | 37,312 |
| 2009-05-18 | 45 | 16,057 | 11,636 | 5,904 | 151 | 52 | 367 | 0 | 0 | 0 | 0 | 1,618 | 35,785 |
| 2009-05-18 | 46 | 15,618 | 9,921 | 5,905 | 148 | -146 | 332 | 0 | 0 | 0 | 0 | 1,646 | 33,424 |
| 2009-05-18 | 47 | 14,873 | 8,214 | 5,902 | 151 | -460 | 334 | 0 | 0 | 0 | 0 | 1,750 | 30,764 |
| 2009-05-18 | 48 | 14,667 | 7,362 | 5,899 | 150 | -1,486 | 356 | 0 | 0 | 0 | 0 | 1,788 | 28,736 |