| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-07-21 | 1 | 16,449 | 2,039 | 7,959 | 67 | -1,016 | 157 | 0 | 0 | 0 | 0 | 766 | 26,421 |
| 2009-07-21 | 2 | 15,636 | 1,901 | 7,966 | 44 | -1,128 | 174 | 0 | 0 | 0 | 0 | 830 | 25,423 |
| 2009-07-21 | 3 | 16,428 | 1,936 | 7,968 | 43 | -1,810 | 171 | 0 | 0 | 0 | 0 | 312 | 25,048 |
| 2009-07-21 | 4 | 16,308 | 1,881 | 7,964 | 42 | -1,794 | 174 | 0 | 0 | 0 | 0 | 192 | 24,767 |
| 2009-07-21 | 5 | 15,756 | 1,867 | 7,967 | 42 | -1,866 | 152 | 0 | 0 | 0 | 0 | 424 | 24,342 |
| 2009-07-21 | 6 | 15,571 | 1,902 | 7,962 | 42 | -2,014 | 150 | 0 | 0 | 0 | 0 | 426 | 24,039 |
| 2009-07-21 | 7 | 15,506 | 1,915 | 7,961 | 42 | -2,104 | 142 | 0 | 0 | 0 | 0 | 436 | 23,898 |
| 2009-07-21 | 8 | 15,660 | 1,878 | 7,963 | 43 | -2,122 | 119 | 0 | 0 | 0 | 0 | 432 | 23,973 |
| 2009-07-21 | 9 | 15,854 | 1,868 | 7,965 | 43 | -2,114 | 156 | 0 | 0 | 0 | 0 | 214 | 23,986 |
| 2009-07-21 | 10 | 15,517 | 1,927 | 7,965 | 43 | -2,104 | 182 | 0 | 0 | 0 | 0 | 290 | 23,820 |
| 2009-07-21 | 11 | 14,987 | 2,154 | 7,967 | 43 | -1,848 | 186 | 0 | 0 | 0 | 0 | 320 | 23,809 |
| 2009-07-21 | 12 | 15,053 | 2,558 | 7,968 | 43 | -1,610 | 159 | 0 | 0 | 0 | 0 | 304 | 24,475 |
| 2009-07-21 | 13 | 16,261 | 3,251 | 7,955 | 43 | -1,312 | 148 | 0 | 0 | 0 | 0 | 322 | 26,668 |
| 2009-07-21 | 14 | 16,905 | 4,465 | 7,949 | 61 | -390 | 150 | 0 | 0 | 0 | 0 | 322 | 29,462 |
| 2009-07-21 | 15 | 17,802 | 6,533 | 7,941 | 123 | 262 | 133 | 0 | 11 | 0 | 0 | 70 | 32,875 |
| 2009-07-21 | 16 | 18,203 | 8,541 | 7,937 | 124 | 538 | 101 | 0 | 67 | 0 | 0 | 22 | 35,533 |
| 2009-07-21 | 17 | 18,331 | 10,310 | 7,939 | 131 | 710 | 96 | 0 | 127 | 0 | 0 | 0 | 37,644 |
| 2009-07-21 | 18 | 18,371 | 11,581 | 7,942 | 139 | 598 | 131 | 0 | 185 | 0 | 0 | -236 | 38,711 |
| 2009-07-21 | 19 | 18,412 | 12,378 | 7,952 | 267 | 492 | 157 | 0 | 200 | 0 | 0 | -158 | 39,700 |
| 2009-07-21 | 20 | 18,611 | 12,658 | 7,943 | 284 | 480 | 150 | 0 | 200 | 0 | 0 | -158 | 40,168 |
| 2009-07-21 | 21 | 18,610 | 12,771 | 7,940 | 285 | 828 | 153 | 0 | 200 | 0 | 0 | -300 | 40,487 |
| 2009-07-21 | 22 | 18,684 | 12,866 | 7,943 | 284 | 1,104 | 198 | 0 | 200 | 0 | 0 | -414 | 40,865 |
| 2009-07-21 | 23 | 18,666 | 13,017 | 7,943 | 287 | 1,194 | 242 | 0 | 214 | 0 | 0 | -414 | 41,149 |
| 2009-07-21 | 24 | 18,651 | 13,030 | 7,934 | 273 | 1,418 | 267 | 0 | 318 | 0 | 0 | -414 | 41,477 |
| 2009-07-21 | 25 | 18,617 | 13,178 | 7,945 | 274 | 1,386 | 288 | 0 | 427 | 0 | 0 | -414 | 41,701 |
| 2009-07-21 | 26 | 18,552 | 13,233 | 7,958 | 286 | 1,040 | 351 | 0 | 268 | 0 | 0 | -158 | 41,530 |
| 2009-07-21 | 27 | 18,519 | 13,205 | 7,958 | 263 | 568 | 427 | 0 | 201 | 0 | 0 | 90 | 41,231 |
| 2009-07-21 | 28 | 18,490 | 13,080 | 7,959 | 254 | 444 | 459 | 0 | 201 | 0 | 0 | 24 | 40,911 |
| 2009-07-21 | 29 | 18,463 | 13,078 | 7,958 | 240 | 388 | 491 | 0 | 45 | 0 | 0 | -10 | 40,653 |
| 2009-07-21 | 30 | 18,387 | 12,775 | 7,955 | 240 | 356 | 564 | 0 | 0 | 0 | 0 | -10 | 40,267 |
| 2009-07-21 | 31 | 18,423 | 12,670 | 7,945 | 195 | 432 | 570 | 0 | 0 | 0 | 0 | -10 | 40,225 |
| 2009-07-21 | 32 | 18,388 | 12,865 | 7,944 | 197 | 408 | 578 | 0 | 0 | 0 | 0 | -10 | 40,370 |
| 2009-07-21 | 33 | 18,367 | 12,689 | 7,943 | 311 | 700 | 569 | 0 | 0 | 0 | 0 | 128 | 40,707 |
| 2009-07-21 | 34 | 18,418 | 12,857 | 7,933 | 315 | 1,000 | 518 | 0 | 0 | 0 | 0 | 144 | 41,185 |
| 2009-07-21 | 35 | 18,409 | 13,042 | 7,926 | 298 | 1,122 | 499 | 0 | 0 | 0 | 0 | 146 | 41,442 |
| 2009-07-21 | 36 | 18,323 | 12,836 | 7,921 | 195 | 838 | 497 | 0 | 0 | 0 | 0 | 146 | 40,756 |
| 2009-07-21 | 37 | 18,293 | 12,215 | 7,910 | 205 | 798 | 455 | 0 | 0 | 0 | 0 | 144 | 40,020 |
| 2009-07-21 | 38 | 18,374 | 11,507 | 7,909 | 202 | 504 | 414 | 0 | 0 | 0 | 0 | 272 | 39,182 |
| 2009-07-21 | 39 | 18,325 | 9,937 | 7,899 | 128 | 348 | 411 | 0 | 0 | 0 | 0 | 1,276 | 38,324 |
| 2009-07-21 | 40 | 18,432 | 8,683 | 7,896 | 123 | 246 | 408 | 0 | 0 | 0 | 0 | 1,296 | 37,084 |
| 2009-07-21 | 41 | 18,401 | 8,237 | 7,892 | 122 | 296 | 417 | 0 | 0 | 0 | 0 | 1,270 | 36,635 |
| 2009-07-21 | 42 | 18,327 | 7,460 | 7,886 | 122 | 292 | 376 | 0 | 0 | 0 | 0 | 1,270 | 35,733 |
| 2009-07-21 | 43 | 18,687 | 7,577 | 7,865 | 105 | 314 | 367 | 0 | 0 | 0 | 0 | 996 | 35,911 |
| 2009-07-21 | 44 | 18,747 | 7,496 | 7,826 | 102 | 294 | 359 | 0 | 0 | 0 | 0 | 992 | 35,816 |
| 2009-07-21 | 45 | 18,516 | 6,713 | 7,820 | 101 | 238 | 392 | 0 | 0 | 0 | 0 | 994 | 34,774 |
| 2009-07-21 | 46 | 18,104 | 5,237 | 7,823 | 82 | 24 | 376 | 0 | 0 | 0 | 0 | 1,024 | 32,670 |
| 2009-07-21 | 47 | 17,330 | 3,287 | 7,819 | 53 | 68 | 365 | 0 | 0 | 0 | 0 | 1,286 | 30,208 |
| 2009-07-21 | 48 | 16,627 | 2,110 | 7,820 | 73 | -324 | 352 | 0 | 0 | 0 | 0 | 1,360 | 28,018 |