| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-04-28 | 1 | 15,436 | 5,223 | 8,238 | 144 | -1,976 | 106 | 0 | 0 | 0 | 0 | 778 | 27,949 |
| 2009-04-28 | 2 | 15,068 | 5,014 | 8,235 | 144 | -2,088 | 128 | 0 | 0 | 0 | 0 | 782 | 27,283 |
| 2009-04-28 | 3 | 15,526 | 5,158 | 8,231 | 129 | -2,162 | 129 | 0 | 0 | 0 | 0 | 784 | 27,795 |
| 2009-04-28 | 4 | 15,729 | 5,307 | 8,279 | 128 | -2,168 | 147 | 0 | 0 | 0 | 0 | 788 | 28,210 |
| 2009-04-28 | 5 | 15,557 | 5,201 | 8,288 | 128 | -2,158 | 163 | 0 | 0 | 0 | 0 | 834 | 28,013 |
| 2009-04-28 | 6 | 15,191 | 5,260 | 8,288 | 128 | -2,206 | 161 | 0 | 0 | 0 | 0 | 840 | 27,662 |
| 2009-04-28 | 7 | 15,118 | 5,207 | 8,284 | 127 | -2,268 | 158 | 0 | 0 | 0 | 0 | 750 | 27,376 |
| 2009-04-28 | 8 | 14,810 | 5,209 | 8,293 | 128 | -2,274 | 169 | 0 | 0 | 0 | 0 | 748 | 27,083 |
| 2009-04-28 | 9 | 15,054 | 5,122 | 8,287 | 128 | -2,248 | 178 | 0 | 0 | 0 | 0 | 266 | 26,787 |
| 2009-04-28 | 10 | 15,239 | 5,014 | 8,294 | 142 | -2,160 | 216 | 0 | 0 | 0 | 0 | 142 | 26,887 |
| 2009-04-28 | 11 | 15,858 | 5,661 | 8,293 | 144 | -1,500 | 302 | 0 | 0 | 0 | 0 | -1,258 | 27,500 |
| 2009-04-28 | 12 | 15,581 | 6,363 | 8,302 | 144 | -1,608 | 342 | 0 | 0 | 0 | 0 | -1,272 | 27,852 |
| 2009-04-28 | 13 | 16,137 | 8,335 | 8,293 | 144 | -1,534 | 350 | 0 | 0 | 0 | 0 | -1,284 | 30,441 |
| 2009-04-28 | 14 | 16,380 | 10,951 | 8,295 | 144 | -1,244 | 337 | 0 | 0 | 0 | 0 | -1,282 | 33,581 |
| 2009-04-28 | 15 | 17,114 | 12,551 | 8,287 | 181 | -348 | 315 | 0 | 0 | 0 | 0 | -370 | 37,730 |
| 2009-04-28 | 16 | 17,494 | 13,983 | 8,293 | 341 | 178 | 296 | 0 | 0 | 0 | 0 | -360 | 40,225 |
| 2009-04-28 | 17 | 17,559 | 14,522 | 8,285 | 397 | 778 | 290 | 0 | 0 | 0 | 0 | -400 | 41,431 |
| 2009-04-28 | 18 | 17,566 | 14,765 | 8,288 | 383 | 678 | 292 | 0 | 0 | 0 | 0 | -540 | 41,432 |
| 2009-04-28 | 19 | 17,670 | 15,056 | 8,283 | 453 | 1,120 | 285 | 0 | 0 | 0 | 0 | -766 | 42,101 |
| 2009-04-28 | 20 | 17,649 | 15,187 | 8,283 | 464 | 1,160 | 260 | 0 | 57 | 0 | 0 | -736 | 42,324 |
| 2009-04-28 | 21 | 17,581 | 15,198 | 8,289 | 432 | 990 | 263 | 0 | 311 | 0 | 0 | -694 | 42,370 |
| 2009-04-28 | 22 | 17,580 | 15,247 | 8,284 | 444 | 914 | 246 | 0 | 404 | 0 | 0 | -690 | 42,429 |
| 2009-04-28 | 23 | 17,541 | 15,195 | 8,290 | 438 | 1,144 | 235 | 0 | 389 | 0 | 0 | -644 | 42,588 |
| 2009-04-28 | 24 | 17,632 | 15,164 | 8,288 | 431 | 1,232 | 251 | 0 | 332 | 0 | 0 | -580 | 42,750 |
| 2009-04-28 | 25 | 17,641 | 15,064 | 8,290 | 395 | 1,290 | 260 | 0 | 304 | 0 | 0 | -364 | 42,880 |
| 2009-04-28 | 26 | 17,610 | 14,846 | 8,285 | 380 | 1,242 | 271 | 0 | 312 | 0 | 0 | -330 | 42,616 |
| 2009-04-28 | 27 | 17,589 | 15,165 | 8,291 | 301 | 812 | 309 | 0 | 427 | 0 | 0 | -364 | 42,530 |
| 2009-04-28 | 28 | 17,553 | 15,029 | 8,290 | 273 | 580 | 311 | 0 | 392 | 0 | 0 | -334 | 42,094 |
| 2009-04-28 | 29 | 17,572 | 15,034 | 8,292 | 294 | 474 | 305 | 0 | 343 | 0 | 0 | -332 | 41,982 |
| 2009-04-28 | 30 | 17,576 | 14,914 | 8,285 | 285 | 360 | 295 | 0 | 320 | 0 | 0 | -354 | 41,681 |
| 2009-04-28 | 31 | 17,554 | 14,107 | 8,288 | 257 | 298 | 330 | 0 | 306 | 0 | 0 | 332 | 41,472 |
| 2009-04-28 | 32 | 17,591 | 14,262 | 8,285 | 257 | 466 | 354 | 0 | 302 | 0 | 0 | 330 | 41,847 |
| 2009-04-28 | 33 | 17,628 | 14,652 | 8,286 | 256 | 758 | 366 | 4 | 60 | 0 | 0 | 424 | 42,434 |
| 2009-04-28 | 34 | 17,681 | 14,909 | 8,284 | 372 | 948 | 352 | 5 | 7 | 0 | 0 | 426 | 42,984 |
| 2009-04-28 | 35 | 17,713 | 14,945 | 8,277 | 372 | 990 | 359 | 9 | 15 | 0 | 0 | 386 | 43,066 |
| 2009-04-28 | 36 | 17,659 | 14,701 | 8,270 | 371 | 722 | 342 | 8 | 13 | 0 | 0 | 384 | 42,470 |
| 2009-04-28 | 37 | 17,757 | 14,093 | 8,278 | 354 | 732 | 346 | 3 | 3 | 0 | 0 | 242 | 41,808 |
| 2009-04-28 | 38 | 17,764 | 13,843 | 8,287 | 307 | 530 | 333 | 0 | 0 | 0 | 0 | 236 | 41,300 |
| 2009-04-28 | 39 | 17,762 | 13,433 | 8,287 | 302 | 362 | 296 | 0 | 0 | 0 | 0 | 294 | 40,736 |
| 2009-04-28 | 40 | 17,627 | 12,951 | 8,287 | 320 | 576 | 287 | 0 | 0 | 0 | 0 | 296 | 40,344 |
| 2009-04-28 | 41 | 17,707 | 12,812 | 8,290 | 296 | 724 | 293 | 0 | 0 | 0 | 0 | 362 | 40,484 |
| 2009-04-28 | 42 | 17,818 | 13,282 | 8,292 | 272 | 1,052 | 254 | 0 | 0 | 0 | 0 | 378 | 41,348 |
| 2009-04-28 | 43 | 17,827 | 13,383 | 8,295 | 171 | 492 | 235 | 0 | 0 | 0 | 0 | 366 | 40,769 |
| 2009-04-28 | 44 | 17,694 | 12,328 | 8,298 | 172 | 80 | 235 | 0 | 0 | 0 | 0 | 298 | 39,105 |
| 2009-04-28 | 45 | 17,174 | 10,775 | 8,303 | 169 | 74 | 222 | 0 | 0 | 0 | 0 | 302 | 37,019 |
| 2009-04-28 | 46 | 16,497 | 8,962 | 8,307 | 148 | -26 | 221 | 0 | 0 | 0 | 0 | 328 | 34,437 |
| 2009-04-28 | 47 | 16,759 | 7,066 | 8,307 | 121 | -752 | 252 | 0 | 0 | 0 | 0 | 210 | 31,963 |
| 2009-04-28 | 48 | 16,479 | 5,833 | 8,311 | 119 | -1,564 | 278 | 0 | 0 | 0 | 0 | 208 | 29,664 |