| SD | SP | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2012-05-20 | 1 | 5,843 | 10,598 | 7,952 | 146 | -10 | 667 | 0 | 0 | 0 | 45 | 1,614 | 26,855 |
| 2012-05-20 | 2 | 5,152 | 10,322 | 7,971 | 145 | -18 | 615 | 0 | 0 | 0 | 45 | 1,606 | 25,838 |
| 2012-05-20 | 3 | 5,300 | 10,710 | 7,946 | 130 | -524 | 568 | 0 | 0 | 0 | 45 | 1,614 | 25,789 |
| 2012-05-20 | 4 | 5,477 | 11,033 | 7,956 | 130 | -852 | 566 | 0 | 0 | 0 | 45 | 1,648 | 26,003 |
| 2012-05-20 | 5 | 5,398 | 11,036 | 7,948 | 130 | -1,154 | 537 | 0 | 0 | 0 | 45 | 1,726 | 25,666 |
| 2012-05-20 | 6 | 5,154 | 10,870 | 7,954 | 130 | -1,220 | 525 | 0 | 0 | 0 | 45 | 1,766 | 25,224 |
| 2012-05-20 | 7 | 5,147 | 10,566 | 7,956 | 130 | -1,444 | 501 | 0 | 0 | 0 | 44 | 1,766 | 24,666 |
| 2012-05-20 | 8 | 5,060 | 10,424 | 7,958 | 130 | -1,446 | 479 | 0 | 0 | 0 | 44 | 1,766 | 24,415 |
| 2012-05-20 | 9 | 5,025 | 10,082 | 7,962 | 129 | -1,492 | 482 | 0 | 0 | 0 | 44 | 1,766 | 23,998 |
| 2012-05-20 | 10 | 5,028 | 9,739 | 7,959 | 126 | -1,700 | 495 | 0 | 0 | 0 | 44 | 1,756 | 23,447 |
| 2012-05-20 | 11 | 5,070 | 9,165 | 7,956 | 141 | -1,796 | 490 | 0 | 0 | 0 | 44 | 1,756 | 22,826 |
| 2012-05-20 | 12 | 5,042 | 9,134 | 7,951 | 140 | -1,784 | 475 | 0 | 0 | 0 | 45 | 1,756 | 22,759 |
| 2012-05-20 | 13 | 5,137 | 9,670 | 7,947 | 141 | -1,832 | 463 | 0 | 0 | 0 | 45 | 1,766 | 23,337 |
| 2012-05-20 | 14 | 5,153 | 10,184 | 7,951 | 182 | -1,568 | 470 | 0 | 0 | 0 | 44 | 1,766 | 24,182 |
| 2012-05-20 | 15 | 5,363 | 9,952 | 7,950 | 275 | -430 | 496 | 0 | 0 | 0 | 45 | 1,766 | 25,417 |
| 2012-05-20 | 16 | 5,818 | 10,613 | 7,952 | 277 | -270 | 517 | 0 | 0 | 0 | 45 | 1,766 | 26,718 |
| 2012-05-20 | 17 | 6,647 | 11,337 | 7,957 | 294 | -12 | 493 | 0 | 0 | 0 | 45 | 1,654 | 28,415 |
| 2012-05-20 | 18 | 7,159 | 11,914 | 7,952 | 320 | 204 | 458 | 0 | 0 | 0 | 45 | 1,616 | 29,668 |
| 2012-05-20 | 19 | 7,714 | 12,859 | 7,957 | 402 | 290 | 452 | 0 | 0 | 0 | 44 | 1,616 | 31,334 |
| 2012-05-20 | 20 | 8,263 | 13,621 | 7,944 | 435 | 330 | 466 | 0 | 0 | 0 | 44 | 1,616 | 32,719 |
| 2012-05-20 | 21 | 9,003 | 13,993 | 7,947 | 434 | 360 | 500 | 0 | 0 | 0 | 44 | 1,616 | 33,897 |
| 2012-05-20 | 22 | 9,485 | 14,173 | 7,950 | 432 | 286 | 485 | 0 | 0 | 0 | 44 | 1,616 | 34,471 |
| 2012-05-20 | 23 | 10,022 | 14,230 | 7,944 | 438 | 284 | 462 | 0 | 0 | 0 | 44 | 1,586 | 35,010 |
| 2012-05-20 | 24 | 10,251 | 14,285 | 7,946 | 431 | 290 | 450 | 0 | 0 | 0 | 45 | 1,584 | 35,282 |
| 2012-05-20 | 25 | 10,307 | 14,340 | 7,942 | 413 | 428 | 424 | 0 | 0 | 0 | 44 | 1,584 | 35,482 |
| 2012-05-20 | 26 | 10,226 | 14,273 | 7,953 | 398 | 424 | 394 | 0 | 0 | 0 | 45 | 1,584 | 35,297 |
| 2012-05-20 | 27 | 9,829 | 14,240 | 7,948 | 310 | 354 | 417 | 0 | 0 | 0 | 44 | 1,584 | 34,726 |
| 2012-05-20 | 28 | 9,405 | 14,257 | 7,949 | 321 | 348 | 362 | 0 | 0 | 0 | 44 | 1,584 | 34,270 |
| 2012-05-20 | 29 | 9,057 | 14,289 | 7,951 | 314 | 374 | 345 | 0 | 0 | 0 | 44 | 1,584 | 33,958 |
| 2012-05-20 | 30 | 8,791 | 14,266 | 7,944 | 292 | 364 | 316 | 0 | 0 | 0 | 44 | 1,586 | 33,603 |
| 2012-05-20 | 31 | 8,767 | 14,320 | 7,946 | 241 | 342 | 315 | 0 | 0 | 0 | 44 | 1,614 | 33,589 |
| 2012-05-20 | 32 | 8,880 | 14,290 | 7,941 | 241 | 388 | 358 | 0 | 0 | 0 | 44 | 1,614 | 33,756 |
| 2012-05-20 | 33 | 9,318 | 14,304 | 7,946 | 241 | 358 | 394 | 0 | 0 | 0 | 44 | 1,614 | 34,219 |
| 2012-05-20 | 34 | 9,780 | 14,356 | 7,946 | 234 | 338 | 474 | 0 | 0 | 0 | 45 | 1,616 | 34,789 |
| 2012-05-20 | 35 | 9,890 | 14,366 | 7,946 | 304 | 580 | 497 | 0 | 0 | 0 | 44 | 1,616 | 35,243 |
| 2012-05-20 | 36 | 9,794 | 14,395 | 7,951 | 360 | 686 | 501 | 0 | 0 | 0 | 45 | 1,616 | 35,348 |
| 2012-05-20 | 37 | 9,660 | 14,511 | 7,953 | 372 | 528 | 528 | 0 | 0 | 0 | 44 | 1,618 | 35,214 |
| 2012-05-20 | 38 | 9,389 | 14,742 | 7,947 | 356 | 342 | 575 | 0 | 0 | 0 | 44 | 1,616 | 35,011 |
| 2012-05-20 | 39 | 9,242 | 14,885 | 7,948 | 279 | 286 | 569 | 0 | 0 | 0 | 44 | 1,614 | 34,867 |
| 2012-05-20 | 40 | 8,956 | 14,903 | 7,946 | 198 | 344 | 510 | 0 | 0 | 0 | 44 | 1,616 | 34,517 |
| 2012-05-20 | 41 | 8,940 | 14,921 | 7,951 | 197 | 324 | 493 | 0 | 0 | 0 | 43 | 1,616 | 34,485 |
| 2012-05-20 | 42 | 8,592 | 14,898 | 7,955 | 212 | 284 | 542 | 0 | 0 | 0 | 44 | 1,616 | 34,143 |
| 2012-05-20 | 43 | 8,620 | 14,829 | 7,957 | 344 | 552 | 588 | 0 | 0 | 0 | 44 | 1,588 | 34,522 |
| 2012-05-20 | 44 | 8,421 | 14,822 | 7,960 | 254 | 296 | 622 | 0 | 0 | 0 | 45 | 1,576 | 33,996 |
| 2012-05-20 | 45 | 7,775 | 14,238 | 7,961 | 161 | 300 | 613 | 0 | 0 | 0 | 45 | 1,574 | 32,667 |
| 2012-05-20 | 46 | 7,144 | 13,371 | 7,955 | 161 | 98 | 593 | 0 | 0 | 0 | 44 | 1,574 | 30,940 |
| 2012-05-20 | 47 | 6,141 | 12,245 | 7,953 | 142 | -16 | 573 | 0 | 0 | 0 | 44 | 1,584 | 28,666 |
| 2012-05-20 | 48 | 5,360 | 11,283 | 7,946 | 122 | -60 | 492 | 0 | 0 | 0 | 44 | 1,584 | 26,771 |