| SD | Gas | Coal | Nuclear | Hydro | Pumped | Wind | OCGT | Oil | Other | Biomass | Imports | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2009-05-01 | 398,864 | 199,238 | 176,564 | 6,845 | -857 | 14,492 | 12 | 22 | 0 | 0 | 43,548 | 838,727 |
| 2009-05-02 | 375,215 | 127,155 | 177,361 | 6,687 | -3,021 | 9,992 | 219 | 0 | 0 | 0 | 42,280 | 735,887 |
| 2009-05-03 | 360,531 | 99,096 | 182,918 | 6,360 | -6,795 | 10,340 | 43 | 0 | 0 | 0 | 41,569 | 694,061 |
| 2009-05-04 | 375,867 | 152,762 | 181,424 | 6,671 | -363 | 20,057 | 204 | 0 | 0 | 0 | 7,029 | 743,650 |
| 2009-05-05 | 398,058 | 231,533 | 176,957 | 7,084 | -3,806 | 15,216 | 1,105 | 0 | 0 | 0 | 22,555 | 848,702 |
| 2009-05-06 | 398,864 | 210,218 | 186,454 | 8,690 | -840 | 14,798 | 5 | 619 | 0 | 0 | 33,186 | 851,992 |
| 2009-05-07 | 370,895 | 216,033 | 195,965 | 10,233 | -729 | 25,092 | 0 | 2,169 | 0 | 0 | 25,589 | 845,246 |
| 2009-05-08 | 362,403 | 198,600 | 188,879 | 12,286 | -2,952 | 22,774 | 4 | 1,936 | 0 | 0 | 42,419 | 826,347 |
| 2009-05-09 | 348,763 | 147,832 | 178,665 | 12,260 | -806 | 13,288 | 127 | 0 | 0 | 0 | 42,535 | 742,663 |
| 2009-05-10 | 351,979 | 135,940 | 184,223 | 12,156 | -3,578 | 2,660 | 189 | 0 | 0 | 0 | 44,640 | 728,207 |
| 2009-05-11 | 373,681 | 220,126 | 182,031 | 10,918 | -2,182 | 2,796 | 5 | 0 | 0 | 0 | 36,443 | 823,816 |
| 2009-05-12 | 383,583 | 237,583 | 165,340 | 10,930 | -227 | 9,243 | 6 | 0 | 0 | 0 | 34,915 | 841,372 |
| 2009-05-13 | 382,385 | 269,135 | 144,192 | 11,013 | -533 | 15,157 | 1,863 | 2,229 | 0 | 0 | 39,306 | 864,747 |
| 2009-05-14 | 383,507 | 294,588 | 137,109 | 7,978 | -6,925 | 14,747 | 20 | 1,604 | 0 | 0 | 41,078 | 873,705 |
| 2009-05-15 | 376,221 | 282,600 | 137,518 | 6,215 | -4,725 | 18,526 | 422 | 3,183 | 0 | 0 | 41,833 | 861,792 |
| 2009-05-16 | 327,610 | 218,631 | 139,811 | 6,213 | -3,846 | 15,481 | 21 | 0 | 0 | 0 | 45,087 | 749,007 |
| 2009-05-17 | 339,135 | 200,427 | 144,674 | 4,888 | -5,271 | 8,895 | 4 | 1,295 | 0 | 0 | 46,323 | 740,370 |
| 2009-05-18 | 371,949 | 274,014 | 143,324 | 5,709 | -1,623 | 7,236 | 0 | 0 | 0 | 0 | 39,224 | 839,831 |
| 2009-05-19 | 367,663 | 305,115 | 140,959 | 7,792 | -2,184 | 6,662 | 0 | 1,975 | 0 | 0 | 29,915 | 857,896 |
| 2009-05-20 | 365,625 | 302,526 | 144,021 | 6,984 | -6,812 | 6,397 | 0 | 0 | 0 | 0 | 38,088 | 856,828 |
| 2009-05-21 | 380,131 | 283,170 | 140,244 | 6,982 | -1,719 | 4,429 | 0 | 0 | 0 | 0 | 40,581 | 853,816 |
| 2009-05-22 | 386,127 | 261,736 | 135,883 | 6,878 | -4,886 | 3,621 | 0 | 0 | 0 | 0 | 40,530 | 829,889 |
| 2009-05-23 | 346,536 | 176,911 | 146,898 | 5,469 | -5,613 | 11,376 | 0 | 0 | 0 | 0 | 42,528 | 724,104 |
| 2009-05-24 | 346,802 | 130,873 | 155,374 | 5,246 | -5,433 | 10,004 | 0 | 0 | 0 | 0 | 41,308 | 684,173 |
| 2009-05-25 | 376,212 | 161,247 | 160,965 | 5,769 | -1,631 | 3,329 | 254 | 0 | 0 | 0 | 9,391 | 715,535 |
| 2009-05-26 | 398,325 | 179,955 | 161,574 | 5,165 | -3,304 | 11,034 | 0 | 0 | 0 | 0 | 31,001 | 783,750 |
| 2009-05-27 | 398,569 | 198,357 | 167,489 | 4,939 | 213 | 10,773 | 0 | 0 | 0 | 0 | 34,732 | 815,070 |
| 2009-05-28 | 403,283 | 204,083 | 171,480 | 5,875 | -127 | 5,427 | 0 | 0 | 0 | 0 | 28,891 | 818,911 |
| 2009-05-29 | 402,087 | 196,864 | 167,671 | 4,768 | -4,040 | 4,320 | 10 | 0 | 0 | 0 | 27,850 | 799,528 |
| 2009-05-30 | 370,501 | 102,180 | 178,444 | 4,661 | -3,541 | 6,034 | 13 | 0 | 0 | 0 | 39,954 | 698,246 |
| 2009-05-31 | 365,078 | 83,008 | 184,487 | 6,217 | -5,543 | 1,037 | 0 | 0 | 0 | 0 | 43,416 | 677,700 |