Tabel maandelijkse gas parameters
| EGI 1 | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 1,227 | 1,419 | 1,503 | 1,026 | |
| Februari | 1,182 | 1,421 | 1,507 | 1,053 | |
| Maart | 1,119 | 1,392 | 1,442 | 1,042 | |
| April | 1,021 | 1,520 | 0,987 | 1,096 | |
| Mei | 1,003 | 1,557 | 0,978 | ||
| Juni | 1,036 | 1,544 | 0,971 | ||
| Juli | 1,045 | 1,795 | 0,872 | ||
| Augustus | 1,108 | 1,777 | 0,857 | ||
| September | 1,095 | 1,746 | 0,847 | ||
| Oktober | 1,210 | 1,956 | 0,939 | ||
| November | 1,294 | 1,955 | 0,971 | ||
| December | 1,316 | 1,882 | 0,957 | ||
| EGI 2 | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 1,562 | 1,645 | 1,168 | ||
| Februari | 1,564 | 1,650 | 1,195 | ||
| Maart | 1,535 | 1,585 | 1,185 | ||
| April | 1,662 | 1,129 | 1,239 | ||
| Mei | 1,700 | 1,121 | |||
| Juni | 1,687 | 1,113 | |||
| Juli | 1,938 | 1,014 | |||
| Augustus | 1,920 | 1,000 | |||
| September | 1,889 | 0,990 | |||
| Oktober | 2,098 | 1,082 | |||
| November | 2,098 | 1,114 | |||
| December | 1,4593 | 2,025 | 1,099 | ||
| EGI 3 | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 1,168 | ||||
| Februari | 1,195 | ||||
| Maart | 1,585 | 1,185 | |||
| April | 1,129 | 1,323 | |||
| Mei | 1,121 | ||||
| Juni | 1,113 | ||||
| Juli | 1,014 | ||||
| Augustus | 1,000 | ||||
| September | 0,990 | ||||
| Oktober | 1,082 | ||||
| November | 1,114 | ||||
| December | 1,099 |
| IGD | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 1,5881 | 1,6136 | 1,6864 | 1,6522 | |
| Februari | 1,5895 | 1,6127 | 1,6853 | 1,6559 | |
| Maart | 1,5897 | 1,6116 | 1,6775 | 1,6599 | |
| April | 1,585 | 1,6121 | 1,670 | 1,6601 | |
| Mei | 1,5878 | 1,6146 | 1,6622 | ||
| Juni | 1,5930 | 1,6197 | 1,6602 | ||
| Juli | 1,5968 | 1,6240 | 1,6531 | ||
| Augustus | 1,5987 | 1,6292 | 1,6474 | ||
| September | 1,6005 | 1,634 | 1,6415 | ||
| Oktober | 1,6041 | 1,653 | 1,6442 | ||
| November | 1,6085 | 1,669 | 1,6484 | ||
| December | 1,6136 | 1,685 | 1,6519 |
| GOL 603 (euro/t) (*) | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 450,95 | 506,47 | 562,435 | 399,120 | |
| Februari | 450,95 | 506,47 | 562,435 | 399,120 | |
| Maart | 450,95 | 506,47 | 562,435 | 399,120 | |
| April | 404,74 | 557,68 | 380,381 | 431,825 | |
| Mei | 404,74 | 557,68 | 380,381 | ||
| Juni | 404,74 | 557,68 | 380,381 | ||
| Juli | 417,54 | 651,46 | 336,301 | ||
| Augustus | 417,54 | 651,46 | 336,301 | ||
| September | 417,54 | 651,46 | 336,301 | ||
| Oktober | 457,81 | 712,04 | 371,739 | ||
| November | 457,81 | 712,04 | 371,739 | ||
| December | 457,81 | 712,04 | 371,739 |
| Hub (euro/MWh) | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 19,24 | 25,07 | 21,646 | 11,752 | |
| Februari | 15,31 | 25,22 | 22,019 | 14,079 | |
| Maart | 9,98 | 22,74 | 16,536 | 13,157 | |
| April | 10,30 | 23,997 | 11,950 | 11,594 | |
| Mei | 8,81 | 27,195 | 11,198 | ||
| Juni | 11,58 | 26,092 | 10,580 | ||
| Juli | 9,94 | 29,18 | 10,429 | ||
| Augustus | 15,28 | 28,26 | 9,221 | ||
| September | 14,14 | 25,63 | 8,368 | ||
| Oktober | 16,38 | 32,098 | 9,545 | ||
| November | 23,55 | 32,03 | 12,222 | ||
| December | 25,42 | 25,84 | 11,016 |
| HFO 603 (euro/t) | Maand | 2007 | 2008 | 2009 | 2010 |
| Januari | 332,172 | 295,433 | |||
| Februari | 332,172 | 295,433 | |||
| Maart | 332,172 | 295,433 | |||
| April | 208,673 | 318,598 | |||
| Mei | 208,673 | ||||
| Juni | 208,673 | ||||
| Juli | 208,922 | ||||
| Augustus | 208,922 | ||||
| September | 208,922 | ||||
| Oktober | 408,29 | 263,157 | |||
| November | 408,29 | 263,157 | |||
| December | 408,29 | 263,157 |