Natural gas parameters

Gas quality is measured according to the International Organization for Standardization standard ISO 6976 “Natural gas – Calculation of calorific values, density, relative density and Wobbe index from composition“

Natural gas quality parameters
2026-06-13
Gas regulation stations
Name Calorific value Wobbe index Density absolute Calorific value Wobbe index Density absolute Density relative
- superior inferior - - superior inferior - - -
- 25/20° C (combustion/measurement) - 25/0° C (combustion/measurement)  
- kWh/m3 kWh/m3 kWh/m3 kg/m3 kWh/m3 kWh/m3 kWh/m3 kg/m3 -
Aizkraukle 10.451 9.424 13.902 0.6810 11.222 10.119 14.925 0.7313 0.5656
Baldone 10.453 9.424 13.901 0.6809 11.224 10.120 14.924 0.7312 0.5656
Brocēni 10.822 9.772 14.061 0.7175 11.621 10.493 15.096 0.7705 0.5959
Cēsis 10.450 9.422 13.899 0.6809 11.221 10.117 14.922 0.7311 0.5655
Daugavpils 10.916 9.859 14.109 0.7211 11.722 10.587 15.147 0.7743 0.5989
Daugmale 10.452 9.424 13.901 0.6809 11.223 10.120 14.924 0.7312 0.5655
Dobele 10.448 9.421 13.898 0.6808 11.219 10.116 14.921 0.7310 0.5654
Dzirkstele 10.802 9.753 14.015 0.7152 11.599 10.473 15.047 0.7680 0.5940
Ezerciems 10.449 9.421 13.898 0.6808 11.220 10.116 14.921 0.7310 0.5654
Jēkabpils 10.451 9.424 13.875 0.6834 11.222 10.119 14.896 0.7338 0.5676
Jelgava-2 10.449 9.421 13.899 0.6808 11.220 10.116 14.922 0.7310 0.5654
Kaibala 10.452 9.424 13.901 0.6809 11.223 10.120 14.924 0.7312 0.5655
Koknese 10.452 9.424 13.879 0.6833 11.223 10.120 14.900 0.7337 0.5675
Krimulda 10.445 9.418 13.897 0.6805 11.216 10.113 14.920 0.7307 0.5651
Liepāja 10.706 9.664 13.971 0.7106 11.496 10.377 14.999 0.7630 0.5902
Līgatne 10.451 9.423 13.900 0.6809 11.222 10.118 14.923 0.7312 0.5656
Līvāni 10.454 9.426 13.876 0.6834 11.225 10.122 14.897 0.7338 0.5676
Lode 10.450 9.422 13.899 0.6808 11.221 10.117 14.922 0.7310 0.5654
Nākotne 10.449 9.421 13.899 0.6808 11.220 10.116 14.922 0.7310 0.5654
Ogre 10.453 9.424 13.901 0.6809 11.224 10.120 14.924 0.7312 0.5655
Preiļi 10.457 9.429 13.885 0.6832 11.229 10.125 14.907 0.7336 0.5674
Rēzekne 10.916 9.859 14.109 0.7211 11.722 10.587 15.147 0.7743 0.5989
Rīga-1 10.445 9.418 13.897 0.6805 11.216 10.113 14.920 0.7307 0.5651
Rīga-3 10.445 9.418 13.897 0.6805 11.216 10.113 14.920 0.7307 0.5651
Rudbārži 10.831 9.779 14.037 0.7161 11.630 10.501 15.070 0.7689 0.5947
Saldus 10.819 9.768 14.030 0.7163 11.617 10.489 15.063 0.7692 0.5949
Sigulda 10.450 9.423 13.900 0.6809 11.221 10.118 14.923 0.7312 0.5655
Sloka 10.831 9.778 14.083 0.7082 11.630 10.500 15.119 0.7605 0.5882
Tadaiķi 10.692 9.651 13.944 0.7093 11.481 10.363 14.970 0.7617 0.5891
Valmiera-1 10.450 9.422 13.899 0.6808 11.221 10.117 14.922 0.7310 0.5654
Vangaži 10.445 9.418 13.897 0.6805 11.216 10.113 14.920 0.7307 0.5651
Zaķumuiža 10.445 9.418 13.897 0.6805 11.216 10.113 14.920 0.7307 0.5651
Zirņi 10.696 9.654 13.929 0.7104 11.485 10.367 14.954 0.7628 0.5899
Entry/exit points
Name Calorific value Wobbe index Methane Oxygen Hydrogen
- superior - - -
- 25/0° C (combustion/measurement)
- kWh/m3 kWh/m3 % Mole % Mole % Mole
Kiemenai 11.221 14.924 - - -
LV Domestic consumption 11.283 14.948 97.405 0.004 -
Entry point from Latvian production 10.887 14.439 98.329 0.255 0.041
Incukalns UGS 11.217 14.922 98.154 - -
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