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
2026-07-21
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 10.916 9.858 14.115 0.7212 11.722 10.586 15.154 0.7744 0.5990
Baldone 10.924 9.866 14.118 0.7215 11.730 10.594 15.157 0.7747 0.5992
Brocēni 10.287 9.274 13.667 0.6868 11.046 9.958 14.673 0.7375 0.5704
Cēsis 10.799 9.749 14.080 0.7152 11.596 10.469 15.116 0.7680 0.5940
Daugavpils 10.845 9.792 14.050 0.7186 11.645 10.515 15.084 0.7716 0.5968
Daugmale 10.923 9.866 14.116 0.7213 11.729 10.594 15.155 0.7745 0.5990
Dobele 10.935 9.876 14.125 0.7219 11.742 10.605 15.165 0.7752 0.5996
Dzirkstele 10.328 9.312 13.678 0.6866 11.090 9.999 14.685 0.7373 0.5703
Ezerciems 10.916 9.859 14.111 0.7208 11.722 10.587 15.150 0.7740 0.5987
Jēkabpils 10.419 9.395 13.828 0.6839 11.188 10.088 14.846 0.7344 0.5680
Jelgava-2 10.935 9.876 14.124 0.7219 11.742 10.605 15.164 0.7752 0.5995
Kaibala 10.927 9.869 14.119 0.7215 11.733 10.597 15.158 0.7748 0.5992
Kalnciems 10.456 9.428 13.882 0.6834 11.228 10.124 14.904 0.7338 0.5675
Koknese 10.420 9.395 13.826 0.6839 11.189 10.088 14.844 0.7344 0.5680
Krimulda 10.936 9.877 14.126 0.7219 11.743 10.606 15.166 0.7752 0.5995
Liepāja 10.675 9.636 13.846 0.7131 11.463 10.347 14.865 0.7657 0.5922
Līgatne 10.809 9.759 14.064 0.7121 11.607 10.479 15.099 0.7647 0.5915
Līvāni 10.419 9.395 13.828 0.6839 11.188 10.088 14.846 0.7344 0.5680
Lode 10.658 9.617 13.996 0.6977 11.445 10.327 15.026 0.7492 0.5795
Lutriņi 10.454 9.426 13.874 0.6838 11.225 10.122 14.895 0.7343 0.5679
Nākotne 10.934 9.875 14.124 0.7218 11.741 10.604 15.164 0.7751 0.5995
Ogre 10.923 9.865 14.119 0.7215 11.729 10.593 15.158 0.7748 0.5992
Preiļi 10.426 9.400 13.836 0.6837 11.195 10.094 14.854 0.7342 0.5678
Rēzekne 10.847 9.794 14.048 0.7181 11.647 10.517 15.082 0.7711 0.5964
Rīga-1 10.935 9.877 14.126 0.7219 11.742 10.606 15.166 0.7752 0.5995
Rīga-3 10.935 9.876 14.126 0.7219 11.742 10.605 15.166 0.7752 0.5995
Saldus 10.372 9.352 13.707 0.6865 11.137 10.042 14.716 0.7372 0.5702
Sigulda 10.832 9.779 14.067 0.7131 11.631 10.501 15.102 0.7657 0.5922
Sloka 10.455 9.428 13.882 0.6834 11.227 10.124 14.904 0.7338 0.5675
Tadaiķi 10.644 9.607 13.854 0.7134 11.429 10.316 14.874 0.7661 0.5926
Valmiera-1 10.668 9.626 13.996 0.6977 11.455 10.336 15.026 0.7492 0.5795
Vangaži 10.935 9.876 14.126 0.7219 11.742 10.605 15.166 0.7752 0.5995
Vecbebri 10.419 9.395 13.830 0.6839 11.188 10.088 14.848 0.7344 0.5680
Zaķumuiža 10.936 9.877 14.126 0.7219 11.743 10.606 15.166 0.7752 0.5995
Zirņi 10.279 9.267 13.617 0.6864 11.038 9.951 14.619 0.7371 0.5701
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 11.742 15.166 - - -
LV Domestic consumption 11.623 15.098 93.833 0.007 -
Entry point from Latvian production 10.870 14.400 98.200 0.238 0.037
Incukalns UGS 11.702 15.144 93.351 - -
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