Points of establishment of quality of natural gas
Points of establishment of quality of natural gas:
| Gas regulating station | Default gas composition reference point | Backup gas composition reference point |
| Rīga-1 | Rīga-1 | Inčukalna UGS |
| Rīga-3 | Rīga-1 | Inčukalna UGS |
| Ziemeļi | Ziemeļi | GRP Iecava-Liepāja |
| Baldone | Ziemeļi | Ogre, GRP Iecava-Liepāja |
| Daugmale | Ziemeļi | Ogre, GRP Iecava-Liepāja |
| Jelgava-2 | GRP Iecava-Liepāja | Ziemeļi |
| Jelgava-1 | GRP Iecava-Liepāja | Ziemeļi |
| Nākotne | GRP Iecava-Liepāja | Ziemeļi |
| Dobele | GRP Iecava-Liepāja | Ziemeļi |
| Dzirkstele | Saldus | GRP Iecava-Liepāja |
| Kalnciems | Sloka | GRP Iecava-Liepāja |
| Sloka | Sloka | GRP Iecava-Liepāja |
| Brocēni | Saldus | GRP Iecava-Liepāja |
| Saldus | Saldus | GRP Iecava-Liepāja |
| Lutriņi | Saldus | GRP Iecava-Liepāja |
| Zirņi | Saldus | GRP Iecava-Liepāja |
| Rudbārži | Saldus | GRP Iecava-Liepāja |
| Tadaiķi | Liepāja | GRP Iecava-Liepāja, Saldus |
| Liepāja | Liepāja | GRP Iecava-Liepāja, Saldus |
| Zaķumuiža | Rīga-1 | Inčukalna UGS |
| Vangaži | Rīga-1 | Inčukalna UGS |
| Krimulda | Rīga-1 | Inčukalna UGS |
| Ezerciems | Inčukalna UGS | Cēsis |
| Sigulda | Inčukalna UGS | Cēsis |
| Cēsis | Cēsis | Inčukalna UGS, Korneti |
| Direct connection | Cēsis | Inčukalna UGS, Korneti |
| Līgatne | Cēsis | Inčukalna UGS, Korneti |
| Valmiera-1 | Valmiera-1 | Cēsis, Korneti |
| Valmiera-2 | Valmiera-1 | Cēsis, Korneti |
| Lode | Valmiera-1 | Cēsis, Korneti |
| Palsmane | Korneti | Cēsis |
| Ogre | Ogre | Rīga-1, Ziemeļi |
| Kaibala | Ogre | Rīga-1, Ziemeļi |
| Aizkraukle | Ogre | Rīga-1, Ziemeļi |
| Koknese | Jēkabpils | Ogre |
| Vecbebri | Jēkabpils | Ogre |
| Jēkabpils | Jēkabpils | Ogre |
| Līvāni | Jēkabpils | Ogre |
| Preiļi | Jēkabpils | Ogre |
| Daugavpils | Daugavpils | Ogre, Jēkabpils |
| Rēzekne | Daugavpils | Ogre, Jēkabpils |