Directory
Gas transmission pipelines
Every gas transmission pipeline above Global Energy Monitor's size threshold, grouped by project: 4246 pipelines made up of 4246 tracked segments across 139 countries. 3921 have a route drawn on the map.
Pipelines
4,246
4246 tracked segments
Operating length
1,173,317 km
2975 pipelines operating
Under construction
77,835 km
282 pipelines building
Terminal connections
5,307
pipeline within 25 km of a terminal
Prefer a map? Open the world map to see these routes with the terminals they feed. Looking for one pipeline by name? Use the box below; the site search covers everything else.
Search by name, country or route, for example Nord Stream or Algeria Italy.
Showing 1201–1500 of 4246 pipelines, sorted by name. The filters below apply to this page.
| Countries | Segments | |||||
|---|---|---|---|---|---|---|
| Great Basin Gas Transmission Company Pipeline SystemNevada → Nevada | United States | Operating | 1,448 km | Not reported | 1 | 1988 |
| Great Basin Gas Transmission Company Pipeline SystemNevada → Nevada | United States | Proposed | 5.5 km | Not reported | 1 | — |
| Great Basin Gas Transmission Company Pipeline SystemNevada → Nevada | United States | Proposed | 52 km | Not reported | 1 | 2027 |
| Great Basin Gas Transmission Company Pipeline SystemNevada → Nevada | United States | Proposed | 3.7 km | 0.08 bcm/y | 1 | — |
| Great Basin Gas Transmission Company Pipeline SystemNevada → Nevada | United States | Proposed | 0 km | 12.8 bcm/y | 1 | — |
| Great Lakes Gas Transmission Pipeline | Canada, United States | Operating | 3,404 km | 24.5 bcm/y | 1 | 1967 |
| Greater Philadelphia Expansion ProjectPennsylvania → Pennsylvania | United States | Shelved | 56 km | 4.85 bcm/y | 1 | 2021 |
| Greece-Italy Interconnector Gas Pipeline | Greece, Italy | Operating | 800 km | Not reported | 1 | 2010 |
| Green Hysland PipelinePalma → Mallorca | Spain | Operating | 3.2 km | Not reported | 1 | 2024 |
| Greenstream Gas Pipeline | Libya, Italy | Operating | 520 km | 0.2 bcm/y | 1 | 2004 |
| Grenada to Trinidad and Tobago Gas Pipeline | Grenada, Trinidad and Tobago | Cancelled | 165 km | Not reported | 1 | — |
| Gresik-Batam-Singapore Gas Pipeline | Indonesia, Singapore | Operating | 468 km | 4.75 bcm/y | 1 | 2003 |
| Gresik-PKG Looping Gas PipelineEast Java → East Java | Indonesia | Operating | 4.7 km | 1.02 bcm/y | 1 | 2017 |
| Gresik-Pusri Gas PipelineSouth Sumatra → South Sumatra | Indonesia | Operating | 176 km | 1.64 bcm/y | 1 | 2019 |
| Gresik-Semarang Gas Pipeline | Indonesia | Operating | 275 km | 3.37 bcm/y | 1 | 2022 |
| Groningen-Rotterdam Pipeline | Netherlands | Operating | 245 km | Not reported | 1 | — |
| Gryazovets-Leningrad Gas Pipeline | Russia | Operating | 609 km | 9.7 bcm/y | 1 | 1979 |
| Gryazovets-Leningrad Gas Pipeline | Russia | Operating | 609 km | Not reported | 1 | 1991 |
| Gryazovets-Ring of the Moscow region (KGMO) Gas PipelineVologda Oblast → Moscow Oblast | Russia | Operating | 498 km | Not reported | 1 | — |
| Gryazovets-Volkhov Gas PipelineVologda Oblast → Leningrad Oblast | Russia | Under construction | 602 km | Not reported | 1 | 2023 |
| Gryazovets-Volkhov-Slavyanskaya Gas PipelineVologda Oblast → Leningrad Oblast | Russia | Operating | 880 km | 84.2 bcm/y | 1 | 2022 |
| Gryazovets-Vyborg Gas PipelineVologda Oblast → Leningrad | Russia | Operating | 917 km | 55 bcm/y | 1 | 2011 |
| Gryazovets-Vyborg Gas PipelineVologda Oblast → Leningrad | Russia | Operating | 680 km | 55 bcm/y | 1 | 2012 |
| Guadalajara Gas PipelineColima → Jalisco | Mexico | Operating | 313 km | 8.79 bcm/y | 1 | 2011 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 59 km | 8 bcm/y | 1 | 2024 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 167 km | 5.74 bcm/y | 1 | 2023 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 155 km | 3.65 bcm/y | 1 | 2024 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 89 km | 0.3 bcm/y | 1 | 2020 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 171 km | 5.3 bcm/y | 1 | 2021 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 151 km | 1.27 bcm/y | 1 | 2020 |
| Guangdong East Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 59 km | 8 bcm/y | 1 | 2024 |
| Guangdong Energy Group Yunhe Gas Pipeline | China | Operating | 39 km | 2.47 bcm/y | 1 | 2024 |
| Guangdong Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 115 km | 14 bcm/y | 1 | 2024 |
| Guangdong Gas Pipeline NetworkGuangdong → Guangdong | China | Under construction | 62 km | 1.1 bcm/y | 1 | — |
| Guangdong Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 64 km | 10.7 bcm/y | 1 | 2020 |
| Guangdong Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 16 km | 5 bcm/y | 1 | — |
| Guangdong Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 16 km | 5 bcm/y | 1 | 2024 |
| Guangdong North Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 236 km | 4.5 bcm/y | 1 | 2021 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 42 km | 16 bcm/y | 1 | 2012 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 167 km | Not reported | 1 | 2012 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 167 km | Not reported | 1 | 2012 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 92 km | Not reported | 1 | 2012 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 23 km | 0.47 bcm/y | 1 | 2014 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 24 km | 0.05 bcm/y | 1 | 2014 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 23 km | 12 bcm/y | 1 | 2014 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 159 km | 9 bcm/y | 1 | 2014 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 61 km | 1.75 bcm/y | 1 | — |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 189 km | 0.31 bcm/y | 1 | — |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 91 km | 0.45 bcm/y | 1 | — |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 69 km | 0.87 bcm/y | 1 | 2023 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 93 km | 0.15 bcm/y | 1 | — |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 59 km | 0.16 bcm/y | 1 | 2022 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 124 km | 9 bcm/y | 1 | 2022 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 52 km | 0.82 bcm/y | 1 | 2022 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 161 km | 0.15 bcm/y | 1 | — |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Under construction | 98 km | 4.6 bcm/y | 1 | 2023 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 75 km | 1.8 bcm/y | 1 | 2020 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 441 km | 10.3 bcm/y | 1 | 2006 |
| Guangdong Pearl River Delta gas pipeline networkGuangdong → Guangdong | China | Operating | 22 km | Not reported | 1 | 2024 |
| Guangdong West Gas Pipeline NetworkGuangxi → Guangdong | China | Operating | 156 km | 4 bcm/y | 1 | 2021 |
| Guangdong West Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 43 km | 6.67 bcm/y | 1 | 2025 |
| Guangdong West Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 170 km | 2.69 bcm/y | 1 | 2020 |
| Guangdong West Gas Pipeline NetworkGuangdong → Guangdong | China | Cancelled | 54 km | Not reported | 1 | — |
| Guangdong West Gas Pipeline NetworkGuangdong → Guangdong | China | Shelved | 80 km | Not reported | 1 | — |
| Guangdong West Gas Pipeline NetworkGuangdong → Guangdong | China | Operating | 43 km | 1.42 bcm/y | 1 | 2022 |
| Guangdong-Macao Natural Gas Pipeline NetworkGuangdong → Macao | China | Operating | 13 km | 0.52 bcm/y | 1 | 2008 |
| Guangdong-Macao Natural Gas Pipeline NetworkMacao → Macao | China | Operating | 2 km | 0.1 bcm/y | 1 | 2023 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 141 km | 1.44 bcm/y | 1 | 2014 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 92 km | 0.36 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Under construction | 83 km | 0.85 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Shelved | 100 km | 0.22 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 106 km | 0.84 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Under construction | 162 km | 0.94 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 148 km | 0.19 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 120 km | 0.45 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Under construction | 60 km | 0.59 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 114 km | 0.52 bcm/y | 1 | 2022 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 70 km | 0.21 bcm/y | 1 | 2023 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 28 km | 0.07 bcm/y | 1 | 2024 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 20 km | 0.85 bcm/y | 1 | 2023 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 8 km | Not reported | 1 | 2023 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 8.9 km | 0.67 bcm/y | 1 | 2020 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 45 km | 0.42 bcm/y | 1 | 2021 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 27 km | 0.29 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Shelved | 723 km | Not reported | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 61 km | 0.03 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 40 km | Not reported | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 100 km | 0.17 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 723 km | Not reported | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 30 km | 4 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 12 km | 1.76 bcm/y | 1 | 2024 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 723 km | Not reported | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 27 km | 0.37 bcm/y | 1 | 2017 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 31 km | 0.11 bcm/y | 1 | 2022 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Operating | 50 km | 0.44 bcm/y | 1 | 2025 |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Cancelled | 63 km | 0.1 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 33 km | 0.11 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 29 km | 0.04 bcm/y | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Proposed | 97 km | Not reported | 1 | — |
| Guangxi Gas Pipeline NetworkGuangxi → Guangxi | China | Under construction | 64 km | 0.3 bcm/y | 1 | — |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Operating | 207 km | 3.3 bcm/y | 1 | 2022 |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Proposed | 244 km | Not reported | 1 | — |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Cancelled | 78 km | Not reported | 1 | — |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Operating | 29 km | Not reported | 1 | 2013 |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Operating | 156 km | 2.5 bcm/y | 1 | 2023 |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Cancelled | 63 km | Not reported | 1 | — |
| Guangxi LNG Terminal Transport PipelineGuangxi → Guangxi | China | Operating | 684 km | 4 bcm/y | 1 | 2013 |
| Guangxi LNG Terminal Transport PipelineGuangxi → Yunnan | China | Under construction | 344 km | 1 bcm/y | 1 | — |
| Guardian Gas PipelineIllinois → Wisconsin | United States | Operating | 229 km | 7.67 bcm/y | 1 | 2002 |
| Guaymas-El Oro PipelineSonora → Sinaloa | Mexico | Idle | 331 km | 5.3 bcm/y | 1 | 2017 |
| Gudrun Gas PipelineNorth Sea → North Sea | Norway | Operating | 55 km | Not reported | 1 | 2014 |
| Guitiriz-Lugo Gas Pipeline | Spain | Operating | 28 km | Not reported | 1 | 2012 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 206 km | 0.95 bcm/y | 1 | 2021 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 12 km | 0.73 bcm/y | 1 | 2023 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 15 km | 0.15 bcm/y | 1 | 2023 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 146 km | 4 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 7,090 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 52 km | 0.5 bcm/y | 1 | 2022 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 115 km | 2.6 bcm/y | 1 | 2022 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 51 km | 0.44 bcm/y | 1 | 2024 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 222 km | 3.5 bcm/y | 1 | 2023 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Shelved | 452 km | 3 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 67 km | 0.76 bcm/y | 1 | 2021 |
| Guizhou Gas Pipeline NetworkChongqing → Guizhou | China | Proposed | 90 km | 0.5 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 115 km | 1.09 bcm/y | 1 | 2024 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Shelved | 180 km | 3 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Hunan | China | Shelved | 20 km | 2 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 73 km | 0.98 bcm/y | 1 | 2022 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 275 km | 3 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 55 km | 0.25 bcm/y | 1 | 2018 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 90 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 57 km | 1.5 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 61 km | 0.83 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 125 km | Not reported | 1 | 2020 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Cancelled | 80 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 393 km | 0.83 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 53 km | 0.01 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 103 km | 0.34 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 73 km | 0.34 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 100 km | 0.25 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 62 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 68 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 68 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Cancelled | 70 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 79 km | 0.1 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 110 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 170 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 80 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 74 km | 18 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 91 km | 33.9 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Operating | 311 km | 1.1 bcm/y | 1 | 2019 |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Not reported | 3,147 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Shelved | 108 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 45 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 35 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 31 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 10 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Cancelled | 27 km | 0.08 bcm/y | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Proposed | 33 km | Not reported | 1 | — |
| Guizhou Gas Pipeline NetworkGuizhou → Guizhou | China | Under construction | 30 km | 3.67 bcm/y | 1 | — |
| Gujarat Regional Gas Network | India | Operating | 609 km | 3.03 bcm/y | 1 | — |
| Gujrat-Jhelum Gas PipelinePunjab → Punjab | Pakistan | Operating | 54 km | Not reported | 1 | — |
| Gulf Coast Express PipelineTexas → Texas | United States | Operating | 801 km | 20.2 bcm/y | 1 | 2019 |
| Gulf Coast Express PipelineTexas → Texas | United States | Under construction | 0 km | 5.83 bcm/y | 1 | 2026 |
| Gulf Coast Southbound PipelineIllinois → Louisiana | United States | Under construction | 0 km | 2.66 bcm/y | 1 | 2026 |
| Gulf Coast Southbound PipelineIllinois → Louisiana | United States | Operating | 2,227 km | 4.7 bcm/y | 1 | 2017 |
| Gulf Coast Southbound PipelineIllinois → Inidiana | United States | Operating | 2.3 km | 0.72 bcm/y | 1 | 2021 |
| Gulf Coast Southbound PipelineIllinois → Louisiana | United States | Operating | 0 km | 3.07 bcm/y | 1 | 2021 |
| Gulf Coast Southbound PipelineTexas → Texas | United States | Operating | 27 km | 5.11 bcm/y | 1 | 2020 |
| Gulf Crossing PipelineTexas → Louisiana | United States | Operating | 568 km | 17.6 bcm/y | 1 | 2009 |
| Gulf Run PipelineLouisiana → Louisiana | United States | Operating | 217 km | 16.9 bcm/y | 1 | 2022 |
| Gulf South Gas PipelineTexas → Louisiana, Alabama, Mississippi, Florida | United States | Operating | 12,070 km | 27.6 bcm/y | 1 | 2008 |
| Gulf South Gas PipelineTexas → Texas | United States | Operating | 105 km | 14.5 bcm/y | 1 | 2018 |
| Gulf South Gas Pipeline | United States | Operating | 35 km | 5.11 bcm/y | 1 | 2020 |
| Gulf South Gas PipelineMississippi → Mississippi | United States | Operating | 0 km | 0.49 bcm/y | 1 | 2021 |
| Gulf South Gas PipelineTexas → Texas | United States | Operating | 31 km | 2.04 bcm/y | 1 | 2020 |
| Gulf South Gas PipelineMississippi → Mississippi | United States | Operating | 5.5 km | 2.04 bcm/y | 1 | 2021 |
| Gulf South Gas PipelineMississippi → Alabama | United States | Operating | 179 km | 13 bcm/y | 1 | 2008 |
| Gulf South Gas PipelineLouisiana → Mississippi | United States | Operating | 391 km | 17.4 bcm/y | 1 | 2008 |
| Gulf South Gas PipelineMississippi → Mississippi | United States | Operating | 29 km | 10.2 bcm/y | 1 | 2008 |
| Gulf South Gas PipelineLouisiana → Louisiana | United States | Operating | 26 km | 7.51 bcm/y | 1 | 1997 |
| Gulf South Gas PipelineLouisiana → Louisiana | United States | Operating | 0 km | 5.68 bcm/y | 1 | 2010 |
| Gulf South Gas PipelineMississippi → Alabama | United States | Operating | 113 km | 5.22 bcm/y | 1 | 2014 |
| Gulf South Gas PipelineMississippi → Alabama | United States | Operating | 0 km | 2.56 bcm/y | 1 | 2008 |
| Gulf South Gas PipelineAlabama → Alabama | United States | Operating | 47 km | 2.41 bcm/y | 1 | 2002 |
| Gulf South Gas PipelineLouisiana → Louisiana | United States | Operating | 0.5 km | 2.04 bcm/y | 1 | 2019 |
| Gulf South Gas PipelineLouisiana → Louisiana | United States | Proposed | 3.2 km | 2.41 bcm/y | 1 | 2028 |
| Gulf South Gas PipelineLouisiana → Louisiana | United States | Proposed | 0 km | 1.23 bcm/y | 1 | 2027 |
| Gulf South Gas PipelineMississippi → Mississippi | United States | Proposed | 177 km | 15.3 bcm/y | 1 | 2029 |
| Gulf South Gas PipelineMississippi → Louisiana | United States | Proposed | 0 km | 2.86 bcm/y | 1 | — |
| Gulf Xpress PipelineWest Virginia → Mississippi | United States | Operating | 0 km | 8.94 bcm/y | 1 | 2019 |
| Gulf of Guinea Gas Pipeline | Nigeria, Equatorial Guinea | Proposed | 200 km | Not reported | 1 | — |
| Gulfstream Natural Gas PipelineAlabama → Florida | United States | Operating | 1,199 km | 13.4 bcm/y | 1 | 2002 |
| Gulfstream Natural Gas Pipeline | United States | Under construction | 6.4 km | 0.8 bcm/y | 1 | 2022 |
| Gunma Trunk Line Gas Pipeline | Japan | Operating | 15 km | Not reported | 1 | 2010 |
| Gurdaspur-Jammu Gas PipelinePunjab → Jammu and Kashmir | India | Under construction | 175 km | 0.73 bcm/y | 1 | 2026 |
| Gurguri-Kohat Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 78 km | Not reported | 1 | — |
| Gustorzyn-Wronów Gas Pipeline | Poland | Operating | 308 km | Not reported | 1 | 2023 |
| Gänserndorf-Simmering Gas PipelineLower Austria → Lower Austria | Austria | Operating | 120 km | Not reported | 1 | 2011 |
| Gördes-Gölhisar Gas Pipeline | Türkiye | Operating | 140 km | Not reported | 1 | 2018 |
| H2Med Pipeline | Spain, France | Proposed | 450 km | 2.72 bcm/y | 1 | 2029 |
| HQ2-Tando Adam Gas PipelineSindh → Sindh | Pakistan | Operating | 81 km | 0.87 bcm/y | 1 | — |
| Habiganj-Ashuganj Gas Pipeline | Bangladesh | Operating | 58 km | 0.87 bcm/y | 1 | 2005 |
| Habshan-Maqta-Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 43 km | 0.1 bcm/y | 1 | 2013 |
| Habshan-Maqta-Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 10 km | 0.1 bcm/y | 1 | 2014 |
| Habshan-Maqta-Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 122 km | 0.1 bcm/y | 1 | 2014 |
| Habshan-Maqta-Taweelah Gas PipelineAbu Dhabi → Abu Dhabi | United Arab Emirates | Operating | 122 km | 0.1 bcm/y | 1 | 2014 |
| Had S'hari Gas Pipeline | Algeria | Operating | 42 km | Not reported | 1 | 2008 |
| Hadjret Ennous Gas PipelineTipaza → Tipaza | Algeria | Operating | 39 km | Not reported | 1 | 2014 |
| Hainan Gas Pipeline NetworkHainan → Hainan | China | Operating | 113 km | 3.8 bcm/y | 1 | 2016 |
| Hainan Gas Pipeline NetworkHainan → Hainan | China | Cancelled | 293 km | 4.65 bcm/y | 1 | 2021 |
| Hainan Gas Pipeline NetworkHainan → Hainan | China | Operating | 637 km | 2.6 bcm/y | 1 | 1996 |
| Hainan Gas Pipeline NetworkHainan → Hainan | China | Operating | 289 km | 1.5 bcm/y | 1 | 2021 |
| Hainan Gas Pipeline NetworkHainan → Guangdong | China | Proposed | 297 km | Not reported | 1 | — |
| Hainan Gas Pipeline NetworkHainan → Guangdong | China | Cancelled | 265 km | 10 bcm/y | 1 | — |
| Hajduszoboszlo–Nemesbikk Gas Pipeline | Hungary | Operating | 58 km | Not reported | 1 | — |
| Hajduszoboszlo–Varosfoeld Gas Pipeline | Hungary | Operating | 155 km | Not reported | 1 | — |
| Hajigabul-Gazakh-Saguramo Pipeline | Azerbaijan, Georgia | Operating | 478 km | 8.7 bcm/y | 1 | 2006 |
| Hajigabul-Shirvanovka-Mozdok Pipeline | Russia, Azerbaijan | Operating | 680 km | 10 bcm/y | 1 | 1982 |
| Hajiqabul–Astara–Abadan Gas PipelineHajiqabul → Khuzestan | Azerbaijan, Iran | Operating | 1,475 km | 10 bcm/y | 1 | 1970 |
| Hakata Trunk LineFukuoka → Fukuoka | Japan | Operating | 3.8 km | Not reported | 1 | 1987 |
| Hakkari Gas Pipeline | Türkiye | Operating | 204 km | Not reported | 1 | 2019 |
| Hakodate Trunk lineHokkaido → Hokkaido | Japan | Operating | 8.8 km | Not reported | 1 | 2007 |
| Halmstad-Gilaved Gas Pipeline | Sweden | Operating | 81 km | Not reported | 1 | — |
| Halmstad–Gilaved Gas Pipeline | Sweden | Operating | 41 km | Not reported | 1 | — |
| Haltenpipe Gas PipelineNorwegian Sea → Møre og Romsdal | Norway | Operating | 250 km | 1.72 bcm/y | 1 | 1996 |
| Hannibal GP–Ben Sahloun Gas Pipeline | Tunisia | Operating | 20 km | Not reported | 1 | 2009 |
| Haoudh El Hamra-Arzew Gas PipelineOuargla → Oran | Algeria | Operating | 795 km | Not reported | 1 | — |
| Haradh Khuff-Hawiyah 2 Gas Pipeline | Saudi Arabia | Operating | 43 km | Not reported | 1 | — |
| Haradh Khuff-Hawiyah 3 Gas Pipeline | Saudi Arabia | Operating | 43 km | Not reported | 1 | — |
| Haradh Khuff-Hawiyah Gas Pipeline | Saudi Arabia | Operating | 43 km | Not reported | 1 | — |
| Haradh-3-Uthmaniya Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 124 km | Not reported | 1 | 2006 |
| Haradh-Uthmaniya Gas PipelineEastern Province → Eastern Province | Saudi Arabia | Operating | 140 km | Not reported | 1 | 2006 |
| Harbin-Shenyang Gas PipelineHeilongjiang → Liaoning | China | Operating | 555 km | Not reported | 1 | 2015 |
| Haridwar-Rishikesh-Dehradun Gas PipelineUttarakhand → Uttarakhand | India | Operating | 50 km | Not reported | 1 | 2023 |
| Harima Nishi Coastal Line | Japan | Operating | 7 km | Not reported | 1 | 1986 |
| Haripur-Mansehra Gas PipelineKhyber Pakhtunkhwa → Khyber Pakhtunkhwa | Pakistan | Operating | 71 km | Not reported | 1 | — |
| Haripur-NGFF Gas Pipeline | Bangladesh | Operating | 43 km | 0.63 bcm/y | 1 | 1961 |
| Hasbah-Wasit Gas Pipelines | Saudi Arabia | Operating | 80 km | 0.01 bcm/y | 1 | 2017 |
| Hasbah-Wasit Gas Pipelines | Saudi Arabia | Operating | 80 km | 0.01 bcm/y | 1 | 2017 |
| Hassan-Sui Gas PipelineSindh → Balochistan | Pakistan | Operating | 58 km | 0.31 bcm/y | 1 | — |
| Hassel-Westen Gas PipelineLower Saxony → Lower Saxony | Germany | Proposed | 8 km | Not reported | 1 | 2032 |
| Hassi R'Mel-Arzew Gas PipelineLaghouat → Oran | Algeria | Operating | 509 km | 6.67 bcm/y | 1 | 1961 |
| Hassi R'Mel-Arzew Gas PipelineLaghouat → Oran | Algeria | Operating | 507 km | 40.6 bcm/y | 1 | 1976 |
| Hassi R'Mel-Arzew Gas PipelineLaghouat → Oran | Algeria | Operating | 511 km | 40.6 bcm/y | 1 | 1982 |
| Hassi R'Mel-Arzew Gas PipelineLaghouat → Oran | Algeria | Operating | 511 km | 40.6 bcm/y | 1 | 1989 |
| Hassi R'Mel-Arzew Gas PipelineLaghouat → Oran | Algeria | Operating | 513 km | 11.3 bcm/y | 1 | 1987 |
| Hassi R'Mel-El Aricha Gas PipelineLaghouat → Tlemcen | Algeria | Operating | 521 km | 11.5 bcm/y | 1 | — |
| Hassi R'Mel-Isser Gas PipelineLaghouat → Boumerdès | Algeria | Operating | 436 km | 11.3 bcm/y | 1 | 1981 |
| Hassi R'Mel-Skikda Gas PipelineLaghouat → Skikda | Algeria | Operating | 575 km | 20.5 bcm/y | 1 | 1971 |
| Hassi R'Mel-Skikda II Gas PipelineLaghouat → Skikda | Algeria | Operating | 575 km | 20.5 bcm/y | 1 | 2001 |
| Hassi R'Mel-Skikda-El Kala Gas Pipeline | Algeria | Operating | 432 km | 9 bcm/y | 1 | 2013 |
| Hassi R'Mel-Skikda-El Kala Gas Pipeline | Algeria | Operating | 267 km | Not reported | 1 | 2012 |
| Hassi R'Mel-Skikda-El Kala Gas Pipeline | Algeria | Operating | 87 km | Not reported | 1 | 2012 |
| Hatikumrul-Bheramara Gas Pipeline | Bangladesh | Operating | 84 km | 4.09 bcm/y | 1 | 2016 |
| Hatikumrul-Bogra Gas Pipeline | Bangladesh | Operating | 54 km | 2.56 bcm/y | 1 | 2006 |
| Hawiyah-UBTG-1-km0 Gas Pipeline | Saudi Arabia | Operating | 56 km | Not reported | 1 | — |
| Hawiyah-Uthmniyah Gas PipelineMakkah → Eastern Province | Saudi Arabia | Operating | 47 km | Not reported | 1 | — |
| Haynesville Global Access PipelineLouisiana → Louisiana | United States | Cancelled | 258 km | 20.4 bcm/y | 1 | 2023 |
| Hazaribagh-Ranchi Gas PipelineJharkhand → Jharkhand | India | Under construction | 65 km | 0.38 bcm/y | 1 | 2026 |
| Hazira-Ankleshwar Gas PipelineSurat → Bharuch | India | Operating | 73 km | 1.85 bcm/y | 1 | 1999 |
| Hazira-Vijaipur-Jagdishpur (HVJ) Gas PipelineGujarat → Madhya Pradesh | India | Operating | 2,887 km | 39.1 bcm/y | 1 | 1997 |
| Head Balloki-MP 59.91 Gas PipelinePunjab → Punjab | Pakistan | Operating | 52 km | Not reported | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 134 km | 14.7 bcm/y | 1 | 2013 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 108 km | 5 bcm/y | 1 | 2021 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Shelved | 46 km | 1 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 99 km | 5.1 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Shandong | China | Operating | 212 km | 1.05 bcm/y | 1 | 2002 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 82 km | 6.97 bcm/y | 1 | 2022 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Under construction | 100 km | 3.86 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 85 km | 0.87 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkShanxi → Hebei | China | Operating | 254 km | 0.47 bcm/y | 1 | 2011 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 361 km | 1.5 bcm/y | 1 | 2002 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 102 km | 1.51 bcm/y | 1 | 2022 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 26 km | 0.8 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 82 km | 0.8 bcm/y | 1 | 2023 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 352 km | 1.58 bcm/y | 1 | 2022 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 49 km | 0.8 bcm/y | 1 | 2022 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 70 km | 1.4 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 244 km | 5 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 135 km | 0.32 bcm/y | 1 | 2015 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 146 km | 0.5 bcm/y | 1 | 2019 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 23 km | 0.23 bcm/y | 1 | 2019 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Proposed | 101 km | 0.49 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 39 km | Not reported | 1 | 2012 |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 43 km | Not reported | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 46 km | 0.4 bcm/y | 1 | — |
| Hebei Gas Pipeline NetworkHebei → Hebei | China | Operating | 35 km | 3.3 bcm/y | 1 | — |
| Hebei Gas pipeline NetworkHebei → Hebei | China | Operating | 288 km | 22.4 bcm/y | 1 | 2023 |
| Hebei Gas pipeline NetworkHebei → Hebei | China | Operating | 185 km | 0.94 bcm/y | 1 | 2019 |
| Hebei-Nanjing Connecting Gas PipelineJiangsu → Hebei | China | Operating | 886 km | 9 bcm/y | 1 | 2005 |
| Hebei–Nanjing Connecting Gas PipelineJiangsu → Jiangsu | China | Operating | 284 km | 1.35 bcm/y | 1 | 2010 |
| Hebei–Nanjing Connecting Gas PipelineJiangsu → Jiangsu | China | Operating | 142 km | 0.44 bcm/y | 1 | 2006 |
| Hebei–Nanjing Connecting Gas PipelineJiangsu → Jiangsu | China | Operating | 55 km | 1.18 bcm/y | 1 | 2007 |
| Heera-Uran Trunk Line (HUT)Offshore India → Maharashtra | India | Operating | 80 km | 5.84 bcm/y | 1 | 1990 |
| Heidenau-Quarnstedt Gas Pipeline | Germany | Operating | 70 km | Not reported | 1 | — |
| Heidrun Gas Export PipelineNorth Sea → North Sea | Norway | Operating | 37 km | 4.02 bcm/y | 1 | 2001 |
| Heilongjiang Natural Gas Pipeline NetworkHeilongjiang → Heilongjiang | China | Operating | 156 km | 0.82 bcm/y | 1 | 2008 |
| Heilongjiang Natural Gas Pipeline NetworkHeilongjiang → Heilongjiang | China | Cancelled | 306 km | Not reported | 1 | — |
| Heilongjiang Natural Gas Pipeline NetworkHeilongjiang → Heilongjiang | China | Cancelled | 271 km | Not reported | 1 | — |
Length is GEM's reported figure where given. When every segment of a project repeats the same figure it is counted once, not summed; see methodology.