Browse the atlas
OverWatts AtlasCountriesOwnersInsightsWireChangesSources Live map
Asset classes
- Transmission Line80,968
- Power Plant32,429
- Substation / Converter7,614
- Oil & Gas Field7,055
- Coal / Uranium Mine5,382
- Pipeline4,951
- Cement Plant3,513
- Data Centre3,283
- Iron & Steel Plant1,293
- LNG Terminal1,198
- Grid Storage965
- Iron Ore Mine949
- Chemical Plant868
- Interconnector704
- Export Terminal519
- Refinery279
- Storage / Tank Farm38
- Oil / Commodity Contract19
- Hydrogen Project18
- Carbon Capture (CCS)16
Chokepoints
Asset class
Pipeline
OverWatts maps 5,038 pipelines across 110 countries. China holds the most — 1,108, 22% of the world total, ahead of United States (620).
The largest owner-operators worldwide are Gazprom PJSC (284), Snam Rete Gas SpA (120) and Enbridge (89). Half of the world's pipelines in service predate 2009 (median commissioning year of the 2,780 with a known date), 873 came online in the past decade and the oldest still listed is Southern Star Central Gas Pipeline, dating from 1904. 792 more are under construction or proposed, the biggest being Alaska LNG Pipeline (AKLNG).
5,038
Pipeline
110
Countries
1,108
Most · China
792
In construction / proposed
Biggest owners & operators worldwide
- Gazprom PJSC284 6%
- Snam Rete Gas SpA120 2%
- Enbridge89 2%
- Transneft86 2%
- Libyan National Oil Corporation65 1%
- National Iranian Oil Company61 1%
- National Pipe Network Group North Pipeline Co.59 1%
- Saudi Aramco58 1%
Counts an asset once per company named as its owner or operator; a joint venture counts for each partner.
When they were built
- 1900s1
- 1920s4
- 1930s3
- 1940s14
- 1950s60
- 1960s155
- 1970s212
- 1980s221
- 1990s284
- 2000s492
- 2010s825
- 2020s509
Median commissioning year 2009 · 2,780 of 5,038 carry a start date
Largest under construction & proposed
- Alaska LNG Pipeline (AKLNG)proposed
- Delfin Offshore Pipelineproposed
- Driftwood LNG Pipeline — Mainline Pipelineproposed
- FortisBC Pipeline — Eagle Mountain-Woodfibre Gas Pipelineconstruction
- Gator Express Gas Pipeline — Phase Iconstruction
- Port Arthur Gas Pipeline — Louisiana Connectorproposed
- Prince Rupert Gas Transmission Pipelineconstruction
- Rio Bravo Pipeline Projectproposed
- Buncombe County Pipelineconstruction
- Interoceanic Corridor Gas Pipelineproposed
- Liza Gas Pipelineconstruction
- IGAT 11 Gas Pipelineconstruction
Pipeline by country
- China1,108
- United States620
- Russia358
- Australia158
- Italy135
- Japan93
- Brazil93
- India90
- Canada88
- Germany87
- Iran86
- Argentina69
- Pakistan67
- Mexico65
- Iraq64
- Libya63
- Bangladesh63
- Colombia61
- Saudi Arabia56
- Qatar55
- Algeria51
- Spain51
- Indonesia50
- Poland47
- Kazakhstan45
- Nigeria40
- United Kingdom36
- Thailand36
- United Arab Emirates32
- Norway32
- Venezuela32
- Egypt31
- Bulgaria29
- Netherlands29
- Oman26
- Bolivia26
- Ukraine25
- Turkey23
- Romania22
- Ireland18
- Croatia16
- Azerbaijan15
- Uzbekistan13
- Serbia13
- Philippines12
- France12
- Georgia12
- Austria11
- Vietnam11
- South Africa11
- Peru10
- Hungary10
- Greece10
- Belarus10
- Czech Republic9
- Turkmenistan8
- Taiwan8
- Slovenia8
- Angola7
- Portugal7
Frequently asked
- How many pipelines are there in the world?
- OverWatts maps 5,038 pipelines across 110 countries, from open datasets.
- Which country has the most pipelines?
- China, with 1,108 — 22% of the world total. Then United States (620) and Russia (358).
- Who owns the most pipelines?
- Gazprom PJSC is named as owner or operator on 284 of them, ahead of Snam Rete Gas SpA (120), Enbridge (89) and Transneft (86).