The Iran Gas Trunkline (IGAT) is a series of large diameter pipelines constructed from gas refineries in the south of Iran (

Khuzestan Khuzestan province () is one of the 31 Provinces of Iran. Located in the southwest of the country, the province borders Iraq and the Persian Gulf, covering an area of . Its capital is the city of Ahvaz. Since 2014, it has been part of Iran's ...

and

Bushehr Bushehr (; ) is a port city in the Central District (Bushehr County), Central District of Bushehr County, Bushehr province, Bushehr province, Iran, serving as capital of the province, the county, and the district. Etymology The roots of the n ...

provinces) in order to transfer

natural gas Natural gas (also fossil gas, methane gas, and gas) is a naturally occurring compound of gaseous hydrocarbons, primarily methane (95%), small amounts of higher alkanes, and traces of carbon dioxide and nitrogen, hydrogen sulfide and helium ...

to consumption centers across the country. As of 2024, there are ten trunklines in operation and one under construction

History

IGAT1 was completed in October 1970, supplying gas to the

Southern Caucasus The South Caucasus, also known as Transcaucasia or the Transcaucasus, is a geographical region on the border of Eastern Europe and West Asia, straddling the southern Caucasus Mountains. The South Caucasus roughly corresponds to modern Armenia, ...

republics of the Soviet Union. In 1975 the

National Iranian Gas Company The National Iranian Gas Company (NIGC) was established in 1965 as one of the four principal company, companies affiliated to the Ministry of Petroleum of Iran, Ministry of Petroleum of the Islamic Republic of Iran with 25,000 million Iranian ...

concluded agreements with

Ruhrgas Ruhrgas AG (original name: Aktiengesellschaft für Kohleverwertung; later: E.ON Ruhrgas) was the largest natural gas transportation and trading company based in Essen, Germany. The company was founded in 1926 and it finally ceased to exist on 2 Ma ...

Gaz de France Gaz de France (GDF) was a French company which produced, transported and sold natural gas around the world, especially in France, its main market. The company was also particularly active in Belgium, the United Kingdom, Germany, and other Europea ...

, the Soviet Union, and Austria's OMV, to supply gas to Western Europe via a proposed IGAT2. Under the arrangement, Iran was to supply additional gas to the Soviet Union, while the Soviet Union was to supply gas to Czechoslovakia from its own gas fields in Siberia. Construction of IGAT2 was halted following the

Iranian revolution The Iranian Revolution (, ), also known as the 1979 Revolution, or the Islamic Revolution of 1979 (, ) was a series of events that culminated in the overthrow of the Pahlavi dynasty in 1979. The revolution led to the replacement of the Impe ...

Main transmission lines

* IGAT1, in diameter, was constructed between Bid Boland Refinery in

Khūzestān Province Khuzestan province () is one of the 31 Provinces of Iran. Located in the southwest of the country, the province borders Iraq and the Persian Gulf, covering an area of . Its capital is the city of Ahvaz. Since 2014, it has been part of Iran's ...

and Astara in North. * IGAT2, in diameter, was constructed between fajr jam Refinery in

Bushehr province Bushehr Province () is one of the 31 Provinces of Iran, provinces of Iran. It is in the south of the country, with a long coastline on the Persian Gulf. Its capital is the city of Bushehr. The province was made a part of Regions of Iran, Re ...

and

Qazvin Qazvin (; ; ) is a city in the Central District (Qazvin County), Central District of Qazvin County, Qazvin province, Qazvin province, Iran, serving as capital of the province, the county, and the district. It is the largest city in the provi ...

in north. * IGAT3, in diameter, was constructed between

Asalouyeh Asaluyeh () is a city in the Central District of Asaluyeh County, Bushehr province, Iran, serving as capital of both the county and the district. It is also the administrative center for Asaluyeh Rural District. Demographics Population At ...

and Central Province and ultimately to north west of the country. * IGAT4, in diameter, transfers natural gas produced in South Pars phases 1 to 5 from Asalouyeh to Fars and

Isfahan Isfahan or Esfahan ( ) is a city in the Central District (Isfahan County), Central District of Isfahan County, Isfahan province, Iran. It is the capital of the province, the county, and the district. It is located south of Tehran. The city ...

provinces. * IGAT5, in diameter, transfers sour gas produced in phases 6, 7 and 8 to Khūzestān Province to be injected into the oil wells. * IGAT6, in diameter, transfers natural gas produced in

South Pars The South Pars/North Dome field is a natural-gas condensate field located in the Persian Gulf. It is by far the world's largest natural gas field, IEA, World Energy Outlook 2008 - Chapter 12 - Natural gas resources and production prospects, p.29 ...

phases 6 to 10 from Asalouyeh to Khūzestān Province to be consumed there, in the west of the country, and in Iraq. See also: Iran-Iraq-Syria pipeline * IGAT7, in diameter, interconnects east of Asalouyeh to Hormozgān Province and Sar-Khoon Refinery and transfers natural gas produced in South Pars to Hormozgān,

Sistan Sistān (), also known as Sakastān (, , current name: Zabol) and Sijistan (), is a historical region in south-eastern Iran and extending across the borders of present-day south-western Afghanistan, and south-western Pakistan. Mostly correspond ...

, Baluchestan and

Kermān Kerman (; ) is a city in the Central District of Kerman County, Kerman province, Iran, serving as capital of the province, the county, and the district. History Kerman was founded as a defensive outpost, with the name Veh-Ardashir, by Ard ...

provinces. * IGAT8, in diameter, originates in east of Asalouyeh and passes by Parsian Refinery in Fars Province onto Isfahan province and then to Qom province. * IGAT9 (Europe Gas Export Line), in diameter, originates in east of Asalouyeh and passes by western provinces (Khūzestān, Īlām,

Kurdistan Kurdistan (, ; ), or Greater Kurdistan, is a roughly defined geo- cultural region in West Asia wherein the Kurds form a prominent majority population and the Kurdish culture, languages, and national identity have historically been based. G ...

and

Azerbaijan Azerbaijan, officially the Republic of Azerbaijan, is a Boundaries between the continents, transcontinental and landlocked country at the boundary of West Asia and Eastern Europe. It is a part of the South Caucasus region and is bounded by ...

) and reaches Turkey's border. *IGAT10 The pipeline runs from Khuzestan and Bushehr Provinces in the south of Iran to the northern part of the country.It has an estimated transport capacity of 2,472.03 million cubic feet per day (70,000 million cubic centimeter), with a length of 393 miles / 632 km. Iran Daily reported in October 2014 that Iran Gas Trunkline-10 (IGAT-10) was expected to become operational in December. *IGAT11 Iran Gas Trunkline-11 (IGAT-11) is an under construction gas transmission pipeline that would be operated by National Iranian Gas Company. With a proposed diameter of and a proposed length of 746 miles / 1200 km, it would be capable of transporting 110,000 million centimeter cubed a day, from the southern city of Asalouyeh in Bushehr Province through Ahvaz, Dehgolan, to the Bazargan district and border crossing point in West Azerbaijan Province in the northwest. The project is estimated to cost 4 billion dollars. Construction is assumed to have started in 2022 and is expected to be running in 2025. The construction scope will also include 7 gas pressure stations that will be built along the pipeline route.BNC Network
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References

External links

The Map of Iran's Natural Gas Network

Global Energy Monitor Website
{{Energy in Iran