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National Iranian Gas Company

National Iranian Gas Company is Iran's state gas utility responsible for processing, transmitting, distributing and delivering natural gas.

Last updated August 26, 2026

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Overview

National Iranian Gas Company (NIGC) is Iran's principal natural-gas infrastructure and distribution enterprise. Established in 1965, it became one of the four principal companies affiliated with Iran's Ministry of Petroleum. The company operates primarily across the midstream and downstream portions of the gas industry rather than awarding upstream exploration and field-development projects, a responsibility associated with the National Iranian Oil Company. NIGC's responsibilities include the treatment and refining of natural gas, high-pressure transmission, underground storage, domestic distribution, gas commerce and delivery to residential, commercial and industrial customers, as well as power plants. Through its operating companies and provincial gas companies, it forms the core of Iran's national gas network. Its infrastructure includes major transmission pipelines, gas-refining facilities, distribution systems and storage assets. The reference material describes Iran as having the Middle East's largest gas network, with approximately 22,000 kilometres of high-pressure pipelines. The company's activities are closely connected to Iran's large natural-gas resource base, including the South Pars field in the Persian Gulf. Much of Iran's production is consumed domestically, reflecting the country's extensive household, industrial and power-generation demand. NIGC's network expansion has also supported the connection of rural communities: the cited material records 12,750 villages connected to the gas network by 2012. NIGC also has an international and project-development dimension. The National Iranian Gas Export Company, established in 2003, was created to manage and supervise gas pipeline and liquefied-natural-gas projects. In May 2010, the Petroleum Ministry transferred that company from the National Iranian Oil Company to NIGC, broadening NIGC's role in planned gas-export and infrastructure projects. Iran's cross-border gas relationships have included exports to Armenia, Azerbaijan and Turkey and imports from Azerbaijan and Turkmenistan. In 2011, Iran also signed an agreement concerning a proposed export corridor involving Iraq and Syria, with aspirations of reaching Lebanon, the Mediterranean and eventually Europe. Storage and supply-security projects have been another part of the company's operating remit. A liquefied-natural-gas storage facility known as Shourijeh was built in 2014; the cited material states that it could supply 4.8 billion cubic metres of natural gas and was intended to reduce reliance on imports from Turkmenistan. NIGC has also been associated with national plans involving expanded gas production, LNG and gas-to-liquids technology, although the source material presents several of these as proposed or expected projects rather than confirmed commercial outcomes. NIGC should therefore be understood less as a consumer-facing product brand than as a state infrastructure and energy-services organization. Its public importance derives from the scale of Iran's gas network, its role in domestic energy access, its support for power and industrial customers, and its position in the country's efforts to expand storage, transmission and international gas commerce.

History

National Iranian Gas Company was established in 1965 with initial capital reported at 25,000 million rials. It became one of the four principal companies affiliated with Iran's Ministry of Petroleum and was assigned responsibility for the country's gas-processing, transmission and delivery functions. Its institutional role developed around the creation of a national gas system capable of moving processed gas from production and refining centres to households, industry, commercial customers and electricity-generation facilities. NIGC's remit is distinct from upstream gas development. The company does not award upstream gas projects; that function remains associated with the National Iranian Oil Company. Instead, NIGC operates and develops much of the infrastructure required after gas is produced, including treatment, refining, high-pressure transmission, local distribution, storage and gas commerce. Its structure includes specialist companies for engineering and development, transmission, underground storage, distribution and commercial activities, together with provincial gas companies and gas-refining companies. The growth of the network supported Iran's domestic energy-access strategy. By 2012, the cited material reported that 12,750 villages had been connected to the gas network. The same source described Iran's high-pressure pipeline system as extending for approximately 22,000 kilometres, making it the largest gas network in the Middle East according to that account. Domestic consumption has remained central to NIGC's role because Iranian gas supplies serve residential heating and cooking, industrial facilities and power plants. In 2003, the National Iranian Gas Export Company was created to manage and supervise gas-pipeline and LNG projects. Until May 2010 it operated under the National Iranian Oil Company. The Petroleum Ministry then moved it under NIGC, an organizational change intended to widen NIGC's responsibility for new natural-gas projects and international infrastructure. This placed export-project coordination more closely alongside NIGC's existing transmission and distribution capabilities. Iran's gas position also shaped NIGC's international context. The cited material identifies Iran as holding approximately 29.6 trillion cubic metres of proven gas reserves, or around 16 percent of global reserves at the time of the source's reporting. Production was reported at 116 billion cubic metres in 2009 and 138.5 billion cubic metres in 2010. In 2010, Iran exported gas to Armenia, Azerbaijan and Turkey and imported gas from Azerbaijan and Turkmenistan. These flows made pipeline capacity, storage and regional infrastructure important elements of NIGC's strategic environment. The company was also connected to plans for LNG, gas-to-liquids and expanded production. The source material records a plan to export Iran's first LNG cargo by 2013 and an expectation that a first gas-to-liquids plant could be launched by 2018; these should be treated as reported plans rather than verified completed milestones. A 2011 agreement concerning gas exports through Iraq and Syria illustrated Iran's ambition to develop a broader regional export corridor, potentially extending toward Lebanon, the Mediterranean and Europe. Storage development provided another strategic priority. The Shourijeh facility, built in 2014, was described as capable of supplying 4.8 billion cubic metres of natural gas and as a means of reducing imports from Turkmenistan. Overall, NIGC's history is the history of Iran's effort to build an integrated national gas system: first by establishing a dedicated gas company, then by expanding pipeline and village connections, and later by integrating storage, export-project supervision and regional gas ambitions into the company's wider infrastructure role.

  • 2014

    Shourijeh storage facility built

    [1]

    The Shourijeh gas storage facility was built to strengthen supply security and reduce dependence on Turkmen gas imports.

  • 2012

    Village gas-network connections reported

    [1]

    The cited account reported that 12,750 villages had been connected to Iran's gas network.

  • 2010

    Gas-export subsidiary transferred to NIGC

    [1]

    In May, the Petroleum Ministry moved the National Iranian Gas Export Company from the National Iranian Oil Company into NIGC's organizational structure.

  • 2003

    National Iranian Gas Export Company created

    [1]

    A dedicated gas-export company was formed to manage and supervise pipeline and LNG projects.

  • 1965

    NIGC established

    [1]

    National Iranian Gas Company was established as one of the principal companies affiliated with Iran's Ministry of Petroleum, with reported initial capital of 25,000 million rials.

Products and positioning

A state-owned national gas infrastructure operator serving Iran's residential, commercial, industrial and power-generation sectors, with additional responsibility for gas storage, transmission development and selected export-project coordination.

  • Energy infrastructure service

    Natural gas transmission

    NIGC's transmission activities move processed natural gas through a national high-pressure pipeline system toward distribution networks, industrial users and power plants. The cited reference describes approximately 22,000 kilometres of high-pressure pipelines, making the network a central piece of Iran's gas infrastructure.

  • Utility service

    Natural gas distribution

    Through provincial gas companies and distribution operations, NIGC delivers natural gas to residential, commercial and industrial customers. Network expansion has also supported rural connections, with 12,750 villages reportedly connected by 2012.

  • Gas processing

    Gas processing and refining

    NIGC's refining-related subsidiaries and facilities treat and process natural gas before it enters the transmission and distribution system. The company's remit includes coordination with gas-refining companies, while upstream field awards remain outside its stated responsibility.

  • Natural-gas storage · 2014

    Shourijeh gas storage

    Built in 2014, the Shourijeh facility was described as capable of supplying 4.8 billion cubic metres of natural gas. Its stated strategic purpose was to improve supply resilience and reduce Iran's reliance on imports from Turkmenistan.

  • Energy project development · 2003

    Gas export and pipeline project supervision

    Following the 2010 organizational transfer of the National Iranian Gas Export Company, NIGC assumed a broader role in managing and supervising gas-export pipeline and LNG projects. This function complements, rather than replaces, its domestic transmission and distribution responsibilities.

Brand decisions

  • 2014

    Develop Shourijeh gas storage capacityOther

    Background

    Iran sought to strengthen gas supply security and reduce dependence on imported gas from Turkmenistan.

    Action taken

    A gas storage facility named Shourijeh was built, with the cited source attributing a supply capability of 4.8 billion cubic metres.

    Aftermath

    The facility was intended to improve domestic supply resilience and reduce the role of Turkmen imports.

  • 2010

    Integrate gas-export project oversight into NIGCStrategy

    Background

    The National Iranian Gas Export Company had previously operated under the National Iranian Oil Company, while NIGC focused on gas infrastructure and domestic delivery.

    Action taken

    Iran's Petroleum Ministry transferred the export company into NIGC's structure in May 2010 to broaden NIGC's responsibility for new natural-gas projects.

    Aftermath

    NIGC gained a more direct institutional role in gas-pipeline and LNG project supervision, alongside its established transmission, storage and distribution activities.

Recent events

  • 2014

    Shourijeh gas storage facility completed[1]

    Product launch · Other

    A gas storage facility named Shourijeh was built with a stated ability to supply 4.8 billion cubic metres of natural gas and an objective of reducing Iran's dependence on Turkmen gas imports.

  • 2011

    Iran signs proposed regional gas-export agreement[1]

    M&A · Other

    Iran signed a reported $10 billion contract concerning a proposed gas-export route involving Iraq and Syria, with longer-term ambitions to reach Lebanon, the Mediterranean region and Europe.

  • 2010

    National Iranian Gas Export Company brought under NIGC control[1]

    Leadership change

    Iran's Petroleum Ministry transferred the National Iranian Gas Export Company from the National Iranian Oil Company to NIGC, expanding NIGC's responsibility for gas-export and new gas-project coordination.

Sources1 sources

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