Eni

Corporate brand

Italian multinational energy company active across oil, gas, refining, chemicals, electricity, renewables and energy-transition technologies.

Last updated August 31, 2026

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Overview

Eni S.p.A. is an Italian multinational energy company headquartered in Rome. Established in 1953 from the state oil company Agip, it developed from a national hydrocarbons organization into an integrated international energy group with operations spanning exploration and production, natural-gas supply, liquefied natural gas, pipelines, refining, fuels marketing, chemicals, electricity generation and renewable energy. The company’s name derives from the former Italian acronym Ente Nazionale Idrocarburi, or National Hydrocarbons Board. Eni’s early international identity was shaped by chairman Enrico Mattei. Rather than treating producing countries solely as suppliers, Mattei promoted partnership structures intended to give host governments and national oil companies a more substantial role in upstream projects. Agreements in Egypt, Iran, North Africa and the Soviet Union helped establish Eni as an independent participant in an oil market dominated by the major international oil companies. The company’s six-legged dog logo became a distinctive symbol of that period and remains one of its best-known visual assets. After Mattei died in a 1962 aircraft crash, Eni continued to expand through international joint ventures and the development of long-distance gas infrastructure. The 1970s brought agreements with Algeria, Libya, Egypt, Nigeria and Tunisia, as well as the Trans-Mediterranean gas corridor linking North Africa with Italy and wider European markets. Eni also diversified for periods into contracting, nuclear energy, mining, chemicals, plastics, machinery, hospitality, textiles and publishing, although hydrocarbons and energy remained its central activities. The company was converted into a joint-stock company in 1992 and listed in Italy and New York in 1995 as part of Italy’s privatization program. In subsequent decades it concentrated increasingly on international upstream growth, gas transportation, refining and energy supply. Major projects included the Kashagan development in Kazakhstan, the Blue Stream pipeline between Russia and Turkey, the Zubair field in Iraq and large gas discoveries in Mozambique and Egypt. Eni also reduced and restructured parts of its European refining portfolio, converting selected conventional refineries into biorefineries and developing renewable generation at former industrial sites. Eni’s present strategy combines continued oil and gas production with lower-carbon businesses. Its activities include solar power, biorefining, sustainable mobility, carbon capture and storage, industrial circularity, advanced computing for subsurface analysis and research into nuclear fusion. The company has supported fusion research through MIT and Commonwealth Fusion Systems. It also operates or participates in energy retail, gas and power supply, LNG projects and fuel stations under the Eni brand. Its international portfolio is organized through subsidiaries and joint ventures, including Vår Energi and other regional operating entities. Eni remains one of Europe’s largest integrated energy companies and a significant Italian corporate group. Its business is exposed to commodity prices, geopolitical conditions, regulatory change and the long-term transition away from unabated fossil fuels. The company continues to balance upstream investment and gas security with plans for renewable energy, alternative fuels and emissions reduction.

History

Eni was created in 1953 from Agip, an Italian company founded in 1926 to explore for and commercialize petroleum. Enrico Mattei became chairman and shaped the organization’s early commercial and political direction. Eni pursued agreements in North Africa and the Middle East that offered producing countries a more active role in joint ventures. This approach, later associated with the “Mattei formula,” helped Eni secure exploration and supply relationships in Egypt, Iran and other producing regions. In 1960 it also agreed to import Soviet crude, an unusual commercial relationship during the Cold War. Mattei died in an aircraft crash near Bascapè on 27 October 1962 while travelling from Catania to Milan. The circumstances remained controversial for decades, and later judicial investigations treated the crash as a deliberate act rather than an ordinary accident. Eni subsequently continued its international expansion, acquiring a majority interest in Italgas in 1963 and developing agreements with Libya, Egypt, Nigeria, Tunisia and Algeria. The oil crisis of 1973 reinforced Eni’s emphasis on natural gas and international supply. The company built or participated in major pipeline infrastructure across the Mediterranean and Europe. The Trans-Mediterranean Pipeline connected Algerian gas through Tunisia to Sicily, while agreements concerning Libyan resources, including the Bu Attifel or Bouri-area developments referenced in company history, strengthened Eni’s regional position. During the 1990s Eni became a joint-stock company and was listed on the Italian and New York stock exchanges in 1995. The Italian privatization process distributed much of its capital to private shareholders, while the state retained strategic influence. After the 1998 oil-price collapse, Eni pursued acquisitions, mergers, exploration and portfolio restructuring. In the 2000s and 2010s, Eni expanded major upstream projects in Kazakhstan, Iraq, Mozambique, Egypt, Africa and the Americas. The Blue Stream pipeline, developed with Gazprom, began supplying Russian gas to Turkey in 2005. Eni also participated in the proposed South Stream feasibility work. Its portfolio included the Kashagan oil field, Iraq’s Zubair field and substantial offshore gas discoveries in Mozambique’s Area 4 and Egypt’s Zohr field. At the same time, Eni sold or reduced selected European refining and marketing assets and began converting some refineries into biorefineries. The company’s diversification into lower-carbon activity became more visible through Progetto Italia, renewable installations at former industrial locations, biorefining and technology investment. Eni supported fusion research with MIT and became an early major investor in Commonwealth Fusion Systems, whose high-temperature-superconducting magnet work was intended to support compact tokamak reactors. Eni also developed high-performance computing systems, including HPC4, HPC5 and HPC6, for geological and reservoir analysis. In the 2020s Eni exited Pakistan, continued exploration in Africa and the Americas, expanded LNG relationships with QatarEnergy and acquired Neptune Energy. The group has continued to operate in a difficult environment shaped by Russia’s war against Ukraine, energy-security concerns, commodity-price volatility and stricter climate policy. Its current identity combines conventional integrated energy operations with renewable power, sustainable fuels, carbon-management projects and longer-term technology investments.

2024
Neptune Energy acquisition
[1]Enien.wikipedia.org
Eni acquires Neptune Energy assets, expanding its international upstream portfolio.
2024
HPC6 introduced
[1]Enien.wikipedia.org
Eni launches HPC6, a supercomputer designed to support energy exploration and technical computing.
2022
Qatar LNG partnership
[1]Enien.wikipedia.org
Eni joins QatarEnergy in the North Field East LNG expansion.
2021
Pakistan exit
[1]Enien.wikipedia.org
Eni sells its Pakistani assets to Prime International Oil & Gas Company.
2019
Rovuma LNG approval
[1]Enien.wikipedia.org
Mozambique approves the Rovuma LNG project, in which Eni participates with international partners.
2018
Fusion and computing investments
[1]Enien.wikipedia.org
Eni supports MIT fusion research and introduces HPC4, a high-performance system for exploration analysis.
2015
Egyptian offshore gas discovery
[1]Enien.wikipedia.org
Eni announces a major gas discovery offshore Egypt, later associated with the Zohr development.
2014
Biorefining strategy begins
[1]Enien.wikipedia.org
Eni launches a plan to convert conventional refineries into biorefineries, beginning with Porto Marghera.
2011
Mozambique gas discoveries
[1]Enien.wikipedia.org
Eni announces major discoveries in offshore Mozambique Area 4, including the Mamba complex.
2010
Zubair production milestone
[1]Enien.wikipedia.org
Eni reaches a major production milestone at Iraq’s Zubair oil field.
2005
Blue Stream opens
[1]Enien.wikipedia.org
The Blue Stream gas pipeline between Russia and Turkey begins operation as an Eni-Gazprom joint venture.
1995
Stock-market listings
[1]Enien.wikipedia.org
Eni is listed on the Italian and New York stock exchanges.
1992
Conversion into a joint-stock company
[1]Enien.wikipedia.org
Eni is reorganized as a joint-stock company as part of Italy’s privatization process.
1970
Mediterranean gas infrastructure expands
[1]Enien.wikipedia.org
Eni develops long-distance gas transport projects and agreements across North Africa and the Mediterranean.
1963
Italgas acquisition
[1]Enien.wikipedia.org
Eni acquires a majority stake in Italgas, strengthening its gas-distribution activities.
1962
Death of Enrico Mattei
[1]Enien.wikipedia.org
Mattei dies in an aircraft crash near Bascapè while travelling to Milan.
1954
Early North African expansion
[1]Enien.wikipedia.org
Eni secures exploration rights and an agreement with the Egyptian government, helping establish its partnership-oriented international model.
1953
Eni is established
[1]Enien.wikipedia.org
Eni is formed from Agip as Italy’s national hydrocarbons organization, with Enrico Mattei becoming chairman.

Products and positioning

An integrated international energy company combining upstream oil and gas expertise with gas infrastructure, refining, mobility, renewables and energy-transition technologies.

Exploration and production · 1953
Upstream oil and gas
Eni explores for, develops and produces crude oil and natural gas through wholly owned subsidiaries, partnerships and production-sharing arrangements. Its upstream portfolio has included projects in Italy, North and Sub-Saharan Africa, the Middle East, Kazakhstan, the Caspian region, Europe, Asia-Pacific and the Americas.
Gas supply and infrastructure · 1953
Natural gas and LNG
The company supplies natural gas and participates in pipelines, gas transportation, liquefaction and LNG sales. Mediterranean infrastructure and international LNG partnerships have been central to Eni’s role as an integrated gas supplier.
Downstream fuels · 1953
Refining and biorefining
Eni processes crude oil into fuels and other refinery products while converting selected conventional facilities into biorefineries. These plants support the production of lower-carbon fuels from renewable and waste-based feedstocks.
Retail energy · 1953
Eni mobility and service stations
Under the Eni brand, the company operates fuel and mobility retail activities, including service stations and related products. The retail network is being adapted to include alternative fuels, charging and other energy services where available.
Power generation · 2016
Electricity and renewables
Eni develops and supplies electricity from gas-fired generation and renewable sources, including photovoltaic projects. Progetto Italia used former industrial areas for renewable installations and redevelopment initiatives.
Energy technology · 2018
Fusion and energy technologies
Eni invests in research and partnerships related to nuclear fusion, including work with MIT and Commonwealth Fusion Systems. Its technology portfolio also includes high-performance computing for geological and reservoir analysis.

Controversies

2017
Fylde coast oil spill
Eni accepted responsibility for an oil spill affecting the Fylde coast near Blackpool in the United Kingdom.
Source
1962
Death of Enrico Mattei
Mattei died when his aircraft crashed near Bascapè. The event was initially treated as an accident but later judicial material described it as a deliberate killing connected to significant political and economic interests.
Source

2025Formula One fuel partnership
International
Eni announced that it would supply fuels to the BWT Alpine F1 Team from the 2025 season, marking a return to Formula One activity.
Outcome. Partnership announced; longer-term results were not specified in the reference material.
Source
2016Progetto Italia
Italy
A program to redevelop selected industrial areas and install renewable-energy capacity, including photovoltaic plants in Sardinia.
Outcome. Renewable installations were opened at sites including Assemini and Porto Torres.
Source

Brand decisions

2024
Acquire Neptune EnergyM&A
Background
Eni aimed to expand its upstream portfolio across several producing and exploration regions.
Action taken
Eni acquired Neptune Energy assets, with Norwegian operations purchased through Vår Energi and certain German assets excluded from the transaction.
Aftermath
The transaction increased Eni’s exposure to assets in Western Europe, North Africa, Australia and Indonesia.
Source
2022
Adapt Russian gas payment proceduresStrategy
Background
Russia required changes to the payment process for gas supplies after its invasion of Ukraine, creating legal and sanctions-related uncertainty.
Action taken
Eni announced procedures for opening dual-currency accounts with Gazprombank, stating that the approach was coordinated with the Italian government and compatible with sanctions.
Aftermath
The arrangement allowed payments to continue under the stated interpretation that contractual payments remained denominated in euros.
Source
2021
Invest heavily in Commonwealth Fusion SystemsOther
Background
Eni sought long-term energy technologies beyond conventional hydrocarbons and had supported MIT fusion research.
Action taken
Eni became a leading investor in Commonwealth Fusion Systems alongside other strategic and technology investors.
Aftermath
The investment supported development of high-temperature-superconducting magnets and compact tokamak fusion concepts.
Source
2014
Convert selected refineries into biorefineriesStrategy
Background
Eni sought to improve the economics of its European downstream portfolio and respond to changing fuel demand and environmental pressures.
Action taken
The company launched a program to repurpose conventional refineries, beginning at Porto Marghera and later extending to Gela.
Aftermath
The facilities became part of Eni’s lower-carbon fuels and circular-industrial strategy.
Source
1992
Convert Eni into a joint-stock companyStrategy
Background
Italy was restructuring state-owned enterprises and preparing major privatizations.
Action taken
Eni was converted into a joint-stock company and later listed on public markets.
Aftermath
The change enabled the sale of substantial shareholdings to private investors while the state retained strategic influence.
Source

Recent events

2025
Eni announces Formula One fuel partnership[1]Enien.wikipedia.org
Campaign · Other
Eni announced a return to Formula One as fuel supplier to the Renault-powered BWT Alpine F1 Team from the 2025 season.
2024
Eni agrees to acquire Neptune Energy[1]Enien.wikipedia.org
M&A
Eni completed an acquisition of Neptune Energy assets, expanding its upstream portfolio in Europe, Africa, Australia and Indonesia. Norwegian assets were acquired through Vår Energi, while certain German assets remained outside the transaction structure.
2023
Eni renews Claudio Descalzi as chief executive[5]Eni renews Claudio Descalzi as chief executiveafricaoilgasreport.com
Leadership change
Claudio Descalzi was reported as continuing for a fourth consecutive three-year term, while Giuseppe Zafarana was selected to replace Lucia Calvosa as chair.
2023
Eni explores acquisition of Neptune Energy[6]Eni explores acquisition of Neptune Energynasdaq.com
M&A
Reports described Eni’s negotiations to acquire Neptune Energy, an upstream company with significant operations in the United Kingdom and Norway, as part of a strategy emphasizing natural gas.
2022
Eni and QatarEnergy expand LNG cooperation[1]Enien.wikipedia.org
M&A
Eni entered a joint venture with QatarEnergy for the North Field East LNG expansion, one of the world’s largest LNG developments.
2022
Eni changes arrangements for Russian gas payments[1]Enien.wikipedia.org
Regulation · Other
Following Russia’s unilateral payment requirements during the invasion of Ukraine, Eni announced procedures for dual-currency accounts while stating that the arrangement was made in consultation with the Italian government and intended to comply with applicable sanctions.
2022
Eni plans a Milan listing for Plenitude[7]Eni plans a Milan listing for Plenitudenasdaq.com
M&A · Other
Eni indicated that it would proceed with a planned initial public offering for Plenitude, its retail, renewable-generation, energy-services and electric-vehicle-charging business.
2022
Eni launches institutional decarbonization campaign[8]Eni launches institutional decarbonization campaignengage.it
Campaign
Eni introduced an institutional advertising campaign built around the idea of replacing an either-or framing of sustainability and growth with an inclusive connection between energy access, transformation, and decarbonization. The campaign was created by TBWA\Italia and began airing on 24 December 2022.
2021
Eni begins IPO process for gas, power retail, and renewables business[9]Eni begins IPO process for gas, power retail, and renewables businesseni.com
M&A
Eni’s board approved the preparation of an initial public offering for its merged gas-and-power retail and renewables activities, with the stated intention of retaining a majority stake and giving the business an independent financial structure.
2009
Eni completes the acquisition of Distrigas minorities[10]Eni completes the acquisition of Distrigas minoritiessec.gov
M&A
Following its acquisition of a majority stake in Belgian gas company Distrigas, Eni completed a mandatory offer for minority shares.

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