Eni S.p.A.: A Global Powerhouse in Energy and Innovation
Eni S.p.A. is a premier Italian multinational energy company and one of the world's recognized "supermajor" oil companies. Originally founded as the Ente nazionale idrocarburi (National Hydrocarbons Board), Eni has evolved from a state entity into a global leader in the production of petroleum, natural gas, and various petroleum products. With a market capitalization of €48 billion as of December 31, 2025, the company plays a pivotal role in the European energy landscape.
Headquartered in the iconic Palazzo ENI in Rome, the company operates on a worldwide scale, balancing its role as a public company traded on the Borsa Italiana (BIT: ENI) and the New York Stock Exchange (NYSE: E) with significant Italian government oversight. The Italian state maintains a 33.084% golden share, distributed between the Ministry of Economy and Finance and Cassa Depositi e Prestiti.
![Palazzo ENI, Rome, built 1959–1962.[9] Photo by Paolo Monti, 1967](/images/c0/27/c027db4a41f40af67bd58b47ba0fc180d1005e7bdf5de9e967c48e6b212f7671.jpg)
Key Facts
- Founded: February 10, 1953, by the Government of Italy.
- Global Standing: Ranked as the largest petroleum company in Italy and the second largest in the European Union.
- 2025 Financials: Reported revenue of €82.20 billion and total assets of €137.1 billion.
- Workforce: Employs 32,349 people globally as of 2025.
- Technological Edge: Operates the HPC6 supercomputer, the most powerful in Europe.
- Key Leadership: Led by Chairwoman Giuseppina Di Foggia and CEO Claudio Descalzi.
Corporate Evolution and Strategic Growth
Privatization and Expansion
Eni underwent a significant structural shift in the 1990s. Between 1995 and 1998, the company executed four share offers, resulting in the sale of 70% of its capital assets to private shareholders, transitioning it into a more commercially agile public entity.
Global Exploration Milestones
The 21st century has been marked by aggressive exploration and production. In 2010, Eni reached a production milestone in Iraq's Zubair oil field. This was followed by major natural gas discoveries in Mozambique's Area 4 between 2011 and 2012, including the Mamba South, Mamba North, Mamba North East, and Coral 1 fields. Further success was seen in 2014 with oil discoveries in the Democratic Republic of the Congo.
Technological Innovation in Energy
To optimize the exploration of oil and gas reservoirs, Eni has invested heavily in high-performance computing (HPC). The company progressed from the HPC4 system in 2018 to the HPC5 in 2020. In November 2024, Eni launched the HPC6 supercomputer, currently the most powerful in Europe and fifth globally, capable of performing over 600 million billion complex mathematical operations per second.
Operational Portfolio
Exploration, Production, and Gas
Eni manages a vast array of assets, from offshore platforms to onshore wells. In 2012, the company reported a production rate of 1,701 thousand barrels of oil equivalent per day (kboe/d). Its gas operations are equally significant, with a 27-year LNG (liquefied natural gas) supply deal signed with QatarEnergy in 2023 to secure up to 1 million tons per year from the North Field expansion project.
Power Generation and Subsidiaries
Beyond hydrocarbons, Eni operates several natural gas power plants in Italy, including major sites in Brindisi (1715 MW) and Ferrera Erbognone (1785 MW). The group's operational reach is extended through specialized subsidiaries:
- Enilive and Versalis: Focused on chemicals and refining.
- Eni Plenitude: Managing energy services.
- Eni Rewind: Specializing in environmental rehabilitation.
- Saipem: Providing engineering and construction services.
- Enibioch4in: Dedicated to biomethane production.
Financial Performance Summary
Eni's financial trajectory reflects the volatility of the global energy market. While the company saw peak revenues in 2022, it has maintained a strong asset base and continues to implement strategic buybacks, including a $1.7 billion share buyback announced in April 2025.
| Metric | 2022 | 2024 | 2025 |
|---|---|---|---|
| Revenue | €132.512 Billion | €88.80 Billion | €82.20 Billion |
| Net Income | €13.887 Billion | €2.62 Billion | €2.61 Billion |
| Total Assets | €152.130 Billion | €146.939 Billion | €137.1 Billion |
| Employees | 32,188 | 32,492 | 32,349 |
Frequently Asked Questions
Who owns Eni S.p.A.?
Eni is a public company, but the Italian government holds a significant stake of 33.084% via a golden share, with 30.918% held by Cassa Depositi e Prestiti and 2.166% by the Ministry of Economy and Finance.
What is the purpose of the HPC6 supercomputer?
The HPC6 is used to execute complex mathematical operations that allow Eni to explore oil and gas reservoirs more effectively and rapidly than traditional methods.
Which subsidiaries does Eni operate?
Key subsidiaries include Enilive, Eni Plenitude, Versalis, Eni Rewind, EniPower, EniProgetti, and Saipem, covering everything from environmental rehabilitation to engineering.
What is Eni's role in Formula One?
Starting from the 2025 season, Eni returned to Formula One as the fuel supplier for the Renault-powered BWT Alpine F1 Team.
How does Eni rank globally in the energy sector?
Eni is the largest petroleum company in Italy, the second largest in the European Union (after TotalEnergies), and has historically ranked among the top 15 largest petroleum companies worldwide.