The immediate post-World War II period presented Italy with profound challenges, not least among them the critical scarcity of indigenous energy resources. The nation's industrial reconstruction and economic recovery were heavily dependent on access to reliable and affordable fuel, a strategic imperative that shaped much of its post-war policy. Italy, devastated by war, faced an acute energy deficit. Its pre-war attempts at energy autarky under the Fascist regime, which sought to develop synthetic fuels and maximize domestic hydropower, had proven insufficient and unsustainable. Post-war, the country relied overwhelmingly on imported coal and petroleum, exacerbating its balance of payments issues, particularly the 'dollar gap' given the dominance of dollar-denominated oil markets. The rebuilding of key sectors like steel, chemicals, and manufacturing, all vital to the burgeoning 'Italian economic miracle', hinged on a secure and cost-effective energy supply. Against this backdrop, the Italian state recognized the necessity of consolidating and expanding its nascent energy sector to reduce dependence on foreign, predominantly Anglo-American, oil majors. It was into this environment that a figure of considerable political and entrepreneurial acumen, Enrico Mattei, emerged to shape Italy's energy destiny.
Mattei's background was not initially in the oil industry; he gained prominence as a partisan commander during the war and subsequently as a public administrator. His initial mandate, assigned in 1945, was to liquidate the Azienda Generale Italiana Petroli (AGIP), a state-owned oil company established in 1926 under the Fascist regime. AGIP, though once intended to be a national champion, was widely considered a relic of a discredited past, burdened by pre-war inefficiencies, war damages, and a perceived lack of commercially viable assets. However, Mattei, through a combination of strategic insight and personal conviction, came to a different conclusion. He recognized the latent potential within AGIP, particularly its experienced geological teams and early, albeit largely unsuccessful, exploration efforts within the Po Valley and Sicily. These efforts, along with some existing distribution assets – including a modest refinery in Porto Marghera and a network of several thousand service stations across Italy – suggested that the country might possess more indigenous resources and infrastructure than widely believed, if properly managed and invested in.
His motivation stemmed from a deep-seated belief in Italy's right to control its own energy future. Mattei viewed the existing global oil landscape, dominated by the so-called 'Seven Sisters' – a powerful cartel comprising Exxon, Royal Dutch Shell, BP, Gulf Oil, Texaco, Standard Oil of California (Socal), and Mobil – as an impediment to developing nations, including Italy, securing fair terms for their resource needs. These international majors controlled approximately 85% of global oil reserves, production, refining, and transportation outside the Communist bloc, effectively dictating prices and market access. Mattei challenged this paradigm, advocating for a "new deal" where producing nations would receive higher royalties and participate more actively in the value chain. He envisioned an Italian national energy champion that would not merely distribute refined products but would engage in the full spectrum of energy operations: exploration, production, refining, and distribution. This vertically integrated model was conceived as a bulwark against external influence and a driver of national economic growth, allowing Italy to reinvest profits domestically and develop its own technological capabilities.
The initial business concept centered on leveraging AGIP's existing assets and expertise while aggressively pursuing new exploration both domestically and internationally. The value proposition was clear: to provide Italy with energy security and independence, fostering industrial development and improving living standards for its citizens. This mission was deeply intertwined with the nation's broader post-war reconstruction and the 'Italian economic miracle' that was beginning to take shape, where access to affordable energy was paramount for the expansion of industries such as automotive, textiles, and chemicals. Mattei's vision extended to a nationwide 'metanizzazione' (gasification) program, which would bring natural gas from domestic fields directly into homes and factories, providing cleaner and cheaper energy than traditional coal or imported oil, thereby supporting both industrial competitiveness and social well-being.
Early challenges were formidable. Domestically, there was significant political opposition from various factions. Some advocated for continued reliance on the established international majors, arguing that Italy lacked the capital and expertise to compete. Others, particularly liberal economists, favored a more market-driven approach, opposing state intervention in the economy. Internationally, Mattei faced the powerful resistance of the 'Seven Sisters,' who viewed Eni's ambitions as a direct threat to their global dominance and pricing structures. They often denied Eni access to exploration concessions, withheld crude oil supplies, and engaged in predatory pricing to undermine its ventures. Access to capital was also a persistent issue, as large-scale energy projects required immense investment, and Italy's post-war economy was still recovering, with limited access to international financing beyond Marshall Plan aid, which itself sometimes favored established Anglo-American interests. Initial funding for Mattei's expanded AGIP operations often came from government loans and the profits generated by its existing distribution network.
Despite these hurdles, Mattei pressed forward with a relentless determination. His political connections across various parties, cultivated during his partisan days, and his ability to galvanize public and political support around the vision of national energy independence were instrumental. He championed the drilling and geological surveys that ultimately confirmed significant natural gas reserves in the Po Valley in Northern Italy. The first major discovery, Caviaga, was made in 1944 (though its full potential was realized under Mattei), followed by the crucial Cortemaggiore field in 1949, which proved substantial. These discoveries, with estimated reserves reaching billions of cubic meters, provided a tangible demonstration of AGIP's potential and reinforced Mattei's arguments for a robust, state-backed energy strategy. The Po Valley gas allowed Italy to significantly reduce its reliance on imported coal and oil, providing a domestic energy source for northern Italian industries and rapidly expanding the national gas pipeline network managed by SNAM (Società Nazionale Metanodotti), which was also part of AGIP's constellation of companies.
The culmination of these efforts, and the formal institutionalization of Mattei's vision, came in 1953. Through Legislative Decree No. 220, several state-owned companies operating in the energy sector were consolidated under a single, unified entity: Ente Nazionale Idrocarburi, or Eni. This act officially established Eni as a state-owned holding company, tasked with coordinating all public activities in the hydrocarbons sector. The key components merged into Eni included: AGIP, responsible for exploration, production, and distribution (owning the "cane a sei zampe" — six-legged dog — brand for its service stations); SNAM, which owned and operated the burgeoning natural gas pipeline network critical for distributing the Po Valley gas; and ANIC (Azienda Nazionale Idrogenazione Combustibili), focused on refining and chemicals production. This consolidation marked a pivotal moment, transforming a collection of disparate state assets, with a combined workforce of approximately 10,000 employees and modest revenues, into a powerful, centrally directed force poised to reshape Italy's energy landscape and boldly challenge the global oil order. Eni's initial capital was set at 10 billion lire, a significant sum for the time, reflecting the state's commitment to Mattei's ambitious strategy.