from Latin plenitudo (dĭnis, der. of plenus «full»); completeness, adequacy, fullness.
Plenitude is the successor to Eni’s Gas e Luce business. Its historical connections and reputation for innovation remain unchanged. At Plenitude, we are committed to offering our customers all possible solutions by using the diverse resources at our disposal, and by using the same channels to market we have always used.
Eni gas e luce is born.
Eni creates a new company dedicated to the sale of gas, electricity and energy efficiency solutions, strengthening its presence in Europe (Italy, France and Slovenia).
International expansion of Retail activities in the Greek and Iberian markets.
Entry into the energy retrofit business for buildings and distributed electricity generation from solar power.
Integration of Eni’s renewable energy production portfolio and expansion into the electric vehicle charging services business (e-mobility).
Eni gas e luce becomes a Benefit Corporation.
Plenitude is established.
Finalization of Energy Infrastructure Partners’ entry as a minority shareholder (approximately 8% stake in Plenitude).
Renewable electricity generation continues to grow both in Italy and in international markets (particularly in Spain, the United States and in Germany with offshore wind through subsidiary Vårgrønn).
Expansion of e-mobility activities abroad.
Finalization of the increase in EIP’s stake in the share capital (reaching 10% of Plenitude).
Entry of Ares Management as a shareholder, with a 20% stake.
Completion of the acquisition of 100% of the share capital of Acea Energia S.p.A.
Evolution of the shareholding structure: Plenitude adopts a new governance model based on joint control by Eni and Ares Management. The share capital is now held approximately 65% by Eni, 26% by Ares and 9% by EIP.
We share our expertise to promote best practices, starting from within our own organisation. We foster an inclusive culture to attract and develop talent.
Find out more about our MANAGEMENT TEAM that works passionately to transform Plenitude's values into tangible actions every day.
Real energy also comes from our people. Discover all job openings on our LINKEDIN page.
Employees in July 2026
Men
Women
knowledge to achieve our goals and add value to our work.
for our work that inspires ideas and actions, which is passed on to our customers and partners.
to change patterns, overcome obstacles and advance innovation that benefits society.
to earn the respect and trust of our customers and our people.
to break down structures and complexity through simple solutions.
as a fundamental way of enriching our people.
Discover the pillars on which our business model is based.
