Gruppo Iren
UtilitiesEmilia-romagna, Italy1001-5000 Employees
Gruppo Iren is a large Italian multi-utility company based in Reggio Emilia that operates across electricity, district heating and gas, as well as the management of integrated water services, environmental services, and technological services. Its corporate structure comprises several fully controlled subsidiaries, including Iren Energia, Iren Mercato, IRETI, Iren Acqua and Iren Ambiente. It serves a multiregional footprint with around 2 million electricity customers, about 2.8 million inhabitants served by water, and roughly 3.1 million in waste cycles. Iren combines technical capability with a focus on reliability and local roots to deliver essential, multi-utility services. Its registered office is in Reggio Emilia, with operational offices in Genoa, Turin, Parma, Piacenza, Reggio Emilia, La Spezia and Vercelli. In 2026 the group announced the acquisition of Mirantis, indicating ongoing expansion.