Founded in 1909, ACEA S.p.A. operates through several key business segments: Water, Energy Infrastructure, Commercial and Trading, Environment, and Production. The Water segment manages the integrated water cycle, including aqueducts, sewerage, and purification systems, primarily in central Italy and parts of Latin America. The Energy Infrastructure segment distributes electricity and manages public lighting in the metropolitan area of Rome. The Commercial and Trading division sells electricity and natural gas to residential and business customers, while the Environment segment focuses on waste management, composting, and waste-to-energy plants. Additionally, the Production segment generates electricity, largely from renewable sources such as hydroelectric and photovoltaic plants.