ACEA S.p.A., together with its subsidiaries, operates as a multi-utility company in Italy. The company operates through Environment, Commercial, Water, Water (Overseas), Production, Engineering & Infrastructure Projects, and Network & Public Lighting segments. It is involved in the waste management, power generation, water management, energy distribution and production, gas distribution, management of engineering services, and sale of electricity and natural gas, as well as supplies value added environmental services. The company also generates electricity through hydro, thermal, and photovoltaic sources. In addition, it provides sludge management, treatment, recycling; waste-to-energy and waste disposal management of recyclable plastics; water services; laboratory analysis, and engineering and consultancy services; public lighting; energy management; and design, construction, and management of integrated water systems. ACEA S.p.A. was founded in 1909 and is headquartered in Rome, Italy.