ACEA SpA is an Italy-based company engaged in the utility sector. The Company focuses on the production, sale and distribution of energy as well as environmental and water services. It operates through five segments. The Water segment collects, purchases, transports and distributes drinking water, and manages the sewerage system and the purification of wastewaters. The Energy segment manages the transmission and distribution of energy. The Networks segment includes its own aqueducts and networks managing the entire water cycle. The Environment segment provides laboratory, research and related consultancy services on the environment and control functions within the water cycle. The Other Services segment refers to design and management of the public lighting system for roads, museums, monuments and archeological sites. It operates mainly in Rome and other municipalities in Lazio. As of December 31, 2013, the Companyâ€™s major shareholder was Comune di Roma.