Athens Water Supply and Sewerage Company S.A., together with its subsidiaries, engages in the water supply and refinement, and sewerage and waste management activities in Greece. The company is involved in design, construction, installation, operation, maintenance, development, and modernisation/renovation of water supply and sewerage facilities. It operates a water distribution network of 14,500 kilometers; manages four water treatment plants with a total daily capacity of 1,900,000 cubic water meters; a sewerage network of 8,716 kilometers; and three wastewater treatment centers in Psyttalia, Metamorphosis, and Thriasio. In addition, the company engages in irrigation and rainwater collection activities. Further, it produces electric energy through hydro, solar, biogas, and natural gas sources, as well as involved in EWS operations and maintenance contract. Athens Water Supply and Sewerage Company S.A. was founded in 1980 and is based in Athens, Greece. The company operates as a subsidiary of Hellenic Corporation of Assets & Participations S.A.