Athens Water Supply and Sewerage Company (EYDAP) engages in water supply and refinement, and sewerage and waste management activities. The Company is involved in the analysis, construction, establishment, operation, exploitation, maintenance, expansion, and modernization/renewal of water supply and sewerage installation and networks. It operates a water distribution network, water refining units, a sewerage network and waste management centers. The Company also engages in irrigation and rain water collection activities. In addition, it produces electric energy through hydro, biogas, natural gas, and thermal energy sources.