In this field Elecnor has specialised in multidisciplinary projects encompassing both water resource planning and water transport and distribution networks. It also has proven expertise in the use of large-scale electromechanical systems in the water industry and in automation and control projects. It has developed its own proprietary SCADA-based remote data acquisition and hierarchical communications systems.

Through its subsidiary, Hidroambiente, the company specialises in developing a range of water treatment solutions. Its more than 20 years in the sector have made it into an industry leader.

With its subsidiary Audeca, it has the capability of taking on water and wastewater treatment projects for urban water supply and processing systems, and it specialises in multidisciplinary projects that involve both water resource planning and water transport and distribution networks.