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Aqualia is a double nominee for the most prestigious awards in the water industry, the Global Water Awards.

The company formally opted for two awards in the 2025 edition of the Global Water Awards, presented by the important media and market intelligence platform GWI. Two important infrastructure projects developed by Aqualia have been recognised in the categories of best desalination plant of the year (Mar de Alborán, Almería) and best treatment plant (ETAP O Casal, Vigo).

Each of these plants thus becomes one of the 4 best plants in the world in its category, according to GWI, and competes with 3 large plants worldwide in these awards, whose decision will be announced on 13 May in Paris, at a ceremony held as part of the important Global Water Summit event. The jury was able to see in both plants solid arguments for their inclusion in the shortlist, mainly linked to management efficiency, technology and environmental and social sustainability.

Mar de Alborán Desalination Plant

This project is based on the rehabilitation of an abandoned seawater desalination plant located in the Cabo de Gata-Níjar Natural Park in Almería.

Unlike most desalination plants, this plant is ultimately intended to produce water for agricultural irrigation. The comprehensive rehabilitation was carried out following the acquisition of the plant in 2019, with equipment supplied by LG Chem, Sulzer and Energy Recovery. Located in one of the driest regions of Spain, the plant provides vital water for more than 3,000 hectares of greenhouses, helping farmers affected by water shortages. It uses thin-film nanocomposite reverse osmosis membranes to remove boron and protect irrigated crops. The project was designed with sustainability and the protection of the natural park in mind, ensuring minimal impact on the local environment.

O Casal Water Treatment Plant

The O Casal water treatment plant in Vigo has been expanded and completely refurbished to serve some 500,000 people in Vigo and surrounding areas, meeting the highest European standards through the innovative use of ultrafiltration membrane treatment.

The project was carried out by Aqualia for the Municipality of Vigo, with membranes supplied by Inge (DuPont). The solution chosen in its design presents a novelty in Spain for the use of ultrafiltration for drinking water, ensuring water resources in the face of the risks of climate change and meeting the demanding and growing quality demands. The project was completed without disrupting existing operations, using an innovative vertical design to optimise the limited site space.