Cepsa to produce green hydrogen in Cadiz from recycled waste water

In Spain, Cepsa will produce green hydrogen at its San Roque Energy Park (Cádiz) by reusing recycled water from a wastewater treatment plant (WWTP). To this end, the company has reached an agreement with the public company Aguas y Servicios del Campo de Gibraltar (Arcgisa) for the supply of recycled water from the urban effluents of the municipalities of San Roque and Los Barrios at its industrial facilities.

The agreement is another step in the development of Cepsa’s Andalusian Green Hydrogen Valley, the largest green hydrogen project in Europe which will be located at its Energy Parks in Huelva and San Roque with a 3 billion euro investment.

The treatment and purification of urban water for industrial use will be carried out in the new wastewater treatment plant (WWTP) that the Association of Municipalities and Arcgisa plan to build on land near the Energy Park facilities, which was ceded years ago by Cepsa to the City of San Roque. This new facility will have tertiary treatment for wastewater that will amount to 4.2 million cubic meters per year, which will no longer be dumped into the sea, but instead reused by Cepsa in its facilities. This is equivalent to the yearly average water consumption of more than 21,000 four-person households.