France’s largest biomethane plant inaugurated in Seine Valenton

The Seine Valenton biomethane plant, the largest in France, will transform sewage into renewable energy, supplying 10,000 homes and reducing 9,000 tonnes of CO₂ each year.
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SIAAP y Veolia inauguran planta de biometano

SIAAP and Veolia authorities have inaugurated a facility in Valenton with a major impact on France’s energy transition. The facility has a treatment capacity of 1,300 Nm³/h of biomethane, and is emerging as the largest biomethane production unit from wastewater in the country.

The biomethane plant in Seine Valenton

The Seine Valenton plant has the potential to supply 45 GWh of decarbonising energy to the GRDF grid, enough to meet the consumption of more than 10,000 households each year. The project is the result of two years of studies and construction in collaboration with Veolia subsidiary Biothane , enabling sanitation to be a source of renewable energy and contribute to carbon neutrality.

The opening event was attended by public figures such as François-Marie Didier, President of SIAAP, Antoine Frérot, President of Veolia, and Laurence Poirier-Dietz, CEO of GRDF, who highlighted the achievements of this plant in the context of a city committed to the environment and energy sustainability.

This initiative strengthens SIAAP ‘s position as a benchmark in wastewater biogas in France, as well as avoiding the emission of approximately 9,000 tonnes of CO₂ each year. The Seine Valenton facility is projected as a model of energy self-consumption and regional synergy in the fight against climate change, aligning with the goals of reducing dependence on fossil fuels and strengthening the circular economy in Île-de-France.

With this plant, SIAAP and Veolia are launching a pioneering infrastructure and consolidating their role as major players in France’s energy transition, combining wastewater treatment with renewable energy production for the benefit of the local community.

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Source and photo: SIAAP

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