Environmental aspects

The Biovalsan project is fully in line with the drive toward a lower-carbon, locally based energy model. Its objective is to initiate, in Strasbourg, the transition toward a locally based lower-carbon energy model, less dependent on imported hydrocarbons and environmentally friendly. In a nutshell: a sustainable model.

Biovalsan will enable the wastewater treatment plant (WWTP) to:

-          achieve double the objectives of the Urban Community of Strasbourg’s Territorial Climate Plan for reducing greenhouse emission gases, five years ahead of schedule.

-          meet 90% of the 2050 objective of the Energy and Climate Plan of the European Union (Factor 4), 35 years ahead of schedule.

Thus the investments planned for the Wantzenau WWTP are targeted to:

  • Reduce the wastewater treatment plant’s CO2 emissions by 6,000 tonnes/year through more efficient use of the biogas produced by the two existing digesters.
  • Create a local biomethane industry that will widen the 'virtuous circle' and promote the emergence of new projects (new eco-neighbourhoods, vehicles running on biomethane fuel/bio-NGV, etc.).

Apart from these aims related to the Climate Plan, Biovalsan is a pilot project. It serves as an observatory and testing ground, and its performance will be monitored at national and European levels. In this respect, the local environmental impact may be reflected in other communities at a potentially significant exponential rate. Indeed, the Strasbourg Biovalsan project may trigger a European momentum for feed-in of biomethane produced by wastewater treatment plants.

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