The fight against climate change demands a collective commitment to produce green and innovative forms of energy capable of meeting local needs. Today, biogas can be produced from the secondary raw materials made from wastewater, which are then transformed into energy in order to supply the natural gas or public transport networks. In recent years, technological progress and government policies have opened the way for the development of biogas that will allow towns and cities to step up their transformation. Where does biogas stand in France today, one year after the adoption of the law on the energy transition?
Biogas is produced by the biological deterioration of organic materials. When wastewater is treated, the digestion of sludge from the purification process produces biogas, which is a source of energy. The purified biogas produces biomethane, a renewable source of energy offering the same benefits as natural gas. The compressed or liquefied biomethane can then be injected into the network and used as fuel in numerous types of vehicles: bioNGV for cars, buses and waste collection trucks, and bioLNG for heavy goods vehicles. Biomethane, which is renewable, non-polluting and produced locally, represents a new energy solution that is efficient and environmentally friendly. In addition to these ecological benefits, biogas is also economically advantageous for local authorities. It is a source of employment that cannot be relocated and it helps the regions to become less dependent on fossil fuels.
France recognised the benefits of biogas back in 2011 by including it in its environmental roadmap, and by authorising the injection of biogas produced from agricultural waste into the main natural gas network. At the demand of local authorities, this authorisation was extended to the injection of biomethane from purification stations in 2014. By 2020, the reuse of wastewater should produce the energy corresponding to the consumption of 40,000 households.
|The French government published its Energy Transition law in 2015, followed by an ordinance in April 2016 for the development of biogas, confirming the key role that it will play in France’s energy future: “Biogas contributes to the development of renewables, to the reduction of greenhouse gas emissions and to the development of the circular economy, by reusing waste that is produced locally. […] This form of reuse, which has been encouraged by the sale prices introduced in 2011, will help to achieve high levels of energy efficiency and to reach the target of 10% of gas from renewable sources in the nation’s gas consumption in 2030.”
More than 300 technically feasible injection projects have already been declared to the natural gas network operators. In March 2016, 18 sites were injecting biomethane into the main gas networks.
Local authorities were quickly attracted by biogas. Strasbourg was the first city to inject biogas from a purification station into its gas network, just one year after the government order authorising this process was published. The Biovalsan project, launched jointly by SUEZ and Eurométropole, aims to produce 1.6 million cubic metres of biomethane, representing an annual energy potential of 16 GWh, which is enough to supply 5,000 housing units.
|In France, biogas is also seen as a mean of developing sustainable mobility. A region with 100,000 inhabitants can produce enough biomethane to generate 3 GWh, or the annual energy consumption of 20 buses, 20 waste collection trucks or 100 passenger vehicles, representing savings of 525,000 litres of diesel.|
SUEZ, a reference in France for waste recycling & recovery
Faulquemont (France) - In June 2015, SUEZ inaugurated a new center for organic recovery with biogas plant fully developed by the Group to supply the territory in green electricity and heat. A solution to produce local energy solution in accordance with the energy transition.
40 km from Metz (France), the commissioning of the new unit of Faulquemont marks a concrete step in the energy transition of the Moselle area. SUEZ tranforms organic waste from industry and distribution, communities and agriculture into new energy resources. Used locally, the produced green energy can cover more than 70% of the needs of ISMERT, the neighboring industrial, specializing particularly in the washing of tanks and containers, and supply electricity to the network of the city of Metz.
Combrée (France) – Since January 2016, SUEZ is the major shareholder of Meta Bio Energies recovery center. This center specializes in energy recovery from bio-waste by anaerobic digestion and the production of organic soil amendments.
Meta Bio Energies produces new sustainable resources via the transformation of organic waste, mainly from the food industry, large producers (supermarkets and restaurants), agriculture and municipal green waste, energy and products fertilization. The plant recovers waste to produce up to 8,000 MWh of electricity, the equivalent of the electricity consumption of more than 2000 households. Electricity and green heat produced through the anaerobic digestion unit allow a reduction in emissions of carbon dioxide of around 1,400 tonnes per year.
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