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November 6, 2023

A Replay to understand biomethane: a mature alternative energy source

Our aim with this new webinar is to continue educating our members and beyond, logistics and supply chain professionals about the various green fuels. Biomethane in particular is a renewable energy at the crossroads of our country's energy, ecological and economic challenges, enabling us to obtain a renewable fuel called bioGNV. Our guests share their expertise on green gases and answer your questions: where to buy and at what cost? How efficient is it for mobility? Discover the many advantages and prospects of this alternative fuel for decarbonizing our supply chains.

Ambitions: to generate nearly 20% green gas in the French gas mix by 2030 and 100% by 2050

Our speakers :

  • Élodie Dupray, Head of the BioNGV/NGV Mobility Division at GRDF
  • Rami Hariri, Biomethane Delegate at GRDF

Green gas production methods and their maturity

There are several green or biogenic gases. They are made up of the same chemical molecules as fossil gas, but are produced in a faster, sometimes synthetic cycle. The first method of obtaining biogas is methanization, based on the anaerobic digestion of organic matter.

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The different green gas production processes

In France, there are a number of different green gas production processes with varying degrees of maturity. For example, hydrothermal gasification, which uses wet biomass, slurry, sludge or microalgae, will go from R&D to the 1st network injection projects in 2025. Conversely, electrolysis with or without methanation will reach theindustrialization stage over the same timeframe.

Focus on biomethane

Biomethane is already circulating in our networks and is developing strongly thanks to mature technology. In the digester, we recreate the internal conditions of a cow's rumen: heat and agitation. The gases released by the decomposing organic matter are collected with virtually no loss of yield. The special feature of methanization is that it produces 2 products:

  • biomethane ;
  • digestate, which can be used as fertilizer instead of chemical fertilizer by farmers.

Methanization production capacity has grown exponentially in France thanks to a new regulatory framework. The distribution of production sites (mainly in Brittany and the north of France) highlights its links with the agricultural world and the agri-food industry.

How can biogas help us meet our Fit For 55 targets?

Studies show that our gas consumption will continue to fall as a result of behavioral changes (sobriety) and efficiency improvements (processes, technology, buildings). At the same time, French green gas production will grow to cover our total gas needs by 2050.

Renewable energy for mobility

Some territories already have 20% of green gas molecules in their network, while others have only 3%. It is therefore essential to bring usage and production closer together, in order to meet demand and enable people throughout France to run on biomethane fuel.

Based on a lifecycle analysis, a truck running on bioNGV reduces its GHG emissions by 80% (ADEME carbon base).

90% of goods flows can be carried out using BioGNV, thanks to its long range (up to 700 km, equivalent to a driver's tour) and its wide range of vehicles: heavy vehicles (goods, waste and passenger transport) as well as industrial trucks.

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Vehicle ranges suitable for BioNGV/GNV

Inputs already widely available

The organic matter used to generate bioNGV does not compete with the needs of biofuel production, for example. Furthermore, the use of inputs and the need for agricultural land are highly controlled and limited. More than 90% of needs are covered by livestock effluents, intercrops that do not use biomass, and waste from the agrifood industry.

How to run on biomethane, and at what price?

There is indeed an additional cost to purchasing a CNG vehicle, but this is offset by :

  • a more accessible fuel ;
  • regional or local aid ;
  • free vehicle registration (or half price);
  • bonus depreciation.

To answer this question fully, several factors need to be taken into account, including how production is financed and legislative incentives. Tools have been developed to calculate the TCO and compare the cost of a biogas vehicle with other energies (electric, bio-fuel or diesel).

To find out more about the challenges of biogas (grid flexibility, connection, etc.), its cost and its impact on your decarbonization strategy, we invite you to watch the replay. This members-only video features a timeline so you can view only the parts that interest you.

To remember

It is estimated that biomethane provides a partial response to 3 major challenges:

  1. decarbonizing our energy ;
  2. decarbonizing our agriculture;
  3. waste management.

TO view the replay and discover the answers to the questions asked during this webinar

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