Co-development of and co-investment in biomethane projects

Drawing on many years' experience, we help you develop your projects, from compliance with the relevant regulations right through to operation.


Operating and maintaining

Since 2014, we have helped optimize the performance of biomethane plants. To do this, we offer services that leverage all operational drivers requiring concurrent management.



As organic waste experts, we bring together waste producers and short-circuit plants to recycle waste and benefit the country as a whole.


Biogaz du grand Auch

Auch (32)

Feedstock sources

30 000 tonnes per year


Liquid manure

Sewage sludge



1067 kW of electricity

The Biogaz du grand Auch biomethane plant is equipped with infinitely mixed digester technology. The biogas is converted into 1,067 MW of electricity via a cogeneration unit. This regional project recycles over 40,000 tonnes of waste every year.

Households supplied with electricity
Tonnes of CO₂ avoided

Get in touch

Call us

Need help or have a question about your biomethane project? We're available from 8 am to 6 pm, Monday to Friday. Feel free to get in touch if you need our help.

+33(0)1 57 21 34 70

Come and see us

Want to meet us in person? 
You can find us at 52 rue Paul Vaillant Couturier - 92240 Malakoff or at 3 Rue Galilée - 44 340 Bouguenais

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