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.


Bio Méthane Seg

La Séguinière (49)

Feedstock sources

54 000 tonnes per year


Manure / Liquid manure

Cereal offal

Intermediate energy crops


160  Nm³/h of biomethane

Led by Bio-Méthane-Seg, this regional biomethane project brings together 27 farming businesses who were keen to diversify their income streams and jointly invest in effluent management. The plant processes 50,000 tonnes of agricultural waste – primarily effluents (manure and liquid manure). It produces 160 Nm³/h of biomethane, which is injected into the GRDF network.

Households supplied with gas
Gas-powered buses

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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