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.


Helping you at every stage of your biomethane plant project

We are a French company and a subsidiary of the KEON Group, specialising in biomethane production. Founded in 2005, we offer support at every stage of your project, from the feasibility study stafe through to construction and plant operation. With 20 years’ experience building biomethane plants, we now boast 90 operational plants in France and further afield.

We transform your waste into a sustainable source of energy.

As biomethane specialists, we offer solutions tailored to every need. Catering for everyone, from farmers to manufacturers to local authorities, we offer custom solutions based on your capacity and goals.

Supporting your project means supporting change.

We design and build your project working alongside you

Our design team provides support at the administrative and development stages of your biomethane project, from feasibility studies right through to the final connections, including help with compiling administrative and financial documents.

Our injection and cogeneration technologies

We specialise in the design, build and commissioning of biomethane plants. We adapt our solutions to the different feedstocks you use in order to optimise the performance of your future plant and ensure ease of operation. We can set up different processes including continuous stirred or wet digesters and dry digesters, as well as offering different biogas recovery methods such as biomethane injection and cogeneration.


projects in France
and further afield
Years’ experience

Group collaborations

Through our subsidiaries,
we assist with biomethane plant installation,
from project design through to construction and operation.

As local organic waste experts, we bring together waste producers and short-circuit biomethane plants to recycle waste on a national scale.

We help our clients with the operation and day-to-day maintenance of their biomethane plants to ensure security and performance.

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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Let's talk about your project