100% of the projects
we support come to life

At KEON, we work with you at every stage of your biogas project: from feasibility studies to drawing up business plans, overseeing construction and finally, operation. Our goal? Ensuring the success of your project from start to finish.


Collaborative development, investment and operation

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We co-develop your biogas project

Specialised in the co-development and co-investment of regional biomethane projects, we support farmers, communities, manufacturers and key energy players. We also go a step ahead by offering complementary solutions like bio-CNG refuelling stations, biogenic CO₂ recovery, and the installation of solar panels for self-consumption.

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We secure your investment

Bank loans, proof of equity, grant applications – we help you build a solid business plan. Our experience and relationships with key players in the biogas sector enables us to be a trusted, all-round partner for your project.

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We optimise the long-term performance of your plant

A successful biomethane project is not just about good design and launch. Optimising plant operation is equally crucial. This is why we conduct regular audits and assessments to ensure the continued performance and longevity of your projects.

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REMOVING BARRIERS
TO ACCELERATE YOUR PROJECTS.

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Our latest achievements

VGAZ 24

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A project led by KEON, agricultural business SCAR, farming cooperative UDCA and SEM 24, this biomethane plant was built by NASKEO. It processes 30,000 tonnes of agricultural waste to generate 24.7 GWh HHV (260 Nm³ CH₄/h) of biomethane that is injected into the GRTgaz network. The plant also produces 25,000 tonnes of digestate a year […]

Biogaz des marches de Bretagne

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KEON has joined forces with 14 farmers, the local semi-public company Energ’iv, BreizhÉnergie, Energie Partagée, the Couesnon Marche de Bretagne local council community, the Pays de Fougères SMICTOM (public service) and LLC Vadma to develop and co-finance a regional biomethane plant in the commune of Maen Roch in the French department of Ille-et-Vilaine. The plant […]

Meth’Innov

Meth’Innov

Led by the Coop’alia cooperative, energy company Séolis, a group of farmers and KEON, this NASKEO-built plant processes around 36,000 tonnes of organic waste each year, generating 20 GWh HHV of biomethane that is injected into the GRDF grid. The digestate produced is used on local farms.

€40M

To Invest

50

Projects By 2035


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Building your biogas plant

With over 90 biogas plants currently operational in France and abroad, our experience is our greatest asset ! We study your needs and build your biogas plant accordingly: developing a collaborative project or providing you with our turnkey MONO-MÉTHA® solution.

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Maximising your biogas plant productivity

Specialised in operations and maintenance, we help optimise plant performance. We do this by leveraging our technical and operational expertise to maximise daily output and guarantee optimal productivity.

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Sourcing and securing feedstock supplies

Specialised in local organic waste circuits, we connect feedstock producers with biomethane plants in order to secure and recover value from waste for sustainable, local use.

CAPCOO

Secure Your Food-Grade Liquid CO₂ Supply

CAPCOO captures and upgrades CO₂ from biogas plants. This farmer-led collective offers industrial players a local, reliable supply of food-grade CO₂, a sustainable alternative that supports decarbonisation and circular economy goals.

Contact us

We are here to help !

Call us :

+33(0)1 57 21 34 70
From Monday to Friday, between 8 a.m.
and 6 p.m.

Come meet us

52, rue Paul Vaillant Couturier, 92240 Malakoff
3 rue Galilée, 44340 Bouguenais 

Let's talk about your projet