The Greek philosopher Aristotle explains excellence or virtue (arete) in terms of fulfilment of purpose:

"The excellence of the horse makes a horse both good in itself and good at running and at carrying its rider."

Aristotle, 350 BCE

Asia biogas Declaration

In November 2019, Asia Biogas made the Biogas and Climate Change Commitment Declaration along with other corporate members of the World Biogas Association. We call on governments to act urgently to unlock the biogas potential to cut global greenhouse gas emissions by at least 12% within 10 years.  If all barriers were removed, the biogas industry could abate up to 4 billion tCO2e annually – that is the equivalent of all the emissions of the EU28 in 2017 – and create 10 million jobs.  The Asia Biogas team is committed to making an outsized contribution to tackling climate change by designing the best biogas systems and maximising biogas production from agricultural and organic waste.

Click on photo to read World Biogas Association Declaration

Design & Construction

Asia Biogas has 19 years’ experience design and building anaerobic digestion biogas systems in Southeast Asia. We operate the systems that we build: our experience as a biogas plant operator is an advantage for our EPC clients. We know what works, what is reliable and what performs best in a hot and humid tropical environment.

Operation & Maintenance

We have 17 years’ experience as an operator including at the largest biogas plant in Thailand. All our operating experience is in hot and humid tropical conditions. In this region, our understanding of biogas operations is best in class. In the last 2 years we refurbished and re-covered three old covered lagoon digesters in Thailand.

Carbon Offsets

We have UNFCCC-registered Certified Emission Reductions available for sale for carbon offset purposes and in 2019 we made the first sale of International Renewable Energy Credits (IRECs) from a Thai biogas to power project. We offer impact carbon offset buyers a promise: we will re-invest 100% of carbon revenues in new biogas systems thereby maximizing impact.

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We have a long history of developing biogas projects in the cassava starch and palm oil industries on a build own operate transfer basis. In 2002 we competed Thailand’s first cassava starch wastewater BOT project – Korat Waste to Energy.  Now some 73% of cassava starch factories in Thailand use biogas as their primary source of thermal energy.

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Biogas – a mixture of methane and carbon dioxide – can be upgraded to provide a reliable supply of biomethane or renewable natural gas.  This clean, carbon-negative fuel can replace compressed natural gas as a vehicle fuel.  With assistance of grants from the Thai department of alternative energy development and efficiency and Finland’s foreign ministry we completed our first CBG project in Rayong Thailand in 2019.  


Our focus in Indonesia is to capture methane and produce biogas at palm oil mills.  Indonesia’s palm oil mill waste can produce more than 5 billion Nm3 of methane or about 13% of its natural gas demand.  Capturing methane will cut potent greenhouse gas emissions by more than 40 million tonnes of CO2 equivalent per annum and help the palm oil industry to produce palm oil more sustainably.   

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