We help you get maximum biogas from your organic wastes

Spans plans, sells, supplies and operates compressed biogas (CBG) plants to convert your organic wastes into energy and other useful products

Spans maximizes energy and resource recovery from any waste stream, transforming organic waste to energy, clean water and high-quality fertilizer and other recyclables. 

We provide complete, integrated energy and resource recovery solutions including technology, engineering and investments to set up the “waste to value” facilities. 

Our business model reduces customer risk and maximizes recovery in every project site across our 500+ applications. 

Covert Organic Waste to Useful Biogas

Our Integrated Resource Recovery Solutions Towards Building a Zero Waste Future


Segregated organic municipal solid waste 

Food Waste

Food waste from home and industrial kitchens including fats, oil and grease (FOG)


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Cow dung transformed: Renewable energy from waste through anaerobic digestion.

Energy Crops

Turn manure & energy crops into clean energy with our biogas solutions.

Industrial Waste

Reuse and recover useful byproducts from your industrial waste

We convert waste to resources, protect the environment and create a sustainable ecosystem for better business and life.

Integrated Solutions to
Maximize Resource Recovery

Clean Organic Energy and Resources

We provide end-to-end solutions for collecting, cleaning and converting your waste into energy and number of useful products. This helps you improve the operations and maintenance of your existing facility from compliance perspective


Generate clean energy from kilowatts to mega watts


Create marketable manure and fertilizers and eliminate disposal costs


Recover clean compressed biogas to use for beneficial purposes

Clean Water

Recover clean water from all types of wastewaters

Our Amazing Clients

We would like to hear from you.

Your Waste, Your Energy.

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