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Organic energy worldwide


Since 2001 Weltec has developed into one of the world's leading specialists in the construction and operation of biogas and biomethane plants. To date, we have implemented over 350 energy plants in 25 countries on 5 continents for our customers from the waste and food business, agriculture and the wastewater industry.

With the conception, planning and construction of anaerobic digestion plants, permanent and temporary plant operation, 24/7 service and sustainable usage concepts for the output flows, our company group covers the entire biogas value chain.

The establishment of individual, technically mature solutions up to a plant size of 10 MW is one of the strengths of WELTEC BIOPOWER. The high proportion of custom-developed components is a key success factor. Moreover, the use of stainless-steel technologies ensures flexible substrate input, quick and inexpensive assembly and a consistently high quality standard, regardless of the location. Following commissioning, WELTEC's mechanical and biological service plays a significant role in ensuring plant efficiency.


Duranzo, Uruguay (2014) project supplied by diary effluent of 14,000 cows providing 800 kW-e capacity.

Urahoro, Japan (2022) project supplied by 30,000 tonnes/year of dairy effluent providing 250 kW-e capacity



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STRABAG AG, Direktion Nordwest, 2, Zum Langenberg, Tonnenmoor, Vechta, Vechta district, Lower Saxony, 49377, Germany
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