Weltec Biopower GmbH

Weltec Biopower GmbH

WELTEC BIOPOWER GmbH is one of the world`s leading enterprises in the field of stainless-steel biogas plant construction. The company has planned, developed and built anaerobic digestion plants since 2001. Today, the medium-sized company has about 80 employees at the headquarters in Vechta, Germany, and has established more than 300 energy plants in 25 countries worldwide. The global distribution and service network spans five continents. The range of customers includes businesses from the agriculture, food, waste and wastewater industries.

Company details

Zum Langenberg 2 , Vechta , D-49377 Germany
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Globally (various continents)
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This company also provides solutions for other industrial applications.
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The strength of WELTEC BIOPOWER lies in custom-tailored design and technically mature solutions for projects up to 10 megawatt capacity. In this context, the high proportion of internally developed components is a key success factor. The company also owes its leading edge to the use of stainless steel. This enables the input of a diverse range of feedstocks, a fast and economic assembly and a consistently high quality standard ‒ regardless of the location.

After a biogas plant goes live, WELTEC BIOPOWER offers additional support through its experienced mechanical and biological service team. 24/7 availability and an in-house lab contribute significantly to the efficiency of the plant.

Nordmethan, a subsidiary company of WELTEC BIOPOWER, addresses another business area: The operation of biomethane plants and the provision of heat through energy contracting. In this way, the WELTEC Group covers the entire value chain of energy generation with biogas and biomethane ‒ from the plant construction to the plant operation.

WELTEC BIOPOWER plans, sells, supplies and erects biogas plants made of a special material: stainless steel.

Stainless steel represents longevity, purity, stability and thus very high quality.

As a result, stainless steel has come to symbolise for us the workmanship of our plants and services. To us that means:


Customers form the focal point of our attention and actions and set the standard for the quality of our products and services.

To ensure that customer satisfaction continues to increase, we have developed and implemented a quality and environmental management system and we are constantly working to improve its effectiveness—including in cooperation with our customers.


The inventiveness, motivation, high degree of personal responsibility and team spirit of our employees form the basis of our quality.

External Requirements

We attach great importance to all relevant standards and regulations in order to ensure safety.


Our processes are effective, efficient and transparent, and the areas of responsibilities are clearly defined.


WELTEC BIOPOWER's technology is innovative, high quality, reliable and economical over the long term.


WELTEC BIOPOWER shapes the future of renewable energies. We embark on new paths and are consistently implementing our innovative ideas.


WELTEC BIOPOWER is active in the renewable energies segment by planning and constructing biogas plants and thus assumes responsibility for future generations.

Our goal is to protect our resources and be able to offer our customers a lucrative integrated overall concept.

Since the foundation of WELTEC BIOPOWER in 2001, the company has continued to develop. Thanks to the innovative power of all WELTEC employees, we are always in a position to offer optimal biogas technologies.


To date: planning, delivery and construction of more than 300 biogas plants made of stainless steel all over the world, like in the USA, Japan, on Cyprus, in the Czech Republic or the UK


With the introduction of Kumac, the slurry and digestate processing technology, WELTEC wants to counteract the rising pressure of nutrient excess. The construction of an anaerobic stage at a wastewater treatment plant in Bavaria will open up another business area.


The WELTEC Group is growing: The biomethane plant in Ebsdorfergrund (Hesse) can be taken over. In addition, the biogas parc in Könnern is repurchased. With the order from Australia, WELTEC is also conquering the fifth continent in its history.


The first WELTEC plant on the South American continent is being built: The biogas plant in Uruguay is convincing with a special overall concept.


Individual plant concepts for waste-to-energy AD plants are a special area of WELTEC. Customers in Poland and Finland also appreciate this. But also in Germany a new plant is built: The biomethane plant in Arneburg is completed.


WELTEC BIOPOWER has completed its first AD plant in South Korea and has developed four new countries this year. The MULTIMix is also laucnhed. The liquid input system comminutes fibrous input materials and thus allows a wide range of substrate applications.


Demand in the Czech Republic is on the rise. One plant can be commissioned by WELTEC after a record building time of only four months.


The German Agricultural Society (DLG) awarded WELTEC with the 'DLG Fokus Test' for excellent plant performance.


Foundation of British subsidiary WELTEC BIOPOWER (UK) Ltd. In addition, WELTEC is one of the first plant builders to receive ISO certifications 9001 and 14001.


WELTEC BIOPOWER receives the building permit for the by the time world's largest biogas plant with direct feed into the natural gas network. The plant in Könnern is today an important sign of the biogas plant manufacturer.


About 40 plants are being erected throughout Europe by WELTEC in 2007. More and more countries are added to the reference map. The subsidiary AMBICO (USA) and the partner company WELTEC BIOPOWER ME s.r.o. (Czech Republic) are established. Due to the growth, WELTEC moves from Lutten to Vechta.


Biogas reaches the UK: WELTEC is building two of the fifteen very first plants on the island state. The early market entry proves to be groundbreaking. The United Kingdom will become one of the most important markets in the coming years.


Boom in Germany: Nearly 30 plants are being built by WELTEC in 2005. At the same time, the biogas specialist enters the US market.


WELTEC is planning a plant with a very special heat concept. A flower breeding company builds a biogas plant to supply its greenhouses with heat.


The first step towards internationalization: planning and construction of the first WELTEC plant in Sweden.


The demand for biogas plants in Germany is on the rise: already seven projects can successfully commissioned in the second company year.


WELTEC BIOPOWER GmbH was founded by the companies Stallkamp and WEDA on July 1, 2001. The aim is to provide individual and flexible solutions for the agricultural, waste and wastewater sectors worldwide. Organic energy worldwide.