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Bilfinger Austria

Bilfinger Bohr- & Rohrtechnik | Bilfinger Industrial Services | Bilfinger Life Science

Bilfinger in Austria offers a comprehensive portfolio from planning and production to the construction and maintenance of process plants, which reduces interfaces and thus increases the efficiency of project execution. 

As part of the Bilfinger Group, we have a strong global network with extensive know-how and many years of experience. This cooperation enables us to respond to the needs of our customers worldwide. Our facilities help improve the quality of life and conserve resources. 

Below you will find specific information on the various Bilfinger companies and their services in Austria:

  • Bilfinger Bohr- und Rohrtechnik
    Plant Engineering and Construction in the segments of Energy, Commercial Heat, Technologies, Oil and Gas, Chemicals/Petrochemicals, and Nutrition
  • Bilfinger Industrial Services
    Industrial service providers from Plant Construction to Maintenance in the Commercial Heat, Power, Metallurgy, EI&C, Pharma, Oil and Gas, Chemical/Petrochemical sectors.
  • Bilfinger Life Science
    Engineering Process Units in the Pharma/Biopharma, Nutrition and Pure Water segments
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Products & Markets

Our Products


Our Bilfinger Inspection Solution (BIS) combines various inspection and supporting services into an efficient, single-interface solution for our customers.

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With decades of experience, we are in a position to offer our customers a full range of engineering services. These include concept, basic, detail and process design engineering. 

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Electrical and Instrumentation and Control (E&IC)

As a competent and manufacturer-independent service provider, we are aware of the sensitivity of your production plants and the importance of electrical, instrumentation and control technology (E&IC).

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We support our customers in the digital transformation of their work processes, develop intelligent systems for data collection and analysis, reduce costs through the implementation of digital systems and increase the efficiency of their plants.

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Our Markets


From planning to engineering and from installation to maintenance, we offer a full range of services in the energy sector.

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Chemicals & Petrochemicals

Bilfinger helps companies in the chemical and petrochemical industries find and implement solutions to make their plants more sustainable, efficient and future-proof.

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Bilfinger is a reliable and experienced partner to the food industry. With extensive expertise in process and procedural design, plant construction, assembly, we offer our customers comprehensive services from a single source.

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Pharma & Biopharma

As a plant engineering company for process plants, we use tried-and-tested project management and structured working methods to realize demanding large-scale projects with tight deadlines.

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Pure Water

Bilfinger offers customized solutions and a wide range of equipment perfectly suited for the production of semiconductors, batteries and other pure water applications.

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Oil & Gas

Bilfinger is an experienced partner to the global oil and gas market, providing upstream, midstream and downstream industrial services to clients of all sizes.

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Working at Bilfinger Austria

“HyGrid2”: Natural gas pipelines become hydrogen pipelines

  • For the first time, an Austrian natural gas pipeline will be converted to transport pure hydrogen for research purposes
  • The findings will facilitate and enable all grid operators to convert their gas pipelines in the future
  • The construction of a demonstration plant and the development of a manual will be used to support the European Hydrogen Backbone Initiative


Graz, Austria. Climate-neutral hydrogen has an important role to play in Europe's efforts to achieve its net zero greenhouse gas emissions target by 2050. By then, hydrogen will have replaced fossil fuels in many areas. The existing natural gas infrastructure is key to successfully transporting hydrogen. In the future, pipelines that were previously used for natural gas are to transport hydrogen to consumers. The European Hydrogen Backbone Initiative has also developed an implementation concept for hydrogen pipeline infrastructure that relies largely on converted natural gas pipelines.

Since October 2022, the “HyGrid2” project, supported by the Austrian Research Promotion Agency (FFG), has been conducting studies to facilitate the transport of pure hydrogen using existing natural gas infrastructure. A consortium consisting of the “Österreichische Vereinigung für das Gas- und Wasserfach” (Austrian Gas and Water Association – ÖVGW), research institutions and industrial services provider Bilfinger, under the leadership of Energienetze Steiermark GmbH, aims to put the knowledge gained in “HyGrid2” to use in an effort to answer open questions by 2025. The findings are expected to make future conversions possible. These include the inspection and cleaning of the pipelines, the quality of the transported hydrogen, the application-oriented purification of H2, and the H2 compatibility of the individual components and materials used.

In the course of the project, the first Austrian natural gas steel pipeline section in the grid territory of Energienetze Steiermark will be converted for hydrogen transport and developed into a demonstration plant with the help of Bilfinger’s Austrian subsidiary Bilfinger Industrial Services GmbH. The former natural gas pipeline will be operated with pure hydrogen under realistic conditions in order to gather insights needed for practical application.

The special challenge presented by the conversion lies, on the one hand, in the requirements for the purity of the piping systems. For existing pipelines that are converted to transport hydrogen, the previous use is relevant and has an impact on the quality. An additional factor in the "HyGrid2" pipeline conversion project is that the network section was operated with odorized gas, which means that gas that was mixed with odor-intensive substances: In Austria as well as in some other countries such as France and Norway, the nearly scentless natural gas is odorized with sulfur-based compounds when it enters the gas distribution network in order to make an unintentional gas leak detectable at an early stage. Within the framework of HyGrid2, studies to determine what impact piping systems that were used for odorized gas could have on the quality of transportable hydrogen are therefore essential for the operation of converted pipelines.

As part of its “Green Gas 4 Grids” research program, ÖVGW has already conducted the “HyGrid” pilot study to investigate which impurities can occur in the hydrogen when it flows through pipelines that have been repurposed from natural gas pipelines to pure hydrogen pipelines. Such impurities can include odorants or other components of natural gas.

Another challenge is the material suitability of the existing infrastructure for hydrogen transport. Here, in contrast to natural gas, so-called “hydrogen embrittlement” can occur, i.e. diffusion and dissolution of hydrogen in the microstructure of metal pipes. Over time, this can lead to pipeline damage and thus to the formation of leaks. Bilfinger intends to use the pipeline demonstrator to test the existing natural gas infrastructure for its suitability for hydrogen transport using various non-destructive testing methods and to modify it in whatever way necessary.

“HyGrid2” further aims to put the results of the pipeline demonstrator to use in order to create a manual for successful natural gas pipeline conversion. This manual will cover the technical, economic and legal framework conditions and will include the current state of science as well as the regulatory requirements and organizational processes. The reference manual will serve as a guideline to accelerate the conversion of natural gas pipelines for H2 transport in the future, so that green hydrogen can realize its potential for a fully sustainable and independent energy supply.

HyGrid² is a research project funded by the Climate and Energy Fund and conducted as part of the “Model Region Energy” WIVA P&G program.

Project consortium: Bilfinger Industrial Services GmbH, ÖVGW, DBI Gas- und Umwelttechnik GmbH, Energienetze Steiermark GmbH, Materials Center Leoben Forschung GmbH, HyCentA Research GmbH, Montanuniversität Leoben - Chair of General and Analytical Chemistry, WIVA P&G

Contact person

Katharina Schönebeck
Manager Group Communications

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