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Siemens develops roadmap for digital transformation of global glass manufacturer Steklarna Hrastnik

  • Siemens works with Slovenian company to develop detailed roadmap including schedule, technology recommendations and return on investment data
  • By implementing the measures, Steklarna Hrastnik aims to improve productivity, flexibility and sustainability 


With a joint digitalization consulting project, Steklarna Hrastnik and Siemens developed a tailor-made strategy for the company’s digital transformation over the next five years. By investing in production automation and digitalization, Steklarna Hrastnik has been laying the foundations for its digital transformation over the past eight years. One of the aims behind the company’s transformation into a smart factory is to improve its niche position in the high-end sector. The company’s management is confident that by implementing the measures outlined in the roadmap, it will not only increase its production capacity and cut production time, but also improve its flexibility and so reduce its response rates to individual customer requests. “By implementing Industrie 4.0, we will additionally upgrade our ability to produce the most technically complex bottle shapes and achieve even greater precision in our production. This way, we’ll be able to further increase quality, productivity and efficiency, which will significantly shorten the time from the order to its realization. As a consequence, we plan to increase our market share in special glass bottles in the highest quality class,” emphasized Peter Čas, CEO of Steklarna Hrastnik.

Employees at Steklarna Hrastnik have already been prepared for the impending changes and have acquired the new skills and competences required to guarantee a successful transition to the smart factory. By introducing advanced technologies, Steklarna Hrastnik also aims to achieve lower energy consumption which will further improve its environmental footprint.

“Siemens is convinced that a comprehensive approach to digitalization has the most sustained and positive impact. It starts with a complete analysis that ensures that subsequent solutions will be optimally adapted to the specific needs and scope of companies like Steklarna Hrastnik. A non-Siemens-specific, product-neutral, customer-oriented strategy is a top priority,” Bernhard Saftig, Head of Vertical Glass at Siemens, explains..

Digitalization consulting with concrete technical and economic recommendations

Around the world, industrial companies are facing new challenges in terms of the flexibility, efficiency and quality of their production. These challenges can only be tackled through digitalization. Small and medium-sized enterprises in particular need to be sure that they are making the right long-term investment in digitalization. To help them achieve this, Siemens is working together with customers as part of its digitalization consulting service to develop a detailed roadmap which includes everything from a schedule and technical recommendations to return on investment data. The first projects to result from this digitalization consulting service have already been planned and implemented at Steklarna Hrastnik.

Unbroken catch-up demand for digital transformation in Europe

Bernhard Kienlein, Head of Process Industries and Drives Division at Siemens in CEE (Central and Eastern Europe), is confident that digitalization consulting will be an important future market for Siemens. “The potential for improvement in terms of Industrie 4.0 remains at the same high level in Europe – although the same applies to the associated challenges. So it’s good to plan digitalization projects on a company-wide basis," says Kienlein. The benefit is obvious: The financial resources invested in a digitalization project can be used to most efficient and optimum effect on the basis of the results and recommendations provided by Siemens Consulting. This provides companies with vital support in achieving and improving their economic goals.

Annual productivity gains of up to 9.8 percent possible

A study recently carried out by Siemens Financial Services (SFS) entitled “The Digitalization Productivity Bonus: Sector Insights” provides evidence that investing in digitalization certainly pays off and that considerable productivity gains are possible. According to the study, by automating and digitalizing their production systems with all the associated improvements to productivity, manufacturers can increase their manufacturing productivity by reducing their production costs relative to total sales by up to 9.8 percent. Companies can use the released liquidity in other areas such as investing in and successively financing new technologies. Further details of the SFS study are available at

About Steklarna Hrastnik

Steklarna Hrastnik based in Slovenia looks back on 157 years of tradition. It produces technically complex glass products using one of the clearest glass types in the world, and uses its expertise to manufacture a wide range of products from tableware to packaging glass. The packaging glass division produces sophisticated, specially shaped bottles for the spirits and perfume industries to the highest standards of design and quality. Steklarna Hrastnik is considered one of the world’s top addresses for super premium packaging glass. Its technically optimized bottles made of brilliant clear glass visually enhance the end products of its clients. The company’s production plants are based on a sustainable model which enables it to produce top-quality glass products with motivated employees, as well as reducing its environmental impact despite a steady increase in capacity. Steklarna Hrastnik employs a workforce of around 700, generated annual revenue of 57.6 million Euro in 2017 and exports 97 percent of its production to 55 counties around the world.



Peter Čas, CEO Steklarna Hrastnik: “By implementing Industrie 4.0, we will additionally upgrade our ability to produce the most technically complex bottle shapes and achieve even greater precision in our production. This way, we’ll be able to further increase quality, productivity and efficiency, which will radically shorten the time from the order to its realization.”

Steklarna Hrastnik based in Slovenia looks back on 157 years of tradition. Working with Siemens, the renowned glass manufacturer is currently developing a detailed roadmap for the company’s digital transformation – including a schedule, technology recommendations and return on investment data.

With its transformation into a smart factory, Steklarna Hrastnik aims to improve its productivity, flexibility and sustainability.


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