Max Bögl and DWK have been working together since 2015. With the new agreement, they are now significantly increasing delivery and purchase volumes and expanding their strategic partnership for the coming years. Representatives of the companies signed the contract in Sengenthal on January 22, 2026. 

"Wind energy is a market of the future. Demand is growing, and our order volume has risen rapidly in recent years. However, we don't just want to build more towers; we also want to continue to live up to our claim as a technology leader. For us, this means ensuring that our towers are durable, environmentally friendly, and economical. That's why we rely on reliable partners and high-quality materials."

Stefan Braun, Commercial Director, Max Bögl Wind AG

"The new cooperation is set to last several years, and our shared goals are clearly defined: quality, delivery reliability, and technological advancement. DWK stands for these performance promises," explains Jörg Disteldorf, Chief Human Resources Officer at Saarstahl Aktiengesellschaft and DWK.   

Prestressed steel wire as an important element of tower safety 

In Max Bögl's Hybrid Tower Bögl, the upper part of the tower is made of steel, while the lower part, which is up to 120 meters high, is made of environmentally friendly concrete. The strength and quality of the prestressed steel wire are crucial to ensuring the stability of the concrete tower. The company manufactures up to 35 individual rings from environmentally friendly concrete and stacks them on top of each other with dry joints. To achieve the necessary stability, Max Bögl manufactures tendons and uses them to prestress the concrete tower. This prestressing is the most efficient way to transfer the high loads of the turbines to the concrete tower. Max Bögl has been using DWK's prestressing steel wire to manufacture the tendons for over ten years.

"Even though this wire may seem inconspicuous, it is crucial. Our long-standing cooperation with DWK has shown that we can rely on consistently high material quality. That's why it's clear to us that this partnership will enable us to continue setting the course for the expansion of wind energy in Germany in the future," says Stefan Braun.  

200 kilometers of prestressed steel wire per tower – demand is rising 

A hybrid tower has up to 24 tendons. Around 200 kilometers of prestressing steel wire are used to manufacture them. Max Bögl plans to build even taller towers in the future. This means that the demand for prestressing steel wire will grow in the coming years. The extension of the cooperation therefore involves a larger production quota. This benefits both sides.

"The long-term cooperation gives us the planning security to continue investing in new production facilities in a targeted manner," explains Jörg Disteldorf, "This ensures that our technology remains state-of-the-art."

Caption: Strong together for the energy transition: from left to right: Sebastian Weizer (Head of Component Production, Max Bögl Wind AG), Josef Knitl (CEO, Max Bögl Wind AG), Jörg Disteldorf (Head of Human Resources, Saarstahl Aktiengesellschaft and DWK), Tobias Thumann (Head of Purchasing, Max Bögl Wind AG), Stefan Braun (Commercial Director, Max Bögl Wind AG), Andreas Huf (Managing Director, DWK Drahtwerk Köln GmbH), Dr. Nadine Artelt (Sales Director, Saarstahl AG) 

Photo credit: Max Bögl Wind AG