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9 oktober 2025

Knowledge sharing as a differentiator in environmental efforts

Fundamental to our strategy is that we as distributor add value to our customers and other relevant stakeholders by sharing our knowledge about the market, products, and not least sustainability practices. In other words, we aim to provide our customers with a valuable advantage and bring transparency to areas that can be complex and particularly resource-intensive to navigate in.

In early 2024, HOFOR commenced their new Regnemark waterworks - set to become Denmark’s largest. This ambitious initiative is not only notable for its scale, but also for the bold sustainability framework integrated into its procurement and construction processes. HOFOR, together with project lead Vand & Teknik, took a forward-leaning approach in defining and enforcing detailed requirements on CO₂ emissions, scrap content, and ISO-certification documentation across the supplier network.

Damstahl participated as a supplier of key piping and flow components for the process plant. But more than a traditional supplier role, our involvement evolved into a close collaboration with HOFOR to help clarify what valid sustainability documentation can and should look like in practice. During the tender phase, we contributed perspectives on traceability of CO₂ data and provided input on how supplier documentation processes can be structured for relevance and credibility with Vand & Teknik. This dialogue ensured that the ambitious documentation demands were actionable and implementable.

As the project unfolded, HOFOR hosted a seminar to reflect on learnings and strengthen sustainability documentation practices in upcoming projects. Damstahl was invited by Vand & Teknik to share our concrete experiences in Knowledge sharing as a differentiator in environmental efforts Fundamental to our strategy is that we as distributor add value to our customers and other relevant stakeholders by sharing our knowledge about the market, products, and not least sustainability practices. In other words, we aim to provide our customers with a valuable advantage and bring transparency to areas that can be complex and particularly resource-intensive to navigate in. sustainable stainless-steel sourcing - not only around emission data and EPD collection, but also on challenges in the market that customers and planners need to be aware of. For example, we highlighted how the availability of CO₂-reduced materials varies significantly across dimensions and grades. While some base materials are already well-covered by sustainability initiatives, others - particularly fittings and flanges - are still catching up. This knowledge is crucial for setting realistic yet forward-looking boundaries for upcoming projects.

We also emphasized how clear dialogue and early involvement between clients, consultants, and suppliers help unlock better outcomes. Through tools like our Climate Calculator and direct sourcing knowledge, we are ready to support both documentation efforts and strategic planning for sustainable procurement.

The Regnemark waterworks has shown how well-defined requirements - when co-developed with stakeholders - can raise the bar without blocking progress. It also demonstrated the value of structured collaboration: HOFOR’s strategic direction, Vand & Teknik’s coordination, and supplier input all contributed to building a shared knowledge base for future infrastructure projects. We see a strong benefit in continuing this kind of exchange and welcome opportunities to support other forward-thinking customers and consultants in shaping effective sustainability criteria. When we work together from the outset, we can make sustainable choices more accessible, scalable, and meaningful. The Regnemark waterworks exemplifies how Damstahl actively leverages knowledge as a concrete tool for bidding on projects.

The Regnemark waterworks is just one significant example of our ongoing communication with customers regarding providing knowledge on the sourcing of CO₂- reduced products, based on the data from our Climate Calculator.

About Regnemark

The Regnemark plant will be Denmark’s largest waterworks, supplying the Greater Copenhagen area with more than 14 billion liters of drinking water annually. The plant is part of HOFOR’s large-scale project, which includes the modernization or building of eight regional waterworks. Once the modernization is complete, 75% of HOFOR’s water supply to the Greater Copenhagen area will have a lower lime content securing softer water for Copenhageners. Vand & Teknik is project lead on the water treatment plant. The project began in January 2024 and the waterworks is expected to be completed and ready for operation in 2027.

Climate Calculator


Damstahl's Climate Calculator provides a helping hand to companies needing assistance with precise measurement and reporting of their CO2 footprint. 

With this tool, you can see your company's total carbon footprint and get an overview of how the emissions are divided into different categories such as energy, transportation and purchase. You can also easily access detailed order history, including the CO2 footprint for each purchase.

The Climate Calculator is based on the international Greenhouse Gas Protocol, which will show you how your company's carbon footprint is allocated in scope 1, 2 and 3.

This data can be used to ensure your organization is compliant with EU regulations and it will give you an insight into the CO2 impact of your entire value chain.

Knowledge sharing as a key to CO₂-reduced solutions