Summary
Details
- Europe
The Low Emission Steel Standard (LESS) is aimed at steel producers that want their production processes independently verified and their steel products labelled under the LESS classification system.
Deep dive
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Background
LESS Certification was created to give steel producers and buyers a more transparent way to identify lower-emission steel. As steelmakers pursue different decarbonization routes, customers need a consistent basis for comparing production-related emissions, scrap use, and product-level carbon information. LESS Certification addresses this by linking verified production data to a label that shows the steel’s classification, scrap share, and product carbon information.
The certification system sits within the wider Low Emission Steel Standard, which was developed through a stakeholder process in Germany and is now managed by LESS aisbl in Brussels. The system is designed to be technology-agnostic, meaning it can apply across different steelmaking routes rather than treating one production route as automatically low-emission. It also reflects the policy goal of creating lead markets for low-emission and near-zero steel, where buyers and public authorities need clear and comparable product information.
Methodology and Verification
LESS Certification is granted where a steel producer can show that its products meet the Low Emission Steel Standard’s classification and labelling requirements including:
Emissions classification: The steel product must be classified under the LESS scale, which covers low-emission classes and a near-zero category. The classification is based on production-related greenhouse gas emissions rather than a broad “green steel” claim.
Scrap-share disclosure: LESS requires information on the proportion of scrap used in the production process. This is central to the methodology because the system is designed to compare steel products while accounting for differences in primary and secondary material use.
Product carbon information: Certified companies must disclose carbon information for the finished steel product, including Product Carbon Footprint or Global Warming Potential information. LESS links this information to Environmental Product Declaration processes, while making clear that companies remain responsible for the accuracy of their reported values.
Defined product scope: Certification applies to specified product groups or production routes, not simply to the producer as a whole. Published certificates identify the certified producer, certificate number, certification body, validity period, and certificate documentation.
Third-party verification: A producer must have the relevant data and classifications checked by an approved independent certification body. LESS lists approved certification bodies and verified steel producers publicly, supporting traceability of claims.
In practice, LESS Certification requires a producer to substantiate how a steel product is made, how emissions are calculated, how much scrap is used, and which LESS class the product falls into. The result is a verified label that helps buyers compare low-emission and near-zero steel products on a more consistent basis.
Current Status & Outlook
LESS Certification is operational. LESS aisbl lists approved certification bodies and publishes certified steel producers on its website. The first LESS certificates were issued in 2025 to European steel producers, including thyssenkrupp Steel Europe, Salzgitter Flachstahl, and Peiner Träger.
The certification system is likely to become more relevant as steel buyers, construction firms, automotive manufacturers, and public procurement bodies seek clearer definitions of low-emission steel. LESS Certification may also support policy discussions around green lead markets by providing a structured label for steel products with verified emissions-related information.
LESS aisbl is continuing to develop the system, including through governance, certification-body approval, member participation, and alignment work with other steel sustainability standards. For producers, the certification offers a way to demonstrate decarbonization progress at product-group level. For buyers, it provides a more comparable basis for assessing low-emission steel claims.
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