The Global Fossil Free Steel Market was valued at USD 203.5 Billion in 2023 and is projected to reach USD 527.8 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 15.4% during the forecast period (2024–2030). This explosive growth is fueled by stringent global decarbonization policies, rising demand from the automotive and construction sectors for low-carbon materials, and significant technological advancements in hydrogen-based direct reduction (H-DR) and electrolysis processes.

As the global steel industry, a major contributor to industrial CO₂ emissions, accelerates its transition toward net-zero operations, the spotlight is on the pioneering companies developing and scaling fossil-free steel production methods. In this blog, we profile the Top 10 Companies in the Fossil Free Steel Industry—a dynamic mix of established steel giants and ambitious green-tech startups fundamentally reshaping the future of one of the world’s most essential materials.

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🔟 1. SSAB

Headquarters: Stockholm, Sweden
Key Offering: SSAB Zero™, SSAB Fossil-free™ steel

SSAB is a global leader in the fossil-free steel revolution. Through its groundbreaking HYBRIT (Hydrogen Breakthrough Ironmaking Technology) joint venture with LKAB and Vattenfall, SSAB aims to eliminate carbon dioxide emissions from its own operations by around 2030. The company has already delivered the world’s first fossil-free steel to customers, produced using hydrogen-reduced iron ore instead of coking coal.

Sustainability Initiatives:

• HYBRIT pilot plant in Luleå, Sweden, operational since 2021

• Target to demonstrate industrial-scale production by 2026

• Partnerships with major automotive OEMs like Volvo Group and Mercedes-Benz

Download FREE Sample Report: Global Fossil Free Steel Market – View in Detailed Research Report

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9️⃣ 2. H2 Green Steel

Headquarters: Stockholm, Sweden
Key Offering: Near-zero emission steel produced with green hydrogen

H2 Green Steel is a new industrial venture building a large-scale, fossil-free steel plant in Boden, northern Sweden. The company’s integrated model includes its own green hydrogen production facility, which will power the direct reduction process, aiming for a 95% reduction in CO₂ emissions compared to traditional steelmaking.

Sustainability Initiatives:

• Construction of a 5 million tonne-per-year steel plant by 2025

• Planned 800 MW electrolyzer for green hydrogen production

• Secured over USD 6.5 billion in debt and equity financing

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8️⃣ 3. ArcelorMittal

Headquarters: Luxembourg City, Luxembourg
Key Offering: XCarb® green steel certificates, reduced-carbon steel products

As the world’s second-largest steel producer, ArcelorMittal is deploying multiple technological pathways to decarbonize. Its Smart Carbon and Innovative DRI (Direct Reduced Iron) routes aim to achieve net-zero by 2050. The company is investing in large-scale DRI plants and carbon capture utilization and storage (CCUS) projects across its European operations.

Sustainability Initiatives:

• Planned 2.5 million tonne DRI plant in Ghent, Belgium

• Multiple CCUS projects, including at the Dunkirk site in France

• Target of 25% CO₂ emissions reduction in Europe by 2030

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7️⃣ 4. Thyssenkrupp Steel

Headquarters: Duisburg, Germany
Key Offering: Bluemint® Steel, future hydrogen-based steel

Thyssenkrupp Steel is a leading German steelmaker with a comprehensive decarbonization strategy centered on hydrogen. The company plans to replace its blast furnaces with direct reduction plants fueled by green hydrogen, aiming for climate-neutral production by 2045. Its tkH2Steel® project is a cornerstone of Germany’s industrial green transition.

Sustainability Initiatives:

• Planned construction of a 2.5 million tonne DRI plant by 2026

• Partnership with STEAG for green hydrogen supply

• Substantial funding approval from the German government

Download FREE Sample Report: Global Fossil Free Steel Market – View in Detailed Research Report

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6️⃣ 5. Voestalpine

Headquarters: Linz, Austria
Key Offering: greentec steel, low-CO₂ premium steel products

Voestalpine has been pioneering the use of hydrogen in steel production through its H2FUTURE pilot plant. The company’s “greentec steel” program involves a phased transition from coal-based blast furnaces to electric arc furnaces (EAFs) powered by renewable energy and, ultimately, hydrogen-based DRI units.

Sustainability Initiatives:

• Operating one of the world’s largest PEM electrolysis plants (6 MW)

• Plan to replace two blast furnaces in Linz and Donawitz with EAFs by 2027

• Target of reducing CO₂ emissions by 30% by 2030

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5️⃣ 6. Boston Metal

Headquarters: Woburn, Massachusetts, USA
Key Offering: Molten Oxide Electrolysis (MOE) technology platform

Boston Metal is a technology innovator developing a patented Molten Oxide Electrolysis (MOE) process to produce steel from any grade of iron ore using electricity instead of coal. This platform technology offers a highly scalable and flexible pathway to carbon-free steelmaking, attracting significant investment from venture capital and industry players.

Sustainability Initiatives:

• Raised over USD 350 million in venture funding to date

• Pilot plant operations in Massachusetts, scaling towards commercialization

• Technology applicable for both new greenfield sites and integration into existing facilities

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4️⃣ 7. Salzgitter AG

Headquarters: Salzgitter, Germany
Key Offering: SALCOS® (Salzgitter Low CO₂ Steelmaking) brand steel

Salzgitter AG is executing its ambitious SALCOS® program to transform its integrated steelworks. The strategy involves a gradual shift from blast furnaces to direct reduction plants running on green hydrogen, coupled with electric arc furnaces, to achieve virtually carbon-free production by 2033.

Sustainability Initiatives:

• Phased conversion plan to achieve 95% CO₂ reduction by 2033

• Partnerships for hydrogen infrastructure development in Northern Germany

• Secured preliminary approval for significant IPCEI (Important Project of Common European Interest) funding

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3️⃣ 8. Liberty Steel Group

Headquarters: London, United Kingdom
Key Offering: GREENSTEEL, steel with a reduced carbon footprint

Liberty Steel, part of the GFG Alliance, has championed its GREENSTEEL strategy, which focuses on recycling scrap metal in electric arc furnaces powered by renewable energy. While primarily scrap-based, the group is also exploring hydrogen-DRI technologies for its primary steelmaking assets to further decarbonize its operations.

Sustainability Initiatives:

• Goal to become carbon neutral by 2030 (CN30)

• Investment in arc furnace capacity and renewable energy sources

• Research into hydrogen use at its primary steel plant in Whyalla, Australia

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2️⃣ 9. Cleveland-Cliffs

Headquarters: Cleveland, Ohio, USA
Key Offering: Sustainably produced steel for automotive and infrastructure

As North America’s largest flat-rolled steel producer and a leading supplier of automotive steel, Cleveland-Cliffs is actively reducing its carbon footprint. The company utilizes significant EAF capacity alongside its traditional blast furnace operations and is investing in technologies to lower emissions intensity across its portfolio.

Sustainability Initiatives:

• Lowest greenhouse gas (GHG) emissions intensity among major integrated steel producers in North America

• Development of new grades of sustainable steel for electric vehicles

• Focus on energy efficiency and process optimization to reduce emissions

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1️⃣ 10. Nucor Corporation

Headquarters: Charlotte, North Carolina, USA
Key Offering: EcoSheet® pile, Jord* (pronounced “Earth”) rebar, other low-carbon steel products

Nucor is the largest steel producer in the United States and a leader in recycling-based steelmaking. The company’s business model is inherently less carbon-intensive, as it primarily uses electric arc furnaces to melt scrap steel. Nucor is continuously innovating to further reduce its emissions and develop certified low-carbon products for conscious consumers.

Sustainability Initiatives:

• Carbon dioxide emissions per ton of steel are approximately one-third of the global average

• Investment in renewable energy projects to power its operations

• Development of environmentally certified product lines for construction and manufacturing

Get Full Report Here: Global Fossil Free Steel Market – View in Detailed Research Report

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🌍 Outlook: The Future of Steel Is Fossil-Free

The fossil-free steel market is at a pivotal inflection point. While traditional blast furnace production still dominates global output, the industry is mobilizing unprecedented levels of investment in hydrogen-based reduction, electrification, and circular economy models. The transition is not just an environmental imperative but also an emerging competitive advantage, as premium markets increasingly demand verifiably sustainable materials.

📈 Key Trends Shaping the Market:

• Accelerated project deployment in the EU, driven by strong policy support (e.g., Carbon Border Adjustment Mechanism – CBAM) and funding

• Rising corporate demand for green steel from automotive, construction, and consumer goods sectors to meet Scope 3 emissions targets

• Technological diversification with multiple pathways (H-DRI, EAF with scrap, MOE) gaining traction

• Strategic alliances between steelmakers, energy companies, and OEMs to de-risk investments and secure green hydrogen supply chains

Get Full Report Here: Global Fossil Free Steel Market – View in Detailed Research Report

The companies listed above are not only producing the steel that builds our world—they are actively forging the sustainable foundation for a net-zero future.