Bigger is sometimes better: demonstrating hydrogen steelmaking at scale

The paper examines the 'valley of death' in industrial innovation, specifically for the HYBRIT initiative's transition to fossil-free steel. It compares two hypothetical demonstration plant scales: a 'small' option (200,000 t/annum) and a 'large' option (800,000 t/annum). The authors argue that a larger plant is preferable because it better addresses non-technical risks such as supply chain coordination, grid integration, and business model validation, despite higher capital costs and regulatory hurdles regarding permitting.

• The HYBRIT project aims to implement a steel production supply chain in Sweden using hydrogen direct reduction (H-DR) and an electric arc furnace (EAF), which could reduce CO2 emissions per metric ton of steel by 98% compared to blast furnace routes.
• Full implementation of the HYBRIT concept would significantly increase Sweden's electricity demand, estimated at approximately 10% of current national consumption.
• The authors propose two hypothetical demonstration plant scales: a 'small' plant with 200,000 metric tons per annum capacity and 80 MW electrolysis, and a 'large' plant with 800,000 t/annum capacity and 320 MW electrolysis.
• A large demonstration plant is recommended because it is more effective at addressing critical non-technical challenges, including supply chain optimization, business models, regulatory issues, and stakeholder relations.
• The primary risk of a large-scale demonstration plant is the potential for permitting bottlenecks, particularly regarding the expansion of power transmission capacity and land-use conflicts.
• Unlike traditional blast furnaces that rely on unit scale, the HYBRIT process utilizes modular technologies like electrolyzers, where capacity is increased by adding parallel units.
• The financial burden of the demonstration phase is expected to be substantial, likely exceeding US$ 1 billion, which may require funding from the EU Innovation Fund or the European Investment Bank as national Swedish funds are likely insufficient.
• The project faces potential societal risks in northern Sweden due to the cumulative effects of industrial and infrastructure expansion on the land used by Indigenous Sami reindeer herding communities.

APA

Olsson, O., & Nykvist, B. (2020). Bigger is sometimes better: demonstrating hydrogen steelmaking at scale. Stockholm Environment Institute. https://www.sei.org/wp-content/uploads/2020/07/bigger-is-sometimes-better.pdf

Chicago

Olsson, Olle, and Björn Nykvist. Bigger is sometimes better: demonstrating hydrogen steelmaking at scale. Stockholm Environment Institute, 2020. https://www.sei.org/wp-content/uploads/2020/07/bigger-is-sometimes-better.pdf.

Wikipedia

{{cite report |last1=Olsson |first1=Olle |last2=Nykvist |first2=Björn |title=Bigger is sometimes better: demonstrating hydrogen steelmaking at scale |publisher=Stockholm Environment Institute |date=July 2020 |url=https://www.sei.org/wp-content/uploads/2020/07/bigger-is-sometimes-better.pdf |access-date=23 October 2026 |via=Climate Insights Directory}}

BibTeX

@techreport{olsson2020bigger, author = {Olsson, Olle and Nykvist, Björn}, title = {{Bigger is sometimes better: demonstrating hydrogen steelmaking at scale}}, institution = {Stockholm Environment Institute}, year = {2020}, month = jul, url = {https://www.sei.org/wp-content/uploads/2020/07/bigger-is-sometimes-better.pdf}, urldate = {2026-10-23}, note = {Indexed by Climate Insights Directory} }