Steel is a foundational material for Canada’s industrial economy, feeding construction, automotive, energy, and manufacturing supply chains. Nearly all of the sector’s emissions trace to one production route: coal-based blast furnace ironmaking paired with basic oxygen furnace steelmaking. Electric arc furnace (EAF) steelmaking, mostly running on recycled scrap today, is already far cleaner, but scrap alone can’t meet total demand, so decarbonizing primary ironmaking remains essential.
Two structural barriers stand in the way. First, blast furnaces run for decades between overhauls, and any recent upgrades at Canadian sites have pushed that renewal window out further, narrowing the near-term opportunity to switch. Second, hydrogen-based direct reduced iron, the leading clean ironmaking candidate, isn’t yet proven at commercial scale or cost in Canada; continued R&D and demonstration piloting is what the next phase actually requires, not deployment alone.
H₂-DRI isn't cost-competitive; near-zero BF-BOF alternatives remain pre-commercial.
Asset-replacement cycles limit the timing available to switch technologies on multi-decade equipment.
Available scrap can't meet steel demand alone, and quality restricts what can be recycled.
Even demonstration-scale projects lack the inputs to move forward today.
Rising costs from tariffs and global oversupply collide with low willingness to pay for green steel.
Constrains scaling H₂-DRI specifically, separate from the scrap constraint above.
Border carbon adjustments have limited effect unless major producing and importing countries adopt them too.
Supplying the whole sector's eventual demand is a large, longer-horizon buildout.
The natural-gas bridge step risks never being replaced by hydrogen.
Inconsistent terms across buyers threaten offtake agreements.
Total GHG output and per-tonne produced.
Output from H₂-DRI, CCS-enabled, and molten oxide electrolysis routes.
Pace of integrated-mill phase-out
Decoupled ironmaking lets Canada export hydrogen-based iron to regions with clean electricity for steelmaking.
Buyers with lifecycle emissions targets are seeking low-carbon steel, though cost competitiveness remains a concern.
Better collection, sorting, and upgrading captures more material value, reduces reliance on primary ore and imports.
Scores are grounded in the sources cited throughout each sector assessment, then reviewed by experts and industry stakeholders to confirm how each pathway elements criteria are ranked.
economic viability score
Economic Viability description
