Direct Air Carbon Capture Cost Drops to $50/Ton: Climeworks Iceland Facility Expands Capacity 10x

On April 1, Swiss carbon capture company Climeworks announced that its upgraded Iceland Orca direct air capture (DAC) facility, Mammoth, has officially commenced operations. Mammoth's annual capture capacity reaches 40,000 tons of CO₂ — 10 times that of Orca — while unit capture cost has dramatically dropped from approximately $600/ton to $50/ton. The cost reduction mainly stems from next-generation solid sorbent material efficiency improvements and modular equipment mass production.

$50/ton is considered the critical threshold for DAC technology to achieve commercial viability — below the EU Emissions Trading System's current carbon price of 60-70 euros/ton, meaning DAC projects can achieve profitability within carbon trading systems. Climeworks CEO stated the company has signed carbon removal credit purchase agreements totaling 120,000 tons with Microsoft and Stripe.

Captured CO₂ is injected into underground basalt layers for mineralization storage through partnership with Iceland's CarbFix company, converting to carbonate minerals within 2 years for permanent sequestration. Critics note that 40,000 tons of annual capture represents only about 0.0001% of global emissions, and DAC technology cannot replace the fundamental need for emission reductions. Climeworks responded that DAC is a necessary complement to, not replacement for, the net-zero pathway.