Can Carbon Capture Scale? The 2026 Cost Reality

We map Climeworks and Occidental, the difference between point-source and direct air capture, and the path of per-ton cost — to ask whether carbon capture really scales.

KIYODO2026-06-1000

#Carbon capture#DAC#Climeworks#Decarbonization#Climate

"A machine that sucks CO2 straight out of the air." Direct air capture (DAC) draws attention as a climate trump card, while critics insist it's "too expensive to matter." In 2026, can carbon capture really scale? Centering on cost, here's a sober read of where things stand.

The short version

Carbon capture splits into point-source (from a smokestack) and DAC (from ambient air), with very different costs and difficulty.
DAC currently costs hundreds to a thousand dollars per ton — far from the ~$100/ton target.
Cutting emissions comes first; capture is a complement that fills "residual emissions you can't cut," not a substitute.

Two kinds of capture

The first distinction is point-source capture (CCS) versus direct air capture (DAC). Point-source captures from the flue gas of power plants or cement kilns, where CO2 concentration is high — relatively cheaper and technically mature.

DAC captures from ambient air, where CO2 is just 0.04%. Selecting a specific molecule from a dilute gas takes enormous energy and cost. The two get lumped together as "carbon capture," but they differ by an order of magnitude or more in difficulty and cost. The scaling problem central to this piece is mainly about DAC.

Climeworks and Occidental scaling up

Switzerland's Climeworks is the DAC flagship. It runs geothermal-powered DAC plants ("Orca," "Mammoth") in Iceland, injecting captured CO2 into basalt for mineralization (permanent storage). Annual capture is in the thousands-to-tens-of-thousands of tons and growing steadily, but against global annual emissions (tens of billions of tons) it remains a dot.

In the US, oil major Occidental (Oxy) is building one of the world's largest DAC plants, "Stratos," in Texas, targeting megaton-scale (one million tons/year) capture. Ironically, some captured CO2 is slated for enhanced oil recovery (EOR), raising the "is that really decarbonization?" debate. That the scale leader is an oil major captures the field's complexity.

The cost reality: the $100/ton wall

Cost is the central issue. Today, capturing a ton of CO2 via DAC costs hundreds to a thousand dollars. The industry target is around $100/ton — below which, combined with carbon-credit markets and subsidies, it starts to pencil out.

Cost reduction hinges on better capture media (sorbents/solvents) and powering regeneration heat and electricity with cheap renewables. The US Inflation Reduction Act offers generous DAC tax credits, propping up near-term viability. This is speculation, but scale and improvement could push it toward ~$200/ton in the 2030s — while breaking the $100 wall remains uncertain.

"Cut first, capture as complement"

Order matters. The mainline of climate action is cutting emissions — renewables, efficiency, electrification. DAC isn't a silver bullet; given cost and energy limits, it's realistically a complement that fills "residual emissions you can't cut" (aviation, heavy industry).

The opposite mindset — "DAC exists, so keep emitting" (moral hazard) — is dangerous. Current DAC capacity is under 0.001% of global emissions; easing cuts on the excuse of capture defeats the purpose. Capture should be grown as the technology that fills the final few percent, not a substitute for cutting.

Bottom line

In 2026 carbon capture is at "the tech is real, the cost is still high." Point-source is near practical, DAC is in large-scale demonstration. Clearing the $100/ton wall is the watershed, dependent on 2030s improvement and policy. The key is not to use capture as an excuse to slack on cuts. Keep cutting as the lead act and grow capture steadily as the complement — that's the realistic path.

FAQ

Q. Is DAC more efficient than tree-planting? A. Per unit area DAC captures more, but tree-planting is cheaper today. For permanence (wildfire risk, etc.) DAC-plus-geologic-storage has an edge — there are tradeoffs both ways.

Q. Where does captured CO2 go? A. The main route is injection into rock formations and mineralization for permanent storage. Reuse in fuels or materials exists too, but re-burning re-emits, so the storage benefit is limited.

Q. Can individuals contribute? A. Some firms sell DAC carbon-removal credits to individuals and companies. But prices are high, so cutting your own emissions is more cost-effective first.