Carbon capture and storage (CCS) has emerged as one of the most critical technologies in the global fight against climate change, with the potential to transform industrial decarbonization and reduce atmospheric carbon dioxide permanently. The global carbon capture and sequestration market was valued at approximately USD 3.68 billion in 2024 and is projected to reach USD 6.72 billion by 2033, growing at a compound annual growth rate (CAGR) of 7.0% during this period.
Carbon capture is a sophisticated process that separates carbon dioxide (CO₂) from combustion processes or directly from the atmosphere, preventing it from entering the environment and contributing to climate change. The technology operates through three main methods, each designed for different applications and emission sources.
Post-combustion carbon capture represents the most prevalent technology in use today, accounting for a significant portion of current deployments. This method captures CO₂ from smokestack emissions, known as flue gases, before they are released into the atmosphere. The process works through a technique called absorption or adsorption, where emissions are piped into a device called an absorber. Inside this absorber, the carbon dioxide interacts with chemical solvents that bind to and absorb the CO₂, allowing it to be separated from other component gases, which are then released into the air.
The scrubber/stripper principle is a particularly effective post-combustion approach. In the scrubber phase, exhaust gases are "washed" using a solvent-rich mixture, and CO₂ binds to the solvent, with 90% to 99% of carbon dioxide being removed from the exhaust. The cleaned gases are then released into the atmosphere, while the solvent rich in CO₂ is pumped to a stripper unit where energy (such as steam) is added, causing the CO₂ to be desorbed or "cooked off." After this separation, the CO₂ is compressed and sent for storage or utilization, while the solvent is recovered and reused.
Pre-combustion carbon capture removes carbon dioxide from fuel sources before they have been fully burned, providing an alternative approach for certain industrial applications. Additionally, direct air capture (DAC) represents a breakthrough technology that pulls carbon dioxide directly from the air wherever it may be found, rather than capturing it at the emission source. Giant fans suck air into a device called a collector, where the carbon dioxide is then separated through similar means to post-combustion capture. While DAC is largely still in the experimental stage, it holds tremendous promise for addressing historical emissions and ambient atmospheric CO₂.
The complete carbon capture and storage process involves three essential steps. First, CO₂ is separated from other gases produced in industrial processes such as coal and natural-gas-fired power generation plants, steel factories, or cement facilities. Second, the captured CO₂ is compressed and transported via pipelines, road transport, or ships to a designated storage site. Third, the CO₂ is injected into rock formations deep underground for permanent storage. This three-stage process ensures that captured carbon remains securely sequestered for geological timescales, preventing its release back into the atmosphere.
Carbon capture technology finds applications across multiple industrial sectors and emerging use cases that create significant economic opportunities. The market is expected to evolve substantially, with new applications emerging alongside traditional uses.
The largest contributors to CO₂ emissions—cement, steel, chemical production, and electricity generation industries—represent the primary targets for carbon capture deployment. The International Energy Agency estimates that carbon capture could account for up to 15% of the global emissions reduction required by 2050, positioning it as a pivotal complement to the energy transition. By capture source, the natural gas processing segment dominated the market in 2024, while the power generation segment is expected to witness the fastest growth during the forecast period.
Beyond permanent storage, captured CO₂ can be converted into valuable products through carbon capture and utilization (CCU) technologies. More than 25 CCU applications are currently under development, with four applications standing out as the most feasible and attractive near-term market opportunities:
CO₂-Derived Construction Aggregates represent by far the largest potential market, with capacity to utilize approximately 0.5 gigatons of CO₂ annually by 2040. These aggregates are produced through carbonation of solid ash and other waste byproducts, with carbon being sequestered permanently in the aggregate. Under optimal conditions—including short transportation distances, preexisting waste streams, and low energy costs—CO₂-derived aggregates can save 12 to 48 kilograms of CO₂ emissions per ton compared to conventional aggregates.
CO₂-Cured Concrete represents a small but rapidly scaling market estimated at 40-70 million metric tons of CO₂ annually, with technology nearly ready for widespread deployment and proven economic viability for specific use cases.
E-Kerosene and E-Methanol are synthetic fuels created from captured CO₂, representing medium-sized markets estimated at 50-150 million metric tons of CO₂ annually, with continued technological advancements improving their commercial viability.
The carbon capture industry has attracted substantial investment from both specialized climate tech companies and major multinational corporations. These organizations are driving innovation, scaling technology, and establishing the infrastructure necessary for widespread deployment.
Microsoft has positioned itself as one of the largest corporate buyers of carbon removal credits in the world, contracting nearly 22 million metric tons of carbon removal in recent fiscal years—exceeding all previous years combined. The company signed a landmark partnership with Climeworks to support direct air capture in Iceland since 2022, shifting from short-term purchases to long-term contracts demonstrating commitment to a strong carbon removal market. Microsoft recently announced a significant investment with CO280 to acquire 3.7 million carbon removal credits over a 12-year period—one of the largest transactions in the carbon capture space to date—through a unique CCS technology deployed at a paper mill on the U.S. Gulf Coast.
Amazon has committed to supporting the world's largest deployment of direct air capture technology by purchasing 250,000 metric tons of carbon removal over the next decade from STRATOS, the inaugural DAC facility operated by 1PointFive. The company is also investing through its Climate Pledge Fund in CarbonCapture Inc., a climate technology company facilitating the commercial rollout of new DAC materials. Amazon's comprehensive approach includes renewable energy initiatives, fleet electrification, and packaging optimization to reduce its carbon footprint.
ExxonMobil brings over 30 years of experience capturing CO₂ and has cumulatively captured more human-made CO₂ than any other company. The oil major holds an equity share of approximately one-fifth of the world's carbon capture and storage capacity at about 9 million metric tons per year. ExxonMobil is collaborating with CNOOC and Shell to pursue a carbon capture and storage hub in China's Dayawan Petrochemical Industrial Park, with initial assessments indicating potential to capture up to 10 million metric tons of CO₂ annually, supporting China's carbon neutrality ambitions.
Shell recognizes CCS as essential to achieving net-zero emissions and is both deploying the technology to reduce its own carbon emissions and licensing CCS technologies to customers. The company is actively involved in developing direct air capture technology and working with DAC companies to identify key pathways required to make direct air capture scalable and commercially viable, building a foundation for a resilient, competitive carbon removal industry.
Climeworks operates the world's leading direct air capture (DAC) facilities and has pioneered the integration of DAC with permanent CO₂ storage. The company's Arctic Fox facility in Iceland marked the beginning of carbon dioxide removal through DAC, using a 50-ton capacity collector powered by geothermal energy. Climeworks' Orca plant, located in Iceland, achieved the status of world's first large-scale carbon dioxide removal facility, while the company's newest facility, Mammoth, is approximately ten times larger than its predecessor. Climeworks and Carbfix have developed the world's first full-chain methodology dedicated to carbon dioxide removal via direct air capture and underground mineralization storage, validated in accordance with ISO 14064-2 standards.
Carbfix specializes in permanent CO₂ storage through mineralization, capturing CO₂ and converting it into stone underground in less than two years through proprietary technology that imitates and accelerates natural processes. The company has successfully reduced over 70,000 tons of CO₂ emissions and demonstrates tremendous potential for scaling both in Iceland and globally. Carbfix's partnership with Climeworks on the Orca installation showcases the first commercial direct air capture and storage chain, with the facility capturing 4,000 tons of CO₂ annually for permanent storage.
Carbon Clean, headquartered in London with offices in India, Spain, and the United States, has removed over 1.7 million metric tons of carbon from 49 facilities globally. The company's CCUS technologies enable industries to capture over 90% of CO₂ with minimal disruption to existing industrial operations and maximum cost-effectiveness. Carbon Clean launched the innovative CycloneCC C1 series, capable of capturing up to 100,000 tons of CO₂ per year, and has secured landmark partnerships with industry giants including Saudi Aramco, Samsung E&G, and JSW Steel.
SLB Capturi, a joint venture between Aker Carbon Capture and energy service giant Schlumberger officially announced in June 2024, brings together two industry leaders with histories of success in developing and scaling industrial operations. SLB Capturi recently completed work on the world's largest carbon capture plant for cement at Heidelberg Materials' facility in Brevik, Norway, capable of reducing emissions by up to 400,000 metric tons of CO₂ per annum. The company is currently undertaking a FEED study for a pulp and paper mill on the U.S. Gulf Coast aiming to reduce carbon emissions by 800,000 tons annually.
CarbonFree maintains an ambitious mission to capture 10% of industrial CO₂ emissions (currently standing at 800 million tons per year). The company's SkyCycle technology provides a complete carbon capture utilization and storage solution, capturing CO₂ emitted by industrial plants and mineralizing it to create valuable low-carbon materials.
Calix Limited, an Australian technology company founded in 2005, offers sustainable products across advanced battery, agriculture, wastewater management, and carbon capture industries. The company represents the growing involvement of diversified industrial companies in carbon capture solutions.
Chart Industries (NYSE: GTLS) is a publicly traded manufacturer of highly engineered equipment serving multiple applications in energy and industrial gas markets. Through the acquisition of Earthly Labs' cryogenic CO₂ storage technology, Chart expanded its ESG solutions to include carbon capture, developing Cryogenic Carbon Capture™ (CCC) technology for post-combustion use at fossil energy power stations, cement, pulp and paper, iron and steel, and chemical production plants.
Svante, founded in 2007, focuses on providing optimal solutions for industrial emitters and unlocking mass markets for bulk carbon dioxide capture installations. The company employs second-generation carbon capture technology at approximately half the cost of solvent-based systems.
Capsol Technologies AS, founded in 2014, aims to become a global leader in capturing CO₂ from waste-to-energy facilities, cement, biomass, power plants, and industrial facilities. The company's patented CapsolEoP™ (End of Pipe) solution utilizes proven, inexpensive, and non-toxic Hot Potassium Carbonate (HPC) solvent. Installation takes between 18-24 months from planning to commissioning, and the company has expanded to North America with demonstration campaigns for cement producer SCHWENK.
Government policies and financial incentives play crucial roles in accelerating carbon capture deployment and making projects economically viable. The most significant U.S. incentive is the carbon capture tax credit under Section 45Q of the Internal Revenue Code.
The Carbon Capture Tax Credit, commonly referred to as Section 45Q in the United States, represents a fiscal instrument designed to incentivize carbon dioxide reduction through tax credits for entities investing in carbon capture projects. The Bipartisan Budget Act of 2018 increased the 45Q incentive to $50 per metric ton, and in 2022, the Inflation Reduction Act (IRA) further increased the tax credit to $85 per metric ton. At its current level of $85 per metric ton, the 45Q tax credit is sufficiently generous to incentivize retrofits of power plants and industrial facilities with CCS, with models predicting total CO₂ storage ranging from 200 to 800 million metric tons annually.
The global carbon capture market is driven by multiple factors working in concert. Rising global focus on decarbonization, stringent emission reduction mandates, and increasing investments in carbon mitigation technologies across industrial and power generation sectors drive market expansion. North America currently dominates the global market with the largest market share of 70% in 2024, while Asia Pacific is expected to host the fastest-growing market in upcoming years.
Governmental and private sector investments continue to increase substantially, with private investment in CCUS increasing by 145% between 2021 and 2022, largely driven by direct air capture and integrated carbon removal projects. The rising emphasis on decarbonization creates expanding opportunities as industries and governments prioritize carbon management solutions to meet sustainability and climate commitments. Corporate net-zero pledges and emerging carbon credit trading mechanisms further accelerate investments and innovation within the market.
Despite significant progress and substantial investment, carbon capture technology faces notable challenges that must be addressed for widespread deployment and long-term success.
One of the major drawbacks of carbon capture is its relatively high cost. The technology requires significant investments in research, development, and infrastructure, which can be prohibitively expensive for many organizations. Carbon capture processes often require significant energy, which may offset environmental benefits and increase operational costs. Identifying suitable sites for CO₂ storage and ensuring long-term stability and containment poses substantial logistical and technical challenges.
While challenges remain, the convergence of technological innovation, favorable regulations, and growing corporate commitment suggests robust market growth ahead. CCS is becoming integrated with other technologies such as bioenergy and hydrogen production to improve total carbon reduction initiatives and foster synergies. Emerging economies are exploring CCS potential to decarbonize heavy industries while maintaining economic growth, with China investing heavily in large-scale industrial CCS projects across coal-fired power plants, steel, and cement industries.
The success of carbon capture and storage will depend on continuous technological breakthroughs, encouraging regulations, and rising investments. As the technology matures and costs decline through economies of scale and technological innovation, carbon capture is positioned to become an indispensable tool in achieving global net-zero emissions targets and addressing the climate crisis.
Conclusion
Carbon capture and storage represents one of humanity's most powerful weapons against climate change, with the potential to reduce emissions across hard-to-decarbonize industries and remove historical CO₂ from the atmosphere. The market's projected growth from USD 3.68 billion to USD 6.72 billion by 2033 reflects growing recognition of its critical importance. Major companies including Microsoft, Amazon, ExxonMobil, and Shell are investing billions in carbon capture technologies, while specialized companies like Climeworks, Carbon Clean, and SLB Capturi are driving innovation and scaling deployment.