Q&A

Why this UK carbon capture co. expanded to Houston, IRA's impact, and more

Aniruddha Sharma of Carbon Clean weighs in on his North American expansion, the impact of the Inflation Reduction Act, and more. Photo via carbonclean.com

Earlier this year, a growing carbon capture company announced its new North American headquarters in Houston. Now, the company is focused on doubling it's headcount before the end of 2023 to meet demand.

Carbon Clean, which has a technology that has captured nearly two million tons of carbon dioxide at almost 50 sites around the world, opened its new office in the Ion earlier this year. The company is now building out its local supply chain with plans to rapidly expand.

In an interview with EnergyCapital, Co-Founder, Chair, and CEO Aniruddha Sharma weighs in on the new office, how pivotal the Inflation Reduction Act has been for his company's growth, and the future of Carbon Clean.

EnergyCapital: Looking back on the past year since the Inflation Reduction Act was enacted, what has the impact been on Carbon Clean?

Aniruddha Sharma: The IRA did much to jolt industry, incentivizing investment in carbon capture, while also telegraphing that the US government is getting serious about bringing emissions down. Overnight, the US became Carbon Clean's biggest growth opportunity: inquiries from industrial emitters leapt a staggering 64 percent.

The impact of the IRA cannot be overstated for our industry, especially for point source carbon capture technology companies like Carbon Clean. The momentum created by the law's passage, along with our existing activity in North America, led to the opening of our US headquarters in Houston in March this year. We will double our US headcount to meet demand for CycloneCC, our breakthrough, fully modular carbon capture technology.

EC: What does the sector still need to see — in terms of support from the government — to continue to move the needle on the energy transition?

AS: There's much to admire in the way that the IRA incentivizes business. While it involves billions of dollars of public investment, it is set up in such a way that companies must make substantial investments first. IRA funding doesn't arrive on day one — it comes over several years and to get to the first dollar of funding, a company must secure considerable private investment first. In other words, every single dollar of the IRA funding is unlocking additional private investment, creating high-paying jobs, and bringing manufacturing back home.

Of course, a lot of additional investment still needs to happen, and for some harder-to-abate sectors additional policy measures may be required to enable deployment at scale. The IRA is just a first step, but what a giant step it promises to be.

EC: You recently opened Carbon Clean's HQ in Houston. What's next for your company in terms of growth — especially here in Houston?

AS: We're experiencing phenomenal growth globally, but we expect our expansion in North America to outpace all other regions. In line with this, we've seen a surge in interest from industrials across the US and our newly-opened Houston office will help us to meet this demand.

We are establishing a very significant base in the US — doubling our headcount this year — and we are developing a local supply chain to support the commercialization of our breakthrough modular technology, CycloneCC.

The potential for CycloneCC in the US and Houston area is huge. It is optimised for low to medium scale industrial emitters and recent Rice University research on the US Gulf Coast, for example, found that it is well suited to 73% of Gulf Coast emitters.

We're currently working with Chevron on a carbon capture pilot for our CycloneCC technology on a gas turbine in San Joaquin Valley, California. We expect to be announcing additional carbon capture projects in the US in the coming months.

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This conversation has been edited for brevity and clarity.

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A View From HETI

Greentown Labs has named its Go Make 2026 cohort. Photo courtesy Greentown Labs

Greentown Labs has named five climatech startups to its Go Make 2026 cohort, including one from Houston.

Greentown Go Make 2026 is in partnership with Shell Catalysts & Technologies and Technip Energies. Startups will be able to collaborate with leadership from Shell and Technip and have opportunities to work directly with their process engineering teams and develop potential partnerships, pilots and demonstrations, according to Greentown.

This year's manufacturing cohort focuses specifically on process technology and catalytic innovations, which, according to Greentown, have the potential to be a "critical enabler of the global energy transition." Greentown shares that 90 percent of chemical processes depend on catalysis, but traditional methods rely on fossil fuels and consume significant amounts of energy.

“Catalysis underpins the majority of industrial chemical processes, which together account for a significant share of global emissions, making it a critical lever for reducing carbon intensity while improving performance,” Georgina Campbell Flatter, CEO of Greentown, said in a news release. “Greentown Go Make 2026 is designed to close the gap between breakthrough innovation and industrial deployment. By connecting startups with Shell and Technip Energies’ technical expertise and global scale, we’re helping accelerate solutions that improve efficiency and drive industrial decarbonization.”

The five Greentown Go Make 2026 companies include:

  • Houston-based Biosimo, which makes scalable biochemicals from ethanol
  • Missouri-based Catalyxx, which transforms bioethanol into drop-in, cost-competitive, carbon-negative chemicals
  • Sydney, Australia-based HydGene Renewables, which produces low-carbon hydrogen and industrial chemicals from waste biomass
  • Switzerland-based TreaTech, which turns waste into renewable gas, water and minerals through catalytic hydrothermal gasification
  • California-based Unifuel, which has developed a chemical technology platform to make sustainable aviation fuel, renewable gasoline and other renewable chemicals

The cohort will be celebrated at a kickoff event in Houston at The Ion on June 9.

In addition to Greentown Go Make, Greentown also runs its Go Move (transportation), Go Energize (energy and electricity), Go Build (buildings), and Go Grow (food and agriculture) cohort-based programs. The climatech incubator announced its Go Build 2026 cohort in March. Read more here.

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