Microsoft Signs World’s Largest Permanent Carbon Removal Deal with Fidelis’ AtmosClear

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  • Largest-ever agreement for engineered carbon removal, totaling 6.75 million metric tons over 15 years.
  • $800M investment in Louisiana’s clean energy infrastructure, supporting 675 jobs and regional economic revitalization.
  • Strategic alignment with Microsoft’s 2030 carbon-negative target, emphasizing long-term demand for high-quality, permanent carbon removal.

Microsoft has inked the largest carbon removal deal in history, committing to purchase 6.75 million metric tons of engineered carbon removal from AtmosClear, a Fidelis portfolio company, over 15 years.

The carbon will be captured from a new bioenergy with carbon capture and storage (BECCS) facility planned at the Port of Greater Baton Rouge in Louisiana. The project, set to begin construction in 2026 with commercial operations by 2029, will utilize sustainable feedstocks like sugarcane bagasse and forest trimmings to generate clean energy and remove 680,000 metric tons of biogenic CO₂ annually.

This contract with Microsoft marks a transformative moment for the high-quality, engineered carbon removal market,” said Daniel J. Shapiro, CEO of Fidelis.

Daniel J. Shapiro, CEO of Fidelis

The captured carbon will be permanently stored or repurposed for low-carbon fuels, positioning the project as a scalable model for durable carbon removal in the U.S.

AtmosClear showcases how proven technologies, paired with sustainable feedstocks… can deliver meaningful climate impact while providing quality jobs, economic development, and other community benefits,” Shapiro added.

The $800 million investment is expected to create approximately 75 permanent roles and 600 construction jobs, while also reviving forestry management employment in the region—an industry hit hard by past mill closures.

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We are proud to work with Fidelis on this pathbreaking project,” said Brian Marrs, Senior Director of Energy & Carbon Removal at Microsoft. “High-quality, durable carbon removal solutions from experienced developers like Fidelis are vital for Microsoft in progressing its goal to become Carbon Negative by 2030.”

Brian Marrs, Senior Director of Energy & Carbon Removal at Microsoft

This milestone contract underscores the growing demand for engineered carbon solutions and the rising strategic importance of carbon removal in meeting corporate climate goals.

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