Arbor, a carbon-negative energy company, has entered into a multi-year agreement with Microsoft to provide 25,000 tons of high-quality, permanent carbon dioxide removal.
The partnership will also generate over 5 megawatts of clean baseload electricity using Arbor’s innovative, modular power system.
Starting in 2027, Arbor will supply Microsoft with 5,000 tons of carbon removal annually while producing clean energy equivalent to powering approximately 4,000 US homes. Arbor’s technology utilizes readily available organic waste as a fuel source, contributing to its sustainability and environmental impact.
“This contract with Microsoft serves as a significant endorsement from one of the most influential and trusted leaders in the industry,” said Brad Hartwig, CEO of Arbor.
“Microsoft’s commitment to draw down their historical emissions by 2050 perfectly aligns with our mission to bring the planet back into balance with carbon-negative electricity and permanent carbon removal. This agreement underlines the promise of our technology and is another critical step in getting this project off the ground. Together, we’re not just powering the future—we are erasing the emissions of the past.”
Arbor’s carbon removal credits will be registered with Isometric, a leading carbon removal registry known for its rigorous verification process.
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The company’s technology is based on Bioenergy with Carbon Capture and Storage (BECCS) principles, but with innovative advancements in oxy-combustion and turbomachinery.
This approach enables a more efficient, cost-effective, and modular system compared to traditional power plants.
“The technical promise and modularity of Arbor’s system makes it a very compelling climate solution,” said Brian Marrs, Senior Director for Carbon Removal and Energy at Microsoft.
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“Arbor has established a clear, actionable blueprint for simultaneously removing CO2 while producing clean electricity. We look forward to collaborating with the Arbor team on our path to carbon-negativity.”
Arbor’s initial facility will be capable of sequestering 75,000 tons of carbon per year while generating 5 MW of clean electricity.
By 2030, the company aims to scale up its operations to produce 100 MW of electricity and remove nearly two million tons of carbon annually. This expansion will enable Arbor to offer carbon removal services at a competitive price, making it a viable solution for addressing climate change and energy needs.
