en.Wedoany.com Reported - Recently, Microsoft announced a contract with Sublime Systems to purchase up to 622,500 tons (approximately 623K tons) of Sublime Cement® products over six to nine years from Sublime's first commercial plant in Holyoke, Massachusetts, and its subsequent full-scale production facilities. This move represents Microsoft's latest action to shape future supply chains and reduce construction emissions.

The deal enables Microsoft to use low-carbon Sublime Cement® to reduce corporate emissions, unrestricted by the geographic location of its construction projects. Microsoft achieves verifiable construction emission reduction targets by bindingly purchasing low-carbon cement produced using Sublime's breakthrough American-invented technology.

Sublime's Holyoke plant is designed to eliminate scaling risks, progressively developing towards a million-tonne-scale Sublime cement plant, a process accelerated by Microsoft's procurement. Sublime's manufacturing process avoids traditional carbon emission sources and other pollutants, employing "true zero" technology that requires no carbon capture while maintaining cost competitiveness at full production.

Jeff Leeper, Vice President of Global Datacenter Construction at Microsoft, stated: "By designing innovative transactions like the one with Sublime, Microsoft aims to accelerate the large-scale production and application of clean building materials, helping innovators overcome the challenges of scaling in heavy industry. We need breakthrough products like Sublime Cement to reduce emissions at scale, both within Microsoft and globally."

Dr. Leah Ellis, CEO and Co-founder of Sublime Systems, said: "This procurement allows Microsoft to use Sublime's low-carbon cement technology in its construction projects regardless of location, addressing the lack of long-term cement offtake agreements that has hindered the scaling of clean cement. Microsoft is set to become the first customer for our future million-tonne-scale plant, which will accelerate the construction and expansion of Sublime Cement, making it a durable global solution for clean construction."

Microsoft has secured a right of first refusal to deploy Sublime Cement in its construction projects—including data centers, office buildings, and other infrastructure—where geographically feasible. Through this contract, Environmental Attribute Certificates (EACs) for Sublime Cement can be purchased separately from the physical cement material, a model that has proven effective in heavy industry sectors like cement.

Katie Ross, Director of Carbon Reduction Strategy and Market Development at Microsoft, stated: "To achieve net-zero emissions, the world needs innovative technology solutions like Sublime Cement. At Microsoft, we focus on expanding the market for these solutions. While we prioritize deploying physical materials whenever possible, the EAC approach helps buyers and sellers overcome barriers such as geography, supply chain, and cost that hinder the introduction of new technologies."

Microsoft's procurement of Sublime Cement EACs will undergo third-party verification and is expected to be managed on future book-and-claim systems. This builds upon a Memorandum of Understanding signed in 2024, where both parties committed to developing verifiable, additional, and catalytic book-and-claim transactions, complementing the efforts of organizations like RMI.

Currently, Sublime is building its first commercial plant in Holyoke, leveraging the area's abundant industrial infrastructure to bring high-quality manufacturing jobs back to this former paper-making city. With a grant of up to $87 million from the U.S. Department of Energy, Sublime is committed to reshoring and modernizing American cement manufacturing, strengthening U.S. supply chains, improving energy efficiency, and leading innovation in critical materials. The company's Sublime Cement meets ASTM standards and can serve as a concrete substitute for ordinary Portland cement (OPC). Sublime's breakthrough electrochemical process can completely decompose raw materials, avoiding the pollution and waste long associated with cement manufacturing while improving energy efficiency. Low-carbon Sublime Cement is more durable than traditional OPC and also possesses desirable qualities such as a lighter color, aesthetic appeal, and reduced urban heat island effect.

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