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World’s biggest cement producers bet on green alternative

Holcim and CRH announced a $75 million investment.

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Two of the world’s biggest cement producers, Holcim AG and CRH PLC, are investing in a startup attempting to decarbonize the cement production process. Cement and concrete are responsible for about 8% of emissions, more than any other industrial sector.

Holcim and CRH announced a $75 million investment into Sublime Systems, including a promise to purchase green cement from the startup’s pilot facilities and to work with Sublime on additional plant sites. (CRH invested through its venture arm.) Somerville, Massachusetts-based Sublime has developed an electrochemical method of cement production that avoids the process of heating up limestone with kilns powered by fossil fuels.

Reducing cement emissions has long been a technological and economic challenge. Cement is essential to making concrete, and to roads, buildings and other critical infrastructure. But the material’s production generates carbon dioxide emissions from burning fuel (often coal) to heat kilns, from the decomposition of limestone and from quarrying, grinding and transforming the materials.

In tests at its 250-ton-per-year pilot plant, Sublime has been able to demonstrate a 90% reduction in CO2 emissions compared to traditional concrete, according to Leah Ellis, co-founder and chief executive officer. The company is developing a commercial plant in Holyoke, Massachusetts, that would have a capacity of 30,000 tons per year and is set to be completed in 2026. The Energy Department’s Office of Clean Energy Demonstrations will fund up to 50% of that plant’s construction.

Ellis said Sublime’s goal is to provide its technology to larger cement companies with existing infrastructure and supply chains, which would either build new cement plants with the tech or retrofit old ones.

While Sublime’s process generates far fewer emissions, there are many hurdles the company and others like it need to overcome before they can commercialize successfully. One major limitation is the significant capital costs associated with retrofitting cement plants — often large, custom operations — or building new ones.

Another is demand: Low-carbon cement remains more expensive, on average, than traditional cement, making it a hard sell for a construction industry that already operates on razor-thin margins. New regulations, including New York’s mandate for state agencies to buy clean concrete, could help boost demand, said Ash Lauth, a senior campaign strategist for the global cement initiative at Industrious Labs, a US-based nonprofit focused on industrial decarbonization. But the industry still has a long way to go: Last week, Industrious Labs published an analysis that gave Holcim a “D” grade on its sustainability efforts.

“While we’re encouraged that Holcim is investing in Sublime’s innovative technology, we also still want them to show up for the rest of the ways to decarbonize… and work towards issuing a clear and transparent plan for how they’re going to decarbonize their existing US fleets,” Lauth said. Nollaig Forrest, Holcim’s chief sustainability officer, said Holcim is among “the only players in our sector that really takes a whole value chain approach to decarbonizing building at scale.”

The investment from Holcim and CRH brings Sublime’s total funding to over $200 million since its founding in 2020. It’s another signal of confidence in the startup, which was one of six projects selected for the Energy Department’s $1.6 billion program to fund cement and concrete decarbonization.

Concrete

True north seeks exit from shree digvijay cement

True north seeks exit from shree digvijay cement

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Private equity firm True North is reportedly exploring an exit from its investment in Shree Digvijay Cement. The firm is considering divesting its entire stake in the cement manufacturer and is in talks with several strategic investors and private equity players for the sale. True North has held its stake in Shree Digvijay Cement since acquiring a majority share in 2019. The exit is part of the firm’s strategy to unlock value after growing the company’s business. Potential buyers may view this as an opportunity to enter the rapidly growing cement sector, driven by India’s booming infrastructure and real estate markets. Shree Digvijay Cement, known for its steady operational performance, could attract considerable interest as the industry faces increased demand.

The sale process is expected to generate significant attention, especially from industry players looking to expand their market share or investors seeking strong returns. As the cement sector plays a vital role in India’s development, the transaction could also lead to consolidation in the industry, further enhancing the competitiveness of large players.

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Concrete

JSW cement expands vijayanagar plant capacity

JSW cement expands vijayanagar plant capacity

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JSW Cement has successfully increased production capacity at its Vijayanagar plant in Karnataka by 2 million tonnes per annum (MTPA). With this addition, the plant’s total production capacity now stands at 6 MTPA. This expansion is a crucial part of JSW Cement’s broader strategy to increase its overall capacity to 25 MTPA by the financial year 2025, strengthening its presence in India’s growing cement market.

The Vijayanagar plant, located near JSW Steel’s facility, benefits from operational synergies, such as efficient raw material procurement and energy use. The expansion will enhance the supply of high-quality cement to meet the increasing demand in Karnataka and the surrounding regions. Additionally, this move aligns with JSW Cement’s focus on sustainability and innovation, as the company continues to adopt eco-friendly practices in cement production.

JSW Cement’s increased capacity is expected to support infrastructure projects in southern and western India, contributing to the country’s booming construction and real estate sectors. As India accelerates its development in urbanization, infrastructure, and housing, the demand for high-performance cement continues to rise, and JSW Cement is positioning itself to cater to this growing need.

This capacity addition at Vijayanagar also emphasizes the company’s commitment to strengthening its supply chain and ensuring timely product delivery while maintaining sustainable practices.

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Concrete

Shree cement signs mou with dpiit

Shree cement signs mou with dpiit

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Shree Cement has signed a Memorandum of Understanding (MoU) with the Department for Promotion of Industry and Internal Trade (DPIIT) to support startups in India’s manufacturing sector. This collaboration is a strategic initiative aimed at fostering innovation, growth, and sustainable development within the industry. The MoU reflects Shree Cement’s commitment to driving forward the country’s manufacturing capabilities by providing guidance, financial support, and industry expertise to emerging startups.

The initiative aligns with the government’s “Make in India” vision, which encourages domestic manufacturing and aims to build a self-reliant economy. Through this partnership, startups will have access to Shree Cement’s vast industry experience, network, and resources, enabling them to scale their operations and develop innovative solutions. This move is expected to generate new job opportunities, enhance local production, and reduce dependency on imports, strengthening the nation’s industrial ecosystem.

Shree Cement will focus on key areas such as process improvement, technology adoption, and sustainable practices, encouraging startups to introduce eco-friendly and efficient manufacturing solutions. The partnership is also designed to facilitate the use of emerging technologies like artificial intelligence (AI) and machine learning (ML) in manufacturing operations, driving modernization across the sector.

This MoU marks a significant step toward encouraging innovation in the Indian manufacturing landscape, providing a boost to startups while enhancing industry capabilities. With Shree Cement’s support, aspiring entrepreneurs will gain the necessary tools to overcome challenges and contribute meaningfully to the sector’s growth.

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