What is Boston Metal?
Headquartered in Woburn, Massachusetts, Boston Metal is commercializing a transformative metals technology platform powered by electricity. The company's core innovation, Molten Oxide Electrolysis (MOE), provides a scalable and cost-competitive alternative to traditional carbon-intensive steelmaking processes. By utilizing a variety of feedstocks and iron ore grades, Boston Metal enables the production of high-value metals with a significantly reduced environmental footprint. The company's market position is defined by its ability to bridge the gap between laboratory-scale research and commercial-grade industrial application, effectively addressing the urgent need for sustainable infrastructure materials.
How much funding has Boston Metal raised?
Boston Metal has raised a total of $498M across 7 funding rounds:
Series A
$20M
Series B
$50M
Series C
$262M
Other Financing Round
$20M
Other Financing Round
$20M
Other Financing Round
$51M
Other Financing Round
$75M
Series A (2019): $20M with participation from The Engine, Breakthrough Energy Ventures, and Prelude Ventures
Series B (2021): $50M led by Breakthrough Energy Ventures, Piva Capital, Devonshire Investors, The Oil and Gas Climate Initiative, BHP Ventures, Prelude Ventures, and The Engine
Series C (2023): $262M supported by SiteGround Capital, Saudi Aramco Energy Ventures, Climate Innovation Fund, ArcelorMittal, and M&G Investments
Other Financing Round (2024): $20M, investors not publicly disclosed
Other Financing Round (2024): $20M, investors not publicly disclosed
Other Financing Round (2025): $51M with participation from BHP, Breakthrough Energy Ventures, PIVA, and SiteGround
Other Financing Round (2026): $75M led by Tata Steel
Key Investors in Boston Metal
Breakthrough Energy Ventures
A venture firm backed by global business leaders that invests in cutting-edge companies aimed at achieving net-zero emissions across manufacturing and energy sectors.
The Engine
A venture firm built by MIT that specializes in Tough Tech, focusing on transformative technologies that address climate change and infrastructure challenges.
Prelude Ventures
An investment firm dedicated to supporting early-stage startups with high potential to mitigate climate change through innovative solutions in energy and manufacturing.
What's next for Boston Metal?
With the infusion of recent capital, Boston Metal is poised to scale its MOE platform to meet the growing global demand for green steel. The company's strategic roadmap focuses on expanding its manufacturing capacity and deepening partnerships with major industrial players to integrate its technology into existing supply chains. As the firm moves beyond the development phase, the focus shifts toward operational excellence and the widespread adoption of its electrochemical process, which promises to redefine the economics of metal production while meeting stringent international climate targets.
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