Commonwealth Fusion Systems Raises $863 Million Series B2 Round to Accelerate the Commercialization of Fusion Energy
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This round of capital is the largest raised among deep tech and energy companies since CFS'
$1.8 billion Series B round in 2021. -
The almost
$3 billion that CFS has raised to date is about one-third of the total capital invested in private fusion companies worldwide, solidifying its leadership of the fusion industry. -
In recognition of the new category of energy technology that the company is creating, CFS expanded its global footprint by adding international investors from a widening range of sectors — from long-established fundamental investors, technology and industrial companies such as Counterpoint Global (Morgan Stanley) and
Google , to hedge funds and leading individual investors such asStanley Druckenmiller .
The oversubscribed round of capital is the largest amount raised among deep tech and energy companies since CFS'
"Investors recognize that CFS is making fusion power a reality. They see that we are executing and delivering on our objectives," said
In this round, CFS expanded its global footprint by adding international investors from a widening range of sectors — from long-established fundamental investors to industrial companies. In recognition of the new category of energy technology that the company is creating, CFS deepened and broadened its access across the financial ecosystem, with investors that span venture capitalists, private equity firms, sovereign wealth funds, leading individual investors, industrials, hedge funds, pension funds and banks.
New investors in CFS include (in alphabetical order):
A consortium of 12 Japanese companies led by Mitsui & Co., Ltd. and Mitsubishi Corporation also participated. The Japanese consortium included
They join existing CFS investors who increased their stakes, including
"CFS offers investors the clearest path to bringing commercial fusion to the world — and an unprecedented opportunity to make a real impact as global demand for power accelerates with electrification and increased use of AI and data centers," said
The oversubscribed round validates that CFS is developing the most promising path to commercial fusion power in the coming years, as demonstrated by the company's key advances in high-temperature superconducting magnets and its execution velocity in the construction of SPARC in
In parallel, CFS is moving forward with plans to build the world's first grid-scale fusion power plant, called ARC, in
Perspectives from CFS investors:
"CFS is a rare fusion of visionary leadership, scientific breakthrough, and executional excellence – targeting one of the world's biggest markets. Counterpoint Global is excited to partner with CFS to help them achieve their mission to deliver affordable and abundant energy to power a sustainable future."
–Dennis Lynch, Head of Counterpoint Global (Morgan Stanley)
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"Energy has always been the foundation of human progress, driving productivity, health, and prosperity. To meet the challenges of this century, we need energy that is abundant, clean, and accessible everywhere. That's what fusion offers. For the first time in history, we have a real opportunity to commercialize the long-held promise of fusion power, and Commonwealth Fusion Systems has just taken a decisive step toward making that promise a reality." –Laurene Powell Jobs, Founder and President, Emerson Collective
"CFS is pioneering one of the most credible and accelerated pathways to commercial fusion. Their breakthrough high-field magnet technology and pragmatic scaling strategy position them to deliver safe, reliable, and abundant clean energy, an outcome that could fundamentally reshape the global energy system." —Hisham Elhaddad, Managing Partner at
"Achieving commercial, affordable fusion power would be one of the most transformative milestones in human history—delivering clean, limitless energy to help strengthen energy security and improve global living standards. CFS is advancing fusion at a pace and scale that can turn this future into reality—providing a unique opportunity to shape the energy landscape, especially as AI and data centers are driving unprecedented demand." —Carmichael Roberts, Managing Partner,
"We are excited to back Commonwealth Fusion Systems as they aim to transform decades of innovation in deep technologies into scalable, limitless power driving our future infrastructure. Their work exemplifies the kind of bold, world-changing ambition we are committed to supporting, and we are thrilled to partner in shaping the next era of global infrastructure." —Sam Englebardt,
"Few technologies in our investable universe have the potential to reshape the global energy system – and therefore the climate trajectory – as profoundly as fusion power. CFS has assembled a world-class team which is executing on a highly credible plan to deliver net energy gain with SPARC, a transformational milestone.
"Every discovery that changes the world begins with those who have the courage to believe in it. CFS is working on the most advanced technology in the world, in a sector that will revolutionize our lives. As part of
"Eni has further strengthened its financial commitment to CFS, confirming our long-term involvement in the development of fusion energy. We consider this technology a game-changing breakthrough for achieving the energy transition goals. As a relative majority shareholder, Eni's support for CFS extends beyond financial capital. We continue to provide critical operational, technological, and project execution support by sharing methodologies applied in the energy industry." —Clara Andreoletti, CEO
As one of Commonwealth Fusion Systems' earliest investors, we've had a front-row seat to witness their exceptional execution and the remarkable growth of what we believe is one of the most talented teams in the deep tech space. Their consistent ability to hit aggressive milestones while building breakthrough technology has reinforced our conviction that CFS is positioned to lead the clean energy revolution. We are confident in the senior management team's excellence, and their commitment to creating a better world for humanity. We're proud to continue supporting a company that combines world-class innovation with the operational discipline needed to bring fusion power to market as soon as possible." —Nader Motamedy, Managing Partner,
"Backing Commonwealth isn't about chasing hype, it's about supporting a team that is steadily advancing physics and engineering toward the most consequential breakthrough of our lifetime. This fundraise is one more step on that audacious path." —Maryanna Saenko, Co-founder,
"CFS is redefining what it takes to build a deep tech unicorn. With one of the most scientifically vetted approaches to fusion and a team built to execute, they're turning breakthrough science into a global industry."—Mike Schroepfer, Founder,
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"We've been proud to support Commonwealth Fusion Systems since 2019 and every round since. Perhaps no other technology better reflects our mission of backing unstoppable teams solving humanity's most critical challenges - and it's humbling to see them bring abundant, carbon-free fusion energy closer to reality with disciplined execution." —Matias Mosse, Founder of
About Commonwealth Fusion Systems
Commonwealth Fusion Systems is the world's largest and leading private fusion company. The company's marquee fusion project, SPARC, will generate net energy, paving the way for limitless carbon-free energy. The company has raised more than
Media contacts:
Commonwealth Fusion Systems
press@cfs.energy
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SOURCE Commonwealth Fusion Systems
