Historic Offtake Agreement: Google has committed to purchasing 200MW of fusion-generated energy from CFS’s first commercial plant, the largest direct corporate fusion offtake to date.
Strategic Investment: This marks Google’s second capital investment in CFS, aimed at accelerating the commercialization of net-energy-positive fusion power.
Clean Energy Portfolio Expansion: Fusion joins Google’s growing portfolio of transformative clean energy bets, including advanced nuclear and next-gen geothermal solutions.
Google has taken a bold step toward a fusion-powered future through a new partnership with Commonwealth Fusion Systems (CFS), signing the largest-ever direct corporate offtake agreement for fusion energy.
Under the agreement, Google will offtake 200 megawatts (MW) of carbon-free energy from CFS’s first commercial fusion plant, to be developed in Chesterfield, Virginia. In addition, Google is making its second capital investment in CFS to support the company’s advancement from recent breakthroughs toward scalable, commercial fusion technology.
“Imagine a world powered by the same energy that fuels the sun and the stars,” Google stated. “Today we’re taking our biggest step so far to make this a reality.”
Fusion, which involves fusing light atomic nuclei at extreme temperatures (over 100 million degrees Celsius), promises a clean, abundant, and inherently safe source of energy. However, reaching commercial viability remains a formidable challenge.
In fusion, when nuclei fuse within a super-heated plasma, they release massive amounts of energy without carbon emissions. The key to success lies in achieving “net energy positive” conditions—where the system generates more energy than it consumes (Q>1). No private company has achieved this milestone yet, but CFS is edging closer.
CFS uses powerful high-temperature superconductor magnets arranged in a tokamak configuration—essentially a magnetic donut—to confine and control plasma. These innovations are central to CFS’s SPARC demonstration machine, currently being assembled in Massachusetts.
“We’re excited about CFS’s technology because their magnet breakthroughs enable a more compact and commercially viable tokamak design,” Google said. “This is the core innovation in their SPARC demonstration machine.”
Google initially invested in CFS in 2021 to support SPARC’s development. The latest investment will back the ARC project, CFS’s first commercial fusion plant, which Google hopes to bring online with their offtake deal. The agreement also includes an option to purchase power from future fusion plants.
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“Scaling any type of new technology requires taking some bold steps, and first-of-a-kind power plants are no different,” said Google. “That’s why Google and CFS are eager to use ARC to catalyze the commercial fusion market.”
This announcement adds fusion to Google’s expanding clean energy portfolio. Since 2010, the company has procured over 22 gigawatts (GW) of clean energy, enabling a 12% reduction in data center energy emissions.
“As global energy demand grows, companies like Google can play an important role supporting technologies that have a path to provide clean firm capacity within the next decade,” the company noted.
The deal complements earlier landmark agreements in advanced nuclear and next-generation geothermal, as well as continued support for earlier-stage clean technologies.
“We are adding Fusion to our portfolio because of its potential to be transformative in delivering abundant, sustainable energy for the planet,” said Google. “Our new partnership with CFS marks an exciting step forward on this journey.”
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