Bringing fusion energy to commercial reality
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For decades, fusion has promised clean, abundant power without the limitations of fossil fuels or the intermittency of renewables. The challenge has been commercialization: turning scientific progress into a power source that can be built, scaled, and deployed in the real world.
HV believes Marvel Fusion might be the first company to turn commercial nuclear fusion from science fiction into reality.
Founded in Munich in 2019, Marvel Fusion is pursuing laser driven inertial confinement fusion. In this approach, powerful lasers are fired at a tiny fuel target, compressing it so intensely that fusion reactions can occur. The company has raised over $400 million in public and private funding and secured a $150 million partnership with Colorado State University to build the first high power laser facility of its kind in the United States. Today, Marvel Fusion is the best funded laser fusion company worldwide.
The timing matters. Energy demand is rising sharply, driven by AI, data centers, industrial electrification, carbon capture, and the production of cleaner fuels. Fusion could provide the clean, high density, always available energy these industries need to grow.
For decades, fusion has promised clean, abundant power without the limitations of fossil fuels or the intermittency of renewables. The challenge has been commercialization: turning scientific progress into a power source that can be built, scaled, and deployed in the real world.
HV believes Marvel Fusion might be the first company to turn commercial nuclear fusion from science fiction into reality.
Founded in Munich in 2019, Marvel Fusion is pursuing laser driven inertial confinement fusion. In this approach, powerful lasers are fired at a tiny fuel target, compressing it so intensely that fusion reactions can occur. The company has raised over $400 million in public and private funding and secured a $150 million partnership with Colorado State University to build the first high power laser facility of its kind in the United States. Today, Marvel Fusion is the best funded laser fusion company worldwide.
The timing matters. Energy demand is rising sharply, driven by AI, data centers, industrial electrification, carbon capture, and the production of cleaner fuels. Fusion could provide the clean, high density, always available energy these industries need to grow.
Why HV backed Marvel Fusion
Laser driven inertial confinement fusion has already been demonstrated scientifically in major research facilities. Marvel Fusion is focused on the next step: engineering a system that can operate efficiently, scale reliably, and ultimately become economically viable.
“If we can make fusion work, it has no catch,” says Dr. Christian Saller, General Partner at HV.
That distinction is central to HV’s conviction. In fusion, scientific progress alone is not enough. The winning company will need to combine physics, engineering, manufacturing, industrial partnerships, and a clear path to cost efficient deployment.
"The energy transition has a gap that renewables alone cannot fill: always-available, high-density, clean power at scale. Fusion is the answer to that gap, and the moment for it is now, with demand from AI, data centers, and electrification accelerating faster than the grid can keep up. Marvel Fusion has the potential to be the company that closes that gap," says Dr. Christian Saller, General Partner at HV.
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"The energy transition has a gap that renewables alone cannot fill: always-available, high-density, clean power at scale. Fusion is the answer to that gap, and the moment for it is now, with demand from AI, data centers, and electrification accelerating faster than the grid can keep up. Marvel Fusion has the potential to be the company that closes that gap."
Dr. Christian Saller
General Partner, HV
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Proving the technology at scale
Marvel Fusion’s partnership with Colorado State University to develop the ATLAS (Advanced Technology Lasers for Applications and Science) facility is a major step toward proving its laser technology at scale. The facility will give the company access to a dedicated high power research environment, where it can test and refine critical components of its fusion approach.
ATLAS is designed to house ultra-high intensity lasers capable of firing ten times per second at a single fusion target. The repetition rate will allow researchers to run more experiments, collect larger volumes of data, and accelerate the learning cycles needed to make laser fusion efficient, repeatable, and commercially viable.
Marvel is also working with European partners to support the continent’s fusion infrastructure. Together with Siemens, the company is developing the concept for a 100 MW fusion power plant. A plant of this size could supply continuous clean electricity to around 75,000 to 100,000 households.
Marvel Fusion is out to prove that nuclear fusion can move from scientific milestone to commercial energy source.
If successful, the company could unlock clean, always available power for some of the most important technologies and industries of the future, from AI and carbon capture to green fuels and advanced manufacturing. For HV, that is what makes Marvel Fusion compelling: it is not only pursuing one of the hardest problems in science, but one of the biggest opportunities in the real economy.
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