Announcement
Announcing Helion’s $425 million Series F
We’re using this funding to accelerate our path to commercialized fusion power.
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News & media
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News
Helion Energy teams aim to harness fusion power for a clean energy future in Washington and beyond
Electrical engineers, machinists, technicians, material handlers and more work together on the future of clean energy production.
Puget Sound Business Journal
News
A Futuristic Plan to Make Steel With Nuclear Fusion
Helion Energy and Nucor are teaming up to build a power plant at one of Nucor’s U.S. steel mills
Wall Street Journal
Blog
How to engineer a renewable deuterium–helium-3 fusion fuel cycle
To create electricity from fusion using a D–³He fuel cycle, we must engineer a machine that can both operate with and abundantly generate fuels for sustained use.
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The hardware and people enabling a better world
At Helion, the work is intense, and the stakes are high. It's stepping into a place where the future is being built in real-time.
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How to shield neutrons
As we work toward building commercial fusion power plants, it is important to recognize the role shielding plays in protecting against neutrons.
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More on Helion’s pulsed approach to fusion
A key differentiator for Helion’s approach to fusion is that we do our fusion reactions in a stream of pulses.
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Securing U.S. fusion leadership
Chief among our challenges is building the supply chain and infrastructure necessary to scale fusion, ensuring the U.S. takes the lead in this fast-emerging field.
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Why fusion is not “nuclear”
The difference between fusion and fission results in very distinct public safety, regulatory, and societal implications for the two.
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Explaining Helion’s fusion fuel: D-He-3
We use a unique fusion fuel: Deuterium-Helium-3 (D-He-3). This sets us apart from most fusion approaches.
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Helion’s evolved core values: Shaping our mission and culture
At Helion, our mission isn’t just a statement. It’s a call for action against climate change, all while enhancing the well-being of every individual on this earth.
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A note on FRC instabilities
It's true, FRCs are unstable. A good question to ask then is, why start a fusion company based on an FRC approach?
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What does a world look like with unlimited clean electricity?
Fusion, which would provide virtually limitless low-cost energy whenever and wherever it’s needed, unlocks an insurmountable amount of opportunity for the world.
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Media highlights
Helion raises $425 mln from SoftBank's venture arm, hits $5.4 bln valuation
The Everett, Washington-based Helion said the funding will help it speed up the development of its next generation fusion reactor design.
Reuters
Sam Altman, SoftBank invest in $425M round for Helion, a Seattle-area startup chasing fusion power
Helion Energy announced a $425 million funding round that will help the Seattle-area fusion company chase the “Holy Grail” of clean energy.
GeekWire
Helion raises $425M to help build a fusion reactor for Microsoft
Helion announced Tuesday a $425 million Series F raise that pushed its valuation $5.245 billion.
TechCrunch
U.S. in a Race with China to Develop Commercial Fusion Power Technology
While the U.S. has been at the forefront of fusion research, China has also put a lot of money toward fusion lately.
Power Magazine
State grants Everett-based Helion a fusion energy license
The permit allows Helion to use radioactive materials to operate the company’s fusion generator.
Everett Herald
Nuclear Fusion Pushes to Reach Commercial Power Plant Stage
Fusion is a power source that can generate nearly 4 million times more energy than fossil fuel combustion and four times more per kilogram of fuel than an existing fission nuclear power plants.
Engineering News Record
Helion Energy teams aim to harness fusion power for a clean energy future in Washington and beyond
At Helion Energy, a fusion clean energy company based out of Everett, Washington, electrical engineers, machinists, technicians, material handlers and more work together on the future of clean energy production: fusion.
Puget Sound Business Journal
Are we on the brink of a nuclear fusion breakthrough?
Nuclear fusion could change the world. It would produce energy at lower costs than we generate it now without greenhouse gas emissions or long-term nuclear waste.
NPR
A world with abundant fusion energy with David Kirtley of Helion Energy
Here's our full-length interview with David Kirtley, founder of Helion Energy, where we dive deep into the need for fusion as a replacement for fossil fuels.
Age of Miracles
OpenAI CEO Altman says at Davos future AI depends on energy breakthrough
Altman said the silver lining is that more climate-friendly sources of energy, particularly nuclear fusion or cheaper solar power and storage, are the way forward for AI.
Reuters
Companies say they're closing in on nuclear fusion as an energy source. Will it work?
Inside a warehouse in Everett, Wash., the commercial fusion company Helion is building a next-generation device that it believes can revolutionize the electricity business.
NPR
A Futuristic Plan to Make Steel With Nuclear Fusion
Helion Energy and Nucor are teaming up to build a power plant at one of Nucor’s U.S. steel mills
Wall Street Journal
An Exotic Approach to Nuclear Fusion (Helion Energy BTS)
For half a century we've focused on creating a sustained fusion reaction. However, is a sustained reaction really the right approach? Helion Energy's topography is so different, that it may just have a chance.
The Plasma Channel
A Sam Altman-backed startup is betting it can crack the code on fusion energy. Here's how it's trying to bring that to the masses by 2028
Helion Energy wants to produce large amounts of electricity through fusion by 2028.
Business Insider
Microsoft signs nuclear fusion deal as part of sustainability push
Microsoft has signed a power purchase agreement with nuclear fusion energy startup Helion for at least 50 megawatts of electricity beginning in 2028, the companies announced Wednesday.
Axios
In historic first, Microsoft signs deal to buy fusion power by 2028
Microsoft has signed the world’s first-ever deal to purchase fusion energy.
The company has agreed to buy 50 megawatts of energy per year from Washington state-based Helion Energy starting in 2028.
Fusion power by 2028? Microsoft is betting on it
Microsoft inks deal with fusion start-up for electricity on a timeline that would be game-changing, if real.
Washington Post
Nuclear fusion will not be regulated the same way nuclear fission is - a big win for the fusion industry
The nation’s top regulatory body for nuclear power plants and other nuclear materials, the Nuclear Regulatory Commission, has officially voted to regulate nuclear fusion differently than fission.
CNBC
Geekwire Awards: How these five Workplace of the Year finalists navigate challenging times
Helion Energy is nominated as a PNW Workplace of the Year
GeekWire
The 2022 Good Tech Awards
Nuclear fusion, generative A.I., bee tracking and more. There’s a lot to like.
New York Times
A new way to achieve nuclear fusion: Helion
Real Engineering visits Helion at its Redmond and Everett locations
Real Engineering
WE DID NUCLEAR FUSION
Cleo Abram and Simone Giertz build a fusor with help from the Helion team
Cleo Abram
144: Gone Fusion - Exciting Fusion Energy Startups
Matt and Sean talk to Helion Energy’s CEO, David Kirtley about their technology.
Still TBD Podcast
What it feels like to visit a fusion company lab on a day when wildfire smoke cloaks the horizon
Visiting Helion Energy’s enormous workspace and lab in Everett, Wash., pulled the idea of fusion out of the completely fantastical and into the potentially real for me.
CNBC
How this fusion reactor will make electricity by 2024
Can this new nuclear fusion generator make unlimited clean electricity?
Electric Future
Why Private Billions are Flowing into Fusion
As the world searches for a way to avoid climate catastrophe, dozens of fusion startups are putting billions of dollars into the risky quest for unlimited clean power.
Bloomberg Quicktake
Helion Energy: New Everett company has sun in its eyes
The firm is the winner of a new award by Economic Alliance Snohomish County, called Opportunity Lives Here.
Everett Herald
Can fusion-powered Helion Energy change the world - from Everett?
The company, which is relocating from Redmond, is on a multibillion-dollar quest to produce clean electricity.
Everett Herald
Helion secures $2.2B to commercialize fusion energy
Helion Energy, a clean energy company committed to creating a new era of plentiful, zero-carbon electricity from fusion, today announced the close of its $0.5 billion Series E, with an additional $1.7 billion of commitments tied to specific milestones.
TechCrunch
Redmond-based clean energy startup to build pioneering fusion energy facility
Local startup Helion Energy said Tuesday it will build a facility in Everett to test the latest version of its “fusion energy” generator, a project it said has the potential to create electricity without producing any carbon emissions.
The Seattle Times
Helion Energy Achieves Key Fusion Milestone
US-based Helion Energy announced that its sixth fusion generator prototype has exceeded 100 million degrees Celsius. The prototype, called Trenta, has undergone a 16-month series of reliability and durability tests on key components of the fusion process.
World Nuclear News
Press Releases
Announcing Helion’s $425 million Series F
We’re using this funding to accelerate our path to commercialized fusion power.
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Helion Granted Fusion Energy Safety License from Washington State Department of Health
The issuance of a Large Broad Scope license underscores Helion’s dedication to maintaining the highest standards of safety.
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Announcing Helion’s collaboration with Nucor
Together, we’re working to deploy a 500 MW fusion power plant, a major step in decarbonizing industrial manufacturing
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Announcing Helion’s fusion power purchase agreement with Microsoft
In pursuit of building the world’s first fusion power plant, enabling a future with unlimited clean electricity
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Helion supports Congressional call for differentiated regulatory framework for fusion energy
Appropriate regulation will enable Helion to safely and rapidly deploy fusion electricity to the grid
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Announcing Helion's latest fundraise of $500 million
This new funding will be used to accelerate our construction of Polaris, expected to demonstrate net electricity from fusion in 2024.
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Helion Energy Breaks Ground on Site of Its Next-Generation Fusion Facility in Everett, Washington
Washington Governor Jay Inslee and Everett Mayor Cassie Franklin attend in support of the company’s expansion of operations and creation of new clean energy jobs.
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Helion Energy Achieves 100 Million Degrees Celsius Fusion Fuel Temperature and Confirms 16-Month Continuous Operation of Its Fusion Generator Prototype
Both Mark Significant Achievements In Path Toward Commercial Fusion Electricity.
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Fusion Energy Startup Helion Energy Closes Latest Funding Round at $1.25B Valuation
The company raised $40 million in Series D funding, accelerating Helion’s ability to innovate new technology that will create a path to unlimited, clean electricity from fusion.
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