Top 10 Fusion Energy startups in USA

Updated: April 21, 2024

1
Funding: $2B
Commonwealth Fusion develops energy through inexhaustible power plant. It uses rare-earth barium copper oxide superconductor technology to develop energy.
2
Funding: $1.3B
TAE Technologies intends to create a new source of clean energy – one that’s powered by nature’s own processes and produces no harmful byproducts. It's on a path to commercial fusion energy and pioneering sustainable solutions for a better tomorrow.
3
Funding: $577.8M
Helion Energy utilizes fusion energy to deliver clean, safe electricity.
4
Funding: $207.8M
Zap Energy is a fusion energy technology company building a fusion reactor that does not employ magnets.
5
Funding: $79M
Focused Energy works to commercialize inertial fusion energy (IFE), which involves the use of high-power laser beams to spark a fusion reaction.
6
Funding: $51.6M
Avalanche Energy is a fusion energy startup that develops micro-fusion reactors that can be used in space.
7
Funding: $29M
Type One Energy uses an enhanced version of a 1957 experimental device invented by US scientist Lyman Spitzer called the “stellarator” to generate nuclear fusion reactions.
8
Funding: $20M
Thea Energy is taking a faster approach to commercialize fusion energy.
9
Funding: $17.8M
Xcimer Energy offers a laser-driven fusion to provide cheap, abundant, and carbon-free energy.
10
Funding: $12M
Realta Fusion develops fusion energy technology for the production of industrial heat and power.
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11
Funding: $10M
LPPFusion’s main technology is Focus Fusion, a fusion energy generator that we are researching and developing. Our spin-off technology is X-scan inspection technology.
12
Funding: $3.2M
CTFusion is a startup that uses a patented technology called Imposed-Dynamo Current Drive (IDCD) to generate compact and magnetically-confined fusion plasmas.
13
Funding: $390K
NearStar Fusion is developing a new pulsed approach to create fusion called Hypervelocity Gradient Field Fusion (HGFF) which builds on a successful method of imploding metallic liners (Z machine) combined with a repeatable theta pinch process developed under a NASA Innovative Advanced Concept study.
14
Funding: $390K
Fusion energy company developing tritium-free pulsed impact fusion for simple, unlimited and clean energy for the world.
15

Electric Fusion Systems, Inc. is developing a compact and portable fusion power generator capable of delivering kilowatts, yet scalable to many megawatts. It creates aneutronic fusion, the only fusion energy source that is truly clean, safe, and environmentally friendly.