TOP 8 FUSION ENERGY STARTUPS
- Lori Bravo
- Jan 30, 2021
- 3 min read
Updated: Jan 31, 2021
........ AS OF JANUARY 2021

1. COMMONWEALTH FUSION
FOUNDER || Robert Mumgaard ||
COUNTRY || UNITED STATES ||
APPROXIMATE VALUATION || $267.8M ||
INVESTORS : Equinor, Starlight Ventures and 10 Other Investors
Commonwealth Fusion Systems(CFS) is developing a tokamak nuclear fusion reactor. Uses rare earth barium copper oxide(REBCO) in high-field superconducting magnets for the working of compact fusion reactors.
2. GENERAL FUSION
FOUNDER || Michel Laberge ||
COUNTRY || CANADA ||
APPROXIMATE VALUATION || $238.2M ||
INVESTORS : Disruptive Technology Advisers, Cenovus, I2BF Global Ventures and 24 Other Investors
General Fusion is developing utility-scale fusion power using a new, patent pending concept based on recent developments in Magnetized Target Fusion (MTF). It is the goal of General Fusion to demonstrate and commercialize this new clean, safe and economical concept by the end of the decade.
3. TAE TECHNOLOGIES
FOUNDER || George Sealy & Harry Hamlin ||
COUNTRY || UNITED STATES ||
APPROXIMATE VALUATION || $78M ||
INVESTORS : For Good Ventures, MASIC, UpVentures Capital and 5 Other Investors
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.
4. FIRST LIGHT FUSION
FOUNDER || Nicholas Hawker ||
COUNTRY || UNITED KINGDOM ||
APPROXIMATE VALUATION || €49M ||
INVESTORS : DOE, Mithril, Defense.gov and 2 Other Investors, Weatherford Capital and 3 Other Investors
First Light Fusion (FLF) develops Inertial confinement fusion reactor that can produce power.
5. TOKAMAK ENERGY
FOUNDER || Dr Mikhail Gryaznevich ||
COUNTRY || UNITED KINGDOM ||
APPROXIMATE VALUATION || €48M ||
INVESTORS : USA.gov, David Harding, Legal & General and 3 Other Investors
Tokamak Energy aims to accelerate the development of fusion energy. Tokamak Energy was founded by leading scientists from the world's leading fusion research establishment at Culham to develop the potential to use fusion neutrons for a variety of applications from material treatments to medical applications or low cost hydrogen production.
6. KRONOS FUSION
FOUNDER || PRIYANCA FORD ||
COUNTRY || UNITED STATES ||
APPROXIMATE VALUATION || $36M ||
INVESTORS : Oxford Sciences Innovation, Invesco, Disruptive Technology Ventures and 1 Other Investors
Kronos Fusion Systems leveraging over a 100 billion dollars in global government research endeavours plus 60 years of Fusion Research and leap-frogging similar current thought processes in accurately demonstrating the capacity of deep learning to forecast fusion disruptions. Our Virtual Fusion Generator has proven successful in decreasing the error rate here reduces the sudden loss of confinement of plasma particles and energy. Machine Learning algorithms in our Kronos Fusion Systems drive to increase fusion rate - thus lowering the costs on our fusion energy generators by 17-20% compared to every other chartered to be build.
7. PHEONIX
FOUNDER || Greg Piefer ||
COUNTRY || UNITED STATES ||
APPROXIMATE VALUATION || $32M ||
INVESTORS : Deerfield, Wisconsin Super Angel Fund
Phoenix has developed a hydrogen-based nuclear fusion reactor to generate nuclear power. The technology utilizes Deuterium-Deuterium and Deuterium-Tritium fusion reaction in a microwave source which increases the neutron yield and the life of both the source and the target. Alectryon and Thunderbird are the two neutron generators developed by the company. Also, has commercialized the Ion Implantation techniques for longer lifetime ion source and accelerators for neutron generators. Serves industries like defense, semiconductor, medical, and aerospace.
8. HB11 ENERGY
FOUNDER || Warren McKenzie ||
COUNTRY || AUSTRALIA ||
APPROXIMATE VALUATION || €19M ||
INVESTORS : Australian Economic Development Authority
HB11 Energy will realize electricity generation with the fusion of hydrogen and boron-11 (HB11) using lasers. It will create an unlimited source of clean, safe and reliable energy using fuels that are abundant in nature using a reaction that does not produce radioactive waste.
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