Commonwealth Fusion Systems

Commonwealth Fusion Systems

Develops and commercializes fusion energy systems

About Commonwealth Fusion Systems

Simplify's Rating
Why Commonwealth Fusion Systems is rated
A+
Rated A+ on Competitive Edge
Rated A on Growth Potential
Rated A+ on Differentiation

Industries

Energy

Company Size

501-1,000

Company Stage

Grant

Total Funding

$2B

Headquarters

Harvard, Massachusetts

Founded

2018

Overview

Commonwealth Fusion Systems (CFS) focuses on developing fusion energy as a clean and sustainable power source to address climate change. The company utilizes advanced magnet technology, created in partnership with MIT, to build smaller and more affordable fusion systems called tokamaks. These devices use magnetic fields to confine plasma in a toroidal shape, making them efficient for achieving fusion. CFS is currently manufacturing high-temperature superconducting magnets and constructing SPARC, the first commercially-relevant net energy fusion machine, which will lead to the development of ARC, the first fusion power plant. Unlike its competitors, CFS emphasizes a mission-driven approach, scientific integrity, and collaboration to foster innovative ideas. The company's goal is to provide cost-competitive fusion energy that can significantly reduce the impact of climate change.

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Simplify's Take

What believers are saying

  • CFS plans to build the first commercial fusion reactor in Virginia by 2030.
  • High-temperature superconducting materials are reducing costs and increasing reactor efficiency.
  • Increased private investment is driving significant funding into the fusion sector.

What critics are saying

  • Potential delays in SPARC could impact commercialization timelines.
  • High development costs may lead to financial strain for CFS.
  • Achieving net energy-positive fusion reactions remains a significant technical challenge.

What makes Commonwealth Fusion Systems unique

  • CFS uses rare-earth barium copper oxide superconductor technology for energy development.
  • Collaboration with MIT enhances CFS's fusion research and technological capabilities.
  • CFS's SPARC and ARC projects aim to pioneer commercial fusion energy.

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Funding

Total Funding

$2013.6M

Above

Industry Average

Funded Over

5 Rounds

Grant funding comparison data is currently unavailable. We're working to provide this information soon!
Grant Funding Comparison
Coming Soon

Benefits

12.5 Company-wide Holidays

Our vacation policy is 'take vacation'

Our sick time policy is 'get better and try not to make others sick'

Generous parental leave policy

Health Reimbursement

Health, Dependent Care, & Limited Purpose Flexible Spending Accounts

Delta Dental, Blue 20/20 Vision optional

Wellbeing / Headspace coverage

Short-term & long-term disability

Life and AD&D insurance

401K

Growth & Insights and Company News

Headcount

6 month growth

1%

1 year growth

2%

2 year growth

1%
NEI Magazine
Apr 8th, 2025
Assembly of SPARC tokamak underway

CFS has been developing SPARC step by step for years.

Securities.io
Mar 4th, 2025
Unraveling Safe And Practical Fusion – New Insights Into Trapped Fuel Shared

Fusion Fuel EfficiencyNuclear Fusion is potentially the ultimate green energy source, producing no dangerous byproducts, radioactivity (the only “waste” is helium), or greenhouse gases. And it could be powered by a fuel so abundant that it is a significant percentage of the entire Universe: deuterium, an isotope of hydrogen.But this is also a very difficult to achieve form of energy generation. It requires replicating on Earth the conditions in the core of the Sun, with tremendous pressures and tens or hundreds of millions of degrees.Nuclear fusion has been achieved in physics laboratories for decades, but a net energy-positive fusion reaction is still to be reached. This is what many are racing to accomplish, from the international megaproject ITER to commercial fusion projects like Commonwealth Fusion Systems and Proxima Fusion.Commercial viability will depend not only on achieving stable and energy-positive plasma generation, but also on the general efficiency of the process.One open question is the fuel efficiency. Deuterium is known to be partially absorbed by the walls of the tokamak fusion reactors. Researchers at Princeton University, University of California, University of Tennessee, Sandia National Laboratory, and General Atomics are figuring it out.They published their results in Nuclear Materials and Energy1, under the title “Deuterium retention behaviors of boronization films at DIII-D divertor surface”.Deuterium, Tritium FusionThe lighter an atom is, the more potential energy is released when it undergoes nuclear fusion

HR Today
Dec 28th, 2024
John Kruep Joins Commonwealth Fusion Systems as Senior Director, People Operations

Cambridge, Massachusetts, United States, December 2024 - John Kruep has been appointed as Senior Director, People Operations at Commonwealth Fusion Systems (CFS).

Securities.io
Dec 27th, 2024
First Commercial Nuclear Fusion Project Announced

Fusion, The Ultimate Energy SourceAs stable, reliable, cheap, and carbon-neutral energy supplies become an increasingly pressing issue, all eyes have been on nuclear solutions.This includes nuclear fission, or the splitting of heavy atoms like uranium, thorium, or plutonium. This technology is making a dramatic comeback on the back of the phasing out of coal and gas power plants, despite the need for baseload power generation, as well as the trends of electrification of transportation, heating, and industrial production.It is, however, not without problems, even for the more advanced 4th generation of nuclear power plants. Most notably, it still involves the handling of highly radioactive materials, something the public is still wary of and never going to be fully environmentally neutral.This is why scientists have been looking at the promises of nuclear fusion, which merge together atoms like hydrogen, the same phenomenon powering the Sun.This would use a fuel that is the most abundant element in the Universe and produce only harmless helium or lithium. It would also be powerful enough to make available essentially infinite energy, with zero risk of explosion or runaway chain reaction.The problem is that producing the required conditions is so hard to achieve that no fusion reactor has ever come close to commercialization so far.This might change in less than a decade, at least according to Commonwealth Fusion Systems (CFS). The company has just announced that it is moving toward building the first commercial fusion reactor in Virginia .CFS Reactor ProjectCommonwealth Fusion Systems is aiming for its ARC reactor to generate 400 MW for the Virginian power grid, which is enough to power 150,000 homes.This is a radical advancement for the field of nuclear fusion, as it always seemed that the first scale-up reactor was 20-30 years away. Even the massive international endeavor that is ITER (International Thermonuclear Experimental Reactor) is not expected to be finished before 2039.In comparison, the CFS reactor is planned to be built on a site owned by the energy company Dominion (D +0.2%)

Energy Reporters
Dec 23rd, 2024
World's First Grid-Scale Nuclear Fusion Plant to Be Built in Virginia

CFS plans to invest billions into constructing the plant near Richmond, which is expected to generate 400 megawatts of electricity-enough to power around 150,000 homes.

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