Commonwealth Fusion Systems (@CFS

Commonwealth Fusion Systems

911 posts

Commonwealth Fusion Systems

@CFS_energy

On a mission to deliver clean fusion energy fast enough to meet humanity’s biggest challenges with SPARC® and ARC™.

Devens, Massachusetts, USA

Joined March 2017

Pinned
Commonwealth Fusion Systems
@CFS_energy
Jul 2
In its 250 years, America has created some of the most influential innovations in human history. Now, almost 60 years after putting a man on the moon, we’re on the cusp of bringing a star to Earth. Here at CFS, we believe fusion energy, the safe and plentiful energy of the stars,
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Commonwealth Fusion Systems
@CFS_energy
Oct 28, 2025
Big update: Half of our vacuum vessel, the very heart of our SPARC fusion machine, has landed in Devens, Massachusetts. The vacuum vessel is the donut-shaped chamber inside SPARC that'll house our fusion fuel — a superhot cloud of charged particles called a plasma. The delivery
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Commonwealth Fusion Systems
@CFS_energy
Jun 30, 2025
Historic news for CFS: We’ve signed a landmark agreement with @Google, a multifaceted partnership that dramatically advances our commercial fusion energy mission: ⚡️Google signed an offtake agreement for 200 megawatts of power from our first ARC power plant ⚡️Google is
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Commonwealth Fusion Systems
@CFS_energy
Dec 17, 2024
Fusion is coming... to Chesterfield County, Virginia. In an enormous development for CFS and for the commercialization of fusion energy, we've committed to build the world's first grid-scale fusion power plant, ARC, in Virginia. We'll independently finance, build, own, and
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Commonwealth Fusion Systems
@CFS_energy
Dec 1, 2021
CFS has raised >$1.8 billion in Series B funding to commercialize clean, limitless fusion energy. This is a diverse group of investors that believe in CFS & see commercial fusion energy as a game changing tech in the clean energy transition. #fusionenergy
cfs.energy
Commonwealth Fusion Systems Raises $1.8 Billion in Funding to Commercialize Fusion Energy |...
Commonwealth Fusion Systems
@CFS_energy
Sep 12, 2022
Check out the latest construction photos from our commercial fusion campus in Devens, Massachusetts. We’re on track to demonstrate commercially relevant net energy with SPARC in 2025. And by the end of the year, our new manufacturing facility will be completed.
Commonwealth Fusion Systems
@CFS_energy
Aug 28, 2025
Today, Commonwealth Fusion Systems announced we’ve raised $863 million in a new funding round — the second largest investment of committed capital into a deep tech or clean tech company ever. And the largest was our $1.8 billion Series B round in 2021. This Series B2 funding,
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Commonwealth Fusion Systems
@CFS_energy
Oct 16, 2025
It’s time to bring the new computing power of AI to fusion energy. Today, Commonwealth Fusion Systems and @GoogleDeepMind — giants in these two fields — revealed that we’ve joined forces to explore how AI can improve our SPARC fusion machine. Our researchers have begun applying
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Commonwealth Fusion Systems
@CFS_energy
Sep 8, 2021
CFS and @MIT #PSFC have successfully tested the world’s strongest high temperature superconducting magnet -- the key technology on our path to commercial fusion! Read our exciting announcement ow.ly/GZAU50G5WAN
Commonwealth Fusion Systems
@CFS_energy
Dec 19, 2024
It’s happening. ARC, the world’s first grid-scale fusion power plant, is coming to Chesterfield County, Virginia. When we start generating power in the early 2030s, it'll be a colossal moment that'll open the grid to new clean, zero-carbon power that's available on demand.
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Commonwealth Fusion Systems
@CFS_energy
Jun 6, 2023
The @BONDbuild construction crew has been busy assembling bridge cranes in the Tokamak Hall. Soon, we'll start assembling SPARC!
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Commonwealth Fusion Systems
@CFS_energy
May 1, 2024
We’re revolutionizing #FusionEnergy. Our High-Temperature Superconductor (HTS) magnets are: ✅ Tested and peer-reviewed ✅ Breaking world records with a 20 tesla field strength ✅ Reducing the cost per watt of a fusion power plant by a factor of almost 40 ✅ Meeting the
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Commonwealth Fusion Systems
@CFS_energy
Dec 12, 2022
Today's a big day for CFS, as we've officially moved in to our new company headquarters! Devens, Massachusetts will become the birthplace of commercially relevant, net-positive fusion energy.
Commonwealth Fusion Systems
@CFS_energy
Mar 14, 2025
Today, while many contemplate pie, we still can't stop thinking about donuts. Here's one half of SPARC's vacuum vessel, the donut-shaped chamber where the fusion reaction will occur, making its way through the fabrication process. Once completed, we'll ship the two halves to our
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