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# The Tokamak Times

The power of the stars, delivered on Earth.

## Sitemaps

- [XML Sitemap](https://blog.cfs.energy/sitemap.xml): Contains all public & indexable URLs for this website.

## Posts

- [CFS will build its first ARC fusion power plant in Virginia](https://blog.cfs.energy/cfs-will-build-its-first-arc-fusion-power-plant-in-virginia/) - Today, Commonwealth Fusion Systems (CFS) announced the location for our first fusion energy power plant, ARC. We’ll build it in Chesterfield County, Virginia...
- [Introducing the Tokamak Times, Commonwealth Fusion Systems' new blog](https://blog.cfs.energy/commonwealth-fusion-systems-blog-tokamak-times/) - It’s time for Commonwealth Fusion Systems to help the world understand fusion energy a little better. Introducing, Tokamak Times.
- [SPARC progress, DOE Milestone approvals reflect CFS power plant maturity](https://blog.cfs.energy/sparc-progress-doe-milestone-approvals-reflect-cfs-power-plant-maturity/) - Commonwealth Fusion Systems (CFS) has cleared two ARC milestones: creating an ARC preconceptual design and a technology roadmap detailing steps on our path to build the ARC plant.
- [New physics papers lay firm foundation for CFS’ ARC fusion power plant design](https://blog.cfs.energy/new-physics-papers-lay-firm-foundation-for-cfs-arc-fusion-power-plant-design/) - With the publication today of five deeply researched and peer-reviewed papers, Commonwealth Fusion Systems (CFS) and dozens of collaborating physicists have cemented our confidence in the core plasma physics assumptions at work within our upcoming ARC fusion power plant.
- [CFS begins preparing a home for our 100 million degree fusion plasma](https://blog.cfs.energy/cfs-begins-preparing-a-home-for-our-100-million-degree-fusion-plasma/) - The second half of the vacuum vessel for our SPARC demonstration fusion machine has arrived, allowing us to begin equipping it and its counterpart to host the most intense conditions in the solar system.
- [Going to the grid: CFS applies to plug our first ARC fusion power plant into PJM](https://blog.cfs.energy/going-to-the-grid-cfs-applies-to-plug-our-first-arc-fusion-power-plant-into-pjm/) - CFS has pioneered another step of the journey to fusion energy, applying to connect our first ARC fusion power plant in Chesterfield County, Virginia to the world’s largest wholesale electricity market, PJM Interconnection.
- [Four CFS physicists answer your burning questions about our ARC power plant](https://blog.cfs.energy/four-cfs-physicists-answer-your-questions-about-our-arc-power-plant/) - If you have some burning questions about the physics underpinnings of our ARC fusion power plant, we have some answers. For our second “Ask Me Anything” (AMA) on Reddit’s r/fusion subreddit...
- [What we've accomplished at Commonwealth Fusion Systems: our latest 6-month update](https://blog.cfs.energy/past-six-months-commonwealth-fusion-systems-june-2024/) - The past six months have seen tremendous growth and momentum here at Commonwealth Fusion Systems (CFS) in Devens, Massachusetts. In the third video in our series of updates from inside CFS, CEO Bob Mumgaard and VP of Production Darby Dunn share...
- [How fusion powers the energy transition and a zero-carbon industrial revolution](https://blog.cfs.energy/cfs-low-cost-fusion-power-brings-zero-carbon-revolution-within-reach/) - Commonwealth Fusion Systems' low-cost and abundant fusion power will profoundly transform different industries. Here's a look at how...
- [CFS fusion progress: We’ve built more than half of SPARC’s magnet ‘pancakes’](https://blog.cfs.energy/cfs-fusion-progress-weve-built-more-than-half-of-sparcs-magnet-pancakes/) - Here at Commonwealth Fusion Systems (CFS), our Magnet Factory has hit full stride making the electromagnets we need to build our first fusion machine, SPARC. And now we’re more than halfway through making our toroidal field magnet “pancakes,” our Chief Executive Bob Mumgaard reveals in our newest 6-month update. He also details some massive news
- [DOE program funds university, lab fusion research at CFS’ SPARC and other private sites](https://blog.cfs.energy/sparc-selected-to-receive-doe-public-program-research-funding/) - The DOE effort, called the Private Facility Research Program (PFR), funds research that’s of interest to those public-program researchers and that’s relevant to the SPARC tokamak we’re building here in Devens, Massachusetts.
- [CFS conference bridges physics gaps for a better SPARC tokamak](https://blog.cfs.energy/cfs-conference-bridges-physics-gaps-for-a-better-sparc-tokamak/) - CFS recently gathered about 60 experts in a meeting called the Boundary Collaborators Workshop — the first time CFS has organized such a sizable event.
- [What’s new at CFS: SPARC assembly and commissioning work begins](https://blog.cfs.energy/whats-new-at-cfs-sparc-assembly-and-commissioning-work-begins/) - Our SPARC fusion machine is beginning to take shape — literally. In our newest six-month video you can see...
- [Fusion forward: CFS signs second power plant customer in 3 months](https://blog.cfs.energy/fusion-forward-cfs-signs-second-power-plant-customer-in-3-months/) - In June, Commonwealth Fusion Systems announced the first customer for the electricity from our ARC fusion power plant. Now hot on the heels of that comes our second customer, Italian energy company Eni, in a deal worth more than $1 billion.
- [Half of SPARC's heart, a 48-ton steel vessel, arrives at CFS](https://blog.cfs.energy/half-of-sparcs-heart-a-48-ton-steel-vessel-arrives-at-cfs/) - With the delivery the first half of the vacuum vessel, the heart of our SPARC machine, our fusion energy plans are literally starting to take shape.
- [Diagnostics: How to know your fusion machine is working — or what went wrong](https://blog.cfs.energy/diagnostics-how-to-know-your-fusion-machine-is-working-or-what-went-wrong/) - This week, at the 26th High Temperature Plasma Diagnostics (HTPD) conference, researchers from Commonwealth Fusion Systems (CFS) are showing our newest work on diagnostics for SPARC, the machine we’re building right now to demonstrate net fusion energy and pave the way for fusion power on the electricity grid.
- [Star builders: Follow CFS on our journey to fusion energy](https://blog.cfs.energy/starbuilders/) - At CFS, we sometimes call ourselves star builders. That’s because the machine we’re constructing will create, on Earth, the same process that powers the sun.
- [Star builders: Why fusion is an ideal energy source](https://blog.cfs.energy/why-fusion-is-an-ideal-energy-source/) - Fusion electricity comes with almost none of the ugly side effects of most energy generation today. No emissions, no pipelines, no problem on cloudy or windless days, no long-lived radioactive waste.
- [Star builders: The new technology that made CFS possible](https://blog.cfs.energy/the-new-technology-that-made-cfs-possible/) - The idea of fusion energy has been around for decades, but it’s been really hard to actually turn that idea into commercial fusion energy. A thin strip of copper-colored tape is what led to our effort.
- [Memo from Massachusetts: Thanks, Arthur Eddington, for figuring out fusion](https://blog.cfs.energy/memo-from-massachusetts-thanks-arthur-eddington-for-figuring-out-fusion/) - A century separates the pioneering work of a UK astrophysicist and CFS’ fusion energy work. Chief Science Officer Brandon Sorbom still feels the link.
- [Humanity's power move: Deliver clean fusion energy to the planet fast enough to matter](https://blog.cfs.energy/humanitys-power-move/) - Commonwealth Fusion Systems is on a mission to deliver clean fusion energy to the planet fast enough to matter for the world's biggest challenges. It's humanity's power move.
- [Scaling from research to reality: How CFS is building a colossal fusion future](https://blog.cfs.energy/from-research-to-reality-cfs-is-building-a-colossal-fusion-future/) - Scaling up a brand-new energy technology is hard work, but humanity has done it before. CFS is building a colossal fusion future.
- [Fusion 101: How to harness fusion to make a power plant](https://blog.cfs.energy/fusion-101-how-to-harness-fusion-to-make-a-power-plant/) - Fusion 101. Dive into the building blocks of fusion — what it is, how it works, how we draw power from it, and CFS' plan to make it a reality on earth.
- [CFS flexes magnet-manufacturing muscle to build the fusion ecosystem](https://blog.cfs.energy/cfs-flexes-magnet-manufacturing-muscle-to-build-the-fusion-ecosystem/) - Today, we at Commonwealth Fusion Systems (CFS) announced a partnership to build superconducting magnets for Type One Energy. Here’s why we’re eager to...
- [How CFS is building a fusion factory, not just a single fusion machine](https://blog.cfs.energy/how-cfs-is-building-a-fusion-factory-not-just-a-single-fusion-machine/) - At Commonwealth Fusion Systems (CFS), we’re not just building SPARC, the machine we plan to use to demonstrate net fusion energy in 2027. We’re also building a factory — the machine that builds the machine.
- [CFS takes its next step toward fusion energy: assembling the SPARC tokamak](https://blog.cfs.energy/cfs-takes-its-next-step-toward-fusion-energy-assembling-the-sparc-tokamak/) - This month, Commonwealth Fusion Systems began a new chapter of fusion energy progress: assembling the SPARC tokamak. We can now see the beginnings of the actual machine we’ll use to prove the commercial viability of our technology.
- [The race to lead the world in fusion has begun](https://blog.cfs.energy/the-race-to-lead-the-world-in-fusion-has-begun/) - A global race to develop fusion energy has begun — and governments that actively support the commercial fusion industry stand to benefit from this clean and essentially limitless source of power.
- [Look inside the SPARC fusion facility as CFS powers on its first systems](https://blog.cfs.energy/look-inside-the-sparc-fusion-facility-as-cfs-powers-on-its-first-systems/) - It’s time for a fresh look inside the facility where we’re building SPARC, a machine called a tokamak we’re building to demonstrate fusion energy’s commercial viability. In this tour, you can see how the first element of the tokamak is installed — and how we’ve begun putting some of the supporting hardware through its paces.
- [Google deal helps propel CFS fusion energy onto the grid](https://blog.cfs.energy/google-deal-helps-propel-cfs-fusion-energy-onto-the-grid/) - It’s a lot of work to invent a new source of energy and even more to build an industry. But the strategic partnership that Commonwealth Fusion Systems (CFS) announced with Google today is fast-tracking that progress by helping to pull fusion power onto the electrical grid to meet our early 2030s plan. Google and CFS are sending a demand signal now to catalyze the commercial fusion market.
- [First step on the path to fusion energy: Producing stable plasma](https://blog.cfs.energy/first-step-on-the-path-to-fusion-energy-producing-stable-plasma/) - A deep dive into milestone one of the six fusion energy milestones that I detailed last year. My goal is to help everyone track what actually matters.
- [How $863M in new funding fast-tracks commercial fusion power](https://blog.cfs.energy/how-863m-in-new-funding-fast-tracks-commercial-fusion-power/) - Our mission is to deliver fusion’s clean, secure, and steady energy at scale as soon as possible. A new $863 million in funding ensures we can do just that.
- [Fusion energy milestone 2: Heating up the plasma](https://blog.cfs.energy/fusion-energy-milestone-2-heating-up-the-plasma/) - It’s time for a closer look at the second of the six milestones every fusion energy company must pass to succeed.
- [How the US must respond to China’s moves to win the fusion energy race](https://blog.cfs.energy/how-the-us-must-respond-to-chinas-moves-to-win-the-fusion-energy-race/) - CFS CEO and Co-founder Bob Mumgaard testified before the House Science, Space, and Technology Committee about the global race to deploy fusion energy first.
- [If scaled up, DOE Milestone program could truly catalyze fusion energy](https://blog.cfs.energy/department-of-energy-milestone-program-if-scaled-up-could-truly-catalyze-fusion-energy/) - We’ve finished manufacturing and rigorously testing a key component for our SPARC fusion machine, earning an award through the Department of Energy's Milestone program.
- [With AI alliance, Google DeepMind and CFS take fusion to the next level](https://blog.cfs.energy/with-ai-alliance-google-deepmind-and-cfs-take-fusion-to-the-next-level/) - #Fusion energy holds the promise of clean, affordable electricity that can help power the next phase of our civilization’s development, a tool to bring many other advancements within reach. And AI already is on its way to becoming a similarly enabling technology that touches every corner of our lives. That’s why we at Commonwealth Fusion
- [Fusion energy’s third step: Taming a superheated plasma](https://blog.cfs.energy/fusion-energys-third-step-taming-a-superheated-plasma/) - For milestone 3, of the six-step path to fusion energy, you’ve got to crank up your machine so its plasma is hot enough, dense enough, and well enough insulated at the same time.
- [How new SPARC fusion research leads to the ARC power plant](https://blog.cfs.energy/how-new-sparc-fusion-research-leads-to-the-arc-power-plant/) - At a major physics conference this week, CFS and our collaborators from labs and universities will detail how research on SPARC leads directly to progress on the ARC power plant.
- [CFS delivers its first fusion magnet — a stronger, smaller design](https://blog.cfs.energy/cfs-delivers-its-first-fusion-magnet-a-stronger-smaller-design/) - CFS has completed and delivered our first cutting-edge, superstrong magnet — a culmination of years of work to develop and manufacture the foundational technology to bring fusion energy to the grid.
- [How NVIDIA AI and simulation libraries and Siemens tools can accelerate fusion energy](https://blog.cfs.energy/how-nvidia-ai-and-simulation-libraries-and-siemens-tools-can-accelerate-fusion-energy/) - Alongside the physical SPARC machine will be its digital representations — compilations of data and simulations that supercharge our work.
- [New hardware, new funds, new partnerships: Watch CFS’ latest 6-month fusion update](https://blog.cfs.energy/new-hardware-new-funds-new-partnerships-watch-cfs-latest-6-month-fusion-update/) - SPARC, the machine we’ll use to prove most of the technology we need for a fusion power plant, has made tons of progress over the last half year.
- [Fourth step on the path to fusion energy: Q>1](https://blog.cfs.energy/fourth-step-on-the-path-to-fusion-energy-q1/) - Let's look at the fourth of six milestones to achieve fusion energy, a monumental achievement called net fusion energy, also known as Q>1.
- [Fifth step on the path to fusion energy: Net electricity](https://blog.cfs.energy/fifth-step-on-the-path-to-fusion-energy-net-electricity/) - It’s time to write about the fifth milestone to fusion: generating net electricity. That means producing, collecting, and controlling enough energy that it could be sold onto the power grid.
- [CFS–Realta magnet partnership speeds fusion energy progress](https://blog.cfs.energy/cfs-realta-magnet-partnership-speeds-fusion-energy-progress/) - Commonwealth Fusion Systems will build high-temperature superconducting (HTS) magnets for Realta Fusion, a strategic partnership that will benefit both companies’ efforts to bring this new form of clean, affordable energy to the grid.
- [Fusion physics experts connect at CFS’ second collaboration workshop ](https://blog.cfs.energy/fusion-physics-experts-connect-at-cfs-second-collaboration-workshop/) - Near CFS headquarters in Devens, MA, we just wrapped up our second Boundary Collaborators Workshop — a conference that lets us meet with a range of experts who might be interested in engaging with us in our fusion work.
- [How U.S. states can attract fusion power plants: A new CFS white paper](https://blog.cfs.energy/five-ways-us-states-can-attract-fusion-power-plants/) - This post offers a quick look at what's important, but we've also published a white paper on U.S. state actions to attract commercial fusion development.
- [CFS Co-founder Brandon Sorbom answers fusion questions in recent ‘ask me anything’ on Reddit](https://blog.cfs.energy/cfs-co-founder-brandon-sorbom-answers-fusion-questions-in-recent-ask-me-anything-on-reddit/) - A few weeks ago, CFS Chief Science Officer and Co-founder Brandon Sorbom conducted the company's first "ask me anything" (AMA) on Reddit's r/fusion subreddit.
- [Our SPARC fusion facility is now about 75% done. Take a virtual tour of the progress](https://blog.cfs.energy/our-sparc-fusion-facility-is-now-about-75-done-take-a-virtual-tour-of-the-progress/) - It’s time for a brand new virtual tour of the SPARC facility, the building on CFS campus in Devens, Massachusetts where we’re building a donut-shaped fusion machine called a tokamak.
- [How LIBRTI will help CFS verify our fusion fuel production technology](https://blog.cfs.energy/how-librti-will-help-cfs-verify-our-fusion-fuel-production-technology/) - CFS will be the first organization to use a new United Kingdom Atomic Energy Authority (UKAEA) facility for its Lithium Breeding Tritium Innovation (LIBRTI) program.
- [CFS prepares SPARC’s fusion support systems for dress rehearsal](https://blog.cfs.energy/cfs-prepares-sparcs-fusion-support-systems-for-dress-rehearsal/) - Here at Commonwealth Fusion Systems, we’re firing up more and more support systems for our SPARC tokamak in anticipation of a moment we call DDR — that’s dry dress rehearsal, not Dance Dance Revolution.

## Pages

- [Sample Page](https://blog.cfs.energy/sample-page/) - This is an example page. It's different from a blog post because it will stay in one place and will show up in your site navigation (in most themes). Most people start with an About page that introduces them to potential site visitors. It might say something like this: Hi there! I'm a bike messenger

## Categories

- [CFS Business](https://blog.cfs.energy/category/business/)
- [Fusion & Tech](https://blog.cfs.energy/category/fusion/)
- [Climate & Policy](https://blog.cfs.energy/category/climate/)
- [Energy Innovators](https://blog.cfs.energy/category/energy/)
- [Star Builders](https://blog.cfs.energy/category/starbuilders/)

## Tags

- [6 month update](https://blog.cfs.energy/tag/6-month-update/)
- [Magnet technology](https://blog.cfs.energy/tag/magnet-technology/)
- [Magnet Factory](https://blog.cfs.energy/tag/magnet-factory/)
- [SPARC](https://blog.cfs.energy/tag/sparc/)
- [HTS](https://blog.cfs.energy/tag/hts/)
- [manufacturing](https://blog.cfs.energy/tag/manufacturing/)
- [PowerMoves](https://blog.cfs.energy/tag/powermoves-2/)
- [ARC](https://blog.cfs.energy/tag/arc/)
- [Google](https://blog.cfs.energy/tag/google/)
- [Fusion Milestones](https://blog.cfs.energy/tag/fusion-milestones/)
- [Commercialization](https://blog.cfs.energy/tag/commercialization/)
- [Milestone Award](https://blog.cfs.energy/tag/milestone-award/)
- [Department of Energy](https://blog.cfs.energy/tag/department-of-energy/)
- [CES2026](https://blog.cfs.energy/tag/ces2026/)
- [Fusion 101](https://blog.cfs.energy/tag/fusion-101/)
- [Q>1](https://blog.cfs.energy/tag/q1/)
- [NVIDIA](https://blog.cfs.energy/tag/nvidia/)
- [Siemens](https://blog.cfs.energy/tag/siemens/)