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Radiant
197 posts
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Radiant
@RadiantNuclear
Making Nuclear Power Portable
Los Angeles, CA
radiantnuclear.com
Joined September 2020
82
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10.8K
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  • Pinned
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    Radiant
    @RadiantNuclear
    Dec 17, 2025
    We’re very proud to announce we’ve raised more than $300 million in a new round of funding to mass-produce nuclear reactors! This latest capital raise, coming just six months since closing our Series C, will support the scaling of commercialization efforts as we prepare to break
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    54K
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    Radiant
    @RadiantNuclear
    Jul 15, 2025
    Now we have video showing what two metric tons of West Virginia graphite looks like as it's extruded by our friends at Amsted Graphite Materials. This is the first reactor order of American-made, nuclear-grade graphite in over a decade, and it's coming to @RadiantNuclear!
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    Doug Bernauer
    @DougBernauer
    Apr 21, 2025
    Feast your eyes on two metric tons of West Virginia graphite that will be slowing down neutrons in our first nuclear reactor by next year! Baked at over 2500C by Amsted Graphite Materials, it’s the first reactor order of American-made, nuclear-grade, graphite in over a decade.
    354K
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    Radiant
    @RadiantNuclear
    Oct 17, 2025
    Our first reactor pressure vessel, American-made by the amazing folks at Tech-Max, just arrived at Radiant HQ. Next stop? @INL!
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    41K
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    Radiant
    @RadiantNuclear
    Oct 13, 2025
    We're proud to announce we have selected the first Manhattan Project site in Oak Ridge, Tennessee as our location to build the world's first factory to mass-produce portable nuclear generators. The land for our new factory, which encompasses portions of the historic K-27 and
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    48K
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    Radiant
    @RadiantNuclear
    Aug 6, 2025
    Big news! We've signed an agreement with the @DIU_x and the @usairforce, under the Advanced Nuclear Power for Installations (ANPI) program, designed to deliver a nuclear reactor to a U.S. military base in 2028! This contract - the first designed to deliver a mass-manufactured
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    45K
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    Radiant
    @RadiantNuclear
    Nov 14, 2024
    We’re super excited to announce the close of our $100M Series C, led by DCVC! The funds will primarily be used to complete our Kaleidos Development Unit, which we plan to test at Idaho National Laboratory's DOME facility in less than 2 years.
    Illustration of a power outlet with a nuclear symbol-shaped outlet.
    Exclusive: Radiant raises $100M for portable nuclear generators
    From axios.com
    80K
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    Radiant
    @RadiantNuclear
    Jul 2, 2025
    Want to see pure joy? Watch the moment @DougBernauer and Tori Shivanandan tell the team that @ENERGY selected Radiant to be the first new nuclear reactor to test next year at INL!
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    105K
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    Radiant
    @RadiantNuclear
    May 28, 2025
    Today we’re proud to announce we’ve officially closed our $165 million Series C funding round! That brings our total venture funding to $225 million ahead of our planned test next year of the first new U.S. reactor design in more than 50 years. This latest round, led by @DCVC,
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    27K
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    Radiant
    @RadiantNuclear
    Jul 1, 2025
    BIG news! @ENERGY has just picked Radiant to test at @INL next year - the first new reactor design tested there in almost 50 years.
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    18K
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    Radiant
    @RadiantNuclear
    Aug 21, 2025
    Another day, another first! We're the first reactor developer to officially sign a contract with @ENERGY to receive High-Assay Low-Enriched Uranium (HALEU) fuel, keeping us on track for next year's test at @NRICnuclear's DOME facility at @INL. The agreement follows the
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    Radiant
    @RadiantNuclear
    Aug 14, 2025
    We’re proud to share that @Equinix, the world leader in digital infrastructure, has signed a deal and submitted deposits for the purchase of 20 Kaleidos microreactors. This is not only the largest deal to date for us, it’s the largest deal to date for any mass-manufactured
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    Equinix, Inc.
    @Equinix
    Aug 14, 2025
    Today, @Equinix announced it is working with leading energy companies that are developing innovative approaches to generating reliable and sustainable electricity to support the needs of Equinix data centers worldwide. Read the press release to learn more: eqix.it/3Jlom6F
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    27K
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    Radiant
    @RadiantNuclear
    Apr 24, 2023
    Thanks for the spotlight @Forbes and @TheAlexKnapp! Great to see new nuclear get coverage from such an esteemed institution 💪💪💪
    user avatar
    Forbes
    @Forbes
    Apr 24, 2023
    Backed by Andreessen Horowitz and Founders Fund, Radiant Industries says its megawatt nuclear power generators are cleaner and safer compared to the diesel alternatives that dominate the market for remote and backup power generation. trib.al/FkuDYX5
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    Radiant
    @RadiantNuclear
    Aug 12, 2025
    We're honored to have been selected as a member of the Nuclear Reactor Pilot Program, and look forward to making history next year when we turn on our reactor!
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    U.S. Department of Energy
    @ENERGY
    Aug 12, 2025
    Article cover image
    Article
    Department of Energy Announces Initial Selections for New Reactor Pilot Program
    Selected reactor designs targeting criticality by July 4, 2026 WASHINGTON— The U.S. Department of Energy (DOE) today officially kicked off President Trump’s Nuclear Reactor Pilot Program, announcing...
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    Radiant
    @RadiantNuclear
    Mar 9, 2022
    Just raised a $10M series A round led by USV. Thanks to all our investors: Boost, Cantos, Trjbe Capital, Decisive Point, McKinley Alaska, JAM, Nucleation and Also Capital. Let's make nuclear portable! Read a blog by Fred Wilson of USV here: usv.com/writing/2022/0… #nuclear
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    Radiant | Union Square Ventures
    From usv.com

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