Radiant Adds Lockheed Martin as Strategic Investor in Oversubscribed Round ()

In an already oversubscribed Series D round, Radiant has added Lockheed Martin as a strategic investor, reinforcing defense-sector alignment ahead of first reactor startup and commercialization of its Kaleidos microreactor...

Published by Nucleation Capital in Advanced Nuclear, Advanced Nuclear Customers, Fission, National Defense, NEWS, Nuclear financing, Nuclear R&D, Portfolio Venture, Private companies, US competitiveness, US technological leadership

December 11, 2025

Energy Secretary Highlights Nuclear Revival as Radiant Prepares INL Microreactor Test ()

During a visit to Idaho National Lab, Energy Secretary Chris Wright underscored the administration’s push for a nuclear “renaissance,” with Radiant’s microreactor slated for testing in the INL DOME ahead of a July 2026 milestone.

Published by Nucleation Capital in Advanced Nuclear, Advanced Nuclear Customers, Artificial Intelligence, Data centers & Digital Infra, Department of Energy, Fission, National Defense, NEWS, Nuclear financing, Nuclear innovation, Nuclear R&D, Portfolio Venture, Private companies, Pronuclear States, Trump Administration, US competitiveness, US technological leadership

November 25, 2025

U.S. Army’s Janus Program Advances Military Microreactors ()

The U.S. Army is progressing with Project Janus to deploy a transportable microreactor by 2028, with Radiant already participating through the ANPI program; the effort supports defense energy needs while commercial use will still depend on NRC licensing...

Published by Nucleation Capital in Advanced Nuclear, Advanced Nuclear Customers, Department of Energy, Electrification, Energy transition, Fission, Future of Energy, Government, Grid Resiliency, National Defense, NEWS, Nuclear innovation, Nuclear R&D, Nuclear Regulatory Commission, Nuclear-inclusive energy policy, Portfolio Venture, Private companies, Trump Administration

November 20, 2025

Radiant Advances Toward First Reactor Startup with DOE Safety Submission ()

Radiant has submitted its safety analysis to the Department of Energy, triggering a 45-day review that keeps the company on track to start up its first Kaleidos reactor at INL’s DOME facility next year...

Published by Nucleation Capital in Advanced Nuclear, Future of Energy, Government support, National Defense, NEWS, Nuclear competitiveness, Nuclear financing, Nuclear innovation, Nuclear R&D, Nuclear-inclusive energy policy, Portfolio Venture, Private companies, US competitiveness, US technological leadership

October 28, 2025

U.S. Army Advances Janus Program to Deploy Nuclear Microreactors by 2028 ()

The U.S. Army’s Janus Program will deploy nuclear microreactors by 2028, with Radiant’s Kaleidos design featured among the advanced systems supporting base energy resilience.

Published by Nucleation Capital in Advanced Nuclear, Advanced Nuclear Customers, Department of Energy, Future of Energy, National Defense, NEWS, Nuclear R&D, Nuclear-inclusive energy policy, Portfolio Venture, Private companies, Trump Administration, US competitiveness, US technological leadership

October 24, 2025

Why the Next Space Race Needs Nuclear for Night-Time Operations ()

Zeno Power joined industry leaders in highlighting nuclear as vital to surviving the lunar night and maintaining U.S. leadership in the new space race.

Published by Nucleation Capital in Advanced Nuclear, Fission, LINKS, National Defense, Nuclear competitiveness, Nuclear innovation, Nuclear R&D, Nuclear waste, Portfolio Venture, Private companies, RTGs, US competitiveness, US technological leadership, Venture capital support for nuclear

August 11, 2025

Radiant to Deliver First Mass-Manufactured Nuclear Microreactor to U.S. Military Base ()

Radiant signed the first-ever agreement with the Defense Innovation Unit and U.S. Air Force to deliver a Kaleidos nuclear microreactor...

Published by Nucleation Capital in Advanced Nuclear, Future of Energy, Government, National Defense, NEWS, Nuclear competitiveness, Nuclear innovation, Portfolio Venture, Private companies, Solving climate, US competitiveness, US technological leadership, Venture capital support for nuclear

July 21, 2025

Radiant’s Microreactor Hits the Headlines ()

Radiant, a Nucleation portfolio company, was spotlighted in the LA Times for its progress in developing portable, helium-cooled nuclear...

Published by Nuclea_Admin in Advanced Nuclear, Carbon emissions, Climate Costs, Electrification, Energy transition, Fail-safe fuels, National Defense, NEWS, Nuclear innovation, Nuclear R&D, Nucleation communications, Portfolio Venture, Private companies, Solving climate, US competitiveness, Venture capital support for nuclear

July 7, 2025

Radiant Selected by U.S. Department of Energy to Lead First Microreactor Test at DOME ()

Radiant, a Nucleation portfolio company, has been selected by the US Department of Energy to lead the first microreactor test at INL’s new DOME facility — a key step toward U.S. microreactor deployment.

Published by Ian Brusewitz in Advanced Nuclear, Climate change, Fission, Government support, National Defense, NEWS, Nuclear innovation, Portfolio Venture, Private companies, US competitiveness, Venture capital support for nuclear

May 23, 2025

Nuclear Industry Overhauled by Executive Orders ()

The Trump administration issued four executive orders today aimed at boosting domestic nuclear deployment ahead of significant growth in projected energy demand in the coming decades. During a live signing in the Oval Office, President Donald Trump called nuclear “a hot industry,” and “a brilliant industry. . . . It’s become very safe and environmental.” These orders were designed to enhance America's energy security and support the growing demand for reliable power sources, particularly in AI and defense sectors.