Radiant Nuclear secures $300M to develop a transportable 1 MW microreactor, led by Draper Associates and Boost VC, aiming to replace diesel generators.
Amount Raised
$300 Million
Round Type
Funding Round
El SegundoManufacturingEnergyRenewable EnergyInvestors
Description
Radiant Nuclear has raised over $300 million for a truck-transportable 1 MW microreactor designed to replace diesel generators. The funding round was led by Draper Associates and Boost VC, with participation from various investors, valuing the company at over $1.8 billion. The microreactor targets military and remote industrial sites, ensuring zero-carbon power supply. Each unit promises significant reliability while minimizing emissions and fuel dependency.
Quick answer
Radiant raised $300 Million in a Funding Round round, dated December 17, 2025. Investors: Founders Fund, Friends & Family Capital, Chevron Technology Ventures, ARK Venture Fund, Draper Associates and Boost VC. Radiant is based in El Segundo, California, United States.
- How much did Radiant raise?
- Radiant raised $300 Million in a Funding Round round on December 17, 2025.
- Who invested in Radiant?
- Founders Fund, Friends & Family Capital, Chevron Technology Ventures, ARK Venture Fund, Draper Associates and Boost VC are named as investors in this round.
- What does Radiant do?
- Radiant is building the world’s first mass-produced portable nuclear microreactors.
- Where is Radiant based and how big is it?
- Radiant is based in El Segundo, California, United States. Fundz records about 143 employees.
- Who are the decision-makers at Radiant?
- Fundz holds 2 contacts at Radiant, including the Vice President, Head of Talent. Names and contact details are shown to Fundz members.
Source: Fundz verified event record.
Who else raised in Energy and Renewable Energy around the same time
Companies in the same sectors as Radiant that raised within 45 days of this round, from Fundz verified event records.
- Visolis raised $2.9M (Grant) on January 29, 2026.
- LeydenJar raised $9.3M on January 29, 2026.
- XFuel raised $20M (Series A) on January 28, 2026.
- GlassPoint raised $20M on January 26, 2026.
- Ascent Solar Technologies raised $10M on January 23, 2026.
- CoolSem Technologies raised an undisclosed amount (Pre-Seed) on January 19, 2026.
Who to call at Radiant, and when
A new round usually means Radiant is about to hire and buy. The teams that reach out first get the meeting.
- An alert the day Radiant raises, hires an executive or expands, scored against what you sell
- The decision-makers there, with verified emails
- Who you already know at Radiant, from your own LinkedIn network
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Related People
Radiant raised. Fundz records a round at a median of 3.6 minutes from the SEC filing, with the decision-maker attached.
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