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Radiant

Los Angeles, US · founded 2019
L0 · Energy & Power
nuclear/SMRstartupprivateseries C+

Radiant is a nuclear power technology startup developing portable, grid-independent microreactors designed to replace traditional diesel generators. The company focuses on manufacturing factory-based systems that can be rapidly shipped to remote locations, military bases, or industrial sites. Its technology uses advanced high-temperature fuel options to maximize efficiency and structural stability.

Ecosystem functionSpecializes in factory-fabricated portable microreactors, leveraging advanced regulatory and military testing programs to de-risk localized commercial off-grid deployment.

Business modelPortable nuclear microreactor manufacturing and sales

Revenue—
Valuation$645.2Mreported
Last round$165Mled by Align Ventures · 2025
Sources · 2 ↓
  1. https://www.ipo.club/blog/smr-report-june-2025
  2. https://enkiai.com/nuclear-power-top-10-projects-companies/
Suggest an editLast verified 2026-07-22
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